$95 Cheap Flights from San Antonio (SAT) to Washington (DCA)

View $95 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Ronald Reagan Washington National Airport (DCA)

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

Prices were available within the past 7 days and start at $95 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 27 - Sun, Aug 31
SAT
San Antonio
DCA
Washington
$210 Roundtrip, found 7 hours ago
$210
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Aug 27 from San Antonio to Washington, returning Sun, Aug 31, priced at $210 found 7 hours ago
Delta
Sat, Aug 30 - Sun, Aug 31
SAT
San Antonio
DCA
Washington
$216 Roundtrip, found 5 days ago
$216
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Aug 30 from San Antonio to Washington, returning Sun, Aug 31, priced at $216 found 5 days ago
American Airlines
Sat, Aug 30 - Thu, Sep 4
SAT
San Antonio
DCA
Washington
$219 Roundtrip, found 3 hours ago
$219
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Aug 30 from San Antonio to Washington, returning Thu, Sep 4, priced at $219 found 3 hours ago
Southwest Airlines
Fri, Oct 31 - Wed, Nov 5
SAT
San Antonio
DCA
Washington
$220 Roundtrip, found 3 days ago
$220
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Oct 31 from San Antonio to Washington, returning Wed, Nov 5, priced at $220 found 3 days ago
Southwest Airlines
Tue, Aug 26 - Sat, Aug 30
SAT
San Antonio
DCA
Washington
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 26 from San Antonio to Washington, returning Sat, Aug 30, priced at $221 found 1 day ago
American Airlines
Wed, Aug 20 - Sat, Aug 30
SAT
San Antonio
DCA
Washington
$223 Roundtrip, found 15 hours ago
$223
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Aug 20 from San Antonio to Washington, returning Sat, Aug 30, priced at $223 found 15 hours ago
Southwest Airlines
Tue, Oct 14 - Sat, Nov 1
SAT
San Antonio
DCA
Washington
$225 Roundtrip, found 4 days ago
$225
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 14 from San Antonio to Washington, returning Sat, Nov 1, priced at $225 found 4 days ago
American Airlines
Sat, Aug 30 - Thu, Sep 4
SAT
San Antonio
DCA
Washington
$229 Roundtrip, found 3 hours ago
$229
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Aug 30 from San Antonio to Washington, returning Thu, Sep 4, priced at $229 found 3 hours ago
United
Wed, Aug 27 - Sun, Aug 31
SAT
San Antonio
DCA
Washington
$230 Roundtrip, found 7 hours ago
$230
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 27 from San Antonio to Washington, returning Sun, Aug 31, priced at $230 found 7 hours ago
Frontier Airlines
Thu, Nov 20 - Thu, Nov 27
SAT
San Antonio
DCA
Washington
$235 Roundtrip, found 13 hours ago
$235
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Thu, Nov 20 from San Antonio to Washington, returning Thu, Nov 27, priced at $235 found 13 hours ago

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

February is typically the cheapest month to fly

From $140 - $398 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $268
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $268
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $260
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $260
Flights from San Antonio (SAT) to Washington (DCA)
Origin airport
San Antonio Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$210
Distance
1378 mi
Average flight time
5 hours 14 mins

San Antonio to Washington Flights

The cheapest times to fly from San Antonio to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Washington are during the month of August. You can find some of the cheapest flights from San Antonio to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Washington

Sunday is one of the best days to book for cheap flights from San Antonio to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $95 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA) cost?
You can score cheap return tickets from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA) starting from $189. Snag a seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving SAT on August 14 2025 and touching down at DCA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SAT to DCA?
The cheapest flights from SAT to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SAT to DCA?
With tickets starting at $95 for a one-way flight from SAT to DCA, American Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAT on August 30 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA)?
Direct flights from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAT to DCA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA)?
Book a flight from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from San Antonio Intl. Airport (SAT)?
If you're leaving on a direct flight from San Antonio Intl. Airport (SAT) to Washington, you can arrive at either Washington Dulles Intl. Airport (IAD) or Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute fares from SAT to DCA are generally more expensive. To lock in the lowest prices, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a SAT to DCA flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAT to DCA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Ronald Reagan Washington National Airport (DCA)?
It's usually possible to cancel or reschedule your SAT to DCA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.