S$521 Cheap Flights from Washington to San Antonio

View S$521 flight on Sat, 18 Oct, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$521 for one-way flights and S$606 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$606 Return, found 5 days ago
S$606
Return
found 5 days ago
Select American Airlines flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$606 found 5 days ago
American Airlines
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$618 Return, found 5 days ago
S$618
Return
found 5 days ago
Select American Airlines flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$618 found 5 days ago
Delta
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$624 Return, found 5 days ago
S$624
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$624 found 5 days ago
United
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$625 Return, found 5 days ago
S$625
Return
found 5 days ago
Select United flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$625 found 5 days ago
United
Thu, 16 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$631 Return, found 5 days ago
S$631
Return
found 5 days ago
Select United flight, departing Thu, 16 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$631 found 5 days ago
Delta
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$656 Return, found 5 days ago
S$656
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$656 found 5 days ago
American Airlines
Fri, 17 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$668 Return, found 5 days ago
S$668
Return
found 5 days ago
Select American Airlines flight, departing Fri, 17 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$668 found 5 days ago
United
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$687 Return, found 5 days ago
S$687
Return
found 5 days ago
Select United flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$687 found 5 days ago
United
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$693 Return, found 5 days ago
S$693
Return
found 5 days ago
Select United flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$693 found 5 days ago
Delta
Sat, 18 Oct - Sun, 19 Oct
DCA
Washington
SAT
San Antonio
S$695 Return, found 5 days ago
S$695
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from Washington to San Antonio, returning Sun, 19 Oct, priced at S$695 found 5 days ago

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

February is typically the cheapest month to fly

From S$181 - S$557 per traveller.

Frequently asked questions

How much is a flight from National Airport to SAT?
If you're travelling from DCA to SAT, round-trip journeys start from S$606. This figure is based on fares available 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 today 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 National Airport to San Antonio Airport?
Most flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from National Airport to San Antonio Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DCA to SAT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to San Antonio Airport?
It's around 2,200 kilometres from Ronald Reagan Washington National Airport (DCA) to SAT, so expect to be up in the air for a while. Keep yourself occupied by packing things like playing cards (if you're travelling with friends) or a good old-fashioned book.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to San Antonio Intl. Airport (SAT)?
You won't find any airlines flying directly between Ronald Reagan Washington National Airport (DCA) and SAT, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are Ronald Reagan Washington National Airport (DCA) to SAT flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a fantastic last-minute deal from DCA to San Antonio Intl. Airport (SAT), but it's also possible to miss out entirely! As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can feel confident knowing you're always seeing the latest offers.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
San Antonio Intl.
Return price
S$605
Distance
2206 km
Average flight time
4 hours 46 mins

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Perfect flights from Washington to San Antonio

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Experience the joy of finding cheap flights from Ronald Reagan Washington National to San Antonio Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$521 and roundtrip prices from S$606*.
 

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*Note: Prices may vary based on availability and are subject to change.
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