Nonstop flights from San Antonio to Washington

3 airlines fly from San Antonio (SAT) to 3 Washington airports (BWI, IAD and DCA), with up to 5 flights a day.

SATBWI

Routes

3 airport pairs

When they leave

San Antonio time

5:00a2:55pFirst departure 5:00 AM, last 2:55 PM

Six in the morning, 5:00 AM to 11:50 AM, then three in the afternoon, 12:15 PM to 2:55 PM.

Every flight

Earliest first

5:00 AM→9:20 AMSAT to BWISouthwest AirlinesBoeing 737 MAX 8Sun
6:00 AM→10:20 AMSAT to BWISouthwest AirlinesBoeing 737Sat
6:11 AM→10:40 AMSAT to DCAAmerican AirlinesUntil Dec 16, back Jan 6, 2027Airbus A319Daily
6:30 AM→10:50 AMSAT to BWISouthwest AirlinesBoeing 737 MAX 8Tue, Wed
7:00 AM→11:20 AMSAT to IADUnited AirlinesBoeing 737Mon, Thu, Fri, Sat, Sun
11:50 AM→4:10 PMSAT to BWISouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri, Sun
12:15 PM→4:35 PMSAT to IADUnited AirlinesBoeing 737 MAX 8Daily
2:35 PM→6:55 PMSAT to BWISouthwest AirlinesBoeing 737 MAX 8Tue, Wed
2:55 PM→7:15 PMSAT to BWISouthwest AirlinesBoeing 737Mon, Thu, Fri

Schedules last checked Sep 21, 2026. Times are local.

Flying from San Antonio to Washington

Southwest Airlines flies most often, 1 to 2 times a day on the Boeing 737 MAX 8 and Boeing 737. United Airlines flies 1 to 2 times a day on the Boeing 737 and Boeing 737 MAX 8. American Airlines flies daily on the Airbus A319.

There are 4 or 5 flights every day of the week. The first arrival in Washington is at 9:20 AM and the last at 7:15 PM.

SAT to BWI is the busiest airport pair, with 13 flights a week, then SAT to IAD with 12 and SAT to DCA with 7.

On SAT to DCA, American Airlines flies it until Dec 16 and is back on Jan 6, 2027.

Flying back, Washington to San Antonio has 35 nonstop flights a week.

Return flights

Washington to San AntonioView

Find the cheapest day to fly from San Antonio to Washington.

Schedules as of Oct 9, 2026.