Flights from Ontario to Seattle starting at $105

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 *

MonthOne-wayRound-trip
September 201701.09.2017check01.09 - 08.09.2017check
October 201707.10.2017$10513.10 - 15.10.2017$191
November 201701.11.2017check25.11 - 29.11.2017$275
December 201703.12.2017$13301.12 - 08.12.2017check
January 201801.01.2018check01.01 - 08.01.2018check
February 201801.02.2018check01.02 - 08.02.2018check
March 201801.03.2018check01.03 - 08.03.2018check
April 201813.04.2018$17713.04 - 15.04.2018$310
May 201801.05.2018check01.05 - 08.05.2018check
June 201801.06.2018check01.06 - 08.06.2018check
July 201801.07.2018check01.07 - 08.07.2018check
August 201801.08.2018check01.08 - 08.08.2018check

* 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 Alaska Airlines with a departure on 07.10.2017 and a cost of 105 US dollars . Find this ticket

Fastest flight from Ontario to Seattle: ticket with Southwest Airlines with a departure nearest to 30.09.2017 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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