How many flights from Denver to San Antonio are non-stop?

Across the trailing quarter, approximately 64.3% of flights from Denver to San Antonio were non-stop. For flights that included stopovers, the median number of stopovers was 2. This indicates that a significant portion of travelers on this route can find direct flight options.

How long is the flight from Denver to San Antonio?

The typical direct flight from Denver to San Antonio covers a distance of 1280 kilometers and has a median duration of 2 hours and 14 minutes. Flights with one stop, however, are considerably longer, with a median duration of 8 hours and 47 minutes. Travelers should consider these differences when planning their journey.

Are there frequently good prices on flights from Denver to San Antonio?

Historically, good prices on flights from Denver to San Antonio are observed frequently. This route is classified as one where deals appear often. Travelers can typically find competitive fares when planning their trips.

Flights From Denver

To San Antonio

Cheap Flights from Denver to San Antonio

Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Denver

RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Denver to San Antonio

Explore current cheapest deals departing from Denver to San Antonio

2026-10-05 – 2026-10-09
DEN - San Antonio
78% AI deal score
$134
$68
Round trip
2026-10-09 – 2026-10-16
DEN - San Antonio
76% AI deal score
$125
$73
Round trip
2026-11-05 – 2026-11-09
DEN - San Antonio
74% AI deal score
$124
$76
Round trip
2026-11-14 – 2026-11-18
DEN - San Antonio
71% AI deal score
$129
$90
Round trip
2026-10-21 – 2026-10-31
DEN - San Antonio
50% AI deal score
$114
$91
Round trip
2026-10-21 – 2026-10-28
DEN - San Antonio
70% AI deal score
$124
$91
Round trip
2026-10-21 – 2026-11-18
DEN - San Antonio
47% AI deal score
$105
$93
Round trip
2026-10-31 – 2026-11-18
DEN - San Antonio
48% AI deal score
$107
$93
Round trip
2026-10-28 – 2026-11-18
DEN - San Antonio
47% AI deal score
$106
$93
Round trip
2026-10-14 – 2026-10-21
DEN - San Antonio
49% AI deal score
$125
$101
Round trip

Denver to San Antonio: Overview

Insights for flights from Denver to San Antonio

Right now, fares for flights from Denver to San Antonio are significantly above the typical level, with recent prices typically ranging from $127–$616 and a median of $166. This indicates a current market where prices are elevated compared to the usual range observed over the last 90 days. For travelers seeking cheap flights from Denver to San Antonio, it's important to consider that new deals appear almost daily, suggesting opportunities for price changes.

When considering the cheapest time to fly from Denver to San Antonio, May stands out as the most affordable month, with a median fare of just $80. Following closely, April offers a median fare of $100, while August presents another cost-effective option with a median of $128. These months represent the best opportunities to find lower prices for this route.

A typical journey from Denver to San Antonio has a median flight time of 2h 14m. This route is classified as short-haul, covering a distance of approximately 1280 kilometers. The relatively short distance means that even with connections, the overall travel time remains manageable.

For direct flights from Denver to San Antonio, 64.3% of recent fares are non-stop, indicating that a meaningful share are non-stop. For itineraries that do include connections, the typical number of stopovers is 2. This mix of direct and connecting options provides flexibility for travelers, though direct flights offer a more streamlined travel experience.

How much is a round trip from Denver to San Antonio

Regular price: $101 - $306

Prices for flights from Denver to San Antonio are currently below the regular range.

The regular price range for flights from Denver to San Antonio is $101 to $306. The current lowest deal is $68 with Frontier Airlines for travel from Oct 5-Oct 9.

now $68

Low $101

High $306

The cheapest time to fly from Denver to San Antonio

The cheapest month to fly from Denver to San Antonio is May, with a median price of $90. The most expensive month is July, with a median price of $774. Prices are generally lower from April to December.

May

Cheapest

Flights from $90

July

Most Expensive

Flights from $774

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to San Antonio

Frontier Airlines

Last-minute flights going from Denver to San Antonio

Tue, Sep 15

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$454

$384

One-way

Wed, Sep 16

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$429

$389

One-way

Fri, Sep 18

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$426

$366

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$384

$358

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$390

$368

One-way

Wed, Sep 23

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$270

$142

One-way

Biggest price drops on these dates for flights from Denver to San Antonio

7 nights

Sep 23 - Sep 30

$270 → $142

47%

4 nights

Oct 22 - Oct 26

$242 → $149

38%

2 nights

Sep 19 - Sep 21

$390 → $299

23%

3 nights

Sep 22 - Sep 25

$318 → $236

26%

Popular Airports to fly from Denver to San Antonio

Denver - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent fares are above the typical level for the DEN to SAT route, with a median of $166.

📅 Best time to fly

Fly in May for the best prices

Historically, May offers the lowest median prices at $80, followed by April at $100.

⏱️ Flight duration

Direct flights average 2h 14m

Direct flights typically take 2h 14m, while connecting flights average 14h 25m.

✈️ Airlines & availability

Direct flights are frequent

Direct flights make up 64.3% of routes, with Frontier Airlines offering direct deals.

🏆 Airline highlight

Frontier Airlines offers direct deals

Frontier Airlines has direct deals available for the Denver to San Antonio route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Denver to San Antonio are frequent, appearing often within 30 days.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International is a convenient option for flights from Denver to San Antonio.

📍 ~30 km from city center (reachable by car or train)

💸 Flights from ~$102

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival point for flights from Denver to San Antonio.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$116

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin-Bergstrom International is a major international hub with an extensive flight network, offering many flight options.

📍 ~120 km from San Antonio (reachable by car, but heavy traffic on I-35 can increase travel time).

💸 Flights from ~$96

Business & First Class Flight Deals to San Antonio

Discover luxury on the budget with premium cabin class on flights from Denver to San Antonio.

Elite

Best Elite deals to San Antonio

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DEN

Elite

Oct 27

San Antonio, United States

79% AI deal score

$1,156

$540

Save $616

United Airlines

Business Class

From DEN

Elite

Oct 10

San Antonio, United States

69% AI deal score

$649

$527

Save $122

United Airlines

Business Class

From DEN

Elite

Oct 14

San Antonio, United States

69% AI deal score

$623

$529

Save $94

United Airlines

Business Class

From DEN

Elite

Oct 20

San Antonio, United States

68% AI deal score

$643

$539

Save $104

United Airlines

Business Class

From DEN

Elite

Dec 10

San Antonio, United States

68% AI deal score

$663

$545

Save $118

United Airlines

Business Class

From DEN

Elite

Oct 14

San Antonio, United States

67% AI deal score

$563

$509

Save $54

United Airlines

Business Class

From DEN

Elite

Oct 29

San Antonio, United States

67% AI deal score

$660

$569

Save $91

United Airlines

Business Class

From DEN

Elite

Nov 12

San Antonio, United States

66% AI deal score

$591

$549

Save $42

United Airlines

Business Class

From DEN

Elite

Oct 23

San Antonio, United States

65% AI deal score

$636

$592

Save $44

United Airlines

Business Class

From DEN

Elite

Oct 22

San Antonio, United States

49% AI deal score

$660

$648

Save $12

United Airlines

Business Class

From DEN

Elite

Dec 11

San Antonio, United States

49% AI deal score

$693

$678

Save $15

United Airlines

Business Class

From DEN

Elite

Oct 09

San Antonio, United States

48% AI deal score

$654

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Historically, the optimal booking window for flights from Denver to San Antonio is typically between 28 and 59 days prior to departure. During this period, the average price observed was $112. Prices tend to increase significantly for bookings made closer to the departure date, with flights booked 0-6 days out averaging $598. Conversely, booking more than 60 days in advance also shows a slightly higher average price of $148.

Based on historical data across the trailing quarter, a good price for a flight from Denver to San Antonio is considered to be $127 or less. The median price for this route was $166 during the same period. Prices can vary, with some fares historically reaching up to $616.

Historically, May has been the cheapest month to fly from Denver to San Antonio, with a median price of $80. April also offers competitive fares, with a median price of $100. The annual median price for this route is $166, indicating that these months offer significant savings compared to the yearly average.

Related routes

More routes from Denver

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Flights to San Antonio from other cities

Flights from Dallas to San Antonio Flights from Des Moines to San Antonio Flights from Detroit to San Antonio Flights from El Paso to San Antonio Flights from Hong Kong to San Antonio Flights from Houston to San Antonio Flights from Indianapolis to San Antonio Flights from Istanbul to San Antonio Flights from Las Vegas to San Antonio Flights from Los Angeles to San Antonio Flights from Miami to San Antonio Flights from Sioux Falls to San Antonio

Denver to San Antonio: Overview

Insights for flights from Denver to San Antonio

How much is a round trip from Denver to San Antonio

Regular price: $101 - $306

Prices for flights from Denver to San Antonio are currently below the regular range.

The regular price range for flights from Denver to San Antonio is $101 to $306. The current lowest deal is $68 with Frontier Airlines for travel from Oct 5-Oct 9.

now $68

Low $101

High $306

The cheapest time to fly from Denver to San Antonio

May

Cheapest

Flights from $90

July

Most Expensive

Flights from $774

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Denver to San Antonio

Frontier Airlines

Last-minute flights going from Denver to San Antonio

Tue, Sep 15

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$454

$384

One-way

Wed, Sep 16

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$429

$389

One-way

Fri, Sep 18

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$426

$366

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$384

$358

One-way

Sat, Sep 19

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$390

$368

One-way

Wed, Sep 23

⌛ Last-Minute

DEN - San Antonio

Denver (DEN) - San Antonio (SAT)

Frontier Airlines

$270

$142

One-way

Biggest price drops on these dates for flights from Denver to San Antonio

7 nights

Sep 23 - Sep 30

$270 → $142

47%

4 nights

Oct 22 - Oct 26

$242 → $149

38%

2 nights

Sep 19 - Sep 21

$390 → $299

23%

3 nights

Sep 22 - Sep 25

$318 → $236

26%

Popular Airports to fly from Denver to San Antonio

Denver - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent fares are above the typical level for the DEN to SAT route, with a median of $166.

📅 Best time to fly

Fly in May for the best prices

Historically, May offers the lowest median prices at $80, followed by April at $100.

⏱️ Flight duration

Direct flights average 2h 14m

Direct flights typically take 2h 14m, while connecting flights average 14h 25m.

✈️ Airlines & availability

Direct flights are frequent

Direct flights make up 64.3% of routes, with Frontier Airlines offering direct deals.

🏆 Airline highlight

Frontier Airlines offers direct deals

Frontier Airlines has direct deals available for the Denver to San Antonio route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Denver to San Antonio are frequent, appearing often within 30 days.

Denver main airports to depart from

Denver International (DEN)

Cheapest

Denver International is a convenient option for flights from Denver to San Antonio.

📍 ~30 km from city center (reachable by car or train)

💸 Flights from ~$102

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival point for flights from Denver to San Antonio.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$116

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin-Bergstrom International is a major international hub with an extensive flight network, offering many flight options.

San Antonio, United States

48% AI deal score

$654

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Cheap Flights from Denver to San Antonio

Today’s best flight deals from Denver to San Antonio

Denver to San Antonio: Overview

Insights for flights from Denver to San Antonio

How much is a round trip from Denver to San Antonio

The cheapest time to fly from Denver to San Antonio

Direct flights from Denver to San Antonio

Last-minute flights going from Denver to San Antonio

Biggest price drops on these dates for flights from Denver to San Antonio

Popular Airports to fly from Denver to San Antonio

Denver - San Antonio route insights

Recent fares are above the typical level

Fly in May for the best prices

Direct flights average 2h 14m

Direct flights are frequent

Frontier Airlines offers direct deals

Deals are frequent on this route

Denver main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Oct 27

Oct 10

Oct 14

Oct 20

Dec 10

Oct 14

Oct 29

Nov 12

Oct 23

Oct 22

Dec 11

Oct 09

Frequently Asked Questions About Flights to San Antonio

When is the best time to book flights from Denver to San Antonio?

What's a cheap fare from Denver to San Antonio?

What's the best month to fly from Denver to San Antonio?

How many flights from Denver to San Antonio are non-stop?

How long is the flight from Denver to San Antonio?

Are there frequently good prices on flights from Denver to San Antonio?

Related routes

More routes from Denver

Flights to San Antonio from other cities

Denver to San Antonio: Overview

Insights for flights from Denver to San Antonio

How much is a round trip from Denver to San Antonio

The cheapest time to fly from Denver to San Antonio

Direct flights from Denver to San Antonio

Last-minute flights going from Denver to San Antonio

Biggest price drops on these dates for flights from Denver to San Antonio

Popular Airports to fly from Denver to San Antonio

Denver - San Antonio route insights

Recent fares are above the typical level

Fly in May for the best prices

Direct flights average 2h 14m

Direct flights are frequent

Frontier Airlines offers direct deals

Deals are frequent on this route

Denver main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Oct 27

Oct 10

Oct 14

Oct 20

Dec 10

Oct 14

Oct 29

Nov 12

Oct 23

Oct 22

Dec 11

Oct 09

Frequently Asked Questions About Flights to San Antonio

When is the best time to book flights from Denver to San Antonio?

What's a cheap fare from Denver to San Antonio?

What's the best month to fly from Denver to San Antonio?