Route Price Intelligence
Cheap Flights From San Diego to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Frontier is flying San Diego to Denver nonstop for $113 right now, well under the usual $255 this route runs. Ski season is ramping up in the Rockies, so it is an easy way to reach the mountains without a layover. At this price it works just as well for a quick weekend trip as a longer stay.
✓ 11 date combinations found at this price
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Best Time to Fly from San Diego to Denver
The cheapest time to fly from San Diego to Denver is typically May, when fares average around $107. The most expensive month tends to be September at around $257. For the best deals, consider flying in May, June, July.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route