Route Price Intelligence
Cheap Flights From San Antonio to Denver
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 5d ago
$138Frontier has nonstop San Antonio–Denver fares down to $138, 45% off the typical price. Great for a quick Rockies getaway — just note Frontier's notorious add-on fees, so budget accordingly and pack light.
✓ 10 date combinations found at this price
Search Google FlightsTypical Price
$314
Deals From
$138
Usually Costs
$138 – $449
Lowest We've Seen
$56
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$449
Feb
—
Mar
—
Apr
$255
May
$168
Jun
$219
Jul
$229
Aug
$249
Sep
$364
Oct
$450
Nov
$449
Dec
$459
Cheapest Average Expensive
Best Time to Fly from San Antonio to Denver
The cheapest time to fly from San Antonio to Denver is typically May, when fares average around $168. The most expensive month tends to be December at around $459. 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
Cheapest month: August22,357 fares analyzedTypical low: $289