Flights from Ontario (ONT) to Colorado (Colorado)Edit search
Prices from $78 to $400
We'll show you the best deals by comparing tons of flights from Ontario to Colorado across a wide range of airlines and travel agents. Compare the cheap flights along this route.
$400RT including taxes
Feb 06 2018 Mar 08 2018
Ontario (ONT) to Cortez (CEZ)
Flying with: United Airlines
Price subject to availability. Last updated 19 hours ago.
$78RT including taxes
Jan 17 2018 Jan 24 2018
Ontario (ONT) to Denver International (DEN)
View more dates with CheapAir.com
Price subject to availability. Last updated a month ago.