Cheap Flights from San Antonio (SAT) to Washington (IAD)

Popular airlines from San Antonio International Airport (SAT) to Washington Dulles Intl. Airport (IAD)

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Frequently asked questions

How long does it take to fly from SAT to Dulles Intl. Airport?
A direct flight with United Airlines takes approximately 3 hours and 21 minutes. Grab a seat on the 12:02PM flight from SAT and come in to land at Dulles Intl. Airport at 4:23PM. Clinch an amazing deal on this route when you use Expedia to book your trip.
Is it cheaper to buy a plane ticket from SAT to Washington Dulles Intl. Airport (IAD) last minute?
When it's time to book your flights, it's better to be prepared. While you could find a deal on a San Antonio Airport to Washington Dulles Intl. Airport (IAD) flight at the last minute, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international trips it's three to four months.
What airline has the least delays from San Antonio Airport to Washington Dulles Intl. Airport (IAD)?
Recording an on-time arrival score of 91%, United Airlines is the carrier that's most likely to get you from San Antonio Intl. Airport (SAT) to IAD without any interruptions. Flight delays aren't just frustrating — they can also result in a missed connection that upends your entire journey. You can keep updated by reviewing your flight status through the free Expedia App before you even reach the airport. If you're already there and your plans will be heavily impacted, head to your airline's customer service desk for assistance.
What airports do you fly into for Washington from San Antonio?
Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are your choices when taking off from San Antonio to Washington. About 40 kilometers west of the heart of Washington, Washington Dulles Intl. Airport (IAD) is the city's main entry point. Keep in mind things like flight schedules and the distance to your hotel before deciding where you fly into. White House and United States Capitol are a couple of awesome attractions to put on your itinerary when you get to your destination.
What are the most popular departure times for flights from San Antonio Intl. Airport (SAT) to Washington Dulles Intl. Airport (IAD)?
For United Airlines flights setting off from San Antonio Airport to Washington Dulles Intl. Airport (IAD), the most popular departure times are between 7:00 AM - 8:00 AM. If you'd like to avoid any delays, book the earliest flight. This way you're more likely to avoid air traffic that builds up in the afternoon and evening.
Can I change the date of my flight from San Antonio Intl. Airport (SAT) to IAD?
It's a piece of cake to make changes to your San Antonio Airport to Dulles Intl. Airport journey yourself. Log in to the Expedia Trips portal and click on "change flight." Look around for new flights and book the one that works best with your plans. You'll see an estimate of your flight change fee, if applicable. Alternatively, visit our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Travel information

Origin airport
San Antonio Intl.
Destination airport
Washington Dulles Intl.
Distance
2178 km
Average flight time
3 hours 21 mins

Book with confidence

Book with confidence

San Antonio to Washington Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Antonio to Washington offer the perfect respite. Not only does exploring Washington provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from San Antonio to Washington may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Washington are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Washington more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Washington is now!

San Antonio to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia