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.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 ...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. …Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule.Top tips for finding cheap flights to California. Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Los Angeles $133 one-way - $261 round-trip; San Francisco $120 one-way - $246 round-trip. 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. 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.The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have …Renew your products online. Over 55 services are available online making it fast, easy, and convenient to renew now. Here are some of our top online services, renew: your licence plate. your driver’s licence. an accessible parking permit. an Ontario Photo Card. your health card.Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Seattle to Toronto flight today. Skip to content-Skip to footer United States-English keyboard_arrow_down. Travel with Air Canada from Seattle to Toronto (SEA - YYZ) from USD 278* Book with cash. arrow_drop_down. Round-trip. …SEA - ONT. Find cheap flights from Seattle to Ontario from C$ 67. Return. 1 adult. Economy. 0 bags. Nonstop flights only. Thu 9/5. Thu 16/5. Search hundreds of travel …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 ...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. 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. Find some of the cheapest Alaska Airlines flights travelling from Seattle to Toronto. Come back soon if you're not finding the exact deal you're looking for. Tue 28/5 6:50 a.m. SEA - YYZ. Nonstop 4h 40m Alaska Airlines. Wed 5/6 3:40 p.m. YYZ - SEA.Enter Your Trip Details. Enter a “ Starting Point” and “ Destination” in the trip planner. It will suggest options based on what you input. Select the option you want, as shown in the following screenshot. Now you have the option to choose how far away from your route you want the charging stations to be. Then click on "Find Routes".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 …Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines ®. It’s easy to find the Seattle-Tacoma International Airport to Ontario International Airport flight to make your booking and travel a breeze. Whether you’re traveling for business or pleasure, solo or with the whole family, you’ll enjoy flying Southwest ®.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.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.Fly to Ontario with United Airlines from over 200 airports within the United States and an additional 100 airports internationally. Ontario’s top attractions. Visit the Ontario Museum of History and Art for an overview of the region. Tour the grand Graber Olive House, home to the oldest operating olive packer in the U.S.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: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 ...Cheap Alaska Airlines flights from Seattle to California. Some of the best deals we've found on Alaska Airlines flights traveling from Seattle to California. Ensure the flight price, dates, time, and airline match your criteria before you book. Tue 6/11 9:35 pm SEA - SFO. Nonstop 2h 09m Alaska Airlines. Tue 7/2 7:05 am SFO - SEA. 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 Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Ontario? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ...Direct flights from Ontario to Seattle. All flights from ONT to SEA non-stop. There are direct flights from Ontario International Airport, California, USA to Seattle Tacoma International (SEA), Washington, USA every day of the week with Delta Air Lines, Alaska Airlines and Frontier Airlines.The flight distance is 962 miles and the trip usually takes … 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 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. 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. 3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. 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 ... 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. 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 … 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. How far is Seattle from Ontario? Here's the quick answer if you have a private jet and you can fly in the fastest possible straight line. Flight distance: 966 miles or 1554 km Flight time: 2 hours, 16 minutes Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 8 hours, 15 minutes. Seattle / Tacoma to Ontario Flights. Flights from SEA to ONT are operated 31 times a week, with an average of 4 flights per day. Departure times vary between 06:30 - 21:26. The earliest flight departs at 06:30, the last flight departs at 21:26. However, this depends on the date you are flying so please check with the full flight schedule above ... Fly to Ontario with United Airlines from over 200 airports within the United States and an additional 100 airports internationally. Ontario’s top attractions. Visit the Ontario Museum of History and Art for an overview of the region. Tour the grand Graber Olive House, home to the oldest operating olive packer in the U.S.1 stop 9h 43m Frontier. Deal found 2/22 $115. Pick Dates. One of the most popular airlines traveling from Ontario to Seattle is Frontier. Flights on this route from Frontier typically cost $218.89 RT, a price that is 45% more expensive than the average Ontario to Seattle flight. The cheapest flight found was $93 RT.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 ...Cheap flights from Seattle to Ontario (SEA - ONT) from $34. Round-trip One-way Multi-city. From? To? Thu 3/28. Thu 4/4. 1 adult. Economy. Find Your Flight. The best prices from …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 ... 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. 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. … All flight schedules from Seattle Tacoma International , Washington , USA to Ontario International Airport , California , USA . This route is operated by 3 airline (s), and the flight time is 2 hours and 48 minutes. The distance is 962 miles. 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. 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 …The cheapest plane ticket found by our users is $68. This airfare is for economy class on one-way AA1224 flight by American Airlines for August 27, 2020 which leaves Ontario Int. in Ontario at 08:30 am and arrives at Seattle Seattle … 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. A full moon looks best when it appears on the eastern horizon just after the sun has set in the west. It will look more prominent than usual and be a beautiful, muted …Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to anywhere in the world.Renew your products online. Over 55 services are available online making it fast, easy, and convenient to renew now. Here are some of our top online services, renew: your licence plate. your driver’s licence. an accessible parking permit. an Ontario Photo Card. your health card.ASA1118. B739. Arrived / Gate Arrival. Mon 02:17PM PDT. 04:49PM PDT Mon. Seattle-Tacoma Intl (KSEA) - Ontario Intl (KONT) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.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. 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 …Halfway Point Between Ontario, CA and Seattle, WA. If you want to meet halfway between Ontario, CA and Seattle, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.470268 and -122.367645, or 40º 28' 12.9648" N, 122º 22' 3.522" W. This location is 585.21 miles away from Ontario, CA and …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.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 ...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 ... 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). Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size. 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 ... Flights Deals from Seattle, WA to Ontario/LA, CA on Frontier. From. flight_takeoff. To. flight_land. Budget $ From. To. From Seattle, WA (SEA) To Ontario/LA, CA (ONT) One-way / Economy: Departing Sep 3, 2024: From. $39* Last seen: 6 hours ago *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require …Mar 12, 2024 · 1 airport. The best one-way flight to Ontario from Seattle in the past 72 hours is $40. The best round-trip flight deal from Seattle to Ontario found on momondo in the last 72 hours is $100. The fastest flight from Seattle to Ontario takes 2h 27m. Direct flights go from Seattle to Ontario every day. 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 …Best Flights from Seattle to Ontario Today. Take a look at the list of non stop flights and flights with layovers from Seattle to Ontario with the lowest price of $79. The fastest direct flight takes 2h 38m and the fastest connecting – 3h 54m. Price. Departure.Best Flights from Seattle to Ontario Today. Take a look at the list of non stop flights and flights with layovers from Seattle to Ontario with the lowest price of $79. The fastest direct flight takes 2h 38m and the fastest connecting – 3h 54m. Price. Departure.Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu.The flight time from Seattle, Washington to Ontario, California is: 2 hours, 10 minutes. In-air flight time: 2 hours, 10 minutes. From gate to gate: 2 hours, 29 minutes. Constant 500 … Flights between Seattle, WA and Ontario, CA starting at $55. Choose between Alaska Airlines, Frontier Airlines, or Spirit Airlines to find the best price. Search, compare, and book flights, trains, and buses. The cheapest way to get from Ontario to Seattle costs only $267, and the quickest way takes just 8½ hours. Find the travel option that best suits you. Find the travel option that best suits you. Rome2Rio uses cookies to help personalize …Cheap Flights from Seattle Paine Field Intl. Airport to Ontario (PAE-ONT) Prices were available within the past 7 days and start at $304 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way . Roundtrip. Wed, May 8 - Tue, May 14. PAE. Seattle Paine Field Intl. … Connecting flights between Ontario, CA and Seattle, WA. Here is a list of connecting flights from Ontario, California to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 16 flights to Seattle, WA with one connection: Airline routes; Alaska Airlines LAX to PDX to SEA The total flight duration from Ontario, CA to Seattle, WA is 2 hours, 16 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like ONT to SEA . It covers the entire time on a typical commercial flight including take-off and landing.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. drive for about 2.5 hours. 5:01 pm Santa Barbara. stay for about 4 hours. and leave at 9:01 pm. drive for about 2.5 hours. 11:31 pm arrive in Ontario. day 3 driving ≈ 9 hours. find more stops. Recommended videos. 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 ... Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Best Flights from Seattle to Ontario Today. Take a look at the list of non stop flights and flights with layovers from Seattle to Ontario with the lowest price of $79. The fastest direct flight takes 2h 38m and the fastest connecting – 3h 54m. Price. Departure.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 ...Cheap Flights from Seattle to San Diego (SEA-SAN) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Mon, May 13 - Tue, May 14. SEA. Seattle . SAN. San Diego. $100 Roundtrip, …
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:. Google sge
Select Frontier Airlines flight, departing Mon., May 20 from Seattle to Ontario, returning Wed., May 22, priced at CA $106 found 5 days ago Sat., May 18 - Tue., May 21 SEAThe 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.ONT. Ontario , CA. Distance. 962 miles · (1548 km) CHANGE DIRECTION. Flight time. 2 hours and 48 minutes. Airlines with direct flights from Seattle (SEA) to Ontario (ONT) …Washington. United States of America. Flights. Expedia.com. $39 Cheap Flights from Ontario (ONT) to Seattle (SEA) Bundle Your Flight + Hotel & Save! Roundtrip. One …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 …Select Frontier Airlines flight, departing Tue, Oct 15 from Seattle to Ontario, returning Tue, Oct 22, priced at $88 found 8 hours ago. Sat, May 18 - Mon, May 20. SEA. Seattle. ONT. Ontario. $89 Roundtrip, just found. $89. Roundtrip. just found . Select Frontier Airlines flight, departing Sat, May 18 from Seattle to Ontario, returning Mon, May 20, priced at $89 just … Drive • 19h 31m. Drive from Seattle Airport (SEA) to Ontario 1164.4 miles. $210 - $310. Quickest way to get there Cheapest option Distance between. Top tips for finding cheap flights to California. Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Los Angeles $133 one-way - $261 round-trip; San Francisco $120 one-way - $246 round-trip.Reviews for Seattle 321 Reviews. I have lived here since 1975, I moved here from California but was born and raised in Michigan. I would have to say that I never regretted leaving Michigan and their More. I’ve lived in Seattle for just under 7 years and while it can be a stunningly beautiful place, I am very excited to leave.Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.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.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 - $440Take a look at some of the best available options we've come across on one-way flights from Seattle to Ontario. Users needing a return flight from Seattle to Ontario should utilize the search form above. Wed 8/5 3:23 p.m. SEA - ONT. Nonstop 2h 39m Delta. Deal found 18/4 C$ 123.Jan 28, 2024 · 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. Cheap Flights from Ontario to Seattle (ONT-SEA) Prices were available within the past 7 days and start at $39 for one-way flights and $78 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Ontario to Seattle with no change fee on selected flights. The trip from Seattle to Ontario / Montclair / Claremont can be as quick as 27 hours 25 minutes and as cost-effective as $177.99. The first bus of the day departs at 6:00 am and the last bus departs at 3:10 pm . Greyhound offers 3 buses daily between Seattle and Ontario / Montclair / Claremont. 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. The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have also been found from as low as $54 on Frontier and from $89 on Alaska Airlines. .