Cheap flights from Denver to San Antonio (DEN - SAT)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Denver Intl to San Antonio are usually found in September or October, booked 27 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Denver (DEN) to San Antonio (SAT)

All the information you need to plan the best DEN to SAT flight in 2021: compare Denver to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.
DEN - SAT
Price
$90 - $237
SAT
Temperature
51.8 - 84.2 °F
SAT
Precipitation
1.6 - 3.7 inches

Popular in

December

High demand for flights, 22% potential price rise

Cheapest in

September

Best time to find cheap flights, 51% potential price drop

Round-trip from

$90

From Denver Intl to San Antonio

One-way from

$84

One-way flight from Denver Intl to San Antonio

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Denver to San Antonio?

September can be a great time to fly to San Antonio from Denver with a flight ticket averaging about $184. Cheapflights users have found deals in the month of September for as cheap as $77. The most expensive prices can be found in the month of December.

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

Find a great deal and save up to 8% by booking at least 25 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Denver to San Antonio within the next two weeks, with the cheapest ticket starting at $175.

When is the cheapest time to fly from Denver to San Antonio (DEN - SAT)?

It’s optimal to fly from Denver to San Antonio in the evening. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly round-trip from Denver to San Antonio?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Cheap flights from Denver to San Antonio in November, December 2021

The best prices found for DEN to SAT flights for November, December
10 Dec - 13 Dec
$113pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
10 Dec - 13 Dec
$120pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
11 Dec - 12 Dec
$122pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
DEN
Denver Intl

Denver Intl to San Antonio 2022 flight deals

Cheap flights to San Antonio from Denver found for next year
10 Dec - 13 Dec
$113pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
10 Dec - 13 Dec
$120pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
11 Dec - 12 Dec
$122pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
DEN
Denver Intl

Non-stop flights to San Antonio from Denver

Save time with Denver to San Antonio direct flight deals
11 Feb - 14 Feb
$111pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
10 Dec - 13 Dec
$113pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
10 Dec - 13 Dec
$120pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to San Antonio

Late deals on round-trip flights to San Antonio from Denver, departing today and this week
10 Dec - 13 Dec
$113pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
10 Dec - 13 Dec
$120pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
10 Dec - 13 Dec
$123pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl

One-way flights to San Antonio from Denver

The cheapest one-way flights from Denver to San Antonio
12:43 pm - 3:59 pm
Frontier
Nonstop
2h 16m
DEN - SAT
Frontier
$84
CheapOair
3:01 am - 8:47 am
American Airlines
1 Stop
4h 46m
DEN - SAT
American Airlines
12:40 pm - 3:50 pm
United Airlines
Nonstop
2h 10m
DEN - SAT
United Airlines
$99
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Denver to San Antonio

What airports do I use to fly from Denver to San Antonio?

San Antonio is the airport most travelers will use when flying to San Antonio from Denver Intl. Booking flights from Denver Intl (DEN) to San Antonio (SAT) should be relatively easy as there are 8 daily flights to San Antonio from 5 different airlines. 2h 05m is how long a flight from Denver to San Antonio will take if you book a nonstop flight.

Which airlines flying from Denver Intl to San Antonio have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Frontier, United Airlines, and American Airlines flying from Denver Intl to San Antonio have implemented new flexible cancellation policies.

Can I find flights from Denver to San Antonio for under $200 on Cheapflights?

Yes, there are multiple flights from Denver to San Antonio for under $200. The cheapest flight booked recently is on Frontier for just $105, but on average you can expect to pay $125.

Are there nonstop flights from Denver to San Antonio for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to San Antonio under $200. A good price for a nonstop flight from Denver to San Antonio is less than $131.

Are there last-minute flights available from Denver to San Antonio for under $200?

There are currently 20+ open flights from Denver to San Antonio within the next 7 days for less than $200.

What days are nonstop flights available from Denver to San Antonio?

Days when nonstop flights are available for this flight are: Wednesday, Thursday.

How popular is this Denver to San Antonio flight route?

This flight path from Denver Intl to San Antonio was viewed by 162 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Per day, 10 flights depart from Denver to San Antonio on average.
Morning (6am - Noon) - 40% of flight departures
Afternoon (Noon - 6pm) - 40% of flight departures
Evening (6pm - Midnight) - 20% of flight departures

How long is the flight from Denver to San Antonio?

Frontier, United Airlines, and Delta can get you from Denver to San Antonio in just under 2h 07m. Your travel time can differ by up to 14h 38m. Denver and San Antonio are separated by a distance of 799 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Denver to San Antonio round-trip?

Currently priced at $105, Frontier will fly you from Denver to San Antonio and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $127 and $151, respectively. Users have found that Frontier is 42% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Denver to San Antonio one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $39. United Airlines flights start at $73 while deals on Delta start at $76 one-way.

What are the most popular airlines that fly from Denver to San Antonio?

Major Airline, American Airlines and Delta are the most popular airlines when flying from Denver to San Antonio.

What are the cheapest flights from Denver to San Antonio?

Looking at all options, your cheapest flight can be booked for $28. While the most popular route (Denver Intl - San Antonio) can be booked for $118 on average our data indicates $310 when flying from Denver to San Antonio.

What are the most reliable airlines from Denver to San Antonio?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to San Antonio on time: United Airlines (94%), SkyWest Airlines (93%), Air Canada (92%).

COVID Restrictions

View COVID Travel Restrictions for San Antonio, TX

Do I need a COVID test to fly to San Antonio from Denver?

Information is based on travel restrictions for travel to San Antonio within the United States

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Antonio.

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Antonio.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering San Antonio.

Do I need a test to fly back to Denver from San Antonio?

Returning to Denver Intl from San Antonio

COVID-19 testing requirements
Visitors from San Antonio must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for San Antonio, TX

Alternative routes for Denver to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Denver to San Antonio.
Flight duration from DEN to SAT
2h 17m

Airports servicing Denver

Airports servicing San Antonio

Top 4 airlines flying from Denver Intl to San Antonio

The chart below displays the airlines Cheapflights users traveling from Denver to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$43 $128 No cancel fee 62%
American Airlines
$57 $184 No cancel fee 71%
Delta
$77 $224 No cancel fee N/A
United Airlines
$78 $249 No cancel fee 69%

Hourly flight availability from Denver to San Antonio

See what time of day planes typically take off from Denver towards San Antonio.
Morning 6 AM to noon 42% of DEN to SAT departures
Afternoon Noon to 6 PM 39% of DEN to SAT departures
Evening 6 PM to midnight 18% of DEN to SAT departures
Early morning Midnight to 6 AM 1% of DEN to SAT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to San Antonio
See how many times per day planes take to the skies headed from Denver to San Antonio.
Sunday
2 daily flights
Monday
11 daily flights
Tuesday
13 daily flights
Wednesday
9 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
2 daily flights
Home North America USA Texas San Antonio Cheap flights from Denver to San Antonio