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Uncover the best deals on San Antonio to Washington flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SAT - IAD Flights
Useful information for finding best airline tickets from San Antonio International to Washington Dulles International on your next trip.
Cheapest Round Trip Flight
$348
United Airlines
• nonstop
•
Jun 24 – Jul 11
The cheapest round trip flight from San Antonio to Washington (SAT-IAD-SAT) is currently $348
Cheapest Direct Flight
$348
United Airlines
• nonstop
•
Jun 24
The cheapest nonstop flight from San Antonio to Washington (SAT-IAD) is currently $348
Fastest Flight
5h 27m
The fastest nonstop flight from San Antonio to Washington (SAT-IAD) takes 5h 27m
Top Airlines Flying from San Antonio to Washington
Latest Flight Deals from San Antonio (SAT) to Washington (IAD)
Compare and book low fare round-trip air tickets from San Antonio to Washington. Ideal for travelers with confirmed return itineraries.
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Jun 23 - Jul 11, Economy
San Antonio → Washington
35h 11m
8:23 PM - 6:34 PM • 1 stop
San Antonio → Washington
8h 47m
7:31 PM - 11:58 PM • 1 stop
American Airlines
Jun 23 - Jul 11, Economy
San Antonio → Washington
25h 1m
7:07 PM - 11:08 AM • 1 stop
San Antonio → Washington
8h 47m
7:31 PM - 11:58 PM • 1 stop
American Airlines
Jun 23 - Jul 11, Economy
San Antonio → Washington
37h 7m
7:07 PM - 6:34 PM • 1 stop
San Antonio → Washington
18h 43m
9:20 AM - 7:43 PM • 2 stops
American Airlines
Jun 23 - Jul 11, Economy
San Antonio → Washington
22h 25m
8:23 PM - 11:08 AM • 1 stop
San Antonio → Washington
20h 26m
9:20 AM - 8:46 PM • 2 stops
American Airlines
Flying to Washington soon? We've surfaced some of the most affordable last-minute flights from San Antonio to Washington, ideal for urgent plans or spontaneous trips.
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • 1 stop
San Antonio → Washington
- • 1 stop
Delta Airlines
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • 1 stop
San Antonio → Washington
- • 1 stop
American Airlines
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • 1 stop
San Antonio → Washington
- • 1 stop
United Airlines
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Looking for the fastest way to Washington? These direct flight options from SAT to IAD offer both convenience and value—no layovers, just straight to your destination.
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Jun 24 - Jul 11, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Jun 29 - Jul 07, Economy
San Antonio → Washington
- • nonstop
San Antonio → Washington
- • nonstop
United Airlines
Jun 24 - Jul 01, Economy
San Antonio → Washington
5h 27m
12:01 PM - 4:28 PM • nonstop
San Antonio → Washington
5h 34m
8:25 AM - 10:59 AM • nonstop
United Airlines
FAQs on San Antonio to Washington Flights
What are the airports in San Antonio?
SAT
What’s the most popular airline flying from SAT to IAD?
The most popular airline flying from San Antonio to Washington are
Can I fly from SAT to IAD non-stop?
Yes, you can fly SAT to IAD non-stop on
Which airlines fly nonstop between San Antonio and Washington?
The non-stop flights between San Antonio and Washington are .
What’s the earliest departure time from SAT to IAD Airport?
The earliest flight leaves SAT at 7:00 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my San Antonio to Washington flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SAT to IAD?
Read the fare rules of the San Antonio to Washington air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from San Antonio and Washington?
operate flights between San Antonio and Washington
How long does a flight from San Antonio to Washington take?
It takes approximately 3 hour to fly non-stop from SAT to IAD, which is 1361.91 miles by air.
Which airlines provide the cheapest flights from San Antonio (SAT) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from SAT were found on AA : USD 874
Do I need a passport to fly between SAT and IAD?
No
What’s the latest departure time from SAT to IAD ?
The last flight leaves SAT at 4:1800 pm
San Antonio (SAT) to Washington (IAD): Airport Information
| Origin Airport | San Antonio International , San Antonio, US |
| Destination Airport | Washington Dulles International , Washington, US |
| Distance | 1362 miles |
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