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

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

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

DEN - SAT
Price
$90 - $237

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 to San Antonio

One-way from

$83

One-way flight from Denver 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 day to fly round-trip from Denver to San Antonio?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 34% on the overall cost on flights from Denver to San Antonio.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 30 days in advance, which can save you up to 88% on flights from Denver to San Antonio compared to booking the week you need them. Waiting 30 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $349. For sooner than that we have options available in the next 3 days from $526.

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

When flying from Denver to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight in the afternoon.

Cheap flights from Denver to San Antonio in November, December 2020

The best prices found for DEN to SAT flights for November, December
25 Dec - 1 Jan
$77pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
4 Dec - 6 Dec
$87pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
2 Dec - 4 Dec
$92pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
DEN
Denver Intl

Denver to San Antonio 2021 flight deals

Cheap flights to San Antonio from Denver found for next year
25 Dec - 1 Jan
$77pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
4 Dec - 6 Dec
$87pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
2 Dec - 4 Dec
$92pp
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
14 Jan - 17 Jan
$57pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
25 Dec - 1 Jan
$77pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
14 Jan - 17 Jan
$87pp
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
4 Dec - 6 Dec
$87pp
DEN
Denver Intl
Frontier
Non-Stop
SAT
San Antonio
SAT
San Antonio
Frontier
Non-Stop
DEN
Denver Intl
2 Dec - 4 Dec
$92pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
DEN
Denver Intl
2 Dec - 7 Dec
$97pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
DEN
Denver Intl

One-way flights to San Antonio from Denver

The cheapest one-way flights from Denver to San Antonio
4:30 am - 10:42 am
American Airlines
1 Stop
5h 12m
DEN - SAT
American Airlines
10:40 am - 1:47 pm
United Airlines
Nonstop
2h 07m
DEN - SAT
United Airlines
$104
United
2:05 am - 5:22 am
Frontier
Nonstop
2h 17m
DEN - SAT
Frontier
$109
FlightNetwork

Related info for your journey

Useful info, stats and facts about Denver to San Antonio flights.

Flight FAQs

From Denver to San Antonio

Are flight prices decreasing from Denver to San Antonio due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Denver and San Antonio for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Denver Intl to San Antonio to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Denver Intl to San Antonio are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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 $100 on Cheapflights?

Yes, there are multiple flights from Denver to San Antonio for under $100. The cheapest flight booked recently is on Frontier for just $57, but on average you can expect to pay $114.

Are there nonstop flights from Denver to San Antonio for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to San Antonio under $100. A good price for a nonstop flight from Denver to San Antonio is less than $135.

Are there last-minute flights available from Denver to San Antonio for under $100?

There are currently 20+ open flights from Denver to San Antonio within the next 7 days for less than $100.

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

You can find nonstop flights on the following days: Tuesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 220 users have taken a look at flights from Denver Intl to San Antonio.

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

On average 9 flights depart from Denver Intl to San Antonio per day.
Morning (6am - Noon) - 67% of flight departures
Afternoon (Noon - 6pm) - 11% of flight departures
Evening (6pm - Midnight) - 22% of flight departures

Does it rain more in Denver or San Antonio?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Denver is roughly less than San Antonio. You can assume this to be the case over the next 6 days.

Is Denver weather warmer or cooler than San Antonio?

Our data indicates that the weather will be 97 °F on average in the month of August. The temperature in San Antonio is typically hotter than in Denver. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Denver to San Antonio?

Departing from Denver to San Antonio will take you 2h 10m. Denver and San Antonio are separated by a distance of 799 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Frontier, at $57, was found to be the cheapest airline from Denver to San Antonio.Alternate airlines to your destination round-trip include American Airlines and Delta. Users have found that Frontier is 69% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Denver to San Antonio are Frontier ($29), American Airlines ($54), and Delta ($79).

Alternative routes for Denver to San Antonio

Destination information for San Antonio

Things to know before you go. Useful info for your trip from Denver to San Antonio
Flight duration
2h 16m

Airports servicing Denver

Airports servicing San Antonio

Top 4 airlines from Denver 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

Afternoon Noon to 6 PM 58% of DEN to SAT departures
Morning 6 AM to noon 42% of DEN to SAT departures
Early morning Midnight to 6 AM 0% of DEN to SAT departures
Evening 6 PM to midnight 0% of DEN to SAT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to San Antonio
Sunday
8 daily flights
Monday
12 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
0 flights
Friday
6 daily flights
Saturday
4 daily flights
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