What are the cheapest airlines to fly from San Antonio to District of Columbia one-way?

$119 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $126 and $127, respectively.

What are the cheapest flights from San Antonio to District of Columbia?

On average you can expect to pay $1,074 for a flight from San Antonio to District of Columbia. The cheapest flight overall is $115 while the most popular route, (San Antonio - Washington, D.C. Dulles Intl) is currently priced at $229.

What are the most reliable airlines from San Antonio to District of Columbia?

The top 3 most reliable airlines when flying from San Antonio to District of Columbia are Air Canada (89%), United Airlines (82%) and Mesa Airlines (79%).

What are the most popular airlines that fly from San Antonio to District of Columbia?

When booking a flight from San Antonio to District of Columbia, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

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

Travelers have found it’s best to book a flight 36 days in advance to save up to 79% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 36 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Antonio to District of Columbia 1-2 weeks in advance for as low as $325, or $478 for flights within the next 24 hours.

What is the cheapest month to fly from San Antonio to District of Columbia?

Our data shows that August tends to be the cheapest month to fly to District of Columbia from San Antonio. Users have commonly found prices around $337 for the month, but tickets can be as low as $180. Due to multiple factors, prepare for potentially higher prices in November.

What airport do you fly from for flights from San Antonio to District of Columbia?

If you book a flight to District of Columbia from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

How can I find direct flights from San Antonio to District of Columbia?

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

Can I find deals for business class flights from San Antonio to District of Columbia?

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

$119+ Flights from San Antonio to District of Columbia

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Cheap flight deals from San Antonio to District of Columbia

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$205 (United Airlines)
One-way from	$119 (Delta)
Popular in	November
Cheapest in	August
Average price	$333
Good round-trip deal	$281 or less
Good one-way deal	$205 or less

Provider with most accurate pricing for San Antonio-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for San Antonio-Washington, D.C. (WAS) flights.

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From San Antonio to District of Columbia

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One-way flight from San Antonio to District of Columbia

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from San Antonio to District of Columbia.

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Price to beat on a one-way flight from San Antonio to District of Columbia.

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Find flight deals from San Antonio to District of Columbia

Cheapest flights from San Antonio to District of Columbia
Explore the most affordable flight options available from San Antonio to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Wed 5/2112:10 pmSAT - IAD

Nonstop3h 19mUnited Airlines

Sun 5/255:50 pmIAD - SAT

Nonstop3h 32mUnited Airlines

Deal found 4/29

$205

Wed 5/216:34 amSAT - DCA

Nonstop3h 21mAmerican Airlines

Wed 5/287:45 pmDCA - SAT

Nonstop3h 39mAmerican Airlines

Deal found 4/29

$205

Thu 5/151:43 pmSAT - IAD

1 stop15h 48mFrontier

Sun 5/185:26 pmIAD - SAT

1 stop27h 05mFrontier

Deal found 4/29

$228

Fri 5/93:22 pmSAT - DCA

1 stop29h 37mFrontier

Mon 5/127:00 amDCA - SAT

1 stop8h 17mFrontier

Deal found 4/29

$228

Sat 5/244:42 pmSAT - IAD

1 stop5h 53mDelta

Fri 5/306:00 amIAD - SAT

1 stop5h 35mDelta

Deal found 4/28

$237

Wed 5/2112:08 pmSAT - DCA

1 stop7h 28mDelta

Wed 5/286:00 amDCA - SAT

1 stop5h 35mDelta

Deal found 4/29

$243

Sat 6/285:56 pmSAT - DCA

1 stop5h 03mUnited Airlines

Wed 7/26:00 amDCA - SAT

1 stop8h 16mUnited Airlines

Deal found 4/29

$251

Wed 9/1711:15 amSAT - DCA

1 stop5h 00mSouthwest

Thu 9/186:55 amDCA - SAT

1 stop5h 05mSouthwest

Deal found 4/29

$264

Thu 6/122:57 pmSAT - IAD

2 stops28h 40mMultiple Airlines

Sun 6/1511:52 amIAD - SAT

1 stop6h 26mMultiple Airlines

Deal found 4/29

$276

Tue 5/276:05 pmSAT - IAD

1 stop4h 57mAmerican Airlines

Tue 6/35:07 pmIAD - SAT

1 stop6h 55mAmerican Airlines

Deal found 4/29

$329

Mon 7/285:20 amSAT - IAD

1 stop7h 00mSouthwest

Thu 8/77:35 amIAD - SAT

2 stops13h 55mSouthwest

Deal found 4/28

$330

Best flights from San Antonio to District of Columbia
Discover carefully curated flight deals from San Antonio to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Wed 5/2112:10 pmSAT - IAD

Nonstop3h 19mUnited Airlines

Sun 5/255:50 pmIAD - SAT

Nonstop3h 32mUnited Airlines

Deal found 4/29

$205

Wed 5/216:34 amSAT - DCA

Nonstop3h 21mAmerican Airlines

Wed 5/287:45 pmDCA - SAT

Nonstop3h 39mAmerican Airlines

Deal found 4/29

$205

Fri 5/3012:27 pmSAT - IAD

1 stop10h 05mFrontier

Mon 6/25:15 amIAD - SAT

1 stop7h 14mFrontier

Deal found 4/29

$218

Fri 5/305:20 amSAT - IAD

1 stop5h 38mDelta

Sat 6/76:00 pmIAD - SAT

1 stop7h 19mDelta

Deal found 4/29

$243

Fri 8/156:50 amSAT - IAD

1 stop7h 55mSouthwest

Fri 8/227:35 amIAD - SAT

1 stop8h 45mSouthwest

Deal found 4/29

$269

Thu 6/122:57 pmSAT - IAD

2 stops28h 40mMultiple Airlines

Sun 6/1511:52 amIAD - SAT

1 stop6h 26mMultiple Airlines

Deal found 4/29

$276

Fri 5/301:25 pmSAT - DCA

1 stop7h 16mDelta

Mon 6/26:00 amDCA - SAT

1 stop6h 13mDelta

Deal found 4/29

$243

Sat 6/285:56 pmSAT - DCA

1 stop5h 03mUnited Airlines

Wed 7/26:00 amDCA - SAT

1 stop8h 16mUnited Airlines

Deal found 4/29

$251

Thu 5/156:25 pmSAT - DCA

1 stop26h 34mFrontier

Sun 5/187:00 amDCA - SAT

1 stop13h 35mFrontier

Deal found 4/29

$268

Thu 5/228:12 amSAT - IAD

1 stop7h 44mAmerican Airlines

Sun 5/255:02 amIAD - SAT

1 stop6h 50mAmerican Airlines

Deal found 4/29

$329

Fri 7/46:00 amSAT - DCA

1 stop9h 40mSouthwest

Mon 7/76:10 amDCA - SAT

2 stops8h 10mSouthwest

Deal found 4/29

$334

Thu 5/297:28 pmSAT - DCA

1 stop20h 16mAlaska Airlines

Mon 6/29:59 amDCA - SAT

2 stops20h 11mAlaska Airlines

Deal found 4/29

$703

Last-minute flights from San Antonio to District of Columbia
Discover last-minute flight deals from San Antonio to District of Columbia. Data last updated April 30, 2025 and is based on user searches.

Tue 5/65:30 amSAT - IAD

1 stop4h 53mDelta

Wed 6/257:10 amIAD - SAT

1 stop5h 05mDelta

Deal found 4/28

$314

Tue 5/612:13 pmSAT - DCA

1 stop7h 21mDelta

Wed 6/257:35 pmDCA - SAT

1 stop5h 42mDelta

Deal found 4/29

$314

Tue 5/66:34 amSAT - DCA

Nonstop3h 21mAmerican Airlines

Wed 6/255:08 amDCA - SAT

1 stop5h 04mAmerican Airlines

Deal found 4/29

$355

Tue 5/67:34 amSAT - IAD

Nonstop3h 19mUnited Airlines

Wed 6/255:50 pmIAD - SAT

Nonstop3h 32mUnited Airlines

Deal found 4/28

$386

Wed 5/71:30 pmSAT - DCA

1 stop7h 25mSouthwest

Mon 5/123:35 pmDCA - SAT

2 stops8h 00mSouthwest

Deal found 4/27

$607

Thu 5/87:33 pmSAT - DCA

2 stops24h 25mAlaska Airlines

Sun 5/115:38 pmDCA - SAT

1 stop31h 21mAlaska Airlines

Deal found 4/28

$1,149

Fri 5/93:22 pmSAT - DCA

1 stop29h 37mFrontier

Mon 5/127:00 amDCA - SAT

1 stop8h 17mFrontier

Deal found 4/29

$228

Fri 5/91:43 pmSAT - IAD

1 stop15h 48mFrontier

Sun 5/115:26 pmIAD - SAT

1 stop27h 05mFrontier

Deal found 4/28

$300

Fri 5/93:05 pmSAT - IAD

1 stop6h 35mSouthwest

Tue 5/137:50 amIAD - SAT

2 stops10h 55mSouthwest

Deal found 4/27

$409

Fri 5/97:05 amSAT - IAD

2 stops12h 52mMultiple Airlines

Sun 5/118:30 amIAD - SAT

2 stops39h 21mMultiple Airlines

Deal found 4/28

$444

Fri 5/95:00 amSAT - IAD

2 stops7h 22mAmerican Airlines

Mon 5/125:26 pmIAD - SAT

1 stop5h 50mAmerican Airlines

Deal found 4/29

$464

Fri 5/96:35 amSAT - IAD

2 stops22h 05mAlaska Airlines

Mon 5/127:00 amIAD - SAT

2 stops17h 59mAlaska Airlines

Deal found 4/28

$1,025

One-way flights from San Antonio to District of Columbia
Search for one-way flight options from San Antonio to District of Columbia. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Thu 5/2912:08 pmSAT - IAD

1 stop5h 39mDelta

Deal found 4/28

$119

Thu 5/291:25 pmSAT - DCA

1 stop5h 06mDelta

Deal found 4/29

$119

Sat 6/216:45 amSAT - IAD

1 stop6h 43mUnited Airlines

Deal found 4/28

$126

Mon 5/191:43 pmSAT - IAD

1 stop15h 48mFrontier

Deal found 4/28

$127

Sun 5/188:25 pmSAT - DCA

1 stop14h 42mFrontier

Deal found 4/29

$137

Thu 6/51:27 pmSAT - IAD

2 stops29h 50mMultiple Airlines

Deal found 4/28

$155

Wed 6/46:34 amSAT - DCA

Nonstop3h 21mAmerican Airlines

Deal found 4/28

$159

Mon 5/125:30 amSAT - IAD

1 stop6h 55mSouthwest

Deal found 4/29

$167

Tue 7/11:24 pmSAT - IAD

2 stops9h 35mAmerican Airlines

Deal found 4/29

$174

Sun 6/226:35 pmSAT - IAD

1 stop16h 44mSun Country Air

Deal found 4/29

$187

Thu 7/34:30 pmSAT - DCA

1 stop4h 50mSouthwest

Deal found 4/29

$205

Fri 6/135:35 amSAT - DCA

2 stops11h 27mUnited Airlines

Deal found 4/29

$256

Cheapflights 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

Wed 5/21

12:10 pm-4:29 pm

Nonstop3h 19m

Washington, D.C. Dulles Intl

Sun 5/25

5:50 pm-8:22 pm

Nonstop3h 32m

$205

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 5/21

6:34 am-10:55 am

Nonstop3h 21m

Washington, D.C. Reagan-National

Wed 5/28

7:45 pm-10:24 pm

Nonstop3h 39m

$205

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 5/15

1:43 pm-6:31 am

1 stop15h 48m

Washington, D.C. Dulles Intl

Sun 5/18

5:26 pm-7:31 pm

1 stop27h 05m

$228

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 5/9

3:22 pm-9:59 pm

1 stop29h 37m

Washington, D.C. Reagan-National

Mon 5/12

7:00 am-2:17 pm

1 stop8h 17m

$228

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 5/24

4:42 pm-11:35 pm

1 stop5h 53m

Washington, D.C. Dulles Intl

Fri 5/30

6:00 am-10:35 am

1 stop5h 35m

$237

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 5/21

12:08 pm-8:36 pm

1 stop7h 28m

Washington, D.C. Reagan-National

Wed 5/28

6:00 am-10:35 am

1 stop5h 35m

$243

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 6/28

5:56 pm-11:59 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Wed 7/2

6:00 am-1:16 pm

1 stop8h 16m

$251

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 6/12

2:57 pm-8:37 pm

2 stops28h 40m

Washington, D.C. Dulles Intl

Sun 6/15

11:52 am-5:18 pm

1 stop6h 26m

$276

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Tue 5/27

6:05 pm-12:02 am

1 stop4h 57m

Washington, D.C. Dulles Intl

Tue 6/3

5:07 pm-11:02 pm

1 stop6h 55m

$329

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Mon 7/28

5:20 am-1:20 pm

1 stop7h 00m

Washington, D.C. Dulles Intl

Thu 8/7

7:35 am-8:30 pm

2 stops13h 55m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 25 results

Best time to book a flight from San Antonio to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from San Antonio 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.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to District of Columbia

What is the cheapest month to book a flight from San Antonio to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from San Antonio to District of Columbia (average of $309). Flying from San Antonio to District of Columbia in June is currently the most expensive (average of $373). 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 SAT to DC?

When flying from San Antonio to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in District of Columbia by month

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Antonio to District of Columbia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,295 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly from for flights from San Antonio to District of Columbia?
If you book a flight to District of Columbia from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.
What are the cheapest airlines to fly from San Antonio to District of Columbia one-way?
$119 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $126 and $127, respectively.
What are the most reliable airlines from San Antonio to District of Columbia?
The top 3 most reliable airlines when flying from San Antonio to District of Columbia are Air Canada (89%), United Airlines (82%) and Mesa Airlines (79%).
What are the cheapest flights from San Antonio to District of Columbia?
On average you can expect to pay $1,074 for a flight from San Antonio to District of Columbia. The cheapest flight overall is $115 while the most popular route, (San Antonio - Washington, D.C. Dulles Intl) is currently priced at $229.
Can I find deals for flights from San Antonio to District of Columbia that include hotel bookings?
Yes. In addition to deals on San Antonio to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to District of Columbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to District of Columbia.
Can I find deals for business class flights from San Antonio to District of Columbia?
Yes. Cheapflights offers flight deals from San Antonio to District of Columbia 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 San Antonio to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from San Antonio to District of Columbia (average of $309). Flying from San Antonio to District of Columbia in June is currently the most expensive (average of $373). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from San Antonio to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$76	Average$166	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$114	Average$224	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$204	Average$399	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$205	Average$361	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$216	Average$375	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$239	Average$424	FlexibilityNo cancel fee	On-time69%

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$119+ Cheap flights from San Antonio (SAT) to District of Columbia

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from San Antonio to District of Columbia

Keep the following information in mind while searching for San Antonio to District of Columbia flight deals. Data was last updated April 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Antonio to District of Columbia

Cheapest flights from San Antonio to District of ColumbiaExplore the most affordable flight options available from San Antonio to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Explore the most affordable flight options available from San Antonio to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from San Antonio to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from San Antonio with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to District of Columbia

What is the cheapest month to book a flight from San Antonio to District of Columbia?

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

Find hourly flight availability from San Antonio to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Antonio to District of Columbia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from San Antonio to District of Columbia?

What are the cheapest airlines to fly from San Antonio to District of Columbia one-way?

What are the most reliable airlines from San Antonio to District of Columbia?

What are the cheapest flights from San Antonio to District of Columbia?

Can I find deals for flights from San Antonio to District of Columbia that include hotel bookings?

How can I find direct flights from San Antonio to District of Columbia?

Can I find deals for business class flights from San Antonio to District of Columbia?

What is the cheapest month to book a flight from San Antonio to District of Columbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Antonio to District of Columbia

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Cheapest flights from San Antonio to District of Columbia
Explore the most affordable flight options available from San Antonio to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.