Route Price Intelligence
Cheap Flights From Denver to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$335
Great Deal
Under $252
Typical Range
$252 – $403
Lowest We've Seen
$56
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$356
Feb
$393
Mar
$459
Apr
$452
May
—
Jun
—
Jul
$314
Aug
$252
Sep
$246
Oct
$246
Nov
$266
Dec
$335
Cheapest Average Expensive
Best Time to Fly from Denver to Ontario
The cheapest time to fly from Denver to Ontario is typically October, when fares average around $246. The most expensive month tends to be March at around $459. For the best deals, consider flying in October, September, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: October10,777 fares analyzedTypical low: $427
Planning Los Angeles?
Best months to go, what a day on the ground costs, and the tours worth booking.
Read the Los Angeles guide →Other Destinations From Denver
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