Cheap Flights from Denver (DEN) to San Antonio (SAT)

View AU$164 flight on Thu, 30 Oct 2025Opens in a new window

Popular airlines from Denver International Airport (DEN) to San Antonio International Airport (SAT)

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Cheap Flights from Denver (DEN) to San Antonio (SAT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 11 Oct - Sat, 18 Oct
DEN
Denver
SAT
San Antonio
AU$312 Return, found 3 days ago
AU$312
Return
found 3 days ago
Select Delta flight, departing Sat, 11 Oct from Denver to San Antonio, returning Sat, 18 Oct, priced at AU$312 found 3 days ago
Delta
Tue, 7 Oct - Sat, 18 Oct
DEN
Denver
SAT
San Antonio
AU$357 Return, found 3 days ago
AU$357
Return
found 3 days ago
Select Delta flight, departing Tue, 7 Oct from Denver to San Antonio, returning Sat, 18 Oct, priced at AU$357 found 3 days ago
Delta
Sat, 11 Oct - Tue, 14 Oct
DEN
Denver
SAT
San Antonio
AU$372 Return, found 3 days ago
AU$372
Return
found 3 days ago
Select Delta flight, departing Sat, 11 Oct from Denver to San Antonio, returning Tue, 14 Oct, priced at AU$372 found 3 days ago
Delta
Mon, 6 Oct - Sat, 11 Oct
DEN
Denver
SAT
San Antonio
AU$387 Return, found 3 days ago
AU$387
Return
found 3 days ago
Select Delta flight, departing Mon, 6 Oct from Denver to San Antonio, returning Sat, 11 Oct, priced at AU$387 found 3 days ago
Delta
Wed, 8 Oct - Thu, 9 Oct
DEN
Denver
SAT
San Antonio
AU$402 Return, found 3 days ago
AU$402
Return
found 3 days ago
Select Delta flight, departing Wed, 8 Oct from Denver to San Antonio, returning Thu, 9 Oct, priced at AU$402 found 3 days ago
Delta
Tue, 7 Oct - Tue, 14 Oct
DEN
Denver
SAT
San Antonio
AU$417 Return, found 3 days ago
AU$417
Return
found 3 days ago
Select Delta flight, departing Tue, 7 Oct from Denver to San Antonio, returning Tue, 14 Oct, priced at AU$417 found 3 days ago
Alaska Airlines
Wed, 8 Oct - Thu, 9 Oct
DEN
Denver
SAT
San Antonio
AU$1,051 Return, found 3 days ago
AU$1,051
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 8 Oct from Denver to San Antonio, returning Thu, 9 Oct, priced at AU$1,051 found 3 days ago

Find the cheapest month to fly from Denver (DEN) to San Antonio (SAT)

October is typically the cheapest month to fly

From AU$103 - AU$214 per traveller.
Flight from Denver to San Antonio route information
Origin airport
Denver Intl.
Destination airport
San Antonio Intl.
Return price
AU$311
Distance
1271 km
Average flight time
3 hours 10 mins

Your quick guide to flights from Denver to San Antonio

Pick up great flights from Denver to San Antonio

With Expedia, you have your pick of 14 flights a day with 20 airlines covering flights from Denver to San Antonio. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to San Antonio that take around 4 hours.

Find cheap flights from Denver to San Antonio

From the great flight deals with prices currently ranging from AU$312 to AU$1,051, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to San Antonio around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Antonio is normally in October.

Reasons to book your flight from Denver to San Antonio with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to San Antonio across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Antonio right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from DEN to San Antonio Airport?
The lowest price advertised for a round-trip journey from DIA airport to SAT is AU$312. But you better get a move on. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Denver Intl. Airport (DEN) to San Antonio Intl. Airport (SAT)?
We get that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Denver Airport to San Antonio Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Denver Airport to SAT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DEN to SAT?
The distance from DEN (DEN) to San Antonio Airport (SAT) is just 1 300 kilometres. You'll be stepping off the plane and collecting your suitcase from the carousel before long.
Which airlines fly direct from DEN to San Antonio Airport?
There are a few airlines that fly straight from DEN to San Antonio Intl. Airport (SAT). Southwest Airlines (WN) is a top choice, offering 117 flights a month. Like more options? Check out the airfares with United Airlines (UA). This carrier offers 91 flights every month between these destinations.
Are DIA airport to San Antonio Intl. Airport (SAT) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some of the cheapest fares from Denver Intl. Airport (DEN) to SAT appearing a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines issue prices so far in advance.

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