There are most likely no direct flights on the San Antonio — Denver route
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We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from San Antonio to Denver
A non-stop flight is the most convenient and comfortable way to fly from San Antonio to Denver, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the San Antonio — Denver route
San Antonio — Denver
10/17/2026
Departure
Direct flight
UA1007
starting at $182
San Antonio — Denver
06/24/2026
Departure
Direct flight
WN3565
starting at $419
The route San Antonio — Denver is served by several airlines: United Airlines, Southwest Airlines, and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $73 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest flight ticket from San Antonio to Denver according to data for the last 48 hours costs $73
Often the best time to buy tickets from San Antonio to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Antonio to Denver can be found flying in these months: June.
The fastest flights from San Antonio to Denver start from 2 hours 25 minutes in the air.
The following airlines operate direct flights on the route San Antonio — Denver: United Airlines, Southwest Airlines
The cheapest one-way flight from San Antonio to Denver departs on 10/17/2026, is operated by Frontier Airlines and costs $73
The cheapest roundtrip flight from San Antonio to Denver departs on 06/27/2026, is operated by Frontier Airlines and costs $282
Fastest flight from San Antonio to Denver takes 2h 25m
There are direct flights on this route 2 days a week: We and Sa
The distance between San Antonio and Denver is 1290km (800 miles). The time difference between San Antonio and Denver is 1h
We couldn't find any special offers for flights from San Antonio to Denver