$97 Find Cheap Flights from San Antonio to Washington Dulles Airport - Compare and Save

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

• Earliest: departs at 7:00 am and lands at 10:12 am
• Latest: departs at 12:25 pm and lands at 3:37 pm.

The flight takes about 3h 12m.

Two cabin classes are available on flights from San Antonio to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class

A nonstop flight from San Antonio to Washington, D.C. Dulles Intl Airport takes 3h 12m, covering 1,360 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 San Antonio to Washington, D.C. Dulles Intl Airport range from $314 to $508, with an average of $398 over the past 12 months. Anything below $314 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 40% above the $398 route average. Book 19 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $327 round-trip via Dallas/Fort Worth (DFW), compared to $399 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-700 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

Morning is the busiest departure period on San Antonio to Washington, D.C. Dulles Intl Airport flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $282 to $2,107. That means the highest observed fare was about 7x higher than the lowest one.

JetBlue is the only airline on the San Antonio to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from San Antonio to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $123, which is 59% below the typical average for this route.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Sixt
• Thrifty

Flights from San Antonio to Washington, D.C. Dulles Intl Airport usually depart from San Antonio (SAT) and arrive at Washington, D.C. Dulles Intl (IAD).

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

• Atlanta Hartsfield-Jackson (ATL) - 51% of one-stop connections
• Dallas/Fort Worth (DFW) - 15% of one-stop connections
• Denver Intl (DEN) - 7% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 7% of one-stop connections

Yes. Flexible dates can save you up to 29% on flights from San Antonio to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $359 round-trip on average, while Monday is the most expensive at $502, a difference of $143.

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 United Airlines operates flights between San Antonio and Washington, D.C. Dulles Intl Airport.

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 5h 42m, compared with 6h 04m via Detroit Metropolitan Wayne County (DTW) and 6h 11m via Houston George Bush Intcntl (IAH).

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

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Among airlines operating San Antonio to Washington, D.C. Dulles Intl Airport flights:

• United 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:

• United 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.