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Dulles International Airport to San Antonio International Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to San Antonio International Airport over the next 90 days, with one-way fares from $126 and round-trip from $254. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      SAT 7:40 AM
      3h 18m
      Nonstop
      DCA 11:58 AM
      San Antonio - Washington D.C. | Tue, Nov 17 | American Airlines
      $330 $393
      16% off
      16% off
      $393 $330
    • IAD 1:09 PM
      9h 7m
      1 stop
      SAT 9:16 PM
      Washington D.C. - San Antonio | Mon, Nov 23 | Frontier Airlines
      SAT 12:06 PM
      7h 34m
      1 stop
      IAD 8:40 PM
      San Antonio - Washington D.C. | Wed, Nov 25 | Frontier Airlines
      $254 $393
      35% off
      35% off
      $393 $254
    • IAD 11:10 AM
      5h 37m
      1 stop
      SAT 3:47 PM
      Washington D.C. - San Antonio | Sat, Nov 14 | Delta Air Lines
      SAT 7:40 AM
      3h 18m
      Nonstop
      DCA 11:58 AM
      San Antonio - Washington D.C. | Tue, Nov 17 | American Airlines
      $283 $393
      28% off
      28% off
      $393 $283
    • IAD 5:16 PM
      6h 38m
      1 stop
      SAT 10:54 PM
      Washington D.C. - San Antonio | Mon, Nov 23 | Delta Air Lines
      SAT 6:30 AM
      6h 24m
      1 stop
      IAD 1:54 PM
      San Antonio - Washington D.C. | Fri, Nov 27 | Delta Air Lines
      $283
      28% off
      $393 $283
    • IAD 3:04 PM
      5h 44m
      1 stop
      SAT 7:48 PM
      Washington D.C. - San Antonio | Wed, Nov 4 | Delta Air Lines
      SAT 5:15 AM
      5h 19m
      1 stop
      IAD 11:34 AM
      San Antonio - Washington D.C. | Fri, Nov 6 | Delta Air Lines
      $283
      28% off
      $393 $283
    • IAD 3:00 PM
      8h 6m
      1 stop
      SAT 10:06 PM
      Washington D.C. - San Antonio | Tue, Nov 10 | Delta Air Lines
      SAT 4:32 PM
      6h 14m
      1 stop
      DCA 11:46 PM
      San Antonio - Washington D.C. | Tue, Nov 17 | Delta Air Lines
      $284
      28% off
      $393 $284
    • IAD 3:00 PM
      8h 6m
      1 stop
      SAT 10:06 PM
      Washington D.C. - San Antonio | Wed, Nov 18 | Delta Air Lines
      SAT 1:44 PM
      4h 56m
      1 stop
      DCA 7:40 PM
      San Antonio - Washington D.C. | Mon, Nov 23 | Delta Air Lines
      $285
      27% off
      $393 $285
    • IAD 3:03 PM
      5h 45m
      1 stop
      SAT 7:48 PM
      Washington D.C. - San Antonio | Sat, Nov 7 | Delta Air Lines
      SAT 4:00 PM
      6h 28m
      1 stop
      DCA 11:28 PM
      San Antonio - Washington D.C. | Wed, Nov 11 | Delta Air Lines
      $285
      27% off
      $393 $285
    • IAD 10:57 AM
      5h 53m
      1 stop
      SAT 3:50 PM
      Washington D.C. - San Antonio | Thu, Oct 29 | Delta Air Lines
      SAT 8:20 PM
      14h 49m
      1 stop
      DCA 12:09 PM
      San Antonio - Washington D.C. | Sun, Nov 1 | Frontier Airlines
      $288
      27% off
      $393 $288
    • WAS 1:00 PM
      17h 25m
      1 stop
      SAT 2:00 PM
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
      SAT 3:00 PM
      6h
      Nonstop
      WAS 4:00 PM
      San Antonio - Washington D.C. | Fri, Oct 30 | Normal Airline
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    • Cheapest
      IAD 1:09 PM
      9h 7m
      1 stop
      SAT 9:16 PM
      Washington D.C. - San Antonio | Mon, Nov 23 | Frontier Airlines
      $126 $421
      70% off
      70% off
      $421 $126
    • IAD 11:16 AM
      24h 55m
      1 stop
      SAT 11:11 AM
      Washington D.C. - San Antonio | Thu, Nov 19 | Frontier Airlines
      $129 $421
      69% off
      69% off
      $421 $129
    • IAD 1:09 PM
      9h 7m
      1 stop
      SAT 9:16 PM
      Washington D.C. - San Antonio | Fri, Nov 20 | Frontier Airlines
      $138 $421
      67% off
      67% off
      $421 $138
    • IAD 1:09 PM
      9h 7m
      1 stop
      SAT 9:16 PM
      Washington D.C. - San Antonio | Sun, Nov 22 | Frontier Airlines
      $138
      67% off
      $421 $138
    • IAD 1:09 PM
      9h 7m
      1 stop
      SAT 9:16 PM
      Washington D.C. - San Antonio | Tue, Nov 24 | Frontier Airlines
      $140
      67% off
      $421 $140
    • IAD 11:37 AM
      5h 28m
      1 stop
      SAT 4:05 PM
      Washington D.C. - San Antonio | Sat, Nov 21 | Delta Air Lines
      $143
      66% off
      $421 $143
    • IAD 9:23 PM
      15h 17m
      1 stop
      SAT 11:40 AM
      Washington D.C. - San Antonio | Sun, Dec 6 | Frontier Airlines
      $146
      65% off
      $421 $146
    • IAD 11:10 AM
      7h 4m
      1 stop
      SAT 5:14 PM
      Washington D.C. - San Antonio | Wed, Nov 4 | Delta Air Lines
      $146
      65% off
      $421 $146
    • IAD 7:39 PM
      5h 56m
      1 stop
      SAT 12:35 AM
      Washington D.C. - San Antonio | Fri, Dec 11 | Delta Air Lines
      $151
      64% off
      $421 $151
    • WAS 1:00 PM
      17h 25m
      1 stop
      SAT 2:00 PM
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Tue, Nov 10 | United Airlines
      $186 $421
      56% off
      56% off
      $421 $186
    • IAD 5:55 PM
      3h 54m
      Nonstop
      SAT 8:49 PM
      Washington D.C. - San Antonio | Fri, Dec 11 | United Airlines
      $192 $421
      54% off
      54% off
      $421 $192
    • IAD 8:20 AM
      3h 54m
      Nonstop
      SAT 11:14 AM
      Washington D.C. - San Antonio | Thu, Dec 10 | United Airlines
      $298 $355
      16% off
      16% off
      $355 $298
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 8 | United Airlines
      $322
      34% off
      $487 $322
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      $326
      33% off
      $487 $326
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Tue, Oct 27 | United Airlines
      $350
      28% off
      $487 $350
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      $361
      26% off
      $487 $361
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Wed, Nov 11 | United Airlines
      $367
      25% off
      $487 $367
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Mon, Nov 16 | United Airlines
      $388
      20% off
      $487 $388
    • WAS 1:00 PM
      17h 25m
      1 stop
      SAT 2:00 PM
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 8:20 AM
      3h 54m
      Nonstop
      SAT 11:14 AM
      Washington D.C. - San Antonio | Thu, Dec 10 | United Airlines
      $298 $445
      33% off
      33% off
      $445 $298
    • IAD 3:00 PM
      5h 59m
      1 stop
      SAT 7:59 PM
      Washington D.C. - San Antonio | Thu, Dec 10 | Delta Air Lines
      $254 $445
      43% off
      43% off
      $445 $254
    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Thu, Dec 10 | American Airlines
      $262 $445
      41% off
      41% off
      $445 $262
    • IAD 3:00 PM
      5h 48m
      1 stop
      SAT 7:48 PM
      Washington D.C. - San Antonio | Sun, Nov 15 | Delta Air Lines
      $297
      33% off
      $445 $297
    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Sun, Nov 8 | American Airlines
      $319
      28% off
      $445 $319
    • IAD 12:25 PM
      5h 49m
      1 stop
      SAT 5:14 PM
      Washington D.C. - San Antonio | Sun, Nov 8 | Delta Air Lines
      $362
      19% off
      $445 $362
    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | American Airlines
      $363
      18% off
      $445 $363
    • IAD 5:13 PM
      6h 7m
      1 stop
      SAT 10:20 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | Delta Air Lines
      $364
      18% off
      $445 $364
    • IAD 7:09 PM
      5h 55m
      1 stop
      SAT 12:04 AM
      Washington D.C. - San Antonio | Thu, Nov 5 | American Airlines
      $365
      18% off
      $445 $365
    • WAS 1:00 PM
      17h 25m
      1 stop
      SAT 2:00 PM
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | American Airlines
      $363 $434
      16% off
      16% off
      $434 $363
    • IAD 5:13 PM
      6h 7m
      1 stop
      SAT 10:20 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | Delta Air Lines
      $364 $434
      16% off
      16% off
      $434 $364
    • WAS 1:00 PM
      17h 25m
      1 stop
      SAT 2:00 PM
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Tue, Nov 10 | United Airlines
      $186 $421
      56% off
      56% off
      $421 $186
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 8 | United Airlines
      $322 $487
      34% off
      34% off
      $487 $322
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      $326 $487
      33% off
      33% off
      $487 $326
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Tue, Oct 27 | United Airlines
      $350
      28% off
      $487 $350
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      $361
      26% off
      $487 $361
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Wed, Nov 11 | United Airlines
      $367
      25% off
      $487 $367
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Mon, Nov 16 | United Airlines
      $388
      20% off
      $487 $388
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Mon, Nov 9 | United Airlines
      $394
      19% off
      $487 $394
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Thu, Nov 5 | United Airlines
      $408
      16% off
      $487 $408
    • WAS 1:00 PM
      17h 25m
      1 stop
      SAT 2:00 PM
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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Displayed flight fares from Washington D.C. to San Antonio are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Dulles International Airport to San Antonio International Airport?

The cheapest airline flying from Dulles International Airport to San Antonio International Airport is Frontier Airlines (from $126) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $126
United Airlines
From $178
American Airlines
From $198
Delta Air Lines
From $353
Alaska Airlines
From $570

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What is the flight schedule from Dulles International Airport to San Antonio International Airport?

Check the schedule for flights from Washington D.C. to San Antonio and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA1789

    Dulles International Airport

    8:25 AM

    IAD

    3h 56m

    11:21 AM

    SAT

    S M T W T F S
    Search

  2. UA1869

    Dulles International Airport

    5:55 PM

    IAD

    4h 2m

    8:57 PM

    SAT

    S M T W T F S
    Search

  3. DL1787

    Dulles International Airport

    5:13 PM

    IAD

    1h 40m

    Nonstop

    6:53 PM

    DTW

    S M T W T - S
    Search

  4. DL1365

    Detroit Metropolitan Wayne County Airport

    8:10 PM

    DTW

    3h 27m

    Nonstop

    10:37 PM

    SAT

    S M T W T F S

  5. AA5447

    Dulles International Airport

    5:04 PM

    IAD

    1h 41m

    Nonstop

    6:45 PM

    CLT

    S M - W T - S
    Search

  6. AA1153

    Charlotte Douglas International Airport

    8:45 PM

    CLT

    3h 8m

    Nonstop

    10:53 PM

    SAT

    S - - - - - S

  7. DL1324

    Dulles International Airport

    10:14 AM

    IAD

    1h 50m

    Nonstop

    12:04 PM

    ATL

    S M T W T F S
    Search

  8. DL1465

    Hartsfield–Jackson Atlanta International Airport

    3:40 PM

    ATL

    2h 34m

    Nonstop

    5:14 PM

    SAT

    S M T W T F S

  9. UA2396

    Dulles International Airport

    8:37 AM

    IAD

    1h 25m

    Nonstop

    10:02 AM

    EWR

    S M T W T F S
    Search

  10. UA515

    Newark Liberty Intl. Airport Airport

    11:48 AM

    EWR

    4h 25m

    Nonstop

    3:13 PM

    SAT

    S M T W T F S

  11. UA1126

    Dulles International Airport

    2:25 PM

    IAD

    3h 58m

    Nonstop

    4:23 PM

    DEN

    S M T W T F S
    Search

  12. UA2819

    Denver International Airport

    5:25 PM

    DEN

    2h 10m

    Nonstop

    8:35 PM

    SAT

    S M T W T F S

  13. DL1354

    Dulles International Airport

    7:17 AM

    IAD

    2h 5m

    Nonstop

    9:22 AM

    ATL

    S M T W T F S
    Search

  14. DL2009

    Hartsfield–Jackson Atlanta International Airport

    1:50 PM

    ATL

    2h 38m

    Nonstop

    3:28 PM

    SAT

    S M T W T F S

  15. UA1786

    Dulles International Airport

    3:37 PM

    IAD

    2h 23m

    Nonstop

    5:00 PM

    ORD

    S M T W T F S
    Search

  16. UA1394

    O'Hare Intl. Airport

    7:50 PM

    ORD

    3h

    Nonstop

    10:50 PM

    SAT

    S M T W T F S

  17. UA1587

    Dulles International Airport

    12:43 PM

    IAD

    4h 11m

    Nonstop

    2:54 PM

    DEN

    S M T W T F S
    Search

  18. UA2819

    Denver International Airport

    5:25 PM

    DEN

    2h 10m

    Nonstop

    8:35 PM

    SAT

    S M T W T F S
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About Dulles International Airport and San Antonio International Airport

Learn about Dulles International Airport (IAD) and San Antonio International Airport (SAT) — including location, terminals, transportation, and travel tips.

Flight distance 2,193.54 km
Cheapest one-way ticket price $126
Cheapest return ticket price $254

FAQs for Dulles International Airport to San Antonio International Airport Flights

  • How long is the flight from Dulles International Airport to San Antonio International Airport?

    Dulles International Airport to San Antonio International Airport takes about 3 hours 30 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Dulles International Airport (IAD) to San Antonio International Airport (SAT).
  • The earliest flight from Dulles International Airport to San Antonio International Airport departs at 08:30, and the last departs at 18:00, with about 4 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Dulles International Airport (IAD) to San Antonio International Airport (SAT) is quite popular. Without considering departure times or holidays, tickets cost around $423 in November, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport (IAD) at 08:15 and arrives in San Antonio International Airport (SAT) at 11:06.
  • The latest flight departs from Dulles International Airport (IAD) at 17:25 and arrives in San Antonio International Airport (SAT) at 20:15.
    • The distance from San Antonio International Airport to downtown is about 12 km. It takes about 30 minutes by taxi.
  • United Airlines is a very popular airline operating an average of 486 flights per month.
  • One-way flights from Dulles International Airport to San Antonio International Airport currently start from $126, and round-trip fares start from $254. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 23; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Dulles International Airport to San Antonio International Airport, with an average flight time of 4 hours 20 minutes, and around 21 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to San Antonio International Airport is $347. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to San Antonio International Airport operates around 21 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles International Airport and San Antonio International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.