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

8 flights are operational daily from San Antonio to District of Columbia as of September 2025. The most popular departure time for this route is 12:00PM, with 53% of flights per day taking off at noon.

What airlines fly to District of Columbia?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to District of Columbia from San Antonio according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 7 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between San Antonio and District of Columbia is 58 per week as of September 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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

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

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

Prices for flights from San Antonio Airport to District of Columbia are updated daily.

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

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

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

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 San Antonio Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$72 Cheap Flights from San Antonio to District of Columbia in 2025/26

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:35 pm - 8:20 pmSAT-IAD

25h 45m1 stop

11:12 am - 10:27 pmIAD-SAT

12h 15m1 stop

$217Multiple Airlines

Find Deal

lun., nov. 10 - jue., nov. 20

8:26 pm - 3:17 pmSAT-IAD

17h 51m2 stops

6:15 am - 4:52 pmIAD-SAT

11h 37m1 stop

$219Frontier

Find Deal

vie., oct. 24 - dom., oct. 26

6:50 am - 12:35 pmSAT-DCA

4h 45m1 stop

2:40 pm - 6:55 pmDCA-SAT

5h 15m1 stop

$248Southwest

Find Deal

mié., dic. 10 - mar., dic. 16

7:00 am - 11:11 amSAT-IAD

3h 11mnonstop

8:20 am - 11:11 amIAD-SAT

3h 51mnonstop

$249United Airlines

Find Deal

mié., dic. 10 - mar., dic. 16

6:48 am - 11:00 amSAT-DCA

3h 12mnonstop

7:44 pm - 10:35 pmDCA-SAT

3h 51mnonstop

$249American Airlines

Find Deal

mié., dic. 10 - mar., dic. 16

6:50 am - 12:35 pmSAT-DCA

4h 45m1 stop

7:55 am - 2:00 pmDCA-SAT

7h 05m1 stop

$252Southwest

Find Deal

mié., dic. 10 - mié., dic. 17

7:00 am - 4:30 pmSAT-IAD

8h 30m1 stop

8:20 am - 11:11 amIAD-SAT

3h 51mnonstop

$253United Airlines

Find Deal

mié., dic. 10 - mar., dic. 16

4:35 pm - 11:08 pmSAT-IAD

5h 33m1 stop

10:08 am - 3:46 pmIAD-SAT

6h 38m1 stop

$263Delta

Find Deal

mié., dic. 3 - lun., dic. 8

11:35 am - 6:59 pmSAT-DCA

6h 24m1 stop

6:10 am - 11:50 amDCA-SAT

6h 40m1 stop

$263Delta

Find Deal

mar., oct. 28 - vie., oct. 31

6:50 am - 10:59 amSAT-DCA

3h 09mnonstop

11:59 am - 8:10 pmDCA-SAT

9h 11m1 stop

$266American Airlines

Find Deal

sáb., nov. 8 - mar., nov. 11

Frontier flights from San Antonio to District of Columbia

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

Frontier

Oct 24

SAT8:26 pmSan Antonio

17h 51m

2 stops

IAD3:17 pmWashington, D.C. Dulles Intl

Oct 26

IAD6:15 amWashington, D.C. Dulles Intl

11h 37m

1 stop

SAT4:52 pmSan Antonio

$219

Find similar

Frontier

Nov 14

SAT5:35 pmSan Antonio

5h 36m

1 stop

IAD12:11 amWashington, D.C. Dulles Intl

Nov 17

IAD6:00 amWashington, D.C. Dulles Intl

11h 40m

1 stop

SAT4:40 pmSan Antonio

$228

Find similar

Frontier

Oct 24

SAT8:26 pmSan Antonio

17h 51m

2 stops

IAD3:17 pmWashington, D.C. Dulles Intl

Oct 26

IAD6:15 amWashington, D.C. Dulles Intl

11h 37m

1 stop

SAT4:52 pmSan Antonio

$231

Find similar

United Airlines flights from San Antonio to District of Columbia

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

United Airlines

Dec 10

SAT7:00 amSan Antonio

3h 11m

IAD11:11 amWashington, D.C. Dulles Intl

Dec 16

IAD8:20 amWashington, D.C. Dulles Intl

3h 51m

SAT11:11 amSan Antonio

$249

Find similar

United Airlines

Dec 10

SAT7:00 amSan Antonio

8h 30m

1 stop

IAD4:30 pmWashington, D.C. Dulles Intl

Dec 16

IAD8:20 amWashington, D.C. Dulles Intl

3h 51m

SAT11:11 amSan Antonio

$253

Find similar

United Airlines

Dec 10

SAT2:22 pmSan Antonio

6h 53m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

Dec 17

IAD5:15 pmWashington, D.C. Dulles Intl

6h 44m

1 stop

SAT10:59 pmSan Antonio

$257

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

lun. 11/10

5:35 pm-8:20 pm

1 stop25h 45m

Washington, D.C. Dulles Intl

jue. 11/20

11:12 am-10:27 pm

1 stop12h 15m

$217

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

vie. 10/24

8:26 pm-3:17 pm

2 stops17h 51m

Washington, D.C. Dulles Intl

dom. 10/26

6:15 am-4:52 pm

1 stop11h 37m

$219

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 12/10

6:50 am-12:35 pm

1 stop4h 45m

Washington, D.C. Reagan-National

mar. 12/16

2:40 pm-6:55 pm

1 stop5h 15m

$248

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

mié. 12/10

7:00 am-11:11 am

Nonstop3h 11m

Washington, D.C. Dulles Intl

mar. 12/16

8:20 am-11:11 am

Nonstop3h 51m

$249

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 12/10

6:48 am-11:00 am

Nonstop3h 12m

Washington, D.C. Reagan-National

mar. 12/16

7:44 pm-10:35 pm

Nonstop3h 51m

$249

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mié. 12/10

6:50 am-12:35 pm

1 stop4h 45m

Washington, D.C. Reagan-National

mié. 12/17

7:55 am-2:00 pm

1 stop7h 05m

$252

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

mié. 12/10

7:00 am-4:30 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

mar. 12/16

8:20 am-11:11 am

Nonstop3h 51m

$253

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

mié. 12/3

4:35 pm-11:08 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

lun. 12/8

10:08 am-3:46 pm

1 stop6h 38m

$263

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

mar. 10/28

11:35 am-6:59 pm

1 stop6h 24m

Washington, D.C. Reagan-National

vie. 10/31

6:10 am-11:50 am

1 stop6h 40m

$263

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

sáb. 11/8

6:50 am-10:59 am

Nonstop3h 09m

Washington, D.C. Reagan-National

mar. 11/11

11:59 am-8:10 pm

1 stop9h 11m

$266

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

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 District of Columbia?

In general, June is the cheapest month to fly from San Antonio to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $264. If you don’t want to visit District of Columbia in June, then you should wait until August to fly from San Antonio, when ticket prices are also cheap, with an average price of $271.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $413. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $673.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from San Antonio at noon is the least expensive time of day to depart. momondo users have found prices as low as $308 when looking at flights departing at noon. Flights to District of Columbia are more costly in the afternoon, with an average ticket price of $987. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from San Antonio for as low as $250 on momondo.

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

There are 4 cabin classes available to choose from on San Antonio to District of Columbia 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 San Antonio to District of Columbia flights?

You could potentially save up to 12% on your flight if you consider stops on a San Antonio to District of Columbia flight.

Cheap San Antonio to District of Columbia flight deals and tips

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

Best Price Found	$158
Fastest flight time	3h 09m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from San Antonio in the past 72 hours is $158. The best round-trip flight deal from San Antonio to District of Columbia found on momondo in the last 72 hours is $258.

The fastest flight from San Antonio to District of Columbia takes 3h 09m

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

There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

Search flight deals

When did momondo last update prices for flights from San Antonio Airport to District of Columbia?
Prices for flights from San Antonio Airport to District of Columbia are updated daily.
How many operators does momondo search for flights from San Antonio Airport to District of Columbia?
The number of operators available for flights from San Antonio Airport to District of Columbia is 4 as of September 2025.
How old do you have to be to fly from San Antonio Airport to District of Columbia?
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 San Antonio Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to District of Columbia?
Based on momondo bookings for flights between San Antonio and District of Columbia, the leading plane model is Boeing 737-900, making up 26.05% of the total bookings. Other popular models include Boeing 737-800 with 17.93%, Airbus A319 with 12.66%, and Boeing 737-700 with 7.81%.

Best airlines flying from San Antonio to District of Columbia

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $96	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $107	Free Cancellation	Rating 6.3 8,030 reviews	Search Spirit Airlines flights
Delta	PriceFrom $195	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
American Airlines	PriceFrom $202	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $204	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

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

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 San Antonio to District of Columbia for you.

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

Yes. momondo enables you to select and highlight flights to District of Columbia from San Antonio with this policy.

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

Once all potential San Antonio to District of Columbia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your District of Columbia 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.

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sáb. 10/25

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Popular cities in District of Columbia

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Flights to Washington, D.C.from $49

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Cheap flights from San Antonio to District of Columbia from $72

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Filter for what you want

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Find the cheapest flights from San Antonio to District of Columbia

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Frontier flights from San Antonio to District of Columbia

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

United Airlines flights from San Antonio to District of Columbia

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

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

See travel insights to District of Columbia from

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

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 District of Columbia?

What is the cheapest day to depart on your flight to District of Columbia?

What is the cheapest time of day to depart on your flight to District of Columbia?

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

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

How far in advance should I book a flight to District of Columbia?

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

There are 4 cabin classes available to choose from on San Antonio to District of Columbia 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 San Antonio to District of Columbia flights?

You could potentially save up to 12% on your flight if you consider stops on a San Antonio to District of Columbia flight.

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

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

What airlines fly to District of Columbia?

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

8 flights are operational daily from San Antonio to District of Columbia as of September 2025. The most popular departure time for this route is 12:00PM, with 53% of flights per day taking off at noon.

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

The number of flights available between San Antonio and District of Columbia is 58 per week as of September 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Cheap San Antonio to District of Columbia flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in District of Columbia

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

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

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

What documentation or ID do you need to fly to District of Columbia?

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

Best airlines flying from San Antonio to District of Columbia

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

Why use momondo?

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

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

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

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

An easier way to manage your District of Columbia 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 District of Columbia

Popular cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo