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Tips and tricks to help you find cheap flights from Chicago to Ontario

Favorite airline: Alaska Airlines
The most popular airline for flights from Chicago to Ontario is Alaska Airlines.
Alaska Airlines
59 %
American Airlines
31 %
Delta
6 %
Favourite connection: via Seattle-Tacoma
59 % of booked tickets on this route are for flights with a transfer in Seattle-Tacoma.
Route
bookings
1 stopover Seattle-Tacoma International Airport, WA
09h 30min, from $457
59 %
1 stopover Phoenix - Sky Harbor International Airport
06h 00min, from $432
31 %
1 stopover Salt Lake City International Airport, UT
08h 01min, from $489
6 %
Flight details Chicago - Ontario
  • Flight duration: min. 04:30 / max. 05:45
  • Distance: 2754 km
  • Flights per week: 9
  • Return flight duration: min. 03:45 / max. 05:15