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

Flights overview

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

Cheapest round-trip flights	$210	Frontier 1 stop 13 hr Thu, May 28 — Thu, Jun 4	The cheapest round-trip flight from Washington, D.C. to San Antonio is currently $210
Cheapest one-way flight	$105	Frontier 1 stop 13 hr Wed, Jun 3	The cheapest one-way flight from Washington, D.C. to San Antonio is currently $105
Cheapest nonstop flights	$309	American Nonstop 4 hr Thu, Jul 16 — Wed, Jul 22	The cheapest nonstop round-trip flight from Washington, D.C. to San Antonio is currently $309
Last-minute weekend getaway	$432	Frontier 1 stop 13 hr Thu, May 7 — Sun, May 10	The cheapest last-minute weekend getaway from Washington, D.C. to San Antonio is currently $432
Cheapest business class flights	$468	Frontier 1 stop 13 hr Thu, May 28 — Fri, Jun 5	The cheapest business class round-trip flight from Washington, D.C. to San Antonio is currently $468

Fastest flight	3 hr 25 min	The fastest nonstop flight from Washington, D.C. to San Antonio takes 3 hr 25 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 Washington, D.C. to San Antonio is typically October. The most expensive month to fly is typically March.

October Cheapest	Typical prices: $155–255
March Most expensive	Typical prices: $235–425

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

Southwest

Nonstop

from $309

Typical price: $265–455

12 weekly nonstop flights

BWI - SAT Every day

1877 weekly connecting flights

BWI, DCA, IAD - SAT Every day
American

Nonstop

from $309

Typical price: $245–440

7 weekly nonstop flights

DCA - SAT Every day

1219 weekly connecting flights

BWI, DCA, IAD - SAT Every day
United

Nonstop

from $309

Typical price: $245–420

12 weekly nonstop flights

IAD - SAT Every day

954 weekly connecting flights

BWI, DCA, IAD - SAT Every day
Delta

from $309

Typical price: $265–510

901 weekly connecting flights

BWI, DCA, IAD - SAT Every day
Alaska

from $647

Typical price: $530–1,300

39 weekly connecting flights

BWI, DCA, IAD - SAT Every day
Frontier

from $210

Typical price: $205–465

19 weekly connecting flights

DCA - SAT Every day

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

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

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

The cheapest flights from Washington, D.C. to San Antonio are usually in October. Typical ticket prices in October range from $155 to $255.

The cheapest round-trip flight from Washington, D.C. to San Antonio 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 Washington, D.C. to San Antonio is $309, flying from Jun 4 to Jun 10.
The cheapest American flight from Washington, D.C. to San Antonio is $309, flying from Jul 16 to Jul 22.
The cheapest United flight from Washington, D.C. to San Antonio is $309, flying from Jul 2 to Jul 8.
The cheapest Delta flight from Washington, D.C. to San Antonio is $309, flying from May 28 to Jun 3.
The cheapest Alaska flight from Washington, D.C. to San Antonio is $647, flying from May 31 to Jun 9.
The cheapest Frontier flight from Washington, D.C. to San Antonio is $210, flying from May 28 to Jun 4.

The cheapest round-trip flight from Washington, D.C. to San Antonio starts at $210 from Thu, May 28 to Thu, Jun 4. The cheapest one-way flight starts at $105 and departs on Wed, Jun 3.

3 hr 25 min is the shortest flight time from Washington, D.C. to San Antonio.

San Antonio has mild winters (Dec–Feb), and hot and humid summers (Jun–Sep). Summer, as well as warm spring (Mar–May) are the most popular times to visit. Remember the Alamo Weekend (Mar) sees reenactments of the battle. Fiesta San Antonio (Apr), a long-standing heritage festival, is a huge, 11-day party known for its flower parades, live music and food stands.

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to San Antonio.
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 Washington, D.C. to San Antonio 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 Washington, D.C. to San Antonio.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 12 nonstop flights and 1,877 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Antonio International Airport (SAT) .

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

American offers 7 nonstop flights and 1,219 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Antonio International Airport (SAT) .
United offers 12 nonstop flights and 954 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Antonio International Airport (SAT) .
Delta offers 901 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Antonio International Airport (SAT) .
Alaska offers 39 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Antonio International Airport (SAT) .
Frontier offers 19 connecting flights per week. Frontier flies from Ronald Reagan Washington National Airport (DCA) to San Antonio International Airport (SAT) .

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

The cheapest round-trip flight from Washington, D.C. to San Antonio 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 Washington, D.C. to San Antonio is $309, flying from Jun 4 to Jun 10.
The cheapest American flight from Washington, D.C. to San Antonio is $309, flying from Jul 16 to Jul 22.
The cheapest United flight from Washington, D.C. to San Antonio is $309, flying from Jul 2 to Jul 8.
The cheapest Delta flight from Washington, D.C. to San Antonio is $309, flying from May 28 to Jun 3.
The cheapest Alaska flight from Washington, D.C. to San Antonio is $647, flying from May 31 to Jun 9.
The cheapest Frontier flight from Washington, D.C. to San Antonio is $210, flying from May 28 to Jun 4.

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

There are 12 Southwest direct flights from Washington, D.C. to San Antonio per week. Flights are available every day.
There are 7 American direct flights from Washington, D.C. to San Antonio per week. Flights are available every day.
There are 12 United direct flights from Washington, D.C. to San Antonio 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 Washington, D.C. and San Antonio at price $432 is offered by Frontier from Thu, May 7 to Sun, May 10.

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

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

The cheapest direct (nonstop) round-trip flights between Washington, D.C. and San Antonio 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 Washington, D.C. to San Antonio, 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 Washington, D.C. and San Antonio start at $468 from Thu, May 28 to Fri, Jun 5 with Frontier.

The cheapest economy class round-trip flights between Washington, D.C. and San Antonio start at $210 from Thu, May 28 to Thu, Jun 4.

To book business class trips from Washington, D.C. to San Antonio, 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 Washington, D.C. and San Antonio starts at $432 from Thu, May 7 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Washington, D.C. and San Antonio at price $432 is offered by Frontier from Thu, May 7 to Sun, May 10.

To find last-minute flight deals from Washington, D.C. to San Antonio, 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.