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

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

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Find the cheapest month to fly from Washington (IAD) to San Antonio (SAT)

May is typically the cheapest month to fly

From CA $246 - CA $521 per traveller.

Graph displaying average flight prices per month

Flight from Washington to San Antonio (IAD - SAT) route information
Origin airport
Washington Dulles Intl.
Destination airport
San Antonio Intl.
Roundtrip price
CA $458
Distance
2178 km
Average flight time
2 hours 34 mins

Chantilly to San Antonio Flights

The easy way to book your flights from Washington to San Antonio 

With Expedia, it’s simple to find and book flights to San Antonio from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are Air Canada, Brussels Airlines, Lufthansa, United Airlines nonstop flights to San Antonio Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to San Antonio today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to San Antonio Intl., SAT 

Sort your search results by price to find great deals on your flight from Washington to San Antonio—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Antonio from Washington currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Antonio  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to San Antonio from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Antonio with Expedia today.

Frequently asked questions

How much is a flight from IAD to San Antonio Intl. Airport (SAT)?
If you're travelling between Dulles Intl. Airport and SAT, round-trip journeys start from . This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to San Antonio Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to San Antonio Airport that have flexible change policies?
Select our "No change fees" filter to find flexible travel options for your flight from Dulles Intl. Airport to SAT. This allows you to secure a good price in advance and still have the freedom to reschedule without any additional fees. You'll just need to pay the fare difference, if applicable.
How many hours is the flight from IAD to SAT?
There are lots of ways to make the 6 hours and 25 minutes between Dulles Intl. Airport and San Antonio Airport go by faster. If you want to be productive, sort through your photos or clear out all those unwanted emails. A snooze also helps pass the time!
How far is the flight from Washington Dulles Intl. Airport (IAD) to SAT?
The flight distance between IAD and San Antonio Airport is 2,200 kilometres. Bring a snack, a drink and an interesting novel to read. Keep yourself entertained and time will zip by.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to San Antonio Airport?
Operating 60 flights every month, United Airlines (UA) is a popular choice when flying directly from IAD to San Antonio Airport.
Are Dulles Intl. Airport to SAT flight tickets cheaper when they're purchased at the last minute?
It is possible to get an awesome last-minute deal from Dulles Intl. Airport to San Antonio Airport, but it's also possible to miss out entirely! As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can feel confident knowing you're always seeing the latest offers.

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