WAS - SAT

$119 Find Cheap Flights from Washington, D.C. to San Antonio - Compare and Save

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Everything you should know

Cheapest round-trip
$226
Typical prices: $309-$503
Frontier
Sat 10/20Tue 10/23
BWI - SAT • 1 stop
Cheapest non-stop
$313
Typical prices: $307-$510
American Airlines
Tue 10/9Sun 10/14
DCA - SAT • Non-stop
Nonstop flights
You can fly direct with United Airlines and American Airlines. Average duration is 3h 48m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 7% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $285 (round-trip)
Shortest trip • 5h 21m (one-way)
Insights
Insights
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We hope you love your trip to San Antonio!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Washington, D.C. to San Antonio (WAS-SAT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to San Antonio

Tue, Oct 20 - Fri, Oct 23
Frontier Logo
7:05 pm - 9:08 amBWI  Baltimore/Washington-SAT San Antonio
15h 03m1 stop Orlando
Frontier Logo
10:03 am - 8:20 amSAT  San Antonio-BWI Baltimore/Washington
21h 17m1 stop Orlando
$226Frontier
Thu, Oct 1 - Wed, Oct 7
Frontier Logo
9:32 pm - 9:10 amBWI  Baltimore/Washington-SAT San Antonio
12h 38m1 stop Orlando
Frontier Logo
10:03 am - 8:20 amSAT  San Antonio-BWI Baltimore/Washington
21h 17m1 stop Orlando
$240Frontier
Thu, Dec 10 - Tue, Dec 15
United Airlines Logo
6:30 am - 10:52 amIAD  Washington, D.C. Dulles Intl-SAT San Antonio
5h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
11:48 am - 6:23 pmSAT  San Antonio-IAD Washington, D.C. Dulles Intl
5h 35m1 stop Houston George Bush Intcntl
$308United Airlines
Fri, Oct 30 - Tue, Nov 3
United Airlines Logo
8:25 am - 11:18 amIAD  Washington, D.C. Dulles Intl-SAT San Antonio
3h 53mnonstop
United Airlines Logo
8:56 am - 5:55 pmSAT  San Antonio-IAD Washington, D.C. Dulles Intl
7h 59m1 stop Denver Intl
$310United Airlines
Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
5:30 pm - 8:29 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
3h 59mnonstop
American Airlines Logo
6:00 am - 10:18 amSAT  San Antonio-DCA Washington, D.C. Reagan-National
3h 18mnonstop
$313American Airlines
Fri, Oct 23 - Wed, Oct 28
American Airlines Logo
5:15 pm - 8:08 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
3h 53mnonstop
American Airlines Logo
6:14 am - 10:35 amSAT  San Antonio-DCA Washington, D.C. Reagan-National
3h 21mnonstop
$313American Airlines
Thu, Oct 8 - Thu, Oct 15
Delta Logo
7:40 pm - 12:33 amDCA  Washington, D.C. Reagan-National-SAT San Antonio
5h 53m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:36 am - 6:37 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
6h 01m1 stop Detroit Metropolitan Wayne County
$314Delta
Mon, Oct 5 - Tue, Oct 13
Southwest Logo
8:25 pm - 11:05 pmBWI  Baltimore/Washington-SAT San Antonio
3h 40mnonstop
Southwest Logo
5:15 am - 9:30 amSAT  San Antonio-BWI Baltimore/Washington
3h 15mnonstop
$317Southwest
Tue, Dec 8 - Tue, Dec 15
Southwest Logo
8:15 am - 11:15 amBWI  Baltimore/Washington-SAT San Antonio
4h 00mnonstop
Southwest Logo
2:45 pm - 6:55 pmSAT  San Antonio-BWI Baltimore/Washington
3h 10mnonstop
$317Southwest
Thu, Nov 19 - Tue, Dec 1
Delta Logo
5:00 pm - 12:33 amIAD  Washington, D.C. Dulles Intl-SAT San Antonio
8h 33m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:16 am - 2:02 pmSAT  San Antonio-IAD Washington, D.C. Dulles Intl
7h 46m1 stop Atlanta Hartsfield-Jackson
$324Delta
Booking Insights

Price, demand and travel trends for Washington, D.C. to San Antonio flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. to San Antonio with more confidence.

How much is a round-trip flight from Washington, D.C. to San Antonio?

Round-trip flights from Washington, D.C. to San Antonio start at $226. Prices are below average for this route right now, with typical round-trip fares ranging from $309 to $503. The lowest price found in the past 5 days was $226 on Frontier.

What is the cheapest Washington, D.C. to San Antonio flight route?

Washington, D.C. Reagan-National Airport (DCA) to San Antonio (SAT) is the cheapest Washington, D.C. to San Antonio route, averaging $347 round-trip. Other Washington, D.C. to San Antonio routes average $399, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. to San Antonio?

Thursday is the cheapest day of the week to fly from Washington, D.C. to San Antonio, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 32% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. to San Antonio?

  • January is the cheapest month to fly from Washington, D.C. to San Antonio at $333 round-trip.
  • May ($451) and June ($433) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 35% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. to San Antonio the cheapest?

Flights from Washington, D.C. to San Antonio are cheapest 23 weeks before departure. Booking in this window typically costs about 39% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Washington, D.C. to San Antonio

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Ramsey Qubein

Ramsey Qubein

Expert on DCA

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Brandon Schultz

Brandon Schultz

Expert on SAT

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for Washington, D.C. to San Antonio flights

Low season

August

Cheapest flight

$119
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Baltimore to San Antonio

When to book flights from Washington, D.C. to San Antonio

Are your dates flexible? Find out the best times to travel from Washington, D.C. to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to San Antonio flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What are the popular layover airports for flights from Washington, D.C. to San Antonio?

    George Bush Intercontinental Airport (IAH), O'Hare International Airport (ORD), and Dallas/Fort Worth International Airport (DFW) are some of the popular layover airports for flights from Washington, D.C. to San Antonio. For example, if you fly with United Airlines, you will be having layovers at ORD or IAH.

  • Which other cities can I connect to from San Antonio International Airport (SAT)?

    If you a flight from Washington, D.C. to San Antonio, you will be able to connect to a number of other cities served by San Antonio International Airport. For instance, you can conveniently connect to Concan, Fredericksburg, or Port Aransas from SAT using rental cars.

  • Can I upgrade to first class if I book economy with any of the airlines flying from Washington, D.C. to San Antonio?

    Yes. If you book American Airlines or Delta, you can be able to fly first class from BWI to SAT by taking advantage of the offer to upgrade from economy to first class by topping up some little money on what they have paid for their ticket. It is cheaper to fly first class through this option than to book first class directly.

  • Which airline among those flying from Washington, D.C. to San Antonio is more eco-friendly?

    Among the airlines offering flights from Washington, D.C. to San Antonio, Frontier tops the list of highly eco-friendly airlines. The airline has a program aimed at reducing carbon emission by adopting fuel-efficient engines across all its aircraft.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. to San Antonio flights?

    Among airlines operating Washington, D.C. to San Antonio flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Washington, D.C. to San Antonio?

    2 airlines operate flights between Washington, D.C. and San Antonio. The airlines offering nonstop flights on this route include:

    • United Airlines
    • American Airlines

  • Which airports can I use when flying from Washington, D.C. to San Antonio?

    Flights from Washington, D.C. to San Antonio may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at San Antonio (SAT).

  • Which airlines include bags at no extra cost on Washington, D.C. to San Antonio flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Washington, D.C. to San Antonio?

    Three cabin classes are available on flights from Washington, D.C. to San Antonio:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Washington, D.C. to San Antonio?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $285 round-trip via Chicago O'Hare Intl (ORD), compared to $387 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. to San Antonio?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Washington, D.C. to San Antonio pass through?

    One-stop flights from Washington, D.C. to San Antonio most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 32% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 30% of one-stop connections
    • Denver Intl (DEN) - 10% of one-stop connections
    • Charlotte Douglas (CLT) - 6% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. to San Antonio?

    Yes. Being flexible with your travel dates can save you up to 30% on the Washington, D.C. to San Antonio route. Thursday is the cheapest departure day at $356 round-trip on average, while Sunday is the most expensive at $508, a difference of $152. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Washington, D.C. to San Antonio spread across the day?

    Evening is the busiest departure period on Washington, D.C. to San Antonio flights, with 66% of flights leaving in that window. Morning departures account for 34%, afternoon flights for 0%, and night flights for 0%.

  • What popular places can I visit in San Antonio?

    Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

  • What are the earliest and latest flights from Washington, D.C. to San Antonio?

    These are the earliest and latest flight times available from Washington, D.C. to San Antonio:

    • Earliest: departs at 8:15 am and lands at 12:03 pm
    • Latest: departs at 6:16 pm and lands at 10:04 pm.

    The flight takes about 3h 48m.

  • How expensive are last-minute Washington, D.C. to San Antonio flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $382. Book 23 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. to San Antonio?

    A nonstop flight from Washington, D.C. to San Antonio takes 3h 48m, covering 1,379 miles.

  • Do I need a passport to fly from Washington, D.C. to San Antonio?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Washington, D.C. to San Antonio looking right now?

    One-way fares from Washington, D.C. to San Antonio are currently lower than usual. Average one-way flight prices are about $157, which is 41% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. to San Antonio?

    Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 5h 21m, compared with 5h 23m via Houston Hobby (HOU) and 5h 30m via Charlotte Douglas (CLT).

  • What is the time difference between Washington, D.C. and San Antonio?

    San Antonio is 1 hour behind Washington, D.C. (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Antonio Airport (SAT)?

    San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
    · Europcar
    · Fox
    · Dollar
    · Hertz
    · Alamo

  • How much should I expect to pay for a Washington, D.C. to San Antonio flight?

    Round-trip flights from Washington, D.C. to San Antonio range from $309 to $503, with an average of $382 over the past 12 months. Anything below $309 counts as a good deal.

  • Which airlines offer Wi-Fi on Washington, D.C. to San Antonio flights?

    Two airlines offer in-flight Wi-Fi on Washington, D.C. to San Antonio flights:

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Washington, D.C. to San Antonio flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $356 - about $152 less than Sunday (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 39% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. to San Antonio trip for January. Fares historically average $333 round-trip in that month - typically $118 less than the most expensive month, which is May (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Chicago O'Hare Intl Airport (ORD) can be cheaper than flying direct. The cheapest layover option averages $285 round-trip on this route - about $102 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Antonio Airport.
    - Wyndham Garden San Antonio Airport
    - Crowne Plaza San Antonio Airport By IHG
    - Heritage Inn & Suites San Antonio Airport, Trademark Wyndham
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) is the main departure airport for flights from Washington, D.C. to San Antonio. Travelers connecting to BWI from different parts of Washington have different transport options, MTA Commuter Bus Line 201 being the most reliable and cost-effective.
  • Choosing a less popular route when flying from Washington to San Antonio will increase your chances of getting cheaper flight deals. Two of the less popular routes for lights from Washington, D.C. to San Antonio are those that have Washington Dulles International Airport (IAD) or Ronald Reagan Washington National Airport (DCA) as the departure airport.
  • Booking Southwest Airlines, which has BWI as its hub, for your flight from Washington, D.C. to San Antonio comes with a number of benefits. For instance, you can reliably get a flight at any time of the day, thanks to the airline’s high frequency of daily flights from BWI to SAT.
  • Apart from San Antonio International Airport (SAT), which serves as the main destination airport, Austin-Bergstrom International Airport (AUS) serves as an alternative destination airport for those landing in San Antonio from Washington, D.C. The advantage flying to AUS instead of SAT is that you enjoy greater convenience getting your luggage and clearing from the airport. This is because AUS receives a lesser number of flights from Washington, D.C. on a daily basis.
  • Book American Airlines or Delta any time you are flying from Washington, D.C. to San Antonio with your kids. The two airlines have its policy requiring all parents accompanied with their young ones to be given priority during boarding and deplaning. In addition to this, American Airlines is popular for the spacious seats and extra legroom in all its cabins.

Prefer to fly direct from Washington, D.C. to San Antonio?

 
Find which airlines fly direct from Washington, D.C. to San Antonio Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. to San Antonio

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

Direct returns

San Antonio to Washington, D.C.

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines

American Airlines,United Airlines

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

American Airlines,United Airlines

American Airlines,United Airlines

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines

American Airlines,United Airlines

Sunday

American Airlines,United Airlines

American Airlines,United Airlines

See more direct flights

More options for your flight from Washington, D.C. to San Antonio

Complete your trip to San Antonio with a hotel stay or car rental