DCA - SAT

$156 Find Cheap Flights from Reagan Washington National Airport to San Antonio - Compare and Save

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Everything you should know

Cheapest round-trip
$309
Typical prices: $293-$448
Frontier
Mon 10/22Thu 10/25
DCA - SAT • 1 stop
Cheapest non-stop
$313
Typical prices: $282-$427
American Airlines
Tue 11/6Fri 11/9
DCA - SAT • Non-stop
Nonstop flights
You can fly direct with American Airlines. Average duration is 3h 53m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $287 (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 Reagan-National to San Antonio (DCA-SAT)

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

Recent round-trip flight deals from Reagan-National to San Antonio

Thu, Oct 22 - Sun, Oct 25
Frontier Logo
1:00 pm - 7:26 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
7h 26m1 stop Denver Intl
Frontier Logo
8:21 pm - 9:59 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
24h 38m1 stop Denver Intl
$309Frontier
Wed, Sep 23 - Thu, Oct 1
Frontier Logo
1:00 pm - 7:25 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
7h 25m1 stop Denver Intl
Frontier Logo
8:20 pm - 12:11 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
14h 51m1 stop Denver Intl
$309Frontier
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
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
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
Thu, Nov 5 - Fri, Nov 6
Southwest Logo
6:55 pm - 12:05 amDCA  Washington, D.C. Reagan-National-SAT San Antonio
6h 10m1 stop Lambert-St Louis
Southwest Logo
4:55 pm - 10:50 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
4h 55m1 stop Lambert-St Louis
$319Southwest
Wed, Dec 2 - Sun, Dec 6
Southwest Logo
10:00 am - 2:25 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
5h 25m1 stop Dallas Love Field
Southwest Logo
3:35 pm - 9:45 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
5h 10m1 stop Atlanta Hartsfield-Jackson
$319Southwest
Fri, Dec 4 - Mon, Dec 7
Delta Logo
9:00 am - 3:31 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
7h 31m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:50 am - 6:40 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
5h 50m1 stop Detroit Metropolitan Wayne County
$324Delta
Fri, Feb 5 - Fri, Feb 12
United Airlines Logo
4:35 pm - 9:20 pmDCA  Washington, D.C. Reagan-National-SAT San Antonio
5h 45m1 stop Houston George Bush Intcntl
United Airlines Logo
5:30 am - 11:25 amSAT  San Antonio-DCA Washington, D.C. Reagan-National
4h 55m1 stop Houston George Bush Intcntl
$359United Airlines
Tue, Sep 29 - Wed, Sep 30
United Airlines Logo
6:00 am - 11:41 amDCA  Washington, D.C. Reagan-National-SAT San Antonio
6h 41m1 stop Newark
United Airlines Logo
6:00 am - 2:24 pmSAT  San Antonio-DCA Washington, D.C. Reagan-National
7h 24m1 stop Newark
$379United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to San Antonio with more confidence.

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

Round-trip flights from Washington, D.C. Reagan-National Airport to San Antonio start at $309. Prices are typical for this route right now, with typical round-trip fares ranging from $293 to $448. The lowest price found in the past 5 days was $309 on Frontier.

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

Thursday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to San Antonio, it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 42% 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. Reagan-National Airport to San Antonio?

  • February is the cheapest month to fly from Washington, D.C. Reagan-National Airport to San Antonio at $298 round-trip.
  • May ($438) and June ($417) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 46% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Reagan-National Airport to San Antonio the cheapest?

Flights from Washington, D.C. Reagan-National Airport to San Antonio are cheapest 24 weeks before departure. Booking in this window typically costs about 41% 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 Reagan-National to San Antonio

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
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. Reagan-National Airport to San Antonio flights

Low season

February

Cheapest flight

$156
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Washington, D.C. Reagan-National Airport to San Antonio

When to book flights from Reagan-National to San Antonio

Are your dates flexible? Find out the best times to travel from Reagan-National 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. Reagan-National Airport to San Antonio flight questions, answered

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

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

    Among airlines operating Washington, D.C. Reagan-National Airport to San Antonio flights:

    • 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. Reagan-National Airport to San Antonio?

    Only American Airlines operates flights between Washington, D.C. Reagan-National Airport and San Antonio.

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

    Flights from Washington, D.C. Reagan-National Airport to San Antonio usually depart from Washington, D.C. Reagan-National (DCA) and arrive at San Antonio (SAT).

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

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

    • 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. Reagan-National Airport to San Antonio?

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

    • Economy Class
    • Business Class
    • First Class

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $287 round-trip via Denver Intl (DEN), compared to $318 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $50–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Reagan-National Airport to San Antonio?

    The Airbus A319 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

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

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

    • Houston George Bush Intcntl (IAH) - 34% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 27% of one-stop connections
    • Denver Intl (DEN) - 7% of one-stop connections
    • Charlotte Douglas (CLT) - 7% of one-stop connections

    Houston George Bush Intcntl (IAH) 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. Reagan-National Airport to San Antonio?

    Yes. Being flexible with your travel dates can save you up to 35% on the Washington, D.C. Reagan-National Airport to San Antonio route. Thursday is the cheapest departure day at $321 round-trip on average, while Sunday is the most expensive at $493, a difference of $172. 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. Reagan-National Airport to San Antonio spread across the day?

    Evening is the busiest departure period on Washington, D.C. Reagan-National Airport to San Antonio flights, with 100% of flights leaving in that window. Morning departures account for 0%, 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. Reagan-National Airport to San Antonio?

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

    • Earliest: departs at 1:35 pm and lands at 5:28 pm
    • Latest: departs at 6:16 pm and lands at 10:09 pm.

    The flight takes about 3h 53m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 36% above the route average of $347. Book 24 weeks before departure for the lowest fares.

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

    A nonstop flight from Washington, D.C. Reagan-National Airport to San Antonio takes 3h 53m, covering 1,378 miles.

  • Do I need a passport to fly from Washington, D.C. Reagan-National Airport 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.

  • Have flight prices from Washington, D.C. Reagan-National Airport to San Antonio changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $309 to $1,983. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Washington, D.C. Reagan-National Airport to San Antonio are currently lower than usual. Average one-way flight prices are about $185, which is 28% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Reagan-National Airport 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 29m via Charlotte Douglas (CLT).

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

    San Antonio is 1 hour behind Washington, D.C. Reagan-National Airport (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. Reagan-National Airport to San Antonio flight?

    Round-trip flights from Washington, D.C. Reagan-National Airport to San Antonio range from $293 to $448, with an average of $347 over the past 12 months. Anything below $293 counts as a good deal.

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

    Two airlines offer in-flight Wi-Fi on Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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 $321 - about $172 less than Sunday (35% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Reagan-National Airport to San Antonio trip for February. Fares historically average $298 round-trip in that month - typically $140 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 Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $287 round-trip on this route - about $31 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

Prefer to fly direct from Reagan Washington National Airport to San Antonio?

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

Direct departures

Washington, D.C. Reagan-National to San Antonio

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Direct returns

San Antonio to Washington, D.C. Reagan-National

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

More options for your flight from Reagan-National to San Antonio

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