Flights Ontario-Seattle

Find cheap Ontario - Seattle flights with our free flight search engine. Compare all available fares for direct flights to Seattle. Search and find the best fares and deals for flights from Ontario to Seattle. Find cheap flights to Seattle (ONT - BFI) among many online travel agencies, traditional airlines as well as low cost carriers.

Jetcost is a price comparison service for flights to Seattle airport. You can also compare hotels in Seattle and Seattle car rentals.

Recent flight searches Ontario - Seattle

Flight

Airline name

Price

Type

Trip dates

Search date

Provider

Ontario - Seattle Spirit Airlines $183 One-way 26 December 9 days ago
Compare flights from Ontario to Seattle on regular or low cost flights and find the best ONT - BFI flight prices on Jetcost.
Top airlines flying to United States
Weather forecast for Seattle
  • Friday 9
    Min 29 °F
    Max 41 °F
  • Saturday 10
    Min 31 °F
    Max 44 °F
  • Sunday 11
    Min 27 °F
    Max 42 °F
  • Monday 12
    Min 29 °F
    Max 39 °F
  • Tuesday 13
    Min 29 °F
    Max 35 °F
Climate in Seattle
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    39 °F
    196.00
    25
  • February
    41 °F
    121.00
    19
  • March
    44 °F
    134.00
    24
  • April
    48 °F
    86.00
    21
  • May
    55 °F
    48.00
    16
  • June
    59 °F
    43.00
    13
  • July
    64 °F
    17.00
    8
  • August
    64 °F
    27.00
    9
  • September
    59 °F
    30.00
    11
  • October
    51 °F
    103.00
    21
  • November
    42 °F
    203.00
    24
  • December
    39 °F
    174.00
    24