Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Amazing SAT to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $213 round trip and $92 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for SAT to IAD

Carrier Flight Depart SAT Arrive IAD Sat
12/5
Sun
12/6
Mon
12/7
Tue
12/8
Wed
12/9
Thu
12/10
Fri
12/11
Stops
UA 6031 11:45 am 03:56 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

Best Washington Dulles Intl. Flight and Hotel Packages

Washington Dulles Intl. flight + hotel packages - economy flights

FAQs about flights from San Antonio Intl. Airport (SAT) to Washington Dulles Intl. Airport (IAD)

Are there direct flights from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

If you're not exactly fond of stopovers, it's a smart idea to arrange your flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (IAD-Washington Dulles Intl.) in advance. United Airlines is the only airline that operates nonstop flights to Washington (and vicinity) from San Antonio (and vicinity).

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Washington, DC (IAD-Washington Dulles Intl.), please visit our Customer Service Portal.

How long is the flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

If you're traveling from San Antonio to Washington, you can expect the trip to take an average of 3 hours and 41 minutes. If this sounds like more time than you would have liked, why not take advantage of it? Read up on your destination, work on your itinerary and get as much shut-eye as possible before the adventure starts.

What is the flight distance from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Traveling 1,367 mi between San Antonio, TX (SAT-San Antonio Intl.) and Washington, DC (IAD-Washington Dulles Intl.) calls for a glass of bubbly and a movie-watching session. Kick back, pull a blanket over you and enjoy the flight.

What airlines fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

With United Airlines, you won't have to bother with lengthy layovers or sitting around waiting for your flight connection. This top-rated airline will take you nonstop from San Antonio to Washington on one of the 88 flights servicing this route every month.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

San Antonio Intl. to Washington Dulles Intl. Flight FAQ

Traveling FromSan Antonio Intl.
Traveling ToWashington Dulles Intl.
Shortest Flight Time3 hours 11 mins
Earliest Departure Time11:45AM CST
Latest Departure Time11:45AM CST
Lowest Flight Price$213

San Antonio to Washington Carriers and Route Information

Flight path for flights from San Antonio International Airport to Washington Dulles International Airport.


Distance:
1,368.00 miles

Airline carriers and aircraft used on flights from SAT to IAD


Airline Carrier
Aircraft
Frontier Airlines
Boeing 737-800 pax

Popular Flight Routes from San Antonio (SAT)

Travelers at SAT love to visit these top cities. Roam to the top destinations from San Antonio (SAT) today with the cheap prices from Travelocity!

Popular Flight Routes from Washington (IAD)

Travelers at IAD love to visit these top cities. Roam to the top destinations from Washington(IAD) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.