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Cheap flights from San Antonio to Washington

55 nonstop flights a week, 8 of them today. Operated by 3 airlines, about 3h 18m in the air, 1,386 mi (2,230 km). Tickets from $168, nonstop from $332.

Flights from San Antonio to Washington

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: San Antonio to Washington

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from San Antonio to Washington

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $168 26 November 2026, with a connection Cheapest nonstop $332 26 November 2026, United Airlines Cheapest month November 2026 tickets from $168

San Antonio to Washington at a glance

flight time, from 3h 5m to 9h 36m
3h 18m
straight-line distance
1,386 mi (2,230 km)
flights a week
55
flights today
8
first and last departure
05:00 - 12:24
lowest price, with a connection, 26 November
$168
lowest nonstop price
$332
airlines
3

San Antonio to Washington flight schedule

55 flights a week, 8 today, 56 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 1123
Southwest Airlines
05:00 San Antonio International, terminal A
11:30 Baltimore/Wash International Thurgood Marshall
5h 30m
Sat
WN 646
Southwest Airlines
05:10 San Antonio International, terminal A
09:20 Baltimore/Wash International Thurgood Marshall
3h 10m
Sat
Boeing 737
WN 3578
Southwest Airlines
05:15 San Antonio International, terminal A
09:25 Baltimore/Wash International Thurgood Marshall
3h 10m
Mon, Thu, Fri, Sun
WN 3578
Southwest Airlines
05:30 San Antonio International, terminal A
09:35 Baltimore/Wash International Thurgood Marshall
3h 5m
Mon, Tue, Wed, Thu
Boeing 737
AA 1718
American Airlines
06:00 San Antonio International
10:18 Ronald Reagan National, terminal 2
3h 18m
Mon, Wed, Thu, Fri, Sun
Airbus A319
AA 1718
American Airlines
06:01 San Antonio International
10:18 Ronald Reagan National, terminal 2
3h 17m
Mon, Thu, Fri, Sun
Airbus A319
AA 1718
American Airlines
06:41 San Antonio International
10:59 Ronald Reagan National, terminal 2
3h 18m
Sat
Airbus A319
AA 1718
American Airlines
06:42 San Antonio International
10:59 Ronald Reagan National, terminal 2
3h 17m
Sat
Airbus A319
UA 471
United Airlines
07:00 San Antonio International, terminal B
11:13 Washington Dulles International
3h 13m
Daily
Boeing 737-700
WN 4324
Southwest Airlines
07:00 San Antonio International, terminal A
12:50 Ronald Reagan National, terminal 1
4h 50m
Mon, Thu, Fri, Sun
Boeing 737-800
AA 1718
American Airlines
07:40 San Antonio International
11:58 Ronald Reagan National, terminal 2
3h 18m
Tue
Airbus A319
WN 4845
Southwest Airlines
08:20 San Antonio International, terminal A
14:00 Ronald Reagan National, terminal 1
4h 40m
Mon, Tue, Wed, Thu
UA 2853
United Airlines
08:56 San Antonio International, terminal B
17:55 Washington Dulles International
7h 59m
Daily
Boeing 737-800
UA 1282
United Airlines
11:45 San Antonio International, terminal B
18:20 Washington Dulles International
5h 35m
Daily
Airbus A319
UA 2250
United Airlines
12:15 San Antonio International, terminal B
16:26 Washington Dulles International
3h 11m
Sun
Boeing 737
WN 899
Southwest Airlines
12:20 San Antonio International, terminal A
18:50 Ronald Reagan National, terminal 1
5h 30m
Mon, Tue, Wed, Thu
Boeing 737
UA 2250
United Airlines
12:24 San Antonio International, terminal B
16:35 Washington Dulles International
3h 11m
Mon, Tue, Wed, Thu, Fri, Sat
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 3578
Southwest Airlines
05:05 San Antonio International, terminal A
09:20 Baltimore/Wash International Thurgood Marshall
3h 15m
Seasonal
Boeing 737
WN 4324
Southwest Airlines
06:55 San Antonio International, terminal A
12:35 Ronald Reagan National, terminal 1
4h 40m
Seasonal
Boeing 737
WN 3578
Southwest Airlines
05:50 San Antonio International, terminal A
09:55 Baltimore/Wash International Thurgood Marshall
3h 5m
Seasonal
WN 952
Southwest Airlines
11:50 San Antonio International, terminal A
16:00 Baltimore/Wash International Thurgood Marshall
3h 10m
Seasonal
Boeing 737-800
WN 3578
Southwest Airlines
05:20 San Antonio International, terminal A
09:30 Baltimore/Wash International Thurgood Marshall
3h 10m
Seasonal
Boeing 737
WN 2933
Southwest Airlines
08:55 San Antonio International, terminal A
14:15 Ronald Reagan National, terminal 1
4h 20m
Seasonal
Boeing 737
WN 8
Southwest Airlines
10:40 San Antonio International, terminal A
18:00 Baltimore/Wash International Thurgood Marshall
6h 20m
Seasonal
UA 2853
United Airlines
08:45 San Antonio International, terminal B
17:19 Washington Dulles International
7h 34m
Seasonal
Boeing 737-800
UA 1282
United Airlines
11:47 San Antonio International, terminal B
18:23 Washington Dulles International
5h 36m
Seasonal
Airbus A319
UA 2250
United Airlines
12:12 San Antonio International, terminal B
16:25 Washington Dulles International
3h 13m
Seasonal
Boeing 737-700
AA 1718
American Airlines
06:08 San Antonio International
10:18 Ronald Reagan National, terminal 2
3h 10m
Seasonal
Airbus A319
AA 1718
American Airlines
06:49 San Antonio International
10:59 Ronald Reagan National, terminal 2
3h 10m
Seasonal
Airbus A319
UA 2250
United Airlines
12:20 San Antonio International, terminal B
16:33 Washington Dulles International
3h 13m
Seasonal
Boeing 737-900
AA 1718
American Airlines
07:48 San Antonio International
11:58 Ronald Reagan National, terminal 2
3h 10m
Seasonal
Airbus A319
UA 6127
United Airlines
12:12 San Antonio International, terminal B
16:36 Washington Dulles International
3h 24m
Selected dates
Embraer 175
AA 1718
American Airlines
06:20 San Antonio International
10:33 Ronald Reagan National, terminal 2
3h 13m
Seasonal
Airbus A319
UA 471
United Airlines
07:10 San Antonio International, terminal B
11:20 Washington Dulles International
3h 10m
Seasonal
Boeing 737-700
UA 2853
United Airlines
08:50 San Antonio International, terminal B
18:11 Washington Dulles International
8h 21m
Seasonal
Boeing 737-800
UA 1282
United Airlines
11:50 San Antonio International, terminal B
18:36 Washington Dulles International
5h 46m
Seasonal
Airbus A319
UA 471
United Airlines
07:28 San Antonio International, terminal B
11:38 Washington Dulles International
3h 10m
Seasonal
Boeing 737-700
AA 1718
American Airlines
06:17 San Antonio International
10:30 Ronald Reagan National, terminal 2
3h 13m
Seasonal
Airbus A319
UA 2853
United Airlines
09:00 San Antonio International, terminal B
17:10 Washington Dulles International
7h 10m
Seasonal
Boeing 737-800
WN 642
Southwest Airlines
05:45 San Antonio International, terminal A
09:50 Baltimore/Wash International Thurgood Marshall
3h 5m
Seasonal
Boeing 737
AA 1718
American Airlines
06:10 San Antonio International
10:18 Ronald Reagan National, terminal 2
3h 8m
Seasonal
Airbus A319
WN 4297
Southwest Airlines
06:40 San Antonio International, terminal A
12:15 Ronald Reagan National, terminal 1
4h 35m
Seasonal
UA 471
United Airlines
07:05 San Antonio International, terminal B
11:15 Washington Dulles International
3h 10m
Seasonal
Boeing 737-700
AA 1718
American Airlines
06:05 San Antonio International
10:13 Ronald Reagan National, terminal 2
3h 8m
Seasonal
Airbus A319
UA 4071
United Airlines
12:11 San Antonio International, terminal B
16:35 Washington Dulles International
3h 24m
Selected dates
Embraer 175
WN 3440
Southwest Airlines
05:30 San Antonio International, terminal A
09:35 Baltimore/Wash International Thurgood Marshall
3h 5m
Seasonal
Boeing 737
WN 3962
Southwest Airlines
07:15 San Antonio International, terminal A
13:05 Ronald Reagan National, terminal 1
4h 50m
Seasonal
Boeing 737
WN 3440
Southwest Airlines
05:00 San Antonio International, terminal A
09:05 Baltimore/Wash International Thurgood Marshall
3h 5m
Seasonal
Boeing 737
AA 1718
American Airlines
06:03 San Antonio International
10:18 Ronald Reagan National, terminal 2
3h 15m
Seasonal
Airbus A319
WN 3962
Southwest Airlines
06:45 San Antonio International, terminal A
12:20 Ronald Reagan National, terminal 1
4h 35m
Seasonal
Boeing 737
UA 471
United Airlines
07:30 San Antonio International, terminal B
11:47 Washington Dulles International
3h 17m
Seasonal
Boeing 737-800
WN 1031
Southwest Airlines
07:55 San Antonio International, terminal A
13:25 Baltimore/Wash International Thurgood Marshall
4h 30m
Seasonal
Boeing 737-800
UA 2853
United Airlines
08:55 San Antonio International, terminal B
16:40 Washington Dulles International
6h 45m
Seasonal
Boeing 737-800
WN 3658
Southwest Airlines
09:20 San Antonio International, terminal A
15:35 Ronald Reagan National, terminal 1
5h 15m
Seasonal
UA 2250
United Airlines
12:10 San Antonio International, terminal B
16:20 Washington Dulles International
3h 10m
Seasonal
Boeing 737
WN 4234
Southwest Airlines
12:25 San Antonio International, terminal A
18:15 Ronald Reagan National, terminal 1
4h 50m
Seasonal
UA 2125
United Airlines
05:20 San Antonio International, terminal B
15:56 Washington Dulles International
9h 36m
Seasonal
Boeing 737-800
WN 3724
Southwest Airlines
05:15 San Antonio International, terminal A
09:25 Baltimore/Wash International Thurgood Marshall
3h 10m
Seasonal
Boeing 737-800
WN 3495
Southwest Airlines
10:05 San Antonio International, terminal A
14:15 Baltimore/Wash International Thurgood Marshall
3h 10m
Seasonal
Boeing 737-800
WN 3272
Southwest Airlines
10:00 San Antonio International, terminal A
15:40 Ronald Reagan National, terminal 1
4h 40m
Seasonal
Boeing 737-800
WN 3724
Southwest Airlines
05:25 San Antonio International, terminal A
09:35 Baltimore/Wash International Thurgood Marshall
3h 10m
Seasonal
Boeing 737
WN 1220
Southwest Airlines
05:30 San Antonio International, terminal A
09:50 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
Boeing 737
WN 3673
Southwest Airlines
05:10 San Antonio International, terminal A
09:30 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
WN 1058
Southwest Airlines
09:45 San Antonio International, terminal A
14:00 Baltimore/Wash International Thurgood Marshall
3h 15m
Seasonal
AA 1718
American Airlines
06:15 San Antonio International
10:34 Ronald Reagan National, terminal 2
3h 19m
Seasonal
Airbus A319
WN 3515
Southwest Airlines
05:10 San Antonio International, terminal A
09:30 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
Boeing 737
WN 1096
Southwest Airlines
05:30 San Antonio International, terminal A
11:10 Ronald Reagan National, terminal 1
4h 40m
Seasonal
WN 3516
Southwest Airlines
10:45 San Antonio International, terminal A
15:05 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
Boeing 737
WN 3515
Southwest Airlines
05:20 San Antonio International, terminal A
09:40 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
Boeing 737
WN 3515
Southwest Airlines
05:15 San Antonio International, terminal A
09:35 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
Boeing 737
WN 174
Southwest Airlines
05:55 San Antonio International, terminal A
12:05 Ronald Reagan National, terminal 1
5h 10m
Seasonal
Boeing 737
WN 3516
Southwest Airlines
12:10 San Antonio International, terminal A
16:30 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
Boeing 737
AA 1718
American Airlines
06:13 San Antonio International
10:34 Ronald Reagan National, terminal 2
3h 21m
Seasonal
Airbus A319

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Washington is 1 hour ahead of San Antonio. The search shows seat availability and the price for your date.

Airlines flying San Antonio to Washington

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines28 a week Southwest Airlines20 a week American Airlines7 a week

Airports

Where flights from San Antonio to Washington depart and land

Departure from San Antonio

San Antonio International SAT

55 flights a week, terminals A, B, 7 mi (11 km) from the city centre

About the airport

Arrival in Washington

Washington Dulles International IAD

28 flights a week, 22 mi (36 km) from the city centre

About the airport
Ronald Reagan National closest to the centreDCA

19 flights a week, terminals 1, 2, 3 mi (5 km) from the city centre

About the airport
Baltimore/Wash International Thurgood Marshall BWI

8 flights a week, 28 mi (45 km) from the city centre

About the airport

When to visit Washington

Weather by month

Best time to visit: April, May, September and October, +20° to +26° by day. In November it is +14° by day and +4° at night, with 8 rainy days.

Jan
+6° −2° 8 days
Feb
+9° −1° 10 days
Mar
+15° +3° 8 days
Apr
+20° +8° 11 days
May
+24° +13° 12 days
Jun
+29° +18° 12 days
Jul
+31° +21° 16 days
Aug
+30° +20° 13 days
Sep
+26° +17° 11 days
Oct
+20° +10° 8 days
Nov
+14° +4° 8 days
Dec
+9° 0° 9 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from San Antonio to Washington?
A nonstop flight takes 3 hours 18 minutes on average, from 3h 5m to 9h 36m depending on the flight.
How far is Washington from San Antonio?
1,386 mi (2,230 km) in a straight line between the cities.
Which airlines fly nonstop from San Antonio to Washington?
United Airlines (28 a week), Southwest Airlines (20 a week) and American Airlines (7 a week).
How many flights a day are there from San Antonio to Washington?
8 flights today and 55 a week, about 7.9 a day on average.
When are the first and last flights from San Antonio to Washington?
The first departure is at 05:00 (WN1123), the last at 12:24 (UA2250). Local time.
What is the cheapest upcoming date to fly from San Antonio to Washington?
26 November 2026 (Thursday): from $168 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from San Antonio to Washington?
United Airlines: nonstop tickets from $332 on 26 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between San Antonio and Washington?
Washington is 1 hour ahead of San Antonio. Schedule times on this page are local to each airport.
Which San Antonio airport do flights to Washington leave from?
San Antonio International (55 a week).
Which Washington airport is closest to the city centre?
Ronald Reagan National (DCA), 3 mi (5 km) from the city centre. Others: Washington Dulles International 22 mi (36 km) and Baltimore/Wash International Thurgood Marshall 28 mi (45 km).