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£355 Cheap Flights from San Antonio (SAT) to Washington (DCA)

View £355 flight on Fri, 7 Aug 2026Opens in a new window

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 £355 for one-way flights and £1,010 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,010 Return, found 3 days ago
£1,010
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,010 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,122 Return, found 3 days ago
£1,122
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,122 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,277 Return, found 3 days ago
£1,277
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,277 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,292 Return, found 3 days ago
£1,292
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,292 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,355 Return, found 3 days ago
£1,355
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,355 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,370 Return, found 3 days ago
£1,370
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,370 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Sun, 16 Aug
SAT
San Antonio
DCA
Washington
£1,419 Return, found 3 days ago
£1,419
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Sun, 16 Aug, priced at £1,419 found 3 days ago
Alaska Airlines
Tue, 30 Mar - Sat, 3 Apr
SAT
San Antonio
DCA
Washington
£4,914 Return, found 5 days ago
£4,914
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 30 Mar from San Antonio to Washington, returning Sat, 3 Apr, priced at £4,914 found 5 days ago
Alaska Airlines
Tue, 30 Mar - Sat, 3 Apr
SAT
San Antonio
DCA
Washington
£4,992 Return, found 5 days ago
£4,992
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 30 Mar from San Antonio to Washington, returning Sat, 3 Apr, priced at £4,992 found 5 days ago
Alaska Airlines
Thu, 13 Aug - Thu, 20 Aug
SAT
San Antonio
DCA
Washington
£5,041 Return, found 5 days ago
£5,041
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from San Antonio to Washington, returning Thu, 20 Aug, priced at £5,041 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 Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city centre is 8 minutes. Flights from £1,010
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city centre8 min
Flights from £1,010

Frequently asked questions

How much does a flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find one-way and return flights from SAT to DCA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SAT to DCA ticket fares go up or down.
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 around £231. August often sees lower prices as it's a shoulder season for travel, falling after the peak summer rush but before the autumn holiday season. 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)?
Only 1 airline offers direct flights from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA). American Airlines operates 7 direct flights from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA) every week.
What is the cheapest airline that flies from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
American Airlines is one of the cheapest airlines offering nonstop return flights from San Antonio Intl. (SAT) to Ronald Reagan Washington National (DCA), with tickets starting from around £382 for flights that can be booked for departure within the next year. American Airlines also offers one of the cheapest connecting return flights on this route, with tickets starting from around £389. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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.) to Washington, DC (DCA-Ronald Reagan Washington National) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines offers the most daily flights from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), 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 cheapest months to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) are typically August and September, with average return flights costing around £231. These months offer a good balance of more affordable fares and often fewer crowds, making it a great time to plan 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 91 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 Intl. (SAT) to Ronald Reagan Washington National (DCA) typically departs around 5:00 AM local time. This flight is operated by American Airlines and is a seasonal service, active only in July. An early departure like this can help you make the most of your time at your destination. 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 International Airport (SAT) to Ronald Reagan Washington National (DCA) on a Thursday, with around 61 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and United. Flight schedules are fairly consistent throughout the week, with Thursday offering only slightly more options than other days.
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. Many major carriers, including American Airlines, Southwest Airlines and United, offer flights during this window. Many travellers prefer these times as it allows for an early start to their day upon arrival in Washington, DC.
How long does it take to fly from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
A non-stop flight from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) typically takes around 3 hours 30 minutes. This route covers a distance of approximately 2,219 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 5 hours. Flights with two or more stops will extend your journey further, to about 9 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from San Antonio, TX (SAT-San Antonio Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You can fly business class or first class between SAT and DCA. You can fly business class with Frontier Airlines and Delta.First class cabins are available on:
  • Alaska Airlines
  • United
  • Delta
  • American Airlines

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, DC (DCA) from San Antonio, TX (SAT)?
If you're planning to travel to Washington from San Antonio Intl. (SAT), you can fly directly into Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Love Field (DAL), or William P. Hobby (HOU) 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
£1,010
Distance
2206 km
Average flight time
5 hours 38 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 £1,010 and range up to £5,041.  

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 August, 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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