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Amazing ONT to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $128. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for ONT to SEA

Carrier Flight Depart ONT Arrive SEA Mon
12/9
Tue
12/10
Wed
12/11
Thu
12/12
Fri
12/13
Sat
12/14
Sun
12/15
Stops
AS 615 06:00 am 08:46 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 617 09:40 am 12:25 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 462 05:30 pm 08:19 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

FAQs about flights from Los Angeles - Ontario Intl. Airport (ONT) to Seattle - Tacoma Intl. Airport (SEA)

Are there direct flights from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

The only thing separating you and your next amazing adventure is a single flight. Alaska Airlines is the only air carrier that offers direct services from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), so it's a good idea to book ahead.

How long is the flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

It takes approximately 3 hours and 5 minutes to travel from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). You'll be in the air for a while, so amuse yourself with a film or read your favorite novel.

What is the flight distance from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

Traveling 994 miles (1,600 kilometers) between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) calls for a glass of vino and a few good movies. Put your seat back, get comfortable and simply enjoy the flight.

What airlines fly direct from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Sea-Tac Airport?

Locked in the dates for your big adventure? Prefer to fly nonstop from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.)? With Alaska Airlines offering as many as 64 flights each month, you'll be cruising above the clouds before you know it.

Flying Tips & TricksHow do I find my flight number?
  • Your flight code will be within your itinerary, which will be emailed to you once your booking has been completed. It's wise to keep this at hand in case you have to make any changes to your ticket.
How early can you check bags for a flight?
  • There's no need to kill time at home if you're packed and ready to jet off on your exciting adventure. International flights start their check-in process three hours before departure. Meeting some friends at the airport? Be sure to advise them that luggage drop closes an hour before takeoff. If you're taking a domestic flight, you should get to the terminal a couple of hours prior to departure. Check-in closes 45 minutes before the plane leaves.

Los Angeles - Ontario Intl. to Seattle - Tacoma Intl. Flight FAQ

Travel FromLos Angeles - Ontario Intl.
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time2 hours 45 mins
Earliest Departure Time6:00AM PST
Latest Departure Time5:30PM PST
Lowest Flight Price$128

Save on your next flight from ONT to SEA when you book through Travelocity. Need a last-minute flight to Seattle? Travelocity offers discount airfare no matter when you book, even on popular routes such as Los Angeles - Ontario Intl. Airport to Seattle - Tacoma Intl. Airport. Whether you need a direct or indirect flight, you can trust Travelocity to provide you with the best prices for ONT to SEA flights.





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Ontario to Seattle Carriers and Route Information

Flight path for flights from LA/Ontario International Airport to Seattle-Tacoma International Airport.


Distance:
1,047.00 miles




Hotels near Seattle - Tacoma Intl. Airport (SEA)

Coast Gateway Hotel $89
Reviewed on Nov 28, 2019
See details
 
Coast Gateway Hotel

Coast Gateway Hotel

18415 International Blvd, SeaTac, WA
     
    4.4 of 5
    3.5 out of 5.0 Stars

    Beautiful! Quiet, clean and central location good!

    Red Roof Inn Seattle Airport - SEATAC $64
    Reviewed on Nov 22, 2019
    See details
     
    Red Roof Inn Seattle Airport - SEATAC

    Red Roof Inn Seattle Airport - SEATAC

    16838 International Boulevard, SeaTac, WA
       
      3.4 of 5
      2.0 out of 5.0 Stars

      Front desk greeting is excellent they are willing to help with smile

      Ramada by Wyndham SeaTac Airport $72
      Reviewed on Nov 13, 2019
      See details
       
      Ramada by Wyndham SeaTac Airport

      Ramada by Wyndham SeaTac Airport

      16720 International Blvd, SeaTac, WA
         
        3.3 of 5
        2.5 out of 5.0 Stars

        Staff friendliness. & I like how close we were to the airport. Hotel was clean also. The only small dislike was the slow elevators on a scale from 1-10 I’d give it an 8.

        Radisson Hotel Seattle Airport $89
        Reviewed on Jul 21, 2019
        See details
         
        Radisson Hotel Seattle Airport

        Radisson Hotel Seattle Airport

        18118 International Blvd, SeaTac, WA
           
          4.0 of 5
          3.5 out of 5.0 Stars

          Staff is very friendly. The location is very close to the airport within walking distance.

          *Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.