$108 Cheap flights from San Antonio Intl. to Washington Dulles Intl. (SAT to IAD)

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

Change your flight without a fee on select flights

Find The Best Dates To Fly from San Antonio Intl. to Washington Dulles Intl.

Amazing SAT to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $216 round trip and $108 one way. Prices and availability subject to change. Additional terms may apply.

Best Washington Dulles Intl. Flight and Hotel Packages

Washington Dulles Intl. flight + hotel packages - economy flights

Embassy Suites by Hilton Alexandria Old Town
citizenM Washington DC NoMa
Generator Hotel Washington DC
Don't see what you're looking for?
See all available trips from San Antonio Intl. to Washington Dulles Intl.
View all trips
Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Are there direct flights from SAT to Dulles Intl. Airport?
If you’re not a huge fan of layovers, it’s smart to arrange your flight from San Antonio Intl. Airport (SAT) to Dulles Intl. Airport in advance. United Airlines is the only carrier that offers direct flights between San Antonio and Sterling.
How long is the flight from San Antonio Airport to Dulles Intl. Airport?
The flight between SAT and IAD is typically around 5 hours and 20 minutes. Make your trip enjoyable by saving a movie or a few TV shows on your laptop or tablet and enjoying them with your seat fully reclined.
What is the flight distance from San Antonio Intl. Airport (SAT) to Dulles Intl. Airport?
You’ll need to travel about 1,350 mi from San Antonio Airport to Dulles Intl. Airport before you can officially begin your adventures. Pick out a beverage when the drink cart comes by and catch up on a couple of your favorite podcasts. You’ll have loads of time!
What airlines fly from SAT to Dulles Intl. Airport?
Ready to book the airfare for your next awesome adventure? Want to get from SAT to IAD in the shortest time possible? Take one of the 30 direct flights offered by United Airlines each month, and you’ll be hitting the tarmac before you can utter ‘Are we there yet?’
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that 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 2021, flights departing on a Monday 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 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
San Antonio Intl.
Traveling To
Washington Dulles Intl.
Shortest Flight Time
3 hours 21 mins
Earliest Departure Time
7:25AM CDT
Latest Departure Time
12:02PM CDT
Lowest Flight Price
$216

Route Info

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

Discover our best flights from San Antonio SAT to Washington IAD. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from San Antonio SAT to Washington IAD at the right price  

Airfares to Washington IAD from San Antonio SAT currently cost between $216 and $248. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from San Antonio SAT to Washington IAD 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from San Antonio SAT to Washington IAD on Travelocity starting at $108. Prices and availability subject to change. Additional terms may apply. 

 

Get to Washington IAD from San Antonio SAT quicker with direct flights. 

Get to Washington faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAD from SAT to take around 3 hour(s) 21 min(s).  

 

Find our cheapest airfares for flights from San Antonio SAT to Washington IAD

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAD from SAT. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from San Antonio SAT to Washington IAD today 

If you’re flexible about when you travel, April is usually the cheapest month to fly from San Antonio SAT to Washington IAD. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Washington IAD from San Antonio SAT 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAD from SAT have this option.  

 

Travel with confidence when you book flights to Washington IAD from San Antonio SAT with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*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.