Direct flights from Washington to San Antonio DCA → SAT
American Airlines flies nonstop from Washington (DCA) to San Antonio (SAT), daily. The flight takes about 3h 21m and covers 1,379 miles (2,219 km). Round-trip fares typically run around $349, with recent bookable fares from $339. Arrivals run on time 70.5% at DCA and 75.6% at SAT — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 30 August 2026.
60-day flexibility overview based on 82 recent fares across the next 60 days
What flexibility is worth here
Flying in November rather than October typically saves $33 on DCA → SAT.
Typical round-trip fare by departure month, across the 3 months we currently track.
How long you stay changes it too
Staying 10–16 nights typically costs $7 less than 6–9 nights.
Most people pick dates first and see the price second. We watch every date combination on this route and tell you when a good one gets cheap. Watch DCA → SAT →
Cheapest combos
American
Best
American
American
🔔 Watch DCA → SAT
We re-run this search daily and email you the moment the price drops below typical.
Free · checked daily · one-click unsubscribe
American Airlines
AA
Departure Schedule typical week
Typical weekly schedule · 7 flights per week · Updated 49d ago
American Airlines
Frequently asked questions
Is there a direct flight from Washington to San Antonio?
Yes, American Airlines operates nonstop flights from Washington (DCA) to San Antonio (SAT).
Which airlines fly direct from Washington to San Antonio?
American Airlines operates nonstop flights from Washington to San Antonio.
How long is the flight from Washington to San Antonio?
The nonstop flight from Washington to San Antonio takes ~3h 21m (approximately 2219 km).
How often do direct flights operate from Washington to San Antonio?
Nonstop flights from Washington to San Antonio operate daily — 7 flights per week.
What is the on-time performance for flights from Washington to San Antonio?
Arrivals run on time 70.5% at DCA and 75.6% at SAT — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Washington to San Antonio?
Direct flights from Washington to San Antonio operate every day of the week.
How much is a round-trip flight from Washington to San Antonio?
Round-trip flights from Washington (DCA) to San Antonio (SAT) start at $268, with a typical fare around $349. Based on 82 recent fare combinations.
What is the cheapest month to fly from Washington to San Antonio?
Across the 3 departure months we currently track, November 2026 is the cheapest month to fly round trip from Washington to San Antonio, with typical fares around $339 — versus about $372 in October 2026, the most expensive.
Does trip length change the round-trip fare from Washington to San Antonio?
Typical round-trip fares from Washington (DCA) to San Antonio (SAT) by trip length: a week away (6–9 nights) about $349, around two weeks (10–16 nights) about $342, and a longer stay (17+ nights) about $342. Medians from 82 recent fare combinations.
Explore More
Scout — our search agent — priced 21 fares on this route in the past week, cheapest $339 round trip. It hunts nonstop fares from Washington every night and pings you when one's worth booking.
Watch it work →