$88 Cheap Flights from Washington (IAD) to San Antonio (SAT)

Bundle Your Flight + Hotel & Save!

Featured airlines

Top nine airline logos for desktop

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $88 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jul 1 - Wed, Jul 10
IAD
Washington
SAT
San Antonio
$190 Roundtrip, found 2 hours ago
$190
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Jul 1 from Washington to San Antonio, returning Wed, Jul 10, priced at $190 found 2 hours ago
American Airlines
Tue, Aug 13 - Tue, Aug 20
IAD
Washington
SAT
San Antonio
$205 Roundtrip, found 2 days ago
$205
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 13 from Washington to San Antonio, returning Tue, Aug 20, priced at $205 found 2 days ago
American Airlines
Tue, Aug 13 - Tue, Aug 20
IAD
Washington
SAT
San Antonio
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 13 from Washington to San Antonio, returning Tue, Aug 20, priced at $207 found 2 days ago
American Airlines
Tue, Aug 13 - Tue, Aug 20
IAD
Washington
SAT
San Antonio
$208 Roundtrip, found 2 days ago
$208
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 13 from Washington to San Antonio, returning Tue, Aug 20, priced at $208 found 2 days ago
American Airlines
Tue, Jul 30 - Sat, Aug 3
IAD
Washington
SAT
San Antonio
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 30 from Washington to San Antonio, returning Sat, Aug 3, priced at $212 found 1 day ago
American Airlines
Tue, Jul 30 - Sat, Aug 3
IAD
Washington
SAT
San Antonio
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 30 from Washington to San Antonio, returning Sat, Aug 3, priced at $213 found 1 day ago
Delta
Wed, Jul 3 - Tue, Jul 9
IAD
Washington
SAT
San Antonio
$215 Roundtrip, just found
$215
Roundtrip
just found
Select Delta flight, departing Wed, Jul 3 from Washington to San Antonio, returning Tue, Jul 9, priced at $215 just found
American Airlines
Mon, Jul 1 - Wed, Jul 10
IAD
Washington
SAT
San Antonio
$215 Roundtrip, found 2 hours ago
$215
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Jul 1 from Washington to San Antonio, returning Wed, Jul 10, priced at $215 found 2 hours ago
American Airlines
Mon, Sep 9 - Sat, Sep 14
IAD
Washington
SAT
San Antonio
$217 Roundtrip, found 13 hours ago
$217
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 9 from Washington to San Antonio, returning Sat, Sep 14, priced at $217 found 13 hours ago
American Airlines
Mon, Sep 9 - Sat, Sep 14
IAD
Washington
SAT
San Antonio
$218 Roundtrip, found 13 hours ago
$218
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 9 from Washington to San Antonio, returning Sat, Sep 14, priced at $218 found 13 hours ago
Flights from Washington (IAD) to San Antonio (SAT)
Origin airport
Washington Dulles Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$190
Distance
1361 mi

Washington to San Antonio Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to San Antonio offer the perfect respite. Not only does exploring San Antonio 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 Washington to San Antonio 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 IAD to SAT 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 San Antonio are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to San Antonio more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Antonio is $88 now!

Frequently asked questions

How much is a one-way flight from Washington Dulles Intl. Airport (IAD) to San Antonio Intl. Airport (SAT)?
Reserve your tickets with Expedia and you could score one-way Washington flights to San Antonio from $98. This was the best fare found for this journey leaving during the next three months — an American Airlines flight, jetting off from Dulles Intl. Airport on August 14 2024 and touching down at San Antonio Intl. Airport (SAT). The price was updated on May 23 2024 and has not changed since. Can’t wait to land your own bargain? Terrific deals are at your fingertips.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to San Antonio Airport?
Book a seat with United Airlines and you’ll be traveling for around 3 hours and 22 minutes. This leading carrier has a direct flight that leaves at 8:33AM from IAD and lands at SAT at 10:55AM. Expedia has some incredible flight deals, so take a peek at what’s on offer on this route today.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to San Antonio Airport last minute?
When it’s time to book your flights, it pays to be prepared. While you could find a deal on a Washington Dulles Intl. Airport (IAD) to San Antonio Airport flight at the last minute, prices usually don’t get cheaper as the departure date 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 travel it’s between three and four months.
What is the cheapest airline flying from Washington Dulles Intl. Airport (IAD) to San Antonio Airport in the next 90 days?
Based on airfares found on Expedia with a departure date within the next 90 days, American Airlines is the cheapest carrier flying from Washington to San Antonio. The fare for this route starts from $98. This flight departs from IAD on August 14 2024 and touches down at San Antonio Intl. Airport (SAT). The price was updated on May 23 2024 and has not changed since.
What's the cheapest price for a flight from IAD to San Antonio Intl. Airport (SAT) next month?
Pick up a one-way flight from Washington to San Antonio for only $123. This is the best price for this route departing in the next month. It’s an American Airlines flight leaving IAD on June 19 2024 and arriving at San Antonio Intl. Airport (SAT). The airfare was last updated on May 31 2024 and has not changed since. It was found after searching all available flights on Expedia within the next 30 days.
What airline has the least delays from IAD to San Antonio Airport?
With an on-time performance rate of 81%, United Airlines is the carrier most likely to fly you from Dulles Intl. Airport to San Antonio Airport without any delays. Flight delays aren’t just an annoyance — they can also result in a missed connection that upends your entire trip. You can stay updated by reviewing your flight status through the Expedia App before you even get to the airport. If you’re already there and your plans will be significantly impacted, head to the customer service desk for assistance.
Can I find cheap nonstop flights from IAD to San Antonio Intl. Airport (SAT) in the next three months?
The cheapest price we could find for a roundtrip nonstop flight from Washington to San Antonio in the next 90 days is $229. This figure is based on available flights on Expedia with a departure date in the next three months. This fare is for a flight via United departing from Dulles Intl. Airport on June 26 2024 and landing at San Antonio Intl. Airport (SAT), with a return flight on July 1 2024. This price was last updated on May 31 2024.Use our handy filters to track down nonstop cheap flights from Washington Dulles Intl. Airport (IAD) to San Antonio Intl. Airport (SAT). Simply click “Nonstop” under “Filter by” once your search results come up. Travel plans not yet fixed? You can also try the “Flexible dates” dropdown menu to compare ticket prices for nearby days. Booking a fare that best suits your budget and timetable couldn’t be easier.
What airports do you fly into for San Antonio from Sterling?
Sterling to San Antonio flights land at San Antonio Intl. Airport (SAT). Settle in to your hotel and then visit some of the city’s top sights, such as Alamo and Alamodome. The airport is approximately 7 mi north of the heart of San Antonio.
What are the most popular departure times for flights from IAD to San Antonio Intl. Airport (SAT)?
The most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to SAT fall between 5:00 PM - 6:00 PM on United Airlines. One helpful tip is to zoom off in the morning. The earlier you travel, the better your odds of a delay-free flight with less air traffic in the skies.
Can I change the date of my flight from Washington Dulles Intl. Airport (IAD) to San Antonio Airport?
It’s a cinch to make amendments to your IAD to San Antonio Airport journey yourself. Access your itinerary via the Expedia Trips portal and hit “change flight.” Look around for new flights and choose the one that fits your plans. You’ll get an estimate of any flight change fees. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.
*Available to One Key members.