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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 TWD 3,798 and round-trip from TWD 8,280. 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
      TWD 10,758 TWD 12,808
      16% off
      16% off
      TWD 12,808 TWD 10,758
    • 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
      TWD 8,280 TWD 12,808
      35% off
      35% off
      TWD 12,808 TWD 8,280
    • 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
      TWD 9,194 TWD 12,808
      28% off
      28% off
      TWD 12,808 TWD 9,194
    • 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
      TWD 9,218
      28% off
      TWD 12,808 TWD 9,218
    • 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
      TWD 9,223
      28% off
      TWD 12,808 TWD 9,223
    • 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
      TWD 9,252
      28% off
      TWD 12,808 TWD 9,252
    • 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
      TWD 9,262
      28% off
      TWD 12,808 TWD 9,262
    • 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
      TWD 9,287
      27% off
      TWD 12,808 TWD 9,287
    • 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
      TWD 9,360
      27% off
      TWD 12,808 TWD 9,360
    • 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 | Thu, Dec 3 | Frontier Airlines
      TWD 3,798 TWD 20,366
      81% off
      81% off
      TWD 20,366 TWD 3,798
    • IAD 5:13 PM
      6h 41m
      1 stop
      SAT 10:54 PM
      Washington D.C. - San Antonio | Tue, Nov 24 | Delta Air Lines
      TWD 4,443 TWD 20,366
      78% off
      78% off
      TWD 20,366 TWD 4,443
    • IAD 11:37 AM
      5h 28m
      1 stop
      SAT 4:05 PM
      Washington D.C. - San Antonio | Tue, Dec 1 | Delta Air Lines
      TWD 4,644 TWD 20,366
      77% off
      77% off
      TWD 20,366 TWD 4,644
    • IAD 5:13 PM
      6h 7m
      1 stop
      SAT 10:20 PM
      Washington D.C. - San Antonio | Thu, Nov 12 | Delta Air Lines
      TWD 4,741
      77% off
      TWD 20,366 TWD 4,741
    • IAD 11:10 AM
      7h 4m
      1 stop
      SAT 5:14 PM
      Washington D.C. - San Antonio | Sat, Nov 14 | Delta Air Lines
      TWD 4,741
      77% off
      TWD 20,366 TWD 4,741
    • IAD 10:11 AM
      6h 16m
      1 stop
      SAT 3:27 PM
      Washington D.C. - San Antonio | Sun, Nov 22 | Delta Air Lines
      TWD 4,741
      77% off
      TWD 20,366 TWD 4,741
    • IAD 12:01 PM
      6h 39m
      1 stop
      SAT 5:40 PM
      Washington D.C. - San Antonio | Sun, Nov 29 | Delta Air Lines
      TWD 4,741
      77% off
      TWD 20,366 TWD 4,741
    • IAD 9:35 PM
      14h 36m
      1 stop
      SAT 11:11 AM
      Washington D.C. - San Antonio | Fri, Dec 4 | Frontier Airlines
      TWD 4,756
      77% off
      TWD 20,366 TWD 4,756
    • IAD 5:00 PM
      7h 31m
      1 stop
      SAT 11:31 PM
      Washington D.C. - San Antonio | Sun, Dec 6 | Delta Air Lines
      TWD 4,908
      76% off
      TWD 20,366 TWD 4,908
    • 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
      TWD 6,061 TWD 20,366
      70% off
      70% off
      TWD 20,366 TWD 6,061
    • IAD 5:55 PM
      3h 54m
      Nonstop
      SAT 8:49 PM
      Washington D.C. - San Antonio | Fri, Dec 11 | United Airlines
      TWD 6,232 TWD 20,366
      69% off
      69% off
      TWD 20,366 TWD 6,232
    • IAD 8:20 AM
      3h 54m
      Nonstop
      SAT 11:14 AM
      Washington D.C. - San Antonio | Thu, Dec 10 | United Airlines
      TWD 9,697 TWD 11,545
      16% off
      16% off
      TWD 11,545 TWD 9,697
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 8 | United Airlines
      TWD 10,489
      34% off
      TWD 15,839 TWD 10,489
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      TWD 10,597
      33% off
      TWD 15,839 TWD 10,597
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Tue, Oct 27 | United Airlines
      TWD 11,383
      28% off
      TWD 15,839 TWD 11,383
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      TWD 11,760
      26% off
      TWD 15,839 TWD 11,760
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Wed, Nov 11 | United Airlines
      TWD 11,945
      25% off
      TWD 15,839 TWD 11,945
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Mon, Nov 16 | United Airlines
      TWD 12,620
      20% off
      TWD 15,839 TWD 12,620
    • 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
      TWD 9,697 TWD 14,454
      33% off
      33% off
      TWD 14,454 TWD 9,697
    • IAD 3:00 PM
      5h 59m
      1 stop
      SAT 7:59 PM
      Washington D.C. - San Antonio | Thu, Dec 10 | Delta Air Lines
      TWD 8,251 TWD 14,454
      43% off
      43% off
      TWD 14,454 TWD 8,251
    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Thu, Dec 10 | American Airlines
      TWD 8,539 TWD 14,454
      41% off
      41% off
      TWD 14,454 TWD 8,539
    • IAD 3:00 PM
      5h 48m
      1 stop
      SAT 7:48 PM
      Washington D.C. - San Antonio | Sun, Nov 15 | Delta Air Lines
      TWD 9,663
      33% off
      TWD 14,454 TWD 9,663
    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Sun, Nov 8 | American Airlines
      TWD 10,391
      28% off
      TWD 14,454 TWD 10,391
    • IAD 12:25 PM
      5h 49m
      1 stop
      SAT 5:14 PM
      Washington D.C. - San Antonio | Sun, Nov 8 | Delta Air Lines
      TWD 11,779
      19% off
      TWD 14,454 TWD 11,779
    • IAD 2:42 PM
      5h 40m
      1 stop
      SAT 7:22 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | American Airlines
      TWD 11,833
      18% off
      TWD 14,454 TWD 11,833
    • IAD 5:13 PM
      6h 7m
      1 stop
      SAT 10:20 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | Delta Air Lines
      TWD 11,857
      18% off
      TWD 14,454 TWD 11,857
    • IAD 7:09 PM
      5h 55m
      1 stop
      SAT 12:04 AM
      Washington D.C. - San Antonio | Thu, Nov 5 | American Airlines
      TWD 11,897
      18% off
      TWD 14,454 TWD 11,897
    • 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
      TWD 11,833 TWD 14,116
      16% off
      16% off
      TWD 14,116 TWD 11,833
    • IAD 5:13 PM
      6h 7m
      1 stop
      SAT 10:20 PM
      Washington D.C. - San Antonio | Sun, Nov 1 | Delta Air Lines
      TWD 11,857 TWD 14,116
      16% off
      16% off
      TWD 14,116 TWD 11,857
    • 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
      TWD 6,061 TWD 20,366
      70% off
      70% off
      TWD 20,366 TWD 6,061
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 8 | United Airlines
      TWD 10,489 TWD 15,839
      34% off
      34% off
      TWD 15,839 TWD 10,489
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      TWD 10,597 TWD 15,839
      33% off
      33% off
      TWD 15,839 TWD 10,597
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Tue, Oct 27 | United Airlines
      TWD 11,383
      28% off
      TWD 15,839 TWD 11,383
    • IAD 8:20 AM
      3h 53m
      Nonstop
      SAT 11:13 AM
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      TWD 11,760
      26% off
      TWD 15,839 TWD 11,760
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Wed, Nov 11 | United Airlines
      TWD 11,945
      25% off
      TWD 15,839 TWD 11,945
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Mon, Nov 16 | United Airlines
      TWD 12,620
      20% off
      TWD 15,839 TWD 12,620
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Mon, Nov 9 | United Airlines
      TWD 12,840
      19% off
      TWD 15,839 TWD 12,840
    • IAD 8:25 AM
      3h 53m
      Nonstop
      SAT 11:18 AM
      Washington D.C. - San Antonio | Thu, Nov 5 | United Airlines
      TWD 13,294
      16% off
      TWD 15,839 TWD 13,294
    • 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 Delta Air Lines (from TWD 4,443) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From TWD 4,443
Frontier Airlines
From TWD 4,521
United Airlines
From TWD 5,777
American Airlines
From TWD 6,437
Alaska Airlines
From TWD 18,573

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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 TWD 3,798
Cheapest return ticket price TWD 8,280

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 TWD 13,778 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 TWD 3,798, and round-trip fares start from TWD 8,280. The current lowest fare is a Frontier Airlines flight departing on Thu, Dec 3; 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 TWD 11,309. 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.