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$49+ Cheap flights from Denver to San Antonio (DEN - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SAT
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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The best prices from Denver Intl to San Antonio are usually found in August or June, booked 70 days in advance, depart on a Wednesday or Monday and return on a Saturday

Cheap flight deals from Denver to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$96
(Cheapflightsfares)

One-way from

$49
(Frontier)

Popular in

December

Cheapest in

August

Average price

$307
Provider with most accurate pricing for Denver Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-San Antonio flights.
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From Denver Intl to San Antonio
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One-way flight from Denver Intl to San Antonio
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Denver to San Antonio

Cheapest flights from Denver to San Antonio
Explore the most affordable flight options available from Denver to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:14 amDEN - SAT
Nonstop2h 14mFrontier
Mon 1/65:51 pmSAT - DEN
1 stop30h 43mFrontier
Deal found 12/22$255
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/291:39 pmDEN - SAT
Nonstop2h 14mUnited Airlines
Wed 1/81:05 pmSAT - DEN
Nonstop2h 24mUnited Airlines
Deal found 12/22$518
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/292:00 pmDEN - SAT
1 stop8h 56mDelta
Tue 1/72:30 pmSAT - DEN
1 stop5h 51mDelta
Deal found 12/22$552
This Mytrip deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:50 pmDEN - SAT
2 stops26h 20mMultiple Airlines
Wed 1/18:25 amSAT - DEN
3 stops30h 05mMultiple Airlines
Deal found 12/22$591
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/272:30 pmDEN - SAT
1 stop4h 14mAmerican Airlines
Tue 12/319:19 amSAT - DEN
1 stop7h 39mAmerican Airlines
Deal found 12/22$696
This Southwest deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/271:45 pmDEN - SAT
1 stop5h 25mSouthwest
Fri 1/39:40 amSAT - DEN
2 stops6h 05mSouthwest
Deal found 12/22$797

Find flights from Denver to San Antonio within your budget

Customize your flight search to find flights from Denver to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 1/16

8:43 am-12:02 pm

Nonstop2h 19m

San Antonio

Mon 1/20

1:02 pm-2:25 pm

Nonstop2h 23m

$96

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sat 2/15

4:47 pm-11:07 pm

1 stop5h 20m

San Antonio

Sun 2/16

6:14 pm-10:09 pm

1 stop4h 55m

$207

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Mon 1/27

6:05 pm-12:40 am

1 stop5h 35m

San Antonio

Wed 1/29

5:30 am-12:48 pm

1 stop8h 18m

$216

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Wed 1/8

12:11 pm-4:33 am

2 stops39h 22m

San Antonio

Sun 1/12

7:00 am-2:53 pm

2 stops32h 53m

$228

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Thu 1/16

9:15 am-12:25 pm

Nonstop2h 10m

San Antonio

Tue 1/21

6:20 pm-7:40 pm

Nonstop2h 20m

$258

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 1/14

5:49 pm-9:03 pm

Nonstop2h 14m

San Antonio

Fri 1/17

7:10 pm-11:44 pm

1 stop5h 34m

$267

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Mon 1/20

8:43 am-12:02 pm

Nonstop2h 19m

$49

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Tue 2/18

6:05 pm-12:40 am

1 stop5h 35m

$98

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Sat 2/15

4:47 pm-11:07 pm

1 stop5h 20m

$99

DenverSan Antonio

DEN - SAT

DENSAT

Denver Intl

Wed 2/26

9:54 am-1:10 pm

Nonstop2h 16m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 13 results
1
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Compare providers for flights from Denver to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to San Antonio in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Denver to San Antonio

Get recent, data-driven insights about flights from Denver to San Antonio including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to San Antonio. Price data was last updated on December 20, 2024.

To ensure you get the cheapest price possible for a flight from Denver to San Antonio, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Denver to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Denver to San Antonio (average of $295). Flying from Denver to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to SAT?

Find hourly flight availability from Denver to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2024.

It’s optimal to fly from Denver to San Antonio in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to San Antonio flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to San Antonio

Explore weekly flight availability from Denver to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 23, 2024.

The most flights from DEN to SAT are scheduled on a Saturday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated December 23, 2024.
Read reviews from past customers who have flown American Airlines, Delta and United Airlines from Denver to San Antonio. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,780 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,780 reviews
Southwest
8.1
Very good
4,780 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,555 reviews
Southwest
8.1
Very good
4,780 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,588 reviews
Southwest
8.1
Very good
4,780 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
9,022 reviews
Southwest
8.1
Very good
4,780 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,780 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Denver to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 12 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.

  • How popular is this Denver to San Antonio flight route?

    This flight path from Denver Intl to San Antonio was viewed by 60 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $96, 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 American Airlines and Delta - these airlines can fly you to your destination from $207 and $216, respectively. Users have found that Frontier is 54% 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 $49. Delta flights start at $98 while deals on American Airlines start at $99 one-way.

  • 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: Lufthansa (87%), Air Canada (86%), United Airlines (86%).

  • What are the cheapest flights from Denver to San Antonio?

    Looking at all options, your cheapest flight can be booked for $47. While the most popular route (Denver Intl - San Antonio) can be booked for $140 on average our data indicates $218 when flying from Denver to San Antonio.

  • Can I find deals for flights from Denver to San Antonio that include hotel bookings?

    Yes. In addition to deals on Denver to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to San Antonio.

  • Can I find deals for business class flights from Denver to San Antonio?

    Yes. Cheapflights offers flight deals from Denver to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Denver to San Antonio (average of $295). Flying from Denver to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from Denver to San Antonio

Discover the top 5 airlines that operate flights from Denver to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$127FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$149Average$299FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$178Average$307FlexibilityNo cancel feeOn-time63%
DeltaCheapest$196Average$235FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$350FlexibilityNo cancel feeOn-time71%
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