The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $164 round trip and one way. Prices and availability subject to change. Additional terms may apply. Wed, Feb 14 - Sat, Feb 17. SEA. Seattle. ONT. Ontario. $164.Ontario Intl (ONT) - Ontario, CA Arrivals Departures Airport Delay Weather Parking Limos. ONT Arrivals This website stores cookies on your computer. These cookies are used to improve your website and provide more personalised services to you, both on this website and through other media. To find out more about the cookies we use, see our ... The Gateway to Southern California. Just east of Los Angeles, head to Ontario to experience a little bit of that hustle and bustle of LA with a laid-back vibe. With a vibrant music scene, a huge art scene and a wide variety of foreign restaurants, Ontario is a great place to visit. Where Locals Go. Cucamonga-Guasti Regional Park. One Way Flights vs Round Trip Flights from Seattle to Ontario, California . We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Ontario, California. However, booking a round trip flight ...The CCAA Museum of Art (which stands for Chaffey Community Museum of Art) is one of the oldest organizations in the area to support the local art scene. You’ll see exhibits from nationally-recognized individuals, but also new offerings from those you aren’t familiar with. 2. Go Museum Hopping. Source: ontarioarts.org.There are 5 non-stop flights from Ontario, California to Seattle, Washington. Alaska Airlines. American Airlines. Delta Air Lines. United Airlines. See the full list of airline routes and airports to book your trip. You may need to drive to a nearby airport to get a direct flight. Use the form below to search for cheap airline tickets.Deal found 4/17 $387. Pick Dates. Alaska Airlines is one of the most popular airlines used for those traveling from Ontario to Seattle. Flights on this route from Alaska Airlines typically cost $218.72 RT, a price that is 97% cheaper than the average Ontario to Seattle flight. The cheapest flight found was $90 RT.Deal found 4/17 $387. Pick Dates. Alaska Airlines is one of the most popular airlines used for those traveling from Ontario to Seattle. Flights on this route from Alaska Airlines typically cost $218.72 RT, a price that is 97% cheaper than the average Ontario to Seattle flight. The cheapest flight found was $90 RT. Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $656. Flights from London, Ontario to Seattle. $505. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $311. Find the best deals for flights from Seattle to Ontario, CA starting at $68. Compare airlines, dates, prices, and weather for your travel plans.The cheapest Alaska Airlines deal from Seattle to Ontario in the last 72 hours was $84 (round-trip), much lower than the average airfare cost of $219 for Alaska Airlines flights on this route. Delta Flights From Seattle to Ontario. Delta (8.0/10 from 11,818 reviews) operates around 21 flights from Seattle to Ontario in any given week. The …Vehicles under 20 feet cost 67.40 Canadian dollars, or about $49, each way. But that cost doesn't include the driver or any other passengers. Adult fares are 19.10 … Flights between Seattle, WA and Ontario, CA starting at £43. Choose between Alaska Airlines, Frontier Airlines, or Spirit Airlines to find the best price. Search, compare, and book flights, trains, and buses. Flights from Seattle to Ontario. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Ontario.14:19. Virgin Atlantic / Operated by SkyWest Airlines on behalf of Delta Air Lines 3995. (ONT to SEA) Track the current status of flights departing from (ONT) Ontario International Airport and arriving in (SEA) Seattle-Tacoma International Airport.The cheapest month for flights from Seattle to Toronto Pearson Intl Airport is January, where tickets cost C$ 338 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is C$ 994 and C$ 905 respectively. Cheap Flights from Seattle to Toronto (SEA-YYZ) Prices were available within the past 7 days and start at $194 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Toronto with no change fee on selected flights. Flights from Seattle, WA to Ontario, CA cover the 964 miles (1555 km) long route taking on average 2 h 42 min with our travel partners like Alaska Airlines or United. …Find United Airlines cheap flights from Medford to Ontario. Enjoy a Medford to Ontario modern flight experience in premium cabins with Wi-Fi. Skip to content-Skip to footer. HELP SEARCH United States-English keyboard_arrow_down. Book My Trip Travel info MileagePlus® Program Deals Help. United flights from Medford to Ontario from $ 258 * …The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $164 round trip and one way. Prices and availability subject to change. Additional terms may apply. Wed, Feb 14 - Sat, Feb 17. SEA. Seattle. ONT. Ontario. $164.One Way Flights vs Round Trip Flights from Seattle to Ontario, California . We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Ontario, California. However, booking a round trip flight ...The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ...There are 3 non-stop flights from Seattle, Washington to Ontario, California. Alaska Airlines. Delta Air Lines. See the full list of airline routes and airports to book your trip. …Track Alaska Airlines (AS) #1118 flight from Seattle-Tacoma Intl to Ontario Intl Flight status, tracking, and historical data for Alaska Airlines 1118 (AS1118/ASA1118) including scheduled, estimated, and actual departure and arrival times.The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ...Halfway Point Between Seattle, WA and Ontario, CA. If you want to meet halfway between Seattle, WA and Ontario, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.435848 and -122.362793, or 40º 26' 9.0528" N, 122º 21' 46.0548" W. This location is 585.46 miles away from Seattle, WA …If you happen to know Seattle, don't forget to help other travelers and answer some questions about Seattle! View questions about Seattle. Get a quick answer: It's 1,170 miles or 1883 km from Seattle to Ontario, which takes about 17 hours, 51 minutes to drive.Find the best deals for Delta flights from Seattle to Ontario (SEA to ONT) with Travelocity.com. Compare prices, dates, and routes for round trip or one-way tickets. …AS 1157 Seattle to Ontario Flight Status Alaska Airlines Flight AS1157 from Seattle Tacoma International Airport SEA to Ontario International Airport ONT is not scheduled for today December 18th, 2023. The last time the flight was scheduled was on September 5th, 2023. Check the table below for AS1157's most recent flight history: AS …Direct (non-stop) flights from Ontario to Seattle All flight schedules from Ontario International Airport , California , USA to Seattle Tacoma International , Washington , USA. This route is operated by 3 airline(s), and the flight time is 3 hours and 01 minute. The distance is 962 miles. ONT Ontario International Airport. Ontario , CA , USA SEA …There are 5 non-stop flights from Ontario, California to Seattle, Washington. Alaska Airlines. American Airlines. Delta Air Lines. United Airlines. See the full list of airline routes and airports to book your trip. You may need to drive to a nearby airport to get a direct flight. Use the form below to search for cheap airline tickets.Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.What companies run services between Anaheim, CA, USA and Ontario, CA, USA? You can take a train from Anaheim to Ontario via Los Angeles in around 2h 33m. Alternatively, you can take a bus from Anaheim to Ontario via State College-Brea Mall, Brea Mall, and Pomona Trans Center Eb Fs in around 2h 35m. Train operators. Amtrak Amtrak is a rail …Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323.The average price for a train ticket from Seattle to Ontario is $128.00, Tickets are generally pricier for this train route, which is to be expected given the long distance. By booking your trip at least 25 days in advance, you increase your chances of scoring even cheaper tickets. But if you wait until the day of your trip to book tickets ...3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. The CCAA Museum of Art (which stands for Chaffey Community Museum of Art) is one of the oldest organizations in the area to support the local art scene. You’ll see exhibits from nationally-recognized individuals, but also new offerings from those you aren’t familiar with. 2. Go Museum Hopping. Source: ontarioarts.org.Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 337 and was between Seattle and Toronto Pearson Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is C$ 352.SEA - ONT. Find cheap flights from Seattle to Ontario from C$ 67. Return. 1 adult. Economy. 0 bags. Nonstop flights only. Thu 9/5. Thu 16/5. Search hundreds of travel …383 Reviews. Rancho Cucamonga, CA. Book Cheap Flights to Ontario: Search and compare airfares on Tripadvisor to find the best flights for your trip to Ontario. Choose the best airline for you by reading reviews and viewing hundreds of ticket rates for flights going to and from your destination.The total driving time is 6 hours, 50 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Oregon. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario, OR. You can also calculate the cost to drive from Seattle, WA to Ontario, OR based on current local gas ...What is the cheapest flight from Ontario to Seattle? In the last 3 days, the lowest price for a flight from Ontario to Seattle was $44 for a one-way ticket and $61 for a round-trip. Do I …There are many international destinations you can fly to non-stop from Ontario. The most popular international destinations from KAYAK users are Guadalajara and San Salvador. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Guadalajara at $202, while the most expensive was San Salvador, at $242.Your trip begins in Ontario, California. It ends in Seattle, Washington. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Seattle, WA. You can also calculate the cost to drive from Ontario, CA to Seattle, WA based on current local gas prices and an estimate of your car's best gas ...Tue, Jun 4 YYZ – SEA with Flair Airlines. 1 stop. from C$478. Toronto.C$497 per passenger.Departing Wed, Jun 12, returning Sat, Jun 15.Round-trip flight with Spirit Airlines and Flair Airlines.Outbound indirect flight with Spirit Airlines, departing from Seattle / Tacoma International on Wed, Jun 12, arriving in Toronto Pearson International ...Apr 28, 2024 · Searching for cheap flights from Ontario to Seattle? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. These results are based on the actual driving distance from Ontario, CA to Seattle, WA, which is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. The price of regular gas is currently averaging $5.30 in California. Your trip ends in Seattle, Washington. The price of regular gas is around $5.07 in Washington. Amazing ONT to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $68 round trip and $34 one way. Prices and availability subject to change. Additional terms may apply. Sat, May 18 - Wed, May 22. ONT.Users in need of a round-trip flight from Seattle to Ontario instead should update the search form at the top of page. mié. 5/29 9:35 am SEA - YYZ. 2 stops 17h 37m Multiple Airlines. Deal found 4/17 $194. Pick Dates.Find cheap flights from Seattle (SEA) to Ontario (ONT) with United Airlines. Compare fares, dates, and cabin classes for round trips or one-way flights.Book your air tickets with us and, at CheapOair you can also choose from an extensive list of airlines flying on the route. Also, if you have to take flight immediately due to any emergency, you should explore last minute flight deals from Seattle to Redding. Book your plane tickets now! Try to book your flight at least 21 days in advance in ... The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. The total straight line flight distance from Seattle, WA to Ontario, CA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Seattle, Washington. It ends in Ontario, California. Users in need of a round-trip flight from Seattle to Ontario instead should update the search form at the top of page. mié. 5/29 9:35 am SEA - YYZ. 2 stops 17h 37m Multiple Airlines. Deal found 4/17 $194. Pick Dates.Flights from Seattle, WA to Ontario, CA cover the 964 miles (1555 km) long route taking on average 2 h 42 min with our travel partners like Alaska Airlines or United. …SEA - ONT. Find cheap flights from Seattle to Ontario from C$ 67. Return. 1 adult. Economy. 0 bags. Nonstop flights only. Thu 9/5. Thu 16/5. Search hundreds of travel …This data is provided only for informative purposes. www.ontario-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status. Origin Arrival Flight Airline Terminal. Status. Seattle (SEA) 09:33 am AS3452. Alaska Airlines. 2. Terminal 2. Scheduled - On-time [+] …On average, a flight to Ontario costs $139. The cheapest price found on KAYAK in the last 2 weeks cost $19 and departed from Phoenix Sky Harbor Intl Airport. The most popular routes on KAYAK are San Francisco to Ontario which costs $115 on average, and Seattle to Ontario, which costs $221 on average. See prices from:How far is it between Seattle and Ontario. Seattle is located in United States with (47.6062,-122.3321) coordinates and Ontario is located in Canada with (34.0633,-117.6509) coordinates. The calculated flying distance from Seattle to Ontario is equal to 967 miles which is equal to 1556 km.. If you want to go by car, the driving distance between Seattle …1 day ago · Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. The calculation of flight time is based on the straight line distance from Seattle, WA to Ontario, CA ("as the crow flies"), which is about 966 miles or 1 554 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. Your flight direction from Seattle, WA to Ontario, CA is South (164 degrees from North). Direct. Mon, May 20 SEA – ONT with Frontier Airlines. Direct. from $68. Seattle.$84 per passenger.Departing Sat, May 18, returning Sun, Jun 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Ontario International on Sat, May 18, arriving in Seattle / Tacoma International.Inbound direct ...Book your air tickets with us and, at CheapOair you can also choose from an extensive list of airlines flying on the route. Also, if you have to take flight immediately due to any emergency, you should explore last minute flight deals from Seattle to Redding. Book your plane tickets now! Try to book your flight at least 21 days in advance in ... Find and book flights from Seattle (SEA) to Ontario (ONT) starting at CA $93 for one-way and CA $106 for round trip. Compare prices, dates, airlines and earn rewards with Expedia.ca. The Gateway to Southern California. Just east of Los Angeles, head to Ontario to experience a little bit of that hustle and bustle of LA with a laid-back vibe. With a vibrant music scene, a huge art scene and a wide variety of foreign restaurants, Ontario is a great place to visit. Fly more and save even more when you travel to Ontario/LA, CA ... Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. Airfare From Seattle To Ontario Ca. Pros: "Delayed for one day 3 hours waiting time on the phone to reschedule the ticket". Cons: "One crew member is not particularly helpful when passengers needed assistance. Were quoted 30 for the price of the bag--charged 45. So I sat with the "others" waiting at the gate. Scan through all non-stop flights from Ontario …Fly from Seattle to Ontario on Sun Country Air from $125... Search for Ontario flights on KAYAK now to find the best deal.There are many international destinations you can fly to non-stop from Ontario. The most popular international destinations from KAYAK users are Guadalajara and San Salvador. On average, the cheapest of these destinations on KAYAK over the last 2 weeks for a return flight was Guadalajara at $202, while the most expensive was San Salvador, at $242.The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ... Prices starting at $78 for return flights and $39 for one-way flights to Los Angeles - Ontario Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 18 - Tue, May 21. SEA. Compare and book flights from Seattle to Ontario, CA with American Airlines. Find the best fares, dates, and travel classes for your trip. Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another and provides a map, estimated flight time, time difference between cities, and estimated CO2 emissions.Toll-free: 1-800-361-3223. TTY: 416-325-3408. Toll-free TTY: 1-800-268-7095. Updated: April 22, 2024. Published: July 13, 2020. The Ontario Business Registry allows businesses and not-for-profit corporations to complete over 90 transactions online, including registering, incorporating, and updating their information.Cheap Flights from Seattle to Toronto (SEA-YYZ) Prices were available within the past 7 days and start at $194 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Toronto with no change fee on selected flights.Driving distance from Seattle, WA to Ontario, CA is 1173 miles (1887 km). How far is it from Seattle, WA to Ontario, CA? It's a 19 hours 19 minutes drive by car. Flight distance is approximately 967 miles (1556 km) and flight time from Seattle, WA to Ontario, CA is 01 hours 56 minutes.Don't forget to check out our "Gas cost calculator" option. The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you are planning a road trip, you might also want to calculate the total driving time from Seattle, WA to Ontario, CA so you can see when you'll arrive at your destination. 1 day ago · Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $656. Flights from London, Ontario to Seattle. $505. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $311.️ Use the interactive calendar available on Expedia to see the cheapest Alaska Airlines (Seattle SEA - Los Angeles ONT) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green.On average, a flight to Ontario costs $139. The cheapest price found on KAYAK in the last 2 weeks cost $19 and departed from Phoenix Sky Harbor Intl Airport. The most popular routes on KAYAK are San Francisco to Ontario which costs $115 on average, and Seattle to Ontario, which costs $221 on average. See prices from:
Book your air tickets with us and, at CheapOair you can also choose from an extensive list of airlines flying on the route. Also, if you have to take flight immediately due to any emergency, you should explore last minute flight deals from Seattle to Redding. Book your plane tickets now! Try to book your flight at least 21 days in advance in .... Fan based
The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ...Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to anywhere in the world.Cheap flights from Seattle (SEA) to Toronto (YYZ) Prices were available within the past 7 days and start at CA $300 for one-way flights and CA $623 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Toronto with no change fee on selected ...How far is Ontario, CA, from Seattle, WA? The distance between Seattle (Seattle–Tacoma International Airport) and Ontario (Ontario International Airport) is 956 miles / 1539 kilometers / 831 nautical miles. The driving distance from Seattle (SEA) to Ontario (ONT) is 1160 miles / 1867 kilometers, and travel time by car is about 21 hours 56 ... The two airlines most popular with KAYAK users for flights from Seattle to Toronto are Alaska Airlines and Delta. With an average price for the route of $346 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $591 and an overall rating of 8.0. The trip from Seattle to Ontario can be as quick as 11 hours 5 minutes and as cost-effective as $95.99. The first bus of the day departs at 8:45 am and the last bus departs at 9:15 am . Greyhound runs daily buses Seattle to Ontario between Seattle and Ontario. Traveling with Greyhound guarantees free Wifi, access to power sockets, and a ...The total driving distance from Ontario, CA to Seattle, WA is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you are planning a road trip, you might also want to calculate the total driving time from Ontario, CA to Seattle, WA so you can see when you'll arrive at your destination.If you want to explore small towns along the way, get a list of cities between Ontario, CA and Seattle, WA. Looking for alternate routes? Explore all of the routes from Ontario, CA to Seattle, WA. Compare the flight distance to driving distance from Ontario, CA to Seattle, WA, or check for a bus or train from Ontario, CA to Seattle, WA.This data is provided only for informative purposes. www.ontario-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status. Origin Arrival Flight Airline Terminal. Status. Seattle (SEA) 09:33 am AS3452. Alaska Airlines. 2. Terminal 2. Scheduled - On-time [+] …In-Flight information. The average flying time for a direct flight from Seattle, WA to Ontario is 2 hours 30 minutes. Most direct flights leave around 8:45 PDT. Alaska Airlines flight #537 is today's earliest flight from Seattle, WA to Ontario (8:45 PDT, Boeing 737-900) Alaska Airlines flight #924 is today's latest flight from Seattle, WA to ...These offerings and more make Seattle one of the best vacation destination in Washington. Known for its coffee culture and as the birthplace of Starbucks, Seattle is also one of the top 5 craft beer cities in the U.S., which is ideal for those who prefer to experience the taste of a city served up in a latte mug or a pint glass.Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323.Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Seattle to Toronto flight today. Skip to content-Skip to footer United States-English keyboard_arrow_down. Travel with Air Canada from Seattle to Toronto (SEA - YYZ) from USD 278* Book with cash. arrow_drop_down. Round-trip. …For a quicker trip, book one of these direct flights from California to Seattle. Users seeking other options on flights from California to Seattle should update the search form at the top of the page. Thu 5/16 10:39 am ONT - SEA. Nonstop 2h 53m Frontier. Sun 5/19 2:25 pm SEA - ONT. Nonstop 2h 44m Frontier.3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. Flights from Seattle to Ontario/San Bernardino via Las Vegas Ave. Duration 5h 11m When Monday to Saturday Estimated price $190 - $460 Flights from Seattle to Ontario/San Bernardino via Sacramento Ave. Duration 5h 15m When Monday, Thursday, Friday and Saturday Estimated price $180 - $440 Connecting flights between Seattle, WA and Ontario, CA. Here is a list of connecting flights from Seattle, Washington to Ontario, California. This can help you find a one-stop flight with the shortest layover time. We found a total of 12 flights to Ontario, CA with one connection: Airline routes; Delta Air Lines SEA to SLC to LGB .