$145 Find Cheap Flights from Reagan Washington National Airport to San Antonio - Compare and Save

These are the earliest and latest flight times available from Washington, D.C. Reagan-National Airport to San Antonio:

• Earliest: departs at 1:35 pm and lands at 5:35 pm
• Latest: departs at 5:30 pm and lands at 9:30 pm.

The flight takes about 4h.

Three cabin classes are available on flights from Washington, D.C. Reagan-National Airport to San Antonio:

• Economy Class
• Business Class
• First Class

A nonstop flight from Washington, D.C. Reagan-National Airport to San Antonio takes 4h, covering 1,378 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Washington, D.C. Reagan-National Airport to San Antonio range from $308 to $482, with an average of $373 over the past 12 months. Anything below $308 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 33% above the $373 route average. Book 24 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $288 round-trip via Denver Intl (DEN), compared to $353 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A319 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Boeing 737-700 variants.

Evening is the busiest departure period on Washington, D.C. Reagan-National Airport to San Antonio flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

Two airlines offer in-flight Wi-Fi on Washington, D.C. Reagan-National Airport to San Antonio flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Washington, D.C. Reagan-National Airport to San Antonio are currently lower than usual. Average one-way flight prices are about $155, which is 43% below the typical average for this route.

Flights from Washington, D.C. Reagan-National Airport to San Antonio usually depart from Washington, D.C. Reagan-National (DCA) and arrive at San Antonio (SAT).

One-stop flights from Washington, D.C. Reagan-National Airport to San Antonio most commonly connect through:

• Houston George Bush Intcntl (IAH) - 34% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 21% of one-stop connections
• Denver Intl (DEN) - 10% of one-stop connections
• Dallas Love Field (DAL) - 8% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from Washington, D.C. Reagan-National Airport to San Antonio. Tuesday is the cheapest departure day at $346 round-trip on average, while Sunday is the most expensive at $493, a difference of $147.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only American Airlines operates flights between Washington, D.C. Reagan-National Airport and San Antonio.

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 5h 22m, compared with 5h 23m via Houston Hobby (HOU) and 5h 29m via Charlotte Douglas (CLT).

San Antonio is 1 hour behind Washington, D.C. Reagan-National Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

Among airlines operating Washington, D.C. Reagan-National Airport to San Antonio flights:

• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.