£367 Cheap Flights from San Antonio (SAT) to Washington (DCA)

View £367 flight on Fri, 12 Jun 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £367 for one-way flights and £614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£614 Return, found 5 days ago
£614
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £614 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£770 Return, found 5 days ago
£770
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £770 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£877 Return, found 5 days ago
£877
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £877 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£880 Return, found 5 days ago
£880
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £880 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£951 Return, found 5 days ago
£951
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £951 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£956 Return, found 5 days ago
£956
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £956 found 5 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SAT
San Antonio
DCA
Washington
£959 Return, found 5 days ago
£959
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 20 May from San Antonio to Washington, returning Wed, 27 May, priced at £959 found 5 days ago
Alaska Airlines
Mon, 18 May - Mon, 25 May
SAT
San Antonio
DCA
Washington
£966 Return, found 5 days ago
£966
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 18 May from San Antonio to Washington, returning Mon, 25 May, priced at £966 found 5 days ago
Alaska Airlines
Sun, 17 May - Sun, 24 May
SAT
San Antonio
DCA
Washington
£977 Return, found 5 days ago
£977
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 17 May from San Antonio to Washington, returning Sun, 24 May, priced at £977 found 5 days ago
Alaska Airlines
Fri, 15 May - Fri, 22 May
SAT
San Antonio
DCA
Washington
£1,059 Return, found 5 days ago
£1,059
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 15 May from San Antonio to Washington, returning Fri, 22 May, priced at £1,059 found 5 days ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city centre is 36 minutes. Flights from £838
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city centre36 min
Flights from £838

Frequently asked questions

What is the cheapest month to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
August is typically the cheapest month to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), with average return fares of approximately £231. This is about 18% lower than the average price throughout the year. August often sees lower prices as it's a shoulder season for many travelers, falling between peak summer and the busy autumn period, leading to reduced demand. Other cheap months to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) include February and September.
Which airlines fly direct from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Enter SAT to DCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best airline to fly with from San Antonio, TX (SAT-San Antonio Intl.) (SAT) to Washington, DC (DCA-Ronald Reagan Washington National) (DCA) will differ from traveller to traveller. If you like to fly early, AA offers early morning flights. If price is the most important factor, AA typically offers the lowest fares. AA offers the most daily flights from San Antonio, TX (SAT-San Antonio Intl.) (SAT) to Washington, DC (DCA-Ronald Reagan Washington National) (DCA), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly from San Antonio, TX (SAT-San Antonio Intl.) (SAT) to Washington, DC (DCA-Ronald Reagan Washington National) (DCA) is typically in August or September. Based on booking data from the past year, you can find return flights for around £231 during these months. These months offer a good balance of lower prices and generally pleasant weather for visiting Washington, DC, allowing you to make the most of your trip.
How many flights per day from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
There are approximately 72 connecting flights per day from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA). Some common connection points include Dallas-Fort Worth Intl. (DFW), Hartsfield-Jackson Atlanta Intl. (ATL), and George Bush Intercontinental (IAH).
What is the earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and is seasonal, active only in July. An early departure like this can help you maximise your time in Washington, DC. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You'll typically find the most flights from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA) on a Friday, with around 58 flights available. This gives you a good selection for your travel plans. Major airlines on this route include American Airlines, Southwest Airlines, and United Airlines. Flight schedules are consistent throughout the week, so you'll have plenty of options no matter when you choose to fly.
What are the most popular departure times for flights from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA) are in the early morning, from 6am to 9am. About 33% of passengers prefer this time. Many major carriers, including American Airlines and Southwest Airlines, offer flights during this window. This timing works well for travellers who want to arrive in Washington, DC early in the day, giving them plenty of time for business or sightseeing.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Direct flights from SAT to DCA usually take about 3 hours 20 minutes, traveling roughly 1,379 miles. If you opt for a connecting flight, expect to add around 1 hour 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Select the "Business class" and "First class" filters when looking for SAT to DCA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from San Antonio Intl. (SAT)?
When traveling from San Antonio Intl. (SAT) to Washington, you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Love Field (DAL), Dallas-Fort Worth Intl. (DFW) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Ronald Reagan Washington National
Return price
£613
Distance
2206 km
Average flight time
5 hours 33 mins

Book with confidence

Compare flights from San Antonio to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Antonio to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Ronald Reagan Washington National in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Antonio Intl. to Ronald Reagan Washington National.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA)

The easiest way to view the best deals on flights from San Antonio to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Antonio Intl. to Ronald Reagan Washington National start at just £614 and range up to £1,059.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Antonio and Washington
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Antonio to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Antonio Intl. to Ronald Reagan Washington National for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Antonio to Washington easily and book with confidence

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