Flights from Washington DC to San Antonio

Our cheapest offers for flights from Washington DC to San Antonio

Here you can compare cheap flights from Washington DC (DCA) to San Antonio (SAT) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Antonio. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
San Antonio
Outbound
11/25/25
1 Stopover (ATL)
DL0343, DL2009
08h 23min
Return
-
Delta Air Lines ?
$149
Washington DC
San Antonio
Outbound
11/25/25
1 Stopover (ATL)
DL0343, DL2009
08h 23min
Return
12/02/25
1 Stopover (DTW)
DL2479, DL2030
05h 30min
Delta Air Lines ?
$256
Best option
Washington DC
San Antonio
Outbound
10/18/25
direct
AA1947
03h 40min
Return
11/17/25
direct
AA1718
03h 15min
American Airlines ?
$276
Washington DC
San Antonio
Outbound
10/18/25
direct
AA1947
03h 40min
Return
11/17/25
direct
AA1718
03h 15min
American Airlines ?
$277
Washington DC
San Antonio
Outbound
11/25/25
1 Stopover (IAH)
UA1381, UA1542
07h 29min
Return
12/02/25
1 Stopover (IAH)
UA2157, UA1764
06h 30min
United Airlines ?
$295
Washington DC
San Antonio
Outbound
10/18/25
direct
AA1947
03h 40min
Return
11/17/25
direct
AA1718
03h 15min
American Airlines ?
$303
Washington DC
San Antonio
Outbound
11/03/25
1 Stopover (IAH)
UA1450, UA1371
05h 48min
Return
11/12/25
1 Stopover (IAH)
UA1282, UA1540
05h 01min
United Airlines
$339
Washington DC
San Antonio
Outbound
10/18/25
direct
AA1947
03h 40min
Return
11/17/25
direct
AA1718
03h 15min
American Airlines ?
$369
Washington DC
San Antonio
Outbound
10/10/25
direct
AA1947
03h 40min
Return
11/04/25
direct
AA1718
03h 15min
American Airlines ?
$413
Washington DC
San Antonio
Outbound
11/25/25
1 Stopover (CLT)
AA1617, AA1977
05h 23min
Return
12/02/25
1 Stopover (DFW)
AA1270, AA1968
12h 05min
American Airlines ?
$438
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to San Antonio

Favorite airline: e.g. JetBlue Airways, Delta
The favorite airline for flights from Washington DC to San Antonio is JetBlue Airways.
JetBlue Airways
36 %
Delta
36 %
Frontier Airlines
14 %
Favourite connection: via Boston
40 % of booked tickets on this route are for flights with a transfer in Boston.
Route
bookings
1 stopover Boston Logan International Airport, MA
14h 53min, from 1.961 $
40 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
06h 26min, from 240 $
30 %
1 stopover Denver International Airport, CO
20h 38min, from 473 $
20 %

Important flight information

Flight information: Washington DC - San Antonio

Cheapest outbound flight from 148,60 $
Roundtrip from 255,40 $
Flight duration min. 04:35 / max. 08:00
Return flight duration min. 03:45/ max. 04:40
Distance 2222 km
Flights per week 26
Departure airport Airport Washington DC - Ronald Reagan National Airport, VA (DCA)
Arrival airport Airport San Antonio International Airport, TX (SAT)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Antonio
Flight destinations with a similar price