What are the cheapest airlines flying from San Antonio to Washington, D.C. Reagan-National Airport round-trip?

Currently priced at $231, American Airlines will fly you from San Antonio to Washington, D.C. Reagan-National Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $234 and $251, respectively. American Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from San Antonio to Washington, D.C. Reagan-National Airport one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $116. However, be on the lookout for offers from Southwest and Frontier, as they are both options that can get you from San Antonio to Washington, D.C. Reagan-National Airport for a low price.

What is the cheapest day to fly from San Antonio to Washington, D.C. Reagan-National Airport?

Travelers seeking maximum savings on their San Antonio to Washington, D.C. Reagan-National Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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).

What are the cheapest flights from San Antonio to Washington, D.C. Reagan-National Airport?

Looking for the cheapest flight from San Antonio to Washington, D.C. Reagan-National Airport? While on average our users pay $296, our data indicates the cheapest price to be $94. The most popular route (San Antonio - Washington, D.C. Reagan-National), is priced around $244.

What are the most popular airlines that fly from San Antonio to Washington, D.C. Reagan-National Airport?

The most popular airlines flying from San Antonio to Washington, D.C. Reagan-National Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from San Antonio to Washington, D.C. Reagan-National Airport?

Flights from San Antonio to Washington, D.C. Reagan-National Airport are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Reagan-National Airport.

What is the cheapest month to fly from San Antonio to Washington, D.C. Reagan-National Airport?

June is one of the best times of the year to fly to Washington, D.C. Reagan-National Airport from San Antonio. Prices for June average $333 per person but you can even find prices for as low as $110. The most expensive prices can be found in the month of November. Opting for a June flight can save you 19% on your journey compared to booking in November

What airport do you fly from for flights from San Antonio to Washington, D.C. Reagan-National?

For a flight from San Antonio to Washington, D.C. Reagan-National, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 1 outbound flight to Washington, D.C. Reagan-National per day. 5 airlines have flights to Washington, D.C. Reagan-National from San Antonio on a regular basis.

Can I find deals for flights from San Antonio to Reagan-National that include hotel bookings?

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

How can I find direct flights from San Antonio to Reagan-National?

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

Can I find deals for business class flights from San Antonio to Reagan-National?

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

$116+ Flights from San Antonio to Washington, D.C. Reagan-National Airport

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Cheapflights Tip: The best prices from San Antonio to Washington, D.C. Reagan-National are usually found in February or April, booked 61 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from San Antonio to Reagan-National

Round-trip from	$231 (American Airlines)
One-way from	$116 (American Airlines)
Popular in	March
Cheapest in	February
Average price	$294
Good round-trip deal	$278 or less
Good one-way deal	$183 or less

From San Antonio to Washington, D.C. Reagan-National

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One-way flight from San Antonio to Washington, D.C. Reagan-National

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High demand for flights, 8% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from San Antonio to Washington, D.C. Reagan-National.

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Price to beat on a one-way flight from San Antonio to Washington, D.C. Reagan-National.

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Find flight deals from San Antonio to Reagan-National

Cheapest flights from San Antonio to Reagan-National
Explore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Tue 8/126:30 amSAT - DCA

Nonstop3h 22mAmerican Airlines

Wed 8/137:45 pmDCA - SAT

Nonstop3h 31mAmerican Airlines

Deal found 6/30

$231

Fri 8/293:35 pmSAT - DCA

1 stop7h 15mSouthwest

Sun 8/317:55 amDCA - SAT

1 stop5h 10mSouthwest

Deal found 7/1

$234

Tue 8/125:10 amSAT - DCA

1 stop5h 24mDelta

Wed 8/136:00 amDCA - SAT

1 stop4h 40mDelta

Deal found 6/30

$251

Thu 8/218:18 pmSAT - DCA

1 stop14h 53mFrontier

Sat 8/237:00 amDCA - SAT

1 stop8h 35mFrontier

Deal found 6/30

$253

Sun 7/205:30 amSAT - DCA

1 stop5h 16mUnited Airlines

Sun 7/276:25 amDCA - SAT

1 stop6h 20mUnited Airlines

Deal found 6/30

$303

Best flights from San Antonio to Reagan-National
Discover carefully curated flight deals from San Antonio to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Tue 8/126:30 amSAT - DCA

Nonstop3h 22mAmerican Airlines

Wed 8/137:45 pmDCA - SAT

Nonstop3h 31mAmerican Airlines

Deal found 6/30

$231

Fri 8/293:35 pmSAT - DCA

1 stop7h 15mSouthwest

Sun 8/317:55 amDCA - SAT

1 stop5h 10mSouthwest

Deal found 6/30

$234

Tue 8/125:10 amSAT - DCA

1 stop5h 24mDelta

Wed 8/136:00 amDCA - SAT

1 stop4h 40mDelta

Deal found 6/30

$251

Thu 8/218:18 pmSAT - DCA

1 stop14h 53mFrontier

Sat 8/237:00 amDCA - SAT

1 stop8h 35mFrontier

Deal found 6/30

$253

Sun 7/205:30 amSAT - DCA

1 stop5h 16mUnited Airlines

Sun 7/276:25 amDCA - SAT

1 stop6h 20mUnited Airlines

Deal found 6/30

$303

Last-minute flights from San Antonio to Reagan-National
Discover last-minute flight deals from San Antonio to Reagan-National. Data last updated July 1, 2025 and is based on user searches.

Sun 7/65:25 amSAT - DCA

1 stop6h 20mDelta

Thu 7/176:05 amDCA - SAT

1 stop5h 25mDelta

Deal found 6/28

$354

Mon 7/76:30 amSAT - DCA

Nonstop3h 23mAmerican Airlines

Fri 7/187:59 pmDCA - SAT

Nonstop3h 39mAmerican Airlines

Deal found 6/30

$334

Mon 7/77:08 amSAT - DCA

1 stop7h 14mUnited Airlines

Fri 7/188:30 amDCA - SAT

2 stops11h 42mUnited Airlines

Deal found 6/29

$539

Tue 7/86:59 pmSAT - DCA

1 stop25h 58mFrontier

Tue 7/157:00 amDCA - SAT

1 stop12h 02mFrontier

Deal found 6/30

$301

Tue 7/87:37 pmSAT - DCA

2 stops25h 05mAlaska Airlines

Tue 7/156:58 pmDCA - SAT

2 stops24h 39mAlaska Airlines

Deal found 6/30

$1,061

Wed 7/911:55 amSAT - DCA

2 stops9h 00mSouthwest

Tue 7/151:25 pmDCA - SAT

1 stop7h 50mSouthwest

Deal found 6/28

$359

Thu 7/174:30 pmSAT - DCA

1 stop4h 50mSouthwest

Wed 7/237:25 amDCA - SAT

1 stop7h 10mSouthwest

Deal found 6/30

$289

Sun 7/205:30 amSAT - DCA

1 stop5h 16mUnited Airlines

Sun 7/276:25 amDCA - SAT

1 stop6h 20mUnited Airlines

Deal found 6/30

$303

Wed 7/306:30 amSAT - DCA

Nonstop3h 23mAmerican Airlines

Wed 8/67:45 pmDCA - SAT

Nonstop3h 31mAmerican Airlines

Deal found 6/30

$236

Wed 7/302:49 pmSAT - DCA

1 stop5h 55mDelta

Wed 8/67:39 pmDCA - SAT

1 stop5h 35mDelta

Deal found 6/30

$251

One-way flights from San Antonio to Reagan-National
Search for one-way flight options from San Antonio to Reagan-National. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Wed 7/306:30 amSAT - DCA

Nonstop3h 23mAmerican Airlines

Deal found 6/30

$116

Wed 8/2011:15 amSAT - DCA

1 stop5h 00mSouthwest

Deal found 6/30

$121

Sat 8/303:34 pmSAT - DCA

1 stop29h 25mFrontier

Deal found 6/30

$126

Fri 8/151:19 pmSAT - DCA

1 stop5h 16mDelta

Deal found 6/30

$135

Fri 10/317:00 amSAT - DCA

1 stop7h 38mUnited Airlines

Deal found 6/30

$142

Fri 11/76:31 pmSAT - DCA

1 stop21h 28mHawaiian Airlines

Deal found 6/30

$259

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 8/12

6:30 am-10:52 am

Nonstop3h 22m

Washington, D.C. Reagan-National

Wed 8/13

7:45 pm-10:16 pm

Nonstop3h 31m

$231

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 8/29

3:35 pm-11:50 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Sun 8/31

7:55 am-12:05 pm

1 stop5h 10m

$234

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Tue 8/12

5:10 am-11:34 am

1 stop5h 24m

Washington, D.C. Reagan-National

Wed 8/13

6:00 am-9:40 am

1 stop4h 40m

$251

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 8/21

8:18 pm-12:11 pm

1 stop14h 53m

Washington, D.C. Reagan-National

Sat 8/23

7:00 am-2:35 pm

1 stop8h 35m

$253

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sun 7/20

5:30 am-11:46 am

1 stop5h 16m

Washington, D.C. Reagan-National

Sun 7/27

6:25 am-11:45 am

1 stop6h 20m

$303

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 7/30

6:30 am-10:53 am

Nonstop3h 23m

$116

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Wed 8/20

11:15 am-5:15 pm

1 stop5h 00m

$121

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 8/30

3:34 pm-9:59 pm

1 stop29h 25m

$126

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 8/15

1:19 pm-7:35 pm

1 stop5h 16m

$135

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 10/31

7:00 am-3:38 pm

1 stop7h 38m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 results

Best time to book a flight from San Antonio to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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 Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

The best time to book flights from San Antonio to Washington, D.C. Reagan-National Airport is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Antonio to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 DCA?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 56% on flights from San Antonio to Washington, D.C. Reagan-National Airport by exploring options for tickets in the evening.

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Southwest, Delta, and Hawaiian Airlines from San Antonio to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,275 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,275 reviews

Southwest

8.0

Very good

4,275 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,973 reviews

Southwest

8.0

Very good

4,275 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Hawaiian Airlines

7.8

Good

2,538 reviews

Southwest

8.0

Very good

4,275 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,852 reviews

Southwest

8.0

Very good

4,275 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,275 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly from for flights from San Antonio to Washington, D.C. Reagan-National?
For a flight from San Antonio to Washington, D.C. Reagan-National, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 1 outbound flight to Washington, D.C. Reagan-National per day. 5 airlines have flights to Washington, D.C. Reagan-National from San Antonio on a regular basis.
What are the cheapest airlines flying from San Antonio to Washington, D.C. Reagan-National Airport round-trip?
Currently priced at $231, American Airlines will fly you from San Antonio to Washington, D.C. Reagan-National Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $234 and $251, respectively. American Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from San Antonio to Washington, D.C. Reagan-National Airport one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $116. However, be on the lookout for offers from Southwest and Frontier, as they are both options that can get you from San Antonio to Washington, D.C. Reagan-National Airport for a low price.
What are the cheapest flights from San Antonio to Washington, D.C. Reagan-National Airport?
Looking for the cheapest flight from San Antonio to Washington, D.C. Reagan-National Airport? While on average our users pay $296, our data indicates the cheapest price to be $94. The most popular route (San Antonio - Washington, D.C. Reagan-National), is priced around $244.
Can I find deals for flights from San Antonio to Reagan-National that include hotel bookings?
Yes. In addition to deals on San Antonio to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Reagan-National.
Can I find deals for business class flights from San Antonio to Reagan-National?
Yes. Cheapflights offers flight deals from San Antonio to Reagan-National 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 Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Antonio to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 San Antonio to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$85	Average$170	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$208	Average$332	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$216	Average$346	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$244	Average$423	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$259	Average$391	FlexibilityNo cancel fee	On-time69%

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$116+ Cheap flights from San Antonio (SAT) to Reagan-National (DCA)

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Antonio to Washington, D.C. Reagan-National are usually found in February or April, booked 61 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from San Antonio to Reagan-National

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 Reagan-National

Cheapest flights from San Antonio to Reagan-NationalExplore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Explore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from San Antonio to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from San Antonio with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Reagan-National. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

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

Find hourly flight availability from San Antonio to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

Reviews of airlines servicing Reagan-National

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Reagan-National. 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 Washington, D.C. Reagan-National?

What are the cheapest airlines flying from San Antonio to Washington, D.C. Reagan-National Airport round-trip?

What are the cheapest airlines to fly from San Antonio to Washington, D.C. Reagan-National Airport one-way?

What are the cheapest flights from San Antonio to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from San Antonio to Reagan-National that include hotel bookings?

How can I find direct flights from San Antonio to Reagan-National?

Can I find deals for business class flights from San Antonio to Reagan-National?

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Reagan-National Airport?

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Top 5 airlines flying from San Antonio to Reagan-National

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Cheapest flights from San Antonio to Reagan-National
Explore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.