What airlines fly to San Antonio?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to San Antonio from District of Columbia according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

How many flights depart from District of Columbia to San Antonio on average per week?

56 flights are operational weekly from District of Columbia to San Antonio as of November 2025. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.

How many flights depart from District of Columbia to San Antonio on average per day?

As of November 2025, 8 flights take off from District of Columbia and land in San Antonio each day. The most common flight departure time for this route is 5:00PM, with 50% of daily flights taking off in the afternoon.

What is the cheapest airline that flies from District of Columbia to San Antonio?

Frontier, Delta, and Southwest are the most popular carriers operating from District of Columbia to San Antonio

When did momondo last update prices for flights from District of Columbia to San Antonio Airport?

Prices for flights from District of Columbia to San Antonio Airport are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to San Antonio Airport?

The number of operators available for flights from District of Columbia to San Antonio Airport is 4 as of November 2025.

How old do you have to be to fly from District of Columbia to San Antonio Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$64 Cheap Flights from District of Columbia to San Antonio in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 pm - 8:15 pmIAD-SAT

3h 50mnonstop

1:34 pm - 9:24 pmSAT-IAD

6h 50m1 stop

$259United Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 8

8:00 am - 6:58 pmDCA-SAT

11h 58m1 stop

5:40 am - 1:06 pmSAT-DCA

30h 26m2 stops

$262Multiple Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

2:40 pm - 9:55 pmDCA-SAT

8h 15m1 stop

6:50 am - 12:35 pmSAT-DCA

4h 45m1 stop

$264Southwest

Find Deal

Wed, Dec 10 - Tue, Dec 16

9:58 pm - 12:17 amIAD-SAT

51h 19m2 stops

5:56 pm - 11:38 amSAT-IAD

16h 42m1 stop

$264Frontier

Find Deal

Mon, Dec 22 - Fri, Jan 2

2:00 pm - 9:18 amDCA-SAT

20h 18m1 stop

10:13 am - 9:59 pmSAT-DCA

10h 46m1 stop

$266Frontier

Find Deal

Fri, Feb 13 - Sun, Feb 15

6:00 am - 10:56 amIAD-SAT

5h 56m1 stop

6:22 pm - 12:12 amSAT-IAD

4h 50m1 stop

$269Delta

Find Deal

Fri, Dec 5 - Thu, Dec 11

7:59 pm - 11:05 pmDCA-SAT

4h 06mnonstop

6:48 am - 11:00 amSAT-DCA

3h 12mnonstop

$279American Airlines

Find Deal

Tue, Dec 2 - Sun, Dec 7

5:37 pm - 8:46 pmDCA-SAT

4h 09mnonstop

6:00 am - 10:14 amSAT-DCA

3h 14mnonstop

$283American Airlines

Find Deal

Thu, Feb 26 - Sun, Mar 1

6:05 am - 11:55 amDCA-SAT

6h 50m2 stops

5:50 pm - 11:55 pmSAT-DCA

5h 05m1 stop

$288Southwest

Find Deal

Wed, Dec 17 - Tue, Dec 23

6:02 am - 10:56 amDCA-SAT

5h 54m1 stop

11:36 am - 6:26 pmSAT-DCA

5h 50m1 stop

$289Delta

Find Deal

Fri, Dec 12 - Sun, Dec 14

United Airlines flights from District of Columbia to San Antonio

Our best United Airlines deals on District of Columbia to San Antonio flight tickets

United Airlines

Dec 6

IAD5:25 pmWashington, D.C. Dulles Intl

3h 50m

SAT8:15 pmSan Antonio

Dec 8

SAT1:34 pmSan Antonio

6h 50m

1 stop

IAD9:24 pmWashington, D.C. Dulles Intl

$259

Find similar

United Airlines

Dec 12

DCA4:34 pmWashington, D.C. Reagan-National

5h 58m

1 stop

SAT9:32 pmSan Antonio

Dec 15

SAT5:59 pmSan Antonio

4h 45m

1 stop

DCA11:44 pmWashington, D.C. Reagan-National

$269

Find similar

United Airlines

Dec 16

IAD8:20 amWashington, D.C. Dulles Intl

3h 51m

SAT11:11 amSan Antonio

Dec 26

SAT5:59 pmSan Antonio

4h 50m

1 stop

IAD11:49 pmWashington, D.C. Dulles Intl

$276

Find similar

Southwest flights from District of Columbia to San Antonio

Our best Southwest deals on District of Columbia to San Antonio flight tickets

Southwest

Dec 10

DCA2:40 pmWashington, D.C. Reagan-National

8h 15m

1 stop

SAT9:55 pmSan Antonio

Dec 16

SAT6:50 amSan Antonio

4h 45m

1 stop

DCA12:35 pmWashington, D.C. Reagan-National

$264

Find similar

Southwest

Dec 17

DCA6:05 amWashington, D.C. Reagan-National

6h 50m

2 stops

SAT11:55 amSan Antonio

Dec 23

SAT5:50 pmSan Antonio

5h 05m

1 stop

DCA11:55 pmWashington, D.C. Reagan-National

$288

Find similar

Southwest

Feb 7

IAD7:00 amWashington, D.C. Dulles Intl

13h 55m

1 stop

SAT7:55 pmSan Antonio

Feb 10

SAT12:25 pmSan Antonio

8h 30m

2 stops

IAD9:55 pmWashington, D.C. Dulles Intl

$294

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 12/6

5:25 pm-8:15 pm

Nonstop3h 50m

San Antonio

Mon 12/8

1:34 pm-9:24 pm

1 stop6h 50m

$259

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 12/4

8:00 am-6:58 pm

1 stop11h 58m

San Antonio

Mon 12/8

5:40 am-1:06 pm

2 stops30h 26m

$262

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 12/10

2:40 pm-9:55 pm

1 stop8h 15m

San Antonio

Tue 12/16

6:50 am-12:35 pm

1 stop4h 45m

$264

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Mon 12/22

9:58 pm-12:17 am

2 stops51h 19m

San Antonio

Fri 1/2

5:56 pm-11:38 am

1 stop16h 42m

$264

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 2/13

2:00 pm-9:18 am

1 stop20h 18m

San Antonio

Sun 2/15

10:13 am-9:59 pm

1 stop10h 46m

$266

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 12/5

6:00 am-10:56 am

1 stop5h 56m

San Antonio

Thu 12/11

6:22 pm-12:12 am

1 stop4h 50m

$269

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Tue 12/2

7:59 pm-11:05 pm

Nonstop4h 06m

San Antonio

Sun 12/7

6:48 am-11:00 am

Nonstop3h 12m

$279

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 2/26

5:37 pm-8:46 pm

Nonstop4h 09m

San Antonio

Sun 3/1

6:00 am-10:14 am

Nonstop3h 14m

$283

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 12/17

6:05 am-11:55 am

2 stops6h 50m

San Antonio

Tue 12/23

5:50 pm-11:55 pm

1 stop5h 05m

$288

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 12/12

6:02 am-10:56 am

1 stop5h 54m

San Antonio

Sun 12/14

11:36 am-6:26 pm

1 stop5h 50m

$289

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How to get the cheapest flight ticket from District of Columbia to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from District of Columbia during October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $317.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $507.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from District of Columbia to San Antonio in the evening for as low as $316. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $416. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest District of Columbia to San Antonio flight route?

Fly from Washington, D.C. Reagan-National to San Antonio for the best District of Columbia - San Antonio flight prices

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

You are more likely to see cheaper flights to San Antonio from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from District of Columbia for as low as $309 on momondo.

What cabin class options are available on District of Columbia to San Antonio flights?

There are 4 cabin classes available to choose from on District of Columbia to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to San Antonio flights?

You could potentially save up to 49% on your flight if you consider stops on a District of Columbia to San Antonio flight.

Cheap District of Columbia to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to San Antonio

Best Price Found	$148
Fastest flight time	3h 40m
Direct flights	Every day
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from District of Columbia in the past 72 hours is $148. The best round-trip flight deal from District of Columbia to San Antonio found on momondo in the last 72 hours is $322.

The fastest flight from District of Columbia to San Antonio takes 3h 40m

Direct flights go from District of Columbia to San Antonio every day.

There is 1 airport near San Antonio: San Antonio (SAT)

Search flight deals

When did momondo last update prices for flights from District of Columbia to San Antonio Airport?
Prices for flights from District of Columbia to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to San Antonio Airport?
The number of operators available for flights from District of Columbia to San Antonio Airport is 4 as of November 2025.
How old do you have to be to fly from District of Columbia to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to San Antonio?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to San Antonio is Boeing 737-800 (31.61% of total bookings). The next most popular plane models are Boeing 737-900 (22.95%), Airbus A319 (12.52%), and Boeing 737 MAX 8 (9.57%).

Best airlines flying from District of Columbia to San Antonio

Compare and see reviews for airlines that fly from District of Columbia to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $86	Free Cancellation	Rating 5.8 3,109 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $114	Free Cancellation	Rating 6.3 8,138 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $158	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Southwest	PriceFrom $181	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $240	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights

New Braunfels

Boerne

Kerrville

Schertz

Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to San Antonio?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to San Antonio for you.

Can I find flights from District of Columbia to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for District of Columbia to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from District of Columbia to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from District of Columbia.

I’m not ready to book a flight from District of Columbia to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from District of Columbia and alert you when they change.

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Cheap flights from District of Columbia to San Antonio from $64

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United Airlines flights from District of Columbia to San Antonio

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Use the filters below to find and compare flights from District of Columbia to San Antonio that are best for you.

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How to get the cheapest flight ticket from District of Columbia to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from District of Columbia during October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $317.

What is the cheapest day to depart on your flight to San Antonio?

What is the cheapest time of day to depart on your flight to San Antonio?

What is the cheapest District of Columbia to San Antonio flight route?

Fly from Washington, D.C. Reagan-National to San Antonio for the best District of Columbia - San Antonio flight prices

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

What cabin class options are available on District of Columbia to San Antonio flights?

There are 4 cabin classes available to choose from on District of Columbia to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to San Antonio flights?

You could potentially save up to 49% on your flight if you consider stops on a District of Columbia to San Antonio flight.

What is the cheapest airline that flies from District of Columbia to San Antonio?

Frontier, Delta, and Southwest are the most popular carriers operating from District of Columbia to San Antonio

What airlines fly to San Antonio?

How many flights depart from District of Columbia to San Antonio on average per day?

As of November 2025, 8 flights take off from District of Columbia and land in San Antonio each day. The most common flight departure time for this route is 5:00PM, with 50% of daily flights taking off in the afternoon.

How many flights depart from District of Columbia to San Antonio on average per week?

56 flights are operational weekly from District of Columbia to San Antonio as of November 2025. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.

Cheap District of Columbia to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to San Antonio

Best Price Found

Fastest flight time

Direct flights

Airports in San Antonio

When did momondo last update prices for flights from District of Columbia to San Antonio Airport?

How many operators does momondo search for flights from District of Columbia to San Antonio Airport?

How old do you have to be to fly from District of Columbia to San Antonio Airport?

What documentation or ID do you need to fly to San Antonio Airport?

What is the most popular plane model from District of Columbia to San Antonio?

Best airlines flying from District of Columbia to San Antonio

Compare and see reviews for airlines that fly from District of Columbia to San Antonio with momondo

Traveling to a place near San Antonio?

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to San Antonio?

Can I find flights from District of Columbia to San Antonio with flexible booking policies on momondo?

How can momondo help me find flights from District of Columbia to San Antonio?

I’m not ready to book a flight from District of Columbia to San Antonio right now. Can momondo alert me if prices change?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas