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 41% 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?

63 flights are operational weekly from District of Columbia to San Antonio as of July 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

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

American Airlines, United Airlines, and Frontier are the most popular carriers operating from District of Columbia to San Antonio

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

As of July 2025, 9 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 47% of daily flights taking off in the afternoon.

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 5 as of July 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.

$95 Cheap Flights from District of Columbia to San Antonio in 2025

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Find the cheapest flights from District of Columbia to San Antonio

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:59 pm - 10:36 pmDCA-SAT

3h 37mnonstop

6:35 am - 10:55 amSAT-DCA

3h 20mnonstop

$189American Airlines

Find Deal

Wed, Sep 3 - Tue, Sep 9

8:25 am - 10:56 amIAD-SAT

3h 31mnonstop

7:00 am - 11:19 amSAT-IAD

3h 19mnonstop

$189United Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

7:45 pm - 10:16 pmDCA-SAT

3h 31mnonstop

6:35 am - 10:55 amSAT-DCA

3h 20mnonstop

$190American Airlines

Find Deal

Thu, Aug 28 - Thu, Sep 4

6:00 am - 12:15 pmDCA-SAT

7h 15m1 stop

10:10 am - 4:10 pmSAT-DCA

5h 00m1 stop

$204Southwest

Find Deal

Wed, Aug 27 - Sun, Aug 31

6:05 am - 10:25 amDCA-SAT

5h 20m1 stop

2:05 pm - 8:55 pmSAT-DCA

5h 50m1 stop

$209Southwest

Find Deal

Wed, Sep 3 - Sat, Sep 6

6:10 am - 4:52 pmIAD-SAT

11h 42m1 stop

5:38 pm - 9:34 pmSAT-IAD

26h 56m1 stop

$231Frontier

Find Deal

Fri, Aug 15 - Mon, Aug 18

6:00 am - 1:04 pmDCA-SAT

8h 04m1 stop

1:37 pm - 8:41 pmSAT-DCA

6h 04m1 stop

$237Delta

Find Deal

Sat, Sep 13 - Mon, Sep 15

6:00 am - 12:24 pmIAD-SAT

7h 24m1 stop

8:00 am - 2:31 pmSAT-IAD

5h 31m1 stop

$237Delta

Find Deal

Wed, Sep 3 - Tue, Sep 9

11:58 am - 4:33 pmIAD-SAT

5h 35m1 stop

7:10 am - 9:23 amSAT-IAD

25h 13m2 stops

$274

Find Deal

Sun, Aug 3 - Sun, Aug 10

6:10 am - 4:52 pmIAD-SAT

11h 42m1 stop

3:06 pm - 6:34 amSAT-IAD

14h 28m1 stop

$277Frontier

Find Deal

Mon, Aug 11 - Sat, Aug 16

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

Aug 21

IAD8:25 amWashington, D.C. Dulles Intl

3h 31m

SAT10:56 amSan Antonio

Aug 25

SAT7:00 amSan Antonio

3h 19m

IAD11:19 amWashington, D.C. Dulles Intl

$189

Find similar

United Airlines

Aug 21

IAD8:25 amWashington, D.C. Dulles Intl

3h 31m

SAT10:56 amSan Antonio

Aug 26

SAT8:55 amSan Antonio

6h 48m

1 stop

IAD4:43 pmWashington, D.C. Dulles Intl

$195

Find similar

United Airlines

Aug 21

IAD8:25 amWashington, D.C. Dulles Intl

3h 31m

SAT10:56 amSan Antonio

Aug 25

SAT6:30 amSan Antonio

6h 19m

1 stop

IAD1:49 pmWashington, D.C. Dulles Intl

$199

Find similar

Delta flights from District of Columbia to San Antonio

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

Delta

Sep 13

DCA6:00 amWashington, D.C. Reagan-National

8h 04m

1 stop

SAT1:04 pmSan Antonio

Sep 15

SAT1:37 pmSan Antonio

6h 04m

1 stop

DCA8:41 pmWashington, D.C. Reagan-National

$237

Find similar

Delta

Aug 17

IAD6:00 amWashington, D.C. Dulles Intl

5h 32m

1 stop

SAT10:32 amSan Antonio

Aug 21

SAT6:11 pmSan Antonio

5h 10m

1 stop

IAD12:21 amWashington, D.C. Dulles Intl

$253

Find similar

Delta

Aug 8

IAD7:36 pmWashington, D.C. Dulles Intl

5h 38m

1 stop

SAT12:14 amSan Antonio

Aug 11

SAT4:36 pmSan Antonio

5h 19m

1 stop

IAD10:55 pmWashington, D.C. Dulles Intl

$258

Find similar

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 May, then book flights to San Antonio from District of Columbia during August instead. Flights to San Antonio in August, while not as cheap as those in May, still average around $340.

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 $373. 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 $495.

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 $318. 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 $428. 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 Baltimore/Washington 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 $406 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 $330 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?

No. A direct flight is the cheapest option for a flight between District of Columbia to San Antonio.

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	$95
Fastest flight time	3h 30m
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 $95. The best round-trip flight deal from District of Columbia to San Antonio found on momondo in the last 72 hours is $189.

The fastest flight from District of Columbia to San Antonio takes 3h 30m

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 5 as of July 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 737-900 (24.91% of total bookings). The next most popular plane models are Airbus A321-100/200 (15.11%), Boeing 737 MAX 8 (11.36%), and Boeing 737-700 (8.49%).

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 5.9 3,256 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $121	Free Cancellation	Rating 6.3 8,043 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $162	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $196	Free Cancellation	Rating 8.0 4,239 reviews	Search Southwest flights
Delta	PriceFrom $238	Free Cancellation	Rating 8.0 7,959 reviews	Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 8,863 reviews	Search United Airlines flights

New Braunfels

Kerrville

Boerne

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 $95

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United Airlines flights from District of Columbia to San Antonio

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

Delta flights from District of Columbia to San Antonio

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

See travel insights to San Antonio from

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 May, then book flights to San Antonio from District of Columbia during August instead. Flights to San Antonio in August, while not as cheap as those in May, still average around $340.

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 Baltimore/Washington 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?

No. A direct flight is the cheapest option for a flight between District of Columbia to San Antonio.

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

American Airlines, United Airlines, and Frontier 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 July 2025, 9 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 47% of daily flights taking off in the afternoon.

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

63 flights are operational weekly from District of Columbia to San Antonio as of July 2025. The most popular departure day for this route is Mon, with 17% 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