On this page, you can find and book flights from Washington to San Antonio. This 2,233 km route is served regularly, with approximately 6 flights per week, offering flexibility for your travel plans.
Flights on this route are operated by United Airlines and American Airlines. Prices are dynamic, so we recommend using the price trend chart and checking our guides on how to get to the airport for departure or how to get from the airport in San Antonio upon arrival.
Below is a calendar of the lowest flight ticket prices for Washington, D.C. — San Antonio by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $144 in ,, and the most expensive are around $285 in u. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
San Antonio's climate is characterized by hot summers, with August being the peak month, seeing average temperatures up to 36.2°C. Winter months, such as January, are quite cool (with lows around 6.7°C), while rainfall peaks in May.
The lowest flight prices are typically found in July and August — $135. By spring, airfares rise significantly, reaching $285 in April.
The best time to travel is considered September, when the extreme heat subsides and flight costs stabilize. You might want to avoid booking for April if your goal is to save as much as possible on travel costs.
Two major airlines provide regular service on this route: United Airlines and American Airlines. These carriers operate approximately 6 flights per week, ensuring a stable connection between the cities. Below, you'll find a detailed interactive schedule to help you choose the most convenient departure time and view route details for each airline.
Flights Washington, D.C. — San Antonio depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport and arrive at San Antonio International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is 2,233 km. A direct flight takes approximately 3 hours and 15 minutes, though the exact time depends on the aircraft type and weather conditions.
Regular flights between the cities are operated by major US carriers: United Airlines and American Airlines.
Yes, direct flights are available on this route. There are about 6 such flights per week, making it easy to choose a convenient travel day.
Flight prices change constantly based on the season and demand. You can always check the current minimum for specific dates in the low-price calendar on this page.
Flights from the capital arrive at San Antonio International Airport (SAT), located just a few miles from the city's central business district.
We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .
Where travelers fly most — pick a route and check prices
