Washington (IAD) to San Antonio (SAT) flights
Nonstop from Washington Dulles International to San Antonio International Airport: distance, flying time, which airlines fly it and how often.
Distance
2,189km
1,360 mi, great circle
Flying time
3h 16m
typical, gate to gate
Flights a day
2.4
average, November 2026
Airlines
1
passenger airlines
Airlines flying IAD to SAT
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare IAD to SAT fares by month.
Both directions
- San Antonio International Airport (SAT) · we don't have SAT's route list yet
- All nonstop routes from Washington (IAD)
- IAD to SAT on the flight-path tool
Frequently asked questions
How long is the flight from Washington to San Antonio?
About 3h 16m gate to gate for the 2,189 km (1,360 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from IAD to SAT?
United Airlines, with about 2.4 flights a day between them in our data (AeroDataBox, November 2026).