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

Favorite airline: United Airlines
Most travelers looking for flights on the route from Denver to Ontario decide to book flights with United Airlines.
United Airlines
60 %
Alaska Airlines
40 %
Direct flights are cheaper
On this route, direct flights are $28.00 cheaper than flights with a stopover.
non stop flight
1 stop
02h 21min
08h 25min
The favorite connection is non-stop
60 % of all bookings on the route Denver to Ontario are for non-stop flights.
Direct flights
02h 21min, from $351
60 %
1 stopover Seattle-Tacoma International Airport, WA
08h 25min, from $379
40 %
Flight information Denver - Ontario
Cheap direct flights
Flight details Denver - Ontario
  • Flight duration: min. 02:19 / max. 05:20
  • Distance: 1317 km
  • Flights per week: 28
  • Return flight duration: min. 02:09 / max. 06:20