Find cheap flights from Denver to San Antonio starting at $19.
Book one-way or return flights from Denver to San Antonio from as little as $19. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- DEN05:062h 17mDirectSAT08:23Wed, May 22|Denver - San Antonio|Frontier Airlines$19$4859% OFF59% OFF$48$19
- DEN08:052h 17mDirectSAT11:22Wed, May 15|Denver - San Antonio|Frontier Airlines$20$4859% OFF59% OFF$48$20
- DEN05:062h 14mDirectSAT08:20Sat, May 11|Denver - San Antonio|Frontier Airlines$24$4850% OFF50% OFF$48$24
- DEN08:052h 17mDirectSAT11:22Wed, May 8|Denver - San Antonio|Frontier Airlines$25$25
- DEN05:062h 17mDirectSAT08:23Sat, May 18|Denver - San Antonio|Frontier Airlines$26$26
- DEN05:062h 17mDirectSAT08:23Wed, May 29|Denver - San Antonio|Frontier Airlines$27$27
- DEN05:112h 17mDirectSAT08:28Sat, Jun 8|Denver - San Antonio|Frontier Airlines$27$27
- DEN07:302h 17mDirectSAT10:47Mon, May 6|Denver - San Antonio|Frontier Airlines$34$34
- DEN05:062h 17mDirectSAT08:23Mon, May 20|Denver - San Antonio|Frontier Airlines$36$36
- DEN05:112h 17mDirectSAT08:28Sat, Jun 22|Denver - San Antonio|Frontier Airlines$36$36
- DEN13:003h 5mDirectSAT14:00Mon, May 6|Denver - San Antonio|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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- CheapestDEN05:062h 17mDirectSAT08:23Denver International Airport - San Antonio International AirportWed, May 22Frontier Airlines$19
- DEN05:062h 17mDirectSAT08:23Denver International Airport - San Antonio International AirportWed, May 22Frontier Airlines$19Find More Flights
Frequently Asked Questions
How to find a cheap flight from Denver to San Antonio
Cheapest nonstop flight price | $19 |
---|---|
Cheapest round-trip ticket price | $37 |
Off-season for travel | May |
Peak season for travel | October |
Flight distance | 1,280.06km |
Average flight time | 2 hours 23 minutes |
Popular airline | American Airlines |
Plan Your Trip Around San Antonio
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