Direct (nonstop) flights from Washington to San Antonio
1 airline flys nonstop from Ronald Reagan Washington National (DCA) to San Antonio International (SAT). It's 1,381 miles (2,222 km), about 3h 43m in the air. Operated by American Airlines.
American Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
AA
American Airlines
Alternative Routes
Other ways to fly from Washington to San Antonio with one stop · direct emits 233 kg CO₂ per passenger
Looking for the return flight?
SAT → DCA: Flights from San Antonio to WashingtonOther direct flights from Washington
Direct flights from San Antonio (SAT)
Frequently Asked Questions
How long is the direct flight from Washington to San Antonio?
A nonstop flight from Washington (DCA) to San Antonio (SAT) takes approximately 3 hours and 43 minutes. The distance is 1,381 miles (2,222 km).
Which airlines fly nonstop from Washington to San Antonio?
Just American Airlines.
Is there a nonstop flight from Washington to San Antonio?
Yes. 1 airline: American Airlines.
How far is Washington from San Antonio?
The flight distance from Washington to San Antonio is 1,381 miles (2,222 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Washington to San Antonio?
At 3h 43m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Washington to San Antonio?
Roughly 233 kg CO2 per passenger one-way. That's about the same as driving 1,165 km.
Is the return flight from San Antonio to Washington also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Washington to San Antonio?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Ronald Reagan Washington National for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.