Find Cheap Flights from San Antonio to Washington, D.C. (SAT - WAS)

Flights overview

Useful information for finding cheap flights from San Antonio to Washington, D.C. and booking your next trip

Cheapest round-trip flights	$210	Frontier 1 stop 17 hr Thu, Jun 4 — Wed, Jun 10	The cheapest round-trip flight from San Antonio to Washington, D.C. is currently $210
Cheapest one-way flight	$105	Frontier 1 stop 11 hr Wed, Jun 3	The cheapest one-way flight from San Antonio to Washington, D.C. is currently $105
Cheapest nonstop flights	$309	American Nonstop 4 hr Thu, Jul 16 — Wed, Jul 22	The cheapest nonstop round-trip flight from San Antonio to Washington, D.C. is currently $309
Last-minute weekend getaway	$451	United 2 stops 17 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from San Antonio to Washington, D.C. is currently $451
Cheapest business class flights	$496	Frontier 1 stop 16 hr Sat, Aug 1 — Sat, Aug 8	The cheapest business class round-trip flight from San Antonio to Washington, D.C. is currently $496

Fastest flight	3 hr 15 min	The fastest nonstop flight from San Antonio to Washington, D.C. takes 3 hr 15 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Antonio to Washington, D.C. is typically September. The most expensive month to fly is typically March.

September Cheapest	Typical prices: $155–235
March Most expensive	Typical prices: $240–390

Popular airlines from San Antonio to Washington, D.C.

Southwest

Nonstop

from $329

Typical price: $265–455

12 weekly nonstop flights

SAT - BWI Every day

1868 weekly connecting flights

SAT - BWI, DCA, IAD Every day
American

Nonstop

from $309

Typical price: $245–440

7 weekly nonstop flights

SAT - DCA Every day

1261 weekly connecting flights

SAT - BWI, DCA, IAD Every day
United

Nonstop

from $309

Typical price: $245–410

12 weekly nonstop flights

SAT - IAD Every day

917 weekly connecting flights

SAT - BWI, DCA, IAD Every day
Delta

from $329

Typical price: $265–500

924 weekly connecting flights

SAT - BWI, DCA, IAD Every day
Alaska

from $781

Typical price: $530–1,300

38 weekly connecting flights

SAT - BWI, DCA, IAD Every day
Frontier

from $210

Typical price: $200–455

20 weekly connecting flights

SAT - DCA Every day

Popular airports near San Antonio

San Antonio International Airport (SAT)

San Antonio United States 19 min 7 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 1 hr 21 min 72 mi
George Bush Intercontinental Airport (IAH)

Houston United States 3 hr 9 min 193 mi
William P. Hobby Airport (HOU)

Houston United States 3 hr 14 min 193 mi

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 19 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 47 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 18 min 116 mi

Frequently asked questions about flying from San Antonio to Washington, D.C.

The cheapest flights from San Antonio to Washington, D.C. are usually in September. Typical ticket prices in September range from $155 to $235.

The cheapest round-trip flight from San Antonio to Washington, D.C. recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from San Antonio to Washington, D.C. is $329, flying from Jul 9 to Jul 15.
The cheapest American flight from San Antonio to Washington, D.C. is $309, flying from Jul 16 to Jul 22.
The cheapest United flight from San Antonio to Washington, D.C. is $309, flying from Jul 30 to Aug 5.
The cheapest Delta flight from San Antonio to Washington, D.C. is $329, flying from Jul 9 to Jul 15.
The cheapest Alaska flight from San Antonio to Washington, D.C. is $781, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from San Antonio to Washington, D.C. is $210, flying from Jun 4 to Jun 10.

The cheapest round-trip flight from San Antonio to Washington, D.C. starts at $210 from Thu, Jun 4 to Wed, Jun 10. The cheapest one-way flight starts at $105 and departs on Wed, Jun 3.

3 hr 15 min is the shortest flight time from San Antonio to Washington, D.C..

Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.

It's easy to use Google Flights to find the cheapest days to fly from San Antonio to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from San Antonio to Washington, D.C. really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Antonio to Washington, D.C..

In terms of nonstop flights, Southwest is the most popular. Southwest offers 12 nonstop flights and 1,868 connecting flights per week. Southwest flies from San Antonio International Airport (SAT) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

Other popular airlines flying from San Antonio to Washington, D.C. are:

American offers 7 nonstop flights and 1,261 connecting flights per week. American flies from San Antonio International Airport (SAT) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
United offers 12 nonstop flights and 917 connecting flights per week. United flies from San Antonio International Airport (SAT) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Delta offers 924 connecting flights per week. Delta flies from San Antonio International Airport (SAT) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Alaska offers 38 connecting flights per week. Alaska flies from San Antonio International Airport (SAT) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Frontier offers 20 connecting flights per week. Frontier flies from San Antonio International Airport (SAT) to Ronald Reagan Washington National Airport (DCA) .

The number of connecting flights refers to distinct flights with at least one stop between San Antonio and Washington, D.C..

The cheapest round-trip flight from San Antonio to Washington, D.C. recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from San Antonio to Washington, D.C. is $329, flying from Jul 9 to Jul 15.
The cheapest American flight from San Antonio to Washington, D.C. is $309, flying from Jul 16 to Jul 22.
The cheapest United flight from San Antonio to Washington, D.C. is $309, flying from Jul 30 to Aug 5.
The cheapest Delta flight from San Antonio to Washington, D.C. is $329, flying from Jul 9 to Jul 15.
The cheapest Alaska flight from San Antonio to Washington, D.C. is $781, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from San Antonio to Washington, D.C. is $210, flying from Jun 4 to Jun 10.

Southwest, American and United fly direct from San Antonio to Washington, D.C..

There are 12 Southwest direct flights from San Antonio to Washington, D.C. per week. Flights are available every day.
There are 7 American direct flights from San Antonio to Washington, D.C. per week. Flights are available every day.
There are 12 United direct flights from San Antonio to Washington, D.C. per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between San Antonio and Washington, D.C. at price $451 is offered by United from Sat, May 9 to Sun, May 10.

Southwest, American and United fly direct from San Antonio to Washington, D.C..

There are 12 Southwest direct flights from San Antonio to Washington, D.C. per week. Flights are available every day.
There are 7 American direct flights from San Antonio to Washington, D.C. per week. Flights are available every day.
There are 12 United direct flights from San Antonio to Washington, D.C. per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from San Antonio to Washington, D.C. on a daily basis.

The cheapest direct (nonstop) round-trip flights between San Antonio and Washington, D.C. start at $309 from Thu, Jul 16 to Wed, Jul 22 with American.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Antonio to Washington, D.C., just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between San Antonio and Washington, D.C. start at $496 from Sat, Aug 1 to Sat, Aug 8 with Frontier.

The cheapest economy class round-trip flights between San Antonio and Washington, D.C. start at $210 from Thu, Jun 4 to Wed, Jun 10.

To book business class trips from San Antonio to Washington, D.C., look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between San Antonio and Washington, D.C. starts at $451 from Sat, May 9 to Sun, May 10 with United.

The cheapest last-minute deal between San Antonio and Washington, D.C. at price $451 is offered by United from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from San Antonio to Washington, D.C., start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.