How many flights depart from San Antonio to Denver on average per day?

As of September 2026, 12 flights take off from San Antonio and land in Denver each day. The most common flight departure time for this route is 9:00, with 40% of daily flights taking off in the afternoon.

What is the cheapest airline that flies from San Antonio to Denver Intl?

Southwest, United Airlines, and Delta are the most popular carriers operating from San Antonio to Denver Intl

How many flights depart from San Antonio to Denver on average per week?

As of September 2026, 86 flights take off from San Antonio and land in Denver each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.

When did momondo last update prices for flights from San Antonio Airport to Denver Intl Airport?

Prices for flights from San Antonio Airport to Denver Intl Airport are updated daily.

How old do you have to be to fly from San Antonio Airport to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

R1 542 Cheap Flights from San Antonio to Denver in 2026/27

Find the cheapest flights from San Antonio to Denver

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

6:35 - 7:50SAT San Antonio-DEN Denver Intl

2h 15mdirect

13:00 - 16:05DEN Denver Intl-SAT San Antonio

2h 05mdirect

R3 068Southwest

Sat, Oct 17 - Sat, Oct 24

19:00 - 23:27SAT San Antonio-DEN Denver Intl

5h 27m1 stop Houston George Bush Intcntl

13:25 - 16:30DEN Denver Intl-SAT San Antonio

2h 05mdirect

R3 166United Airlines

Tue, Feb 16 - Sat, Feb 20

6:35 - 7:50SAT San Antonio-DEN Denver Intl

2h 15mdirect

7:45 - 13:40DEN Denver Intl-SAT San Antonio

4h 55m1 stop Dallas Love Field

R3 232Southwest

Sat, Oct 17 - Sat, Oct 24

18:30 - 23:50SAT San Antonio-DEN Denver Intl

6h 20m2 stops El Paso Phoenix Sky Harbor Intl

13:00 - 16:05DEN Denver Intl-SAT San Antonio

2h 05mdirect

R3 314Southwest

Tue, Oct 13 - Sat, Oct 17

13:50 - 15:00SAT San Antonio-DEN Denver Intl

2h 10mdirect

7:00 - 10:05DEN Denver Intl-SAT San Antonio

2h 05mdirect

R3 363Southwest

Sat, Oct 17 - Mon, Oct 19

6:35 - 11:56SAT San Antonio-DEN Denver Intl

6h 21m1 stop Salt Lake City

7:00 - 17:14DEN Denver Intl-SAT San Antonio

9h 14m1 stop Atlanta Hartsfield-Jackson

R3 396Delta

Sat, Oct 17 - Sat, Oct 24

18:30 - 23:50SAT San Antonio-DEN Denver Intl

6h 20m2 stops El Paso Phoenix Sky Harbor Intl

13:15 - 18:25DEN Denver Intl-SAT San Antonio

4h 10m1 stop Kansas City

R3 412Southwest

Tue, Oct 20 - Tue, Oct 27

19:08 - 23:30SAT San Antonio-DEN Denver Intl

5h 22m1 stop Houston George Bush Intcntl

17:27 - 20:40DEN Denver Intl-SAT San Antonio

2h 13mdirect

R3 445United Airlines

Tue, Dec 22 - Tue, Dec 29

6:20 - 7:35SAT San Antonio-DEN Denver Intl

2h 15mdirect

6:40 - 11:25DEN Denver Intl-SAT San Antonio

3h 45m1 stop Dallas Love Field

R3 461Southwest

Tue, Jan 26 - Fri, Jan 29

18:30 - 23:50SAT San Antonio-DEN Denver Intl

6h 20m2 stops El Paso Phoenix Sky Harbor Intl

5:50 - 12:10DEN Denver Intl-SAT San Antonio

5h 20m1 stop Houston Hobby

R3 478Southwest

Tue, Oct 13 - Sat, Oct 17

Cheap last-minute flights

Enter your travel dates to find the best prices.

5:30 - 8:55SAT San Antonio-DEN Denver Intl

4h 25m1 stop Houston George Bush Intcntl

16:20 - 22:51DEN Denver Intl-SAT San Antonio

5h 31m1 stop Houston George Bush Intcntl

R10 138United Airlines

Thu, Oct 1 - Tue, Oct 6

6:10 - 11:35SAT San Antonio-DEN Denver Intl

6h 25m2 stops Houston Hobby Omaha Eppley Airfield

6:00 - 13:40DEN Denver Intl-SAT San Antonio

6h 40m2 stops Phoenix Sky Harbor Intl El Paso

R11 664Southwest

Thu, Oct 1 - Sat, Oct 17

13:17 - 14:37SAT San Antonio-DEN Denver Intl

2h 20mdirect

13:42 - 16:52DEN Denver Intl-SAT San Antonio

2h 10mdirect

R13 009United Airlines

Thu, Oct 1 - Sun, Oct 4

5:30 - 11:12SAT San Antonio-DEN Denver Intl

6h 42m1 stop Houston George Bush Intcntl

13:42 - 16:52DEN Denver Intl-SAT San Antonio

2h 10mdirect

R13 173United Airlines

Thu, Oct 1 - Sun, Oct 4

6:10 - 11:35SAT San Antonio-DEN Denver Intl

6h 25m2 stops Houston Hobby Omaha Eppley Airfield

15:05 - 21:15DEN Denver Intl-SAT San Antonio

5h 10m2 stops Oklahoma City Will Rogers World Dallas Love Field

R13 189Southwest

Thu, Oct 1 - Thu, Oct 8

9:48 - 18:16SAT San Antonio-DEN Denver Intl

9h 28m2 stops Houston George Bush Intcntl Dallas/Fort Worth

20:35 - 23:58DEN Denver Intl-SAT San Antonio

2h 23mdirect

R14 403United Airlines

Tue, Sep 29 - Tue, Sep 29

5:30 - 6:59SAT San Antonio-DEN Denver Intl

2h 29mdirect

13:42 - 16:52DEN Denver Intl-SAT San Antonio

2h 10mdirect

R14 912United Airlines

Tue, Sep 29 - Thu, Oct 1

13:17 - 14:37SAT San Antonio-DEN Denver Intl

2h 20mdirect

5:00 - 10:43DEN Denver Intl-SAT San Antonio

4h 43m1 stop Houston George Bush Intcntl

R15 076United Airlines

Tue, Sep 29 - Thu, Oct 1

7:35 - 11:12SAT San Antonio-DEN Denver Intl

4h 37m1 stop Houston George Bush Intcntl

15:35 - 21:31DEN Denver Intl-SAT San Antonio

4h 56m1 stop Houston George Bush Intcntl

R15 240United Airlines

Tue, Sep 29 - Thu, Oct 1

9:20 - 14:10SAT San Antonio-DEN Denver Intl

5h 50m2 stops Dallas Love Field Colorado Springs

15:05 - 21:15DEN Denver Intl-SAT San Antonio

5h 10m2 stops Oklahoma City Will Rogers World Dallas Love Field

R15 404Southwest

Tue, Sep 29 - Thu, Oct 1

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United Airlines flights from San Antonio to Denver

Our best United Airlines deals on San Antonio to Denver flight tickets

United Airlines

Feb 16

SAT19:00San Antonio

5h 27m

1 stop

DEN23:27Denver Intl

Feb 20

DEN13:25Denver Intl

2h 05m

SAT16:30San Antonio

R3 166

United Airlines

Dec 22

SAT19:08San Antonio

5h 22m

1 stop

DEN23:30Denver Intl

Dec 29

DEN17:27Denver Intl

2h 13m

SAT20:40San Antonio

R3 445

United Airlines

Dec 22

SAT19:08San Antonio

5h 22m

1 stop

DEN23:30Denver Intl

Dec 29

DEN13:40Denver Intl

2h 16m

SAT16:56San Antonio

R3 740

Southwest flights from San Antonio to Denver

Our best Southwest deals on San Antonio to Denver flight tickets

Southwest

Oct 7

SAT6:30San Antonio

2h 15m

DEN7:45Denver Intl

Oct 7

DEN10:50Denver Intl

2h 10m

SAT14:00San Antonio

R3 068

Southwest

Oct 7

SAT6:30San Antonio

2h 15m

DEN7:45Denver Intl

Oct 7

DEN11:40Denver Intl

4h 45m

1 stop

SAT17:25San Antonio

R3 232

Southwest

Oct 13

SAT18:30San Antonio

6h 20m

2 stops

DEN23:50Denver Intl

Oct 17

DEN13:00Denver Intl

2h 05m

SAT16:05San Antonio

R3 314

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Sat 17/10

6:35-7:50

Nonstop2h 15m

Denver Intl

Sat 24/10

13:00-16:05

Nonstop2h 05m

R3 068

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Tue 16/2

19:00-23:27

1 stop5h 27m

Denver Intl

Sat 20/2

13:25-16:30

Nonstop2h 05m

R3 166

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Sat 17/10

6:35-7:50

Nonstop2h 15m

Denver Intl

Sat 24/10

7:45-13:40

1 stop4h 55m

R3 232

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Tue 13/10

18:30-23:50

2 stops6h 20m

Denver Intl

Sat 17/10

13:00-16:05

Nonstop2h 05m

R3 314

Fastest return journey

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Sat 17/10

13:50-15:00

Nonstop2h 10m

Denver Intl

Mon 19/10

7:00-10:05

Nonstop2h 05m

R3 363

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Sat 17/10

6:35-11:56

1 stop6h 21m

Denver Intl

Sat 24/10

7:00-17:14

1 stop9h 14m

R3 396

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Tue 20/10

18:30-23:50

2 stops6h 20m

Denver Intl

Tue 27/10

13:15-18:25

1 stop4h 10m

R3 412

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Tue 22/12

19:08-23:30

1 stop5h 22m

Denver Intl

Tue 29/12

17:27-20:40

Nonstop2h 13m

R3 445

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Tue 26/1

6:20-7:35

Nonstop2h 15m

Denver Intl

Fri 29/1

6:40-11:25

1 stop3h 45m

R3 461

San AntonioDenver

SAT San Antonio - DEN Denver Intl

SATDEN

San Antonio

Tue 13/10

18:30-23:50

2 stops6h 20m

Denver Intl

Sat 17/10

5:50-12:10

1 stop5h 20m

R3 478

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between San Antonio and Denver?

Prices are currently typical for flights on this route.

Typical prices usually range from R2 945 to R5 389.
The lowest price recently found on this route was R3 068.

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from San Antonio is in February. Flight prices, which tend to average around R3 002, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until January to fly from San Antonio, when ticket prices are also cheap, with an average price of R3 100.

How far in advance should I book a flight from San Antonio to Denver?

You are more likely to see cheaper flights to Denver from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around R3 897 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from San Antonio for as low as R2 854 on momondo.

How have San Antonio to Denver flight prices changed over time?

As of September 2026, prices for San Antonio to Denver flights are approximately 69% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Antonio to Denver (SAT to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Denver

Best price found	R1 542
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Denver	1 airport

The best one-way flight to Denver from San Antonio in the past 72 hours is R1 542. The best return flight deal from San Antonio to Denver found on momondo in the last 72 hours is R3 068.

Direct flights go from San Antonio to Denver on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There is 1 airport in Denver. From San Antonio there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from San Antonio to Denver

How far is San Antonio to Denver Intl by plane?
San Antonio and Denver Intl are 1289,9 km apart from one another.
When did momondo last update prices for flights from San Antonio Airport to Denver Intl Airport?
Prices for flights from San Antonio Airport to Denver Intl Airport are updated daily.
How old do you have to be to fly from San Antonio Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Antonio to Denver is Boeing 737 MAX 8 (16,17% of total bookings). The next most popular plane models are Boeing 737-800 (13,69%), Boeing 737-800 Passenger/BBJ2 (winglets) (13,04%), and Airbus A320-100/200 (12,59%).

Estes Park

Black Hawk

Manitou Springs

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Denver?

It is quick and easy to find San Antonio to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from San Antonio to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to Denver?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from San Antonio.

I’m not ready to book a flight from San Antonio to Denver right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Antonio to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.