Flights Seattle-Ontario

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

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

Lowest round trip fares found for Seattle to Ontario flights

Flight

Airline name

Price

Type

Trip dates

Search date

Seattle - Ontario Virgin America $183 Round-trip 08 December 15 December

Recent flight searches Seattle - Ontario

Flight

Airline name

Price

Type

Trip dates

Search date

Provider

Seattle - Ontario Spirit Airlines $123 One-way 17 December Yesterday
Seattle - Ontario Virgin America $183 Round-trip 08 to 15 December 5 days ago
Seattle - Ontario Alaska Airlines $139 Round-trip 11 to 11 December 43 days ago
Seattle - Ontario Spirit Airlines $201 Round-trip 22 to 29 December 100 days ago
Compare flights from Seattle to Ontario on regular or low cost flights and find the best BFI - ONT flight prices on Jetcost.
Top airlines flying to United States
Weather forecast for Ontario
  • Monday 5
    Min 41 °F
    Max 64 °F
  • Tuesday 6
    Min 44 °F
    Max 57 °F
  • Wednesday 7
    Min 42 °F
    Max 59 °F
  • Thursday 8
    Min 46 °F
    Max 64 °F
  • Friday 9
    Min 48 °F
    Max 64 °F
Climate in Ontario
  • Cold
     
     
     
     
    Hot
  •  
    Rain (mm)
    Days of rain
  • January
    53 °F
    39.00
    8
  • February
    55 °F
    65.00
    10
  • March
    57 °F
    29.00
    8
  • April
    60 °F
    17.00
    7
  • May
    68 °F
    4.00
    4
  • June
    73 °F
    0.00
    2
  • July
    78 °F
    1.00
    1
  • August
    78 °F
    0.00
    1
  • September
    75 °F
    1.00
    2
  • October
    66 °F
    20.00
    5
  • November
    59 °F
    13.00
    4
  • December
    51 °F
    33.00
    7