
$99 Cheap United flights from Denver to San Antonio (DEN to SAT)
Find The Best Day To Fly from Denver to San Antonio
Amazing United DEN to SAT Flight Deals
The cheapest flights to San Antonio Intl. found within the past 7 days were $161 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply.
SAT From DEN Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best United flight from Denver DEN to San Antonio SAT
To find the best deals on flights to Denver from San Antonio with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Denver DEN to San Antonio SAT with United
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $161 to $201, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way United flights from Denver DEN to San Antonio SAT
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Denver to San Antonio costs from $99. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to San Antonio SAT from Denver DEN with United
To find a cheap United flight from Denver DEN to San Antonio SAT, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on United flights from Denver DEN to San Antonio SAT
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as June, or if you book a flight with a stopover.
Find nonstop flights from Denver DEN to San Antonio SAT with United
If you’re keen to be on San Antonio soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from Denver DEN to San Antonio SAT
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to San Antonio SAT from Denver DEN with United on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
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Popular United Flight Routes from DEN
Top United Flight Routes from SAT
Top Flights for United originating from DEN
Domestic
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Los Angeles to Paris (LAX - CDG)
- Los Angeles to Tokyo (LAX - NRT)
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Los Angeles to Honolulu (LAX - HNL)
- San Juan to Orlando (SJU - MCO)
International
- Los Angeles to Tokyo (LAX - NRT)
- Los Angeles to Paris (LAX - CDG)
- Los Angeles to Honolulu (LAX - HNL)
- Philadelphia to San Juan (PHL - SJU)
- Chicago to Orlando (ORD - MCO)
- San Juan to Orlando (SJU - MCO)
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- Los Angeles to San Salvador (LAX - SAL)
- Orlando to San Juan (MCO - SJU)
- New York to Orlando (LGA - MCO)