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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 £95 and round-trip from £190. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      SAT 07:40
      3h 18m
      Direct
      DCA 11:58
      San Antonio - Washington D.C. | Wed, Nov 18 | American Airlines
      £247 £295
      16% off
      16% off
      £295 £247
    • IAD 13:09
      9h 7m
      1 stop
      SAT 21:16
      Washington D.C. - San Antonio | Tue, Nov 24 | Frontier Airlines
      SAT 12:06
      7h 34m
      1 stop
      IAD 20:40
      San Antonio - Washington D.C. | Thu, Nov 26 | Frontier Airlines
      £190 £295
      36% off
      36% off
      £295 £190
    • IAD 11:10
      5h 37m
      1 stop
      SAT 15:47
      Washington D.C. - San Antonio | Sun, Nov 15 | Delta Air Lines
      SAT 07:40
      3h 18m
      Direct
      DCA 11:58
      San Antonio - Washington D.C. | Wed, Nov 18 | American Airlines
      £211 £295
      28% off
      28% off
      £295 £211
    • IAD 17:16
      6h 38m
      1 stop
      SAT 22:54
      Washington D.C. - San Antonio | Tue, Nov 24 | Delta Air Lines
      SAT 06:30
      6h 24m
      1 stop
      IAD 13:54
      San Antonio - Washington D.C. | Sat, Nov 28 | Delta Air Lines
      £212
      28% off
      £295 £212
    • IAD 15:04
      5h 44m
      1 stop
      SAT 19:48
      Washington D.C. - San Antonio | Thu, Nov 5 | Delta Air Lines
      SAT 05:15
      5h 19m
      1 stop
      IAD 11:34
      San Antonio - Washington D.C. | Sat, Nov 7 | Delta Air Lines
      £212
      28% off
      £295 £212
    • IAD 15:00
      8h 6m
      1 stop
      SAT 22:06
      Washington D.C. - San Antonio | Wed, Nov 11 | Delta Air Lines
      SAT 16:32
      6h 14m
      1 stop
      DCA 23:46
      San Antonio - Washington D.C. | Wed, Nov 18 | Delta Air Lines
      £213
      28% off
      £295 £213
    • IAD 15:00
      8h 6m
      1 stop
      SAT 22:06
      Washington D.C. - San Antonio | Thu, Nov 19 | Delta Air Lines
      SAT 13:44
      4h 56m
      1 stop
      DCA 19:40
      San Antonio - Washington D.C. | Tue, Nov 24 | Delta Air Lines
      £213
      28% off
      £295 £213
    • IAD 15:03
      5h 45m
      1 stop
      SAT 19:48
      Washington D.C. - San Antonio | Sun, Nov 8 | Delta Air Lines
      SAT 16:00
      6h 28m
      1 stop
      DCA 23:28
      San Antonio - Washington D.C. | Thu, Nov 12 | Delta Air Lines
      £214
      27% off
      £295 £214
    • IAD 10:57
      5h 53m
      1 stop
      SAT 15:50
      Washington D.C. - San Antonio | Fri, Oct 30 | Delta Air Lines
      SAT 20:20
      14h 49m
      1 stop
      DCA 12:09
      San Antonio - Washington D.C. | Mon, Nov 2 | Frontier Airlines
      £215
      27% off
      £295 £215
    • WAS 13:00
      17h 25m
      1 stop
      SAT 14:00
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
      SAT 15:00
      6h
      Direct
      WAS 16:00
      San Antonio - Washington D.C. | Fri, Oct 30 | Normal Airline
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    • Cheapest
      IAD 13:09
      9h 7m
      1 stop
      SAT 21:16
      Washington D.C. - San Antonio | Mon, Nov 23 | Frontier Airlines
      £95 £315
      70% off
      70% off
      £315 £95
    • IAD 11:16
      24h 55m
      1 stop
      SAT 11:11
      Washington D.C. - San Antonio | Thu, Nov 19 | Frontier Airlines
      £96 £315
      70% off
      70% off
      £315 £96
    • IAD 13:09
      9h 7m
      1 stop
      SAT 21:16
      Washington D.C. - San Antonio | Sun, Nov 22 | Frontier Airlines
      £104 £315
      67% off
      67% off
      £315 £104
    • IAD 13:09
      9h 7m
      1 stop
      SAT 21:16
      Washington D.C. - San Antonio | Fri, Nov 20 | Frontier Airlines
      £105
      67% off
      £315 £105
    • IAD 11:37
      5h 28m
      1 stop
      SAT 16:05
      Washington D.C. - San Antonio | Sat, Nov 21 | Delta Air Lines
      £107
      66% off
      £315 £107
    • IAD 21:23
      15h 17m
      1 stop
      SAT 11:40
      Washington D.C. - San Antonio | Sun, Dec 6 | Frontier Airlines
      £109
      65% off
      £315 £109
    • IAD 17:13
      6h 7m
      1 stop
      SAT 22:20
      Washington D.C. - San Antonio | Mon, Nov 2 | Delta Air Lines
      £109
      65% off
      £315 £109
    • IAD 11:10
      7h 4m
      1 stop
      SAT 17:14
      Washington D.C. - San Antonio | Wed, Nov 4 | Delta Air Lines
      £109
      65% off
      £315 £109
    • IAD 21:35
      14h 36m
      1 stop
      SAT 11:11
      Washington D.C. - San Antonio | Tue, Nov 24 | Frontier Airlines
      £110
      65% off
      £315 £110
    • WAS 13:00
      17h 25m
      1 stop
      SAT 14:00
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 08:20
      3h 54m
      Direct
      SAT 11:14
      Washington D.C. - San Antonio | Thu, Dec 10 | United Airlines
      £223 £333
      33% off
      33% off
      £333 £223
    • IAD 15:00
      5h 59m
      1 stop
      SAT 19:59
      Washington D.C. - San Antonio | Thu, Dec 10 | Delta Air Lines
      £190 £333
      43% off
      43% off
      £333 £190
    • IAD 14:42
      5h 40m
      1 stop
      SAT 19:22
      Washington D.C. - San Antonio | Thu, Dec 10 | American Airlines
      £196 £333
      41% off
      41% off
      £333 £196
    • IAD 15:00
      5h 48m
      1 stop
      SAT 19:48
      Washington D.C. - San Antonio | Sun, Nov 15 | Delta Air Lines
      £222
      33% off
      £333 £222
    • IAD 14:42
      5h 40m
      1 stop
      SAT 19:22
      Washington D.C. - San Antonio | Sun, Nov 8 | American Airlines
      £239
      28% off
      £333 £239
    • IAD 12:25
      5h 49m
      1 stop
      SAT 17:14
      Washington D.C. - San Antonio | Sun, Nov 8 | Delta Air Lines
      £271
      19% off
      £333 £271
    • IAD 14:42
      5h 40m
      1 stop
      SAT 19:22
      Washington D.C. - San Antonio | Sun, Nov 1 | American Airlines
      £272
      18% off
      £333 £272
    • IAD 17:13
      6h 7m
      1 stop
      SAT 22:20
      Washington D.C. - San Antonio | Sun, Nov 1 | Delta Air Lines
      £272
      18% off
      £333 £272
    • IAD 19:09
      5h 55m
      1 stop
      SAT 00:04
      Washington D.C. - San Antonio | Thu, Nov 5 | American Airlines
      £273
      18% off
      £333 £273
    • WAS 13:00
      17h 25m
      1 stop
      SAT 14:00
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Tue, Nov 10 | United Airlines
      £140 £315
      56% off
      56% off
      £315 £140
    • IAD 17:55
      3h 54m
      Direct
      SAT 20:49
      Washington D.C. - San Antonio | Fri, Dec 11 | United Airlines
      £143 £315
      55% off
      55% off
      £315 £143
    • IAD 08:20
      3h 54m
      Direct
      SAT 11:14
      Washington D.C. - San Antonio | Thu, Dec 10 | United Airlines
      £223 £266
      16% off
      16% off
      £266 £223
    • IAD 08:20
      3h 53m
      Direct
      SAT 11:13
      Washington D.C. - San Antonio | Sun, Nov 8 | United Airlines
      £241
      34% off
      £365 £241
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      £244
      33% off
      £365 £244
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Tue, Oct 27 | United Airlines
      £262
      28% off
      £365 £262
    • IAD 08:20
      3h 53m
      Direct
      SAT 11:13
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      £270
      26% off
      £365 £270
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Wed, Nov 11 | United Airlines
      £275
      25% off
      £365 £275
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Mon, Nov 16 | United Airlines
      £290
      21% off
      £365 £290
    • WAS 13:00
      17h 25m
      1 stop
      SAT 14:00
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • IAD 14:42
      5h 40m
      1 stop
      SAT 19:22
      Washington D.C. - San Antonio | Sun, Nov 1 | American Airlines
      £272 £324
      16% off
      16% off
      £324 £272
    • IAD 17:13
      6h 7m
      1 stop
      SAT 22:20
      Washington D.C. - San Antonio | Sun, Nov 1 | Delta Air Lines
      £272 £324
      16% off
      16% off
      £324 £272
    • WAS 13:00
      17h 25m
      1 stop
      SAT 14:00
      Washington D.C. - San Antonio | Wed, Oct 28 | Normal Airline
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    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Tue, Nov 10 | United Airlines
      £140 £315
      56% off
      56% off
      £315 £140
    • IAD 08:20
      3h 53m
      Direct
      SAT 11:13
      Washington D.C. - San Antonio | Sun, Nov 8 | United Airlines
      £241 £365
      34% off
      34% off
      £365 £241
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Sat, Nov 14 | United Airlines
      £244 £365
      33% off
      33% off
      £365 £244
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Tue, Oct 27 | United Airlines
      £262
      28% off
      £365 £262
    • IAD 08:20
      3h 53m
      Direct
      SAT 11:13
      Washington D.C. - San Antonio | Sun, Nov 15 | United Airlines
      £270
      26% off
      £365 £270
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Wed, Nov 11 | United Airlines
      £275
      25% off
      £365 £275
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Mon, Nov 16 | United Airlines
      £290
      21% off
      £365 £290
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Mon, Nov 9 | United Airlines
      £295
      19% off
      £365 £295
    • IAD 08:25
      3h 53m
      Direct
      SAT 11:18
      Washington D.C. - San Antonio | Thu, Nov 5 | United Airlines
      £305
      16% off
      £365 £305
    • WAS 13:00
      17h 25m
      1 stop
      SAT 14:00
      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 £95) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £95
United Airlines
From £133
American Airlines
From £148
Delta Air Lines
From £264
Alaska Airlines
From £427

Find more flights and airlines

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

    08:25

    IAD

    3h 56m

    11:21

    SAT

    S M T W T F S
    Search

  2. UA1869

    Dulles International Airport

    17:55

    IAD

    4h 2m

    20:57

    SAT

    S M T W T F S
    Search

  3. DL1787

    Dulles International Airport

    17:13

    IAD

    1h 40m

    Direct

    18:53

    DTW

    S M T W T - S
    Search

  4. DL1365

    Detroit Metropolitan Wayne County Airport

    20:10

    DTW

    3h 27m

    Direct

    22:37

    SAT

    S M T W T F S

  5. AA5447

    Dulles International Airport

    17:04

    IAD

    1h 41m

    Direct

    18:45

    CLT

    S M - W T - S
    Search

  6. AA1153

    Charlotte Douglas International Airport

    20:45

    CLT

    3h 8m

    Direct

    22:53

    SAT

    S - - - - - S

  7. DL1324

    Dulles International Airport

    10:14

    IAD

    1h 50m

    Direct

    12:04

    ATL

    S M T W T F S
    Search

  8. DL1465

    Hartsfield–Jackson Atlanta International Airport

    15:40

    ATL

    2h 34m

    Direct

    17:14

    SAT

    S M T W T F S

  9. UA2396

    Dulles International Airport

    08:37

    IAD

    1h 25m

    Direct

    10:02

    EWR

    S M T W T F S
    Search

  10. UA515

    Newark Liberty International Airport

    11:48

    EWR

    4h 25m

    Direct

    15:13

    SAT

    S M T W T F S

  11. UA1126

    Dulles International Airport

    14:25

    IAD

    3h 58m

    Direct

    16:23

    DEN

    S M T W T F S
    Search

  12. UA2819

    Denver International Airport

    17:25

    DEN

    2h 10m

    Direct

    20:35

    SAT

    S M T W T F S

  13. DL1354

    Dulles International Airport

    07:17

    IAD

    2h 5m

    Direct

    09:22

    ATL

    S M T W T F S
    Search

  14. DL2009

    Hartsfield–Jackson Atlanta International Airport

    13:50

    ATL

    2h 38m

    Direct

    15:28

    SAT

    S M T W T F S

  15. UA1786

    Dulles International Airport

    15:37

    IAD

    2h 23m

    Direct

    17:00

    ORD

    S M T W T F S
    Search

  16. UA1394

    O'Hare International Airport

    19:50

    ORD

    3h

    Direct

    22:50

    SAT

    S M T W T F S

  17. F94277

    Dulles International Airport

    21:10

    IAD

    5h 17m

    Direct

    23:27

    LAS

    S - - - - - -
    Search

  18. F93420

    Harry Reid International Airport

    09:00

    LAS

    2h 49m

    Direct

    13:49

    SAT

    S - - - - F -
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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 2,193.54km
Cheapest one-way ticket price £95
Cheapest return ticket price £190

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 £374 in October, the most expensive month to book this route.
    • The distance from San Antonio International Airport to downtown is about 12km, by taxi about 30 minutes.
  • 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 £95, and round-trip fares start from £190. 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 £260. 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.