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

In the trailing 90 days, approximately 57.5% of flights from San Antonio to Denver have been non-stop. For flights that include stopovers, the median number of stopovers is typically one. This indicates that a significant portion of available options offer direct travel between the two cities.

What's the flight time from San Antonio to Denver?

The typical direct flight time from San Antonio to Denver is approximately 2 hours and 22 minutes. This route covers a distance of 1280 kilometers. For flights with one stop, the median travel time increases significantly to 7 hours and 16 minutes. Travelers should consider direct options for a quicker journey.

How often do cheap flights from San Antonio to Denver come up?

Historically, cheap flights from San Antonio to Denver come up frequently. This route is considered to have a high availability of deals. Travelers looking for good value on this route can typically find opportunities with regularity.

Flights From San Antonio

To Denver

Cheap Flights from San Antonio to Denver

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

Deals from

San Antonio

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

Prices updated 1 day ago

476 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 6, 2026.)

Today’s best flight deals from San Antonio to Denver

Explore current cheapest deals departing from San Antonio to Denver

2026-10-20 – 2026-10-24
SAT - Denver
43% AI deal score
$145
$134
Round trip
2026-10-20 – 2026-11-14
SAT - Denver
42% AI deal score
$114
$145
Round trip
2026-11-11 – 2026-11-14
SAT - Denver
45% AI deal score
$158
$145
Round trip
2026-10-24 – 2026-11-14
SAT - Denver
42% AI deal score
$115
$146
Round trip
2026-10-20 – 2026-10-27
SAT - Denver
43% AI deal score
$136
$146
Round trip
2026-10-20 – 2026-11-18
SAT - Denver
42% AI deal score
$114
$146
Round trip
2026-10-20 – 2026-11-11
SAT - Denver
42% AI deal score
$114
$146
Round trip
2026-11-14 – 2026-11-18
SAT - Denver
45% AI deal score
$158
$146
Round trip
2026-11-07 – 2026-11-14
SAT - Denver
44% AI deal score
$150
$146
Round trip
2026-11-17 – 2026-11-18
SAT - Denver
45% AI deal score
$159
$146
Round trip

San Antonio to Denver: Overview

Insights for flights from San Antonio to Denver

Right now, only 1% of recent fares from San Antonio to Denver are classified as a good price. This indicates that current prices are significantly above the typical level for this route. Fares for this route typically range from $159–$504, with a median of $275.

When considering cheap flights from San Antonio to Denver, the data indicates that November is typically the most affordable month to fly, with a median fare of $135. Other cost-effective options include April, with a median fare of $159, and September, where the median fare is $168.

The journey from San Antonio to Denver covers a distance of 1280 kilometers, classifying it as a short-haul route. This distance is typically covered by flights that are relatively quick and direct.

A typical journey from San Antonio to Denver takes approximately 2h 22m, including connections. For this route, a meaningful share of itineraries are non-stop, while the remaining flights typically involve one connection.

How much is a round trip from San Antonio to Denver

Regular price: $107 - $285

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

The regular price range for flights from San Antonio to Denver is $107 to $285. The current lowest deal is $134 with Frontier Airlines for travel from Oct 24-Oct 27.

now $134

Low $107

High $285

The cheapest time to fly from San Antonio to Denver

The cheapest month to fly from San Antonio to Denver is November, with a median price of $135. The most expensive month is January, with a median price of $517. Prices are generally lower from May to December.

November

Cheapest

Flights from $135

January

Most Expensive

Flights from $517

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to Denver

Frontier Airlines

Last-minute flights going from San Antonio to Denver

Fri, Oct 9

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$435

$423

One-way

Sat, Oct 10

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$440

$424

One-way

Thu, Oct 29

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$114

$206

One-way

Mon, Nov 2

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$127

$206

One-way

Wed, Nov 4

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$291

$196

One-way

Wed, Nov 4

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

United Airlines

$150

$303

One-way

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

3 nights

Nov 11 - Nov 14

$158 → $134

15%

4 nights

Jan 30 - Feb 3

$162 → $148

3 nights

Jan 30 - Feb 2

$162 → $148

2 nights

Oct 2 - Oct 4

$440 → $426

Popular Airports to fly from San Antonio to Denver

San Antonio - Denver route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from San Antonio to Denver are above the typical level at $134.

📅 Best time to fly

November, April, and September offer lower prices

Historically, November ($135), April ($159), and September ($168) have offered lower median prices.

⏱️ Flight duration

Direct flights average 2h 22m

Direct flights to Denver typically take 2h 22m, while connecting flights average 7h 34m.

✈️ Airlines & availability

Frontier Airlines offers direct flights

Frontier Airlines provides direct flights on this route, with deals appearing frequently.

🏆 Airline highlight

Frontier Airlines has a deal for $134

Frontier Airlines offers a deal for $134 from San Antonio to Denver.

🎯 Booking tip

Deals appear frequently on this route

Deals for flights from San Antonio to Denver appear frequently, offering good booking opportunities.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

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

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

💸 Flights from ~$104

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is a key gateway for travelers arriving in Denver from San Antonio.

📍 ~30 km from city center (reachable by car, bus, or rail).

💸 Flights from ~$145

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs is a reliable alternative with robust flight schedules, ideal for travelers in the southern Denver area.

📍 ~115 km from Denver (reachable by car, but I-25 traffic can impact travel time).

💸 Flights from ~$303

Business & First Class Flight Deals to Denver

$589

Save $80

United Airlines

Business Class

Frequently Asked Questions About Flights to Denver

Historically, the optimal booking window for flights from San Antonio to Denver is typically 14-27 days before departure. During this period, the average price for a ticket is around $202. Booking too early, such as 60+ days out, sees average prices rise to $364. Conversely, waiting until 7-13 days before departure can result in significantly higher average prices, reaching $647.

Across the trailing quarter, a good price for a flight from San Antonio to Denver is considered to be $159 or less. The median price for this route over the same period was $275. Prices can vary, with 75% of tickets historically costing $504 or less. Travelers should aim for prices at or below the good price threshold for the best value.

Historically, November has been one of the most affordable months to fly from San Antonio to Denver, with a median price of $135. April also offers competitive prices, with a median of $159. The annual median price for this route is $275, indicating that certain months provide significant savings compared to the yearly average.

Related routes

More routes from San Antonio

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Flights to Denver from other cities

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San Antonio to Denver: Overview

Insights for flights from San Antonio to Denver

How much is a round trip from San Antonio to Denver

Regular price: $107 - $285

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

The regular price range for flights from San Antonio to Denver is $107 to $285. The current lowest deal is $134 with Frontier Airlines for travel from Oct 24-Oct 27.

now $134

Low $107

High $285

The cheapest time to fly from San Antonio to Denver

November

Cheapest

Flights from $135

January

Most Expensive

Flights from $517

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to Denver

Frontier Airlines

Last-minute flights going from San Antonio to Denver

Fri, Oct 9

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$435

$423

One-way

Sat, Oct 10

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$440

$424

One-way

Thu, Oct 29

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$114

$206

One-way

Mon, Nov 2

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$127

$206

One-way

Wed, Nov 4

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

Frontier Airlines

$291

$196

One-way

Wed, Nov 4

⌛ Last-Minute

SAT - Denver

San Antonio (SAT) - Denver (DEN)

United Airlines

$150

$303

One-way

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

3 nights

Nov 11 - Nov 14

$158 → $134

15%

4 nights

Jan 30 - Feb 3

$162 → $148

3 nights

Jan 30 - Feb 2

$162 → $148

2 nights

Oct 2 - Oct 4

$440 → $426

Popular Airports to fly from San Antonio to Denver