Flights from Ontario to Seattle starting at $120

Cheap flights for the route Ontario – Seattle (ONT – SEA)

Jetradar will find you the cheapest airfare for Ontario – Seattle by comparing the costs of flights to Seattle using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy tickets for Ontario – Seattle is up to you.

Please keep in mind that, depending on the number of days remaining until your departure, the price of a ticket for Ontario – Seattle could change by more than 39%.

Jetradar suggests purchasing tickets for Ontario – Seattle in advance so you can choose your flight conditions and focus on your preferences and financial capabilities.

General flight information for the route Ontario – Seattle
  • The distance between Ontario and Seattle is: 968 miles (1559 kilometers)
  • Average flight time from Ontario to Seattle: 3hrs. 22min.
  • Frequency of flights from Ontario to Seattle:6 times a week

Airfare for Ontario – Seattle by month *

March 201829.03.2018$19429.03 - 01.04.2018$395
April 201805.04.2018$12001.04 - 08.04.2018check
May 201801.05.2018check01.05 - 08.05.2018check
June 201801.06.2018check17.06 - 20.06.2018$188
July 201801.07.2018check01.07 - 08.07.2018check
August 201801.08.2018check01.08 - 08.08.2018check
September 201801.09.2018check01.09 - 08.09.2018check
October 201801.10.2018check01.10 - 08.10.2018check
November 201801.11.2018check01.11 - 08.11.2018check
December 201801.12.2018check01.12 - 08.12.2018check
January 201901.01.2019check01.01 - 08.01.2019check
February 201901.02.2019check01.02 - 08.02.2019check

* Prices found by users over the last 48 hours that do not represent an offer.

Least expensive flight from Ontario to Seattle found by our users over the last 48 hours: ticket with Southwest Airlines with a departure on 05.04.2018 and a cost of 120 US dollars . Find this ticket

Fastest flight from Ontario to Seattle: ticket with Southwest Airlines with a departure nearest to 24.03.2018 and a duration of 3hrs. 45min.. Find this ticket

Direct flights for the route Ontario – Seattle
FlightDepartureDurationArrivalDeparture days
Airports that offer Ontario – Seattle flights

Ontario airports from which there are flights to Seattle:

  • Ontario International Airport (ONT)

Seattle airports accepting flights from Ontario:

  • Seattle-Tacoma International Airport (SEA)
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