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

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Flight deals from Washington, D.C. to San Antonio International

Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to San Antonio International? Find the lowest prices on one-way and round-trip tickets right here.
San Antonio.$136 per passenger.Departing Sat, Jun 1, returning Mon, Jun 3.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Sat, Jun 1, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departing from San Antonio International on Mon, Jun 3, arriving in Baltimore Washington International.Price includes taxes and charges.From $136, select.
San Antonio.$140 per passenger.Departing Wed, May 22, returning Tue, May 28.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Wed, May 22, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departing from San Antonio International on Tue, May 28, arriving in Baltimore Washington International.Price includes taxes and charges.From $140, select.
San Antonio.$162 per passenger.Departing Wed, May 22, returning Thu, Jun 6.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Wed, May 22, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departing from San Antonio International on Thu, Jun 6, arriving in Baltimore Washington International.Price includes taxes and charges.From $162, select.
San Antonio.$170 per passenger.Departing Thu, Sep 5, returning Mon, Sep 9.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Thu, Sep 5, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departing from San Antonio International on Mon, Sep 9, arriving in Baltimore Washington International.Price includes taxes and charges.From $170, select.
San Antonio.$225 per passenger.Departing Sat, Aug 17, returning Sat, Aug 24.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Washington Dulles on Sat, Aug 17, arriving in San Antonio International.Inbound indirect flight with Delta, departing from San Antonio International on Sat, Aug 24, arriving in Washington Dulles.Price includes taxes and charges.From $225, select.
San Antonio.$228 per passenger.Departing Sat, Aug 17, returning Sat, Aug 24.Round-trip flight with United.Outbound direct flight with United departing from Washington Dulles on Sat, Aug 17, arriving in San Antonio International.Inbound direct flight with United departing from San Antonio International on Sat, Aug 24, arriving in Washington Dulles.Price includes taxes and charges.From $228, select.
San Antonio.$228 per passenger.Departing Thu, Sep 5, returning Mon, Sep 9.Round-trip flight with United.Outbound direct flight with United departing from Washington Dulles on Thu, Sep 5, arriving in San Antonio International.Inbound direct flight with United departing from San Antonio International on Mon, Sep 9, arriving in Washington Dulles.Price includes taxes and charges.From $228, select.
San Antonio.$252 per passenger.Departing Wed, Jun 12, returning Sat, Jun 15.Round-trip flight with United.Outbound direct flight with United departing from Washington Dulles on Wed, Jun 12, arriving in San Antonio International.Inbound direct flight with United departing from San Antonio International on Sat, Jun 15, arriving in Washington Dulles.Price includes taxes and charges.From $252, select.

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Find the cheapest month to fly from Washington, D.C. to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington, D.C. to San Antonio International flights are currently cheapest in June.
May
from $140
Jun
from $136
Jul
from $295
Aug
from $225
Sep
from $170
Oct
from $261
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Direct flights from Washington, D.C. to San Antonio International

Washington, D.C. to San Antonio International: Alternative routes

Compare routes from Washington, D.C. to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Washington, D.C. to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$136
Cheapest month to flyJune
Average flight time3 hrs, 38 mins
Most popular airlineSouthwest Airlines
Average flights per week124

Finding cheap flights from Washington, D.C. to San Antonio International: Frequently asked questions

The best price we found for a round-trip flight from Washington, D.C. to San Antonio International is $136. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 38 minutes is the average flight time from Washington, D.C. to San Antonio International.
Southwest Airlines, Air Canada and United fly direct from Washington, D.C. to San Antonio International.
There are 62 flights per week flying from Washington, D.C. to San Antonio International, as of May 2024.
The cheapest month to fly from Washington, D.C. to San Antonio International is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to San Antonio International Airport on Saturday, June 1, 2024.
Yes – the average flight time is 3 hours and 38 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Antonio International is around 40 days in advance, so don’t leave your flight to the last minute.

With three airports to choose from, the nation’s capital is one of the easiest cities to fly in or out of in the United States.  Washington Dulles, Ronald Reagan International, and Baltimore Washington International airports all service the D.C. area.  The city itself sits between Maryland and Virginia and each airport is situated to ensure easy access via several major highways.

 

Flying out of the Washington, D.C. Area

BWI, DCA, and IAD are all full-service airports with excellent facilities. For flights to San Antonio, BWI is the airstrip that will get you there. Formerly known as Friendship Airport, BWI is closer to downtown Baltimore than it is to D.C. (nine miles versus 32 miles) and is a hub for Southern Airways Express as well as a focus city for Southwest Airlines.

 

Ground Transportation to Baltimore Washington International

BWI is also referred to as Thurgood Marshall Airport, named for the first African-American and Baltimore native to serve on the U.S. Supreme Court.  You have several options when it comes to getting to BWI, including a free shuttle from the nearest rail station.  Buses are also available, and the B30 and 75 routes have stops on or adjacent to the airport property.  Shuttles directly to and from hotels are also popular in the D.C. area.

 

What Airlines Offer Flights from BWI to San Antonio International?

Baltimore Washington International is a great airport to fly out of no matter whether you are coming from the capital, Baltimore, or the surrounding suburban areas. Departing from BWI makes flying to San Antonio easy, and you can choose from one of these airlines or use a combination of carriers:

  • Delta Airlines
  • American Airlines
  • Alaska Airlines
  • Frontier

What are my Ground Transportation Options when Arriving at SAT?

If you want to take a car directly from the airport to your destination but you don’t want to drive yourself, there are many ride share options, including Uber, Lyft, and Get Me available.  There is also  more traditional public transportation, as buses also service SAT.  If you are going to drive yourself in the San Antonio area, you should check the Skyscanner car rental search page for great rates.

What are my Hotel Options when Visiting San Antonio?

There are a lot of options when it comes to hotels in San Antonio, no matter whether you’re visiting for business or pleasure. Here are some of the great hotels you’ll have to choose from on your trip to this beautiful southern Texas city:

  • Mokara Hotel & Spa
  • Hotel Valencia Riverwalk
  • Contessa
  • Marriott Plaza San Antonio

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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.