Route Price Intelligence
Cheap Flights From San Antonio to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Frontier has nonstop San Antonio to Denver fares down to $122 round trip, well under the usual $222 to $449 range. Dates are open across November, December, January and February. Denver's ski season access to the Rockies makes this an easy, cheap add for a quick mountain getaway.
✓ 4 date combinations found at this price
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Best Time to Fly from San Antonio to Denver
The cheapest time to fly from San Antonio to Denver is typically January, when fares average around $168. The most expensive month tends to be March at around $314. For the best deals, consider flying in January, May, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route