Cheap flights from San Antonio to Washington, D.C.

San Antonio
SAT
Washington
WAS

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

Below you can see the best deals on flights San Antonio — Washington, D.C. for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 6 October, from $134.

Top 10 cheap flights from San Antonio to Washington, D.C.

F9
F9
$ 200

San Antonio — Washington, D.C.

20:26—12:51
21 Aug 2026
15 h 25 m
1 stop
F9
F9
$ 210

San Antonio — Washington, D.C.

22:24—08:04
21 Aug 2026
8 h 40 m
1 stop
F9
F9
$ 222

San Antonio — Washington, D.C.

20:26—12:51
20 Aug 2026
15 h 25 m
1 stop
F9
F9
$ 301

San Antonio — Washington, D.C.

22:24—08:04
22 Aug 2026
8 h 40 m
1 stop
F9
F9
F9
$ 312

San Antonio — Washington, D.C.

21:32—17:14
17 Aug 2026
18 h 42 m
2 stops
F9
F9
F9
$ 312

San Antonio — Washington, D.C.

19:49—17:14
17 Aug 2026
20 h 25 m
2 stops
F9
F9
F9
$ 312

San Antonio — Washington, D.C.

21:32—22:52
17 Aug 2026
24 h 20 m
2 stops
F9
F9
F9
$ 312

San Antonio — Washington, D.C.

19:49—22:52
17 Aug 2026
26 h 3 m
2 stops
F9
F9
F9
$ 312

San Antonio — Washington, D.C.

20:26—17:14
18 Aug 2026
19 h 48 m
2 stops
F9
F9
F9
$ 312

San Antonio — Washington, D.C.

20:26—22:52
18 Aug 2026
25 h 26 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Antonio — Washington, D.C. flight

Looking for cheap flights from San Antonio to Washington, D.C.? Compare fares from different airlines, check the flight schedule and travel time — and book your San Antonio — Washington, D.C. ticket online at the best price.

The route has direct flights — around 18 flights per week, flights are operated by American Airlines, United Airlines, a nonstop flight takes about 3 h 22 min, the distance between the cities is around 2,233 km.

Planning your trip? You may find our Washington, D.C. travel guide, how to get from the airport into town and Washington, D.C. weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

YesDirect flights
2,233 kmDistance
3 h 22 minTravel time
2Airlines
18 / wkFlights

Flight schedule from San Antonio to Washington, D.C.

The table shows direct flights from San Antonio to Washington, D.C. on the selected date. The flight takes approximately 3 h 22 min. Regular flights are operated by American Airlines and United Airlines. Departures from San Antonio International Airport airports, arrivals at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 16 Aug 2026

Prices by month

Average one-way fares from San Antonio to Washington, D.C. by month. Tickets are usually cheapest in February (around $164) and priciest in December (about $220) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$168lowMay$192mediumSep$168low
Feb$164lowJun$173lowOct$187medium
Mar$215highJul$196mediumNov$206high
Apr$211highAug$192mediumDec$220high

Some values are estimated based on seasonality.

When to fly

Weather in Washington, D.C.: it is warmest in July (up to 32 °C on average) and coolest in January (around 7 °C). The driest month is October.

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

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How to get the best deal on a San Antonio — Washington, D.C. ticket

  • Book ahead: fares for San Antonio — Washington, D.C. are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Antonio — Washington, D.C. route are operated by 2 airlines; American Airlines runs the most flights (around 78% of all flights). Compare carriers, flight shares and schedules below.

  • American AirlinesAA
    5x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight SAT → DCA5x/week
      Duration
      3h 25m
      Days
      MTWTFSS
    77.8%Open →
  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SAT → IAD1x/week
      Duration
      3h 20m
      Days
      MTWTFSS
    22.2%Open →

Cities and airports on the San Antonio — Washington, D.C. route

Flights San Antonio — Washington, D.C. depart from San Antonio International Airport and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Antonio

SAT
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Washington, D.C.

WAS
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the San Antonio — Washington, D.C. flight

How long is the flight from San Antonio to Washington, D.C.?

A nonstop San Antonio — Washington, D.C. flight takes about 3 h 22 min — the distance between the cities is around 2,233 km.

How far is it from San Antonio to Washington, D.C.?

The distance from San Antonio to Washington, D.C. is about 2,233 km, which a nonstop flight covers in around 3 h 22 min.

Are there direct flights from San Antonio to Washington, D.C.?

Yes, there are nonstop flights San Antonio — Washington, D.C. — around 18 flights per week.

Which airlines fly from San Antonio to Washington, D.C.?

Airlines operating San Antonio — Washington, D.C. include American Airlines, United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Antonio — Washington, D.C. flights use?

Flights from San Antonio depart from San Antonio International Airport, and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Antonio to Washington, D.C.?

The price of a San Antonio — Washington, D.C. ticket depends on your travel date, season and demand. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Antonio — Washington, D.C.?

Flights San Antonio — Washington, D.C. are usually cheaper when booked in advance — a few weeks before departure and away from peak dates. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Antonio to Washington, D.C.?

To catch a low fare San Antonio — Washington, D.C., book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Antonio

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DallasLos AngelesHoustonChicagoAtlantaLas VegasDenverPhoenixMinneapolisMexico CitySalt Lake CityCharlotteDetroitSeattleMonterreyNew York CityOrlandoGuadalajaraPhiladelphiaMiamiFort LauderdaleCancunSan JuanBostonTorontoQuerétaroSan FranciscoLeonTampaSan Luis PotosíBrownsvilleManhattanLafayette

Where else you can fly from Washington, D.C.

See all
New York CityChicagoAtlantaBostonOrlandoTorontoCharlotteHoustonDetroitSeattleMinneapolisDallasMiamiFort LauderdaleMontrealDenverRaleighLos AngelesNashvilleSan FranciscoPittsburghTampaBuffaloIndianapolisCincinnatiProvidencePhiladelphiaLondonRochesterOttawaKnoxvilleColumbusClevelandAlbanySouth PortlandNorth CharlestonSan SalvadorSan DiegoBurlingtonSavannah

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