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George Bush Intercontinental Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from George Bush Intercontinental Airport to Dulles International Airport over the next 90 days, with one-way fares from SGD 52 and round-trip from SGD 119. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Fri, Nov 13 | United Airlines
      DCA 06:05
      3h 30m
      Direct
      HOU 08:35
      Washington D.C. - Houston | Sun, Nov 15 |
      SGD 362 SGD 436
      17% off
      17% off
      SGD 436 SGD 362
    • IAH 14:20
      3h 3m
      Direct
      IAD 18:23
      Houston - Washington D.C. | Fri, Dec 4 | United Airlines
      DCA 06:05
      3h 35m
      Direct
      IAH 08:40
      Washington D.C. - Houston | Fri, Dec 11 | United Airlines
      SGD 366 SGD 436
      16% off
      16% off
      SGD 436 SGD 366
    • IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Wed, Nov 11 | Frontier Airlines
      IAD 07:48
      15h 5m
      1 stop
      IAH 21:53
      Washington D.C. - Houston | Tue, Nov 17 | Frontier Airlines
      SGD 119 SGD 436
      73% off
      73% off
      SGD 436 SGD 119
    • IAH 17:01
      27h 49m
      1 stop
      IAD 21:50
      Houston - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      IAD 22:35
      19h 54m
      1 stop
      IAH 17:29
      Washington D.C. - Houston | Mon, Dec 14 | Frontier Airlines
      SGD 127
      71% off
      SGD 436 SGD 127
    • IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Mon, Dec 7 | Frontier Airlines
      IAD 22:35
      19h 54m
      1 stop
      IAH 17:29
      Washington D.C. - Houston | Mon, Dec 14 | Frontier Airlines
      SGD 130
      70% off
      SGD 436 SGD 130
    • IAH 21:24
      12h 47m
      1 stop
      IAD 11:11
      Houston - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      IAD 22:33
      11h 12m
      1 stop
      IAH 08:45
      Washington D.C. - Houston | Fri, Dec 4 | Frontier Airlines
      SGD 137
      69% off
      SGD 436 SGD 137
    • IAH 09:41
      7h 4m
      1 stop
      IAD 17:45
      Houston - Washington D.C. | Thu, Dec 3 | Frontier Airlines
      IAD 22:35
      11h 10m
      1 stop
      IAH 08:45
      Washington D.C. - Houston | Wed, Dec 9 | Frontier Airlines
      SGD 140
      68% off
      SGD 436 SGD 140
    • IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      IAD 22:35
      11h 10m
      1 stop
      IAH 08:45
      Washington D.C. - Houston | Tue, Dec 8 | Frontier Airlines
      SGD 141
      68% off
      SGD 436 SGD 141
    • IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Thu, Nov 12 | Frontier Airlines
      IAD 07:48
      15h 5m
      1 stop
      IAH 21:53
      Washington D.C. - Houston | Tue, Nov 17 | Frontier Airlines
      SGD 145
      67% off
      SGD 436 SGD 145
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Wed, Oct 28 | Normal Airline
      WAS 15:00
      6h
      Direct
      HOU 16:00
      Washington D.C. - Houston | Fri, Oct 30 | Normal Airline
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    • Cheapest
      IAH 20:21
      19h 51m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      SGD 52 SGD 270
      81% off
      81% off
      SGD 270 SGD 52
    • IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Wed, Nov 18 | Frontier Airlines
      SGD 55 SGD 270
      80% off
      80% off
      SGD 270 SGD 55
    • IAH 09:41
      24h 30m
      1 stop
      IAD 11:11
      Houston - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      SGD 56 SGD 270
      79% off
      79% off
      SGD 270 SGD 56
    • IAH 09:41
      24h 30m
      1 stop
      IAD 11:11
      Houston - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      SGD 57
      79% off
      SGD 270 SGD 57
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      SGD 68
      75% off
      SGD 270 SGD 68
    • IAH 06:05
      16h 38m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Wed, Nov 4 | Frontier Airlines
      SGD 69
      74% off
      SGD 270 SGD 69
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Mon, Nov 9 | Frontier Airlines
      SGD 69
      74% off
      SGD 270 SGD 69
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Fri, Nov 13 | Frontier Airlines
      SGD 75
      72% off
      SGD 270 SGD 75
    • IAH 13:41
      9h 2m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Sat, Oct 31 | Frontier Airlines
      SGD 76
      72% off
      SGD 270 SGD 76
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      SGD 190 SGD 533
      64% off
      64% off
      SGD 533 SGD 190
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Fri, Nov 13 | United Airlines
      SGD 192 SGD 270
      28% off
      28% off
      SGD 270 SGD 192
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Sat, Nov 21 | United Airlines
      SGD 226 SGD 270
      16% off
      16% off
      SGD 270 SGD 226
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 11 | United Airlines
      SGD 255
      52% off
      SGD 533 SGD 255
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 9 | United Airlines
      SGD 261
      51% off
      SGD 533 SGD 261
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Mon, Dec 7 | United Airlines
      SGD 262
      51% off
      SGD 533 SGD 262
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      SGD 262
      60% off
      SGD 659 SGD 262
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 31 | United Airlines
      SGD 262
      60% off
      SGD 659 SGD 262
    • IAH 18:38
      3h 4m
      Direct
      IAD 22:42
      Houston - Washington D.C. | Tue, Dec 8 | United Airlines
      SGD 263
      51% off
      SGD 533 SGD 263
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      SGD 190 SGD 533
      64% off
      64% off
      SGD 533 SGD 190
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 11 | United Airlines
      SGD 255 SGD 533
      52% off
      52% off
      SGD 533 SGD 255
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 9 | United Airlines
      SGD 261 SGD 533
      51% off
      51% off
      SGD 533 SGD 261
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Mon, Dec 7 | United Airlines
      SGD 262
      51% off
      SGD 533 SGD 262
    • IAH 18:38
      3h 4m
      Direct
      IAD 22:42
      Houston - Washington D.C. | Tue, Dec 8 | United Airlines
      SGD 263
      51% off
      SGD 533 SGD 263
    • IAH 18:40
      3h 1m
      Direct
      IAD 22:41
      Houston - Washington D.C. | Wed, Dec 30 | United Airlines
      SGD 283
      47% off
      SGD 533 SGD 283
    • IAH 18:40
      3h 1m
      Direct
      IAD 22:41
      Houston - Washington D.C. | Tue, Dec 22 | United Airlines
      SGD 284
      47% off
      SGD 533 SGD 284
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      SGD 285
      47% off
      SGD 533 SGD 285
    • IAH 20:40
      3h 1m
      Direct
      IAD 00:41
      Houston - Washington D.C. | Wed, Dec 23 | United Airlines
      SGD 287
      46% off
      SGD 533 SGD 287
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Oct 31 | United Airlines
      SGD 248 SGD 577
      56% off
      56% off
      SGD 577 SGD 248
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Fri, Oct 30 | United Airlines
      SGD 287 SGD 577
      50% off
      50% off
      SGD 577 SGD 287
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Oct 28 | United Airlines
      SGD 462 SGD 577
      20% off
      20% off
      SGD 577 SGD 462
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Thu, Oct 29 | United Airlines
      SGD 476
      18% off
      SGD 577 SGD 476
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 2 | United Airlines
      SGD 478
      17% off
      SGD 577 SGD 478
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Tue, Oct 27 | United Airlines
      SGD 484
      16% off
      SGD 577 SGD 484
    • IAH 10:51
      5h 19m
      1 stop
      IAD 17:10
      Houston - Washington D.C. | Sat, Oct 31 | Delta Air Lines
      SGD 325
      44% off
      SGD 577 SGD 325
    • IAH 05:29
      5h 3m
      1 stop
      IAD 11:32
      Houston - Washington D.C. | Thu, Oct 29 | Delta Air Lines
      SGD 404
      30% off
      SGD 577 SGD 404
    • IAH 14:22
      4h 52m
      1 stop
      IAD 20:14
      Houston - Washington D.C. | Wed, Oct 28 | Delta Air Lines
      SGD 419
      27% off
      SGD 577 SGD 419
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Fri, Nov 13 | United Airlines
      SGD 192 SGD 270
      28% off
      28% off
      SGD 270 SGD 192
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sun, Nov 15 | United Airlines
      SGD 284 SGD 659
      56% off
      56% off
      SGD 659 SGD 284
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Nov 7 | United Airlines
      SGD 319 SGD 659
      52% off
      52% off
      SGD 659 SGD 319
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Fri, Nov 27 | United Airlines
      SGD 440
      17% off
      SGD 533 SGD 440
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Thu, Nov 12 | United Airlines
      SGD 447
      16% off
      SGD 533 SGD 447
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Mon, Nov 30 | United Airlines
      SGD 462
      30% off
      SGD 659 SGD 462
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Nov 28 | United Airlines
      SGD 553
      16% off
      SGD 659 SGD 553
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      SGD 262
      60% off
      SGD 659 SGD 262
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 31 | United Airlines
      SGD 262
      60% off
      SGD 659 SGD 262
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Wed, Oct 28 | Normal Airline
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Displayed flight fares from Houston to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from George Bush Intercontinental Airport to Dulles International Airport

What is the cheapest month to fly from George Bush Intercontinental Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from George Bush Intercontinental Airport to Dulles International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from George Bush Intercontinental Airport to Dulles International Airport are usually in March, with an average price of SGD 122. It is best to avoid January, when the average price can reach SGD 569.

SGD 569
SGD 346
SGD 122
0
    Cheapest
  • SGD 448
    Oct
  • SGD 339
    Nov
  • SGD 276
    Dec
  • SGD 569
    Jan
  • SGD 492
    Feb
  • SGD 122
    Mar
  • SGD 326
    Apr
  • SGD 415
    May
  • SGD 353
    Jun
  • SGD 273
    Jul
  • SGD 265
    Aug
  • SGD 300
    Sep

What is the cheapest day of the week to fly from George Bush Intercontinental Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from George Bush Intercontinental Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from George Bush Intercontinental Airport to Dulles International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Friday as prices are typically highest on that day.

SGD 403
SGD 308
SGD 213
SGD 118
    Cheapest
  • SGD 321
    Mon
  • SGD 306
    Tue
  • SGD 213
    Wed
  • SGD 323
    Thu
  • SGD 403
    Fri
  • SGD 381
    Sat
  • SGD 362
    Sun

Which airline offers the cheapest flights from George Bush Intercontinental Airport to Dulles International Airport?

The cheapest airline flying from George Bush Intercontinental Airport to Dulles International Airport is Frontier Airlines (from SGD 52) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From SGD 52
Delta Air Lines
From SGD 118
United Airlines
From SGD 190
American Airlines
From SGD 200

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What is the flight schedule from George Bush Intercontinental Airport to Dulles International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94076

    George Bush Intercontinental Airport

    12:07

    IAH

    2h 23m

    Direct

    15:30

    ATL

    S M T W T F S
    Search

  2. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    - - T W T F S

  3. DL2709

    George Bush Intercontinental Airport

    13:15

    IAH

    2h 1m

    Direct

    16:16

    ATL

    S M T W T F S
    Search

  4. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 53m

    Direct

    17:13

    IAD

    S M T W T F S

  5. F91404

    George Bush Intercontinental Airport

    06:05

    IAH

    2h 30m

    Direct

    09:35

    ATL

    S M T W T F S
    Search

  6. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 53m

    Direct

    17:13

    IAD

    S M T W T F S

  7. F91496

    George Bush Intercontinental Airport

    08:14

    IAH

    2h 38m

    Direct

    11:52

    FLL

    S M - W T F S
    Search

  8. F92960

    Fort Lauderdale-Hollywood International Airport

    17:36

    FLL

    2h 35m

    Direct

    20:11

    IAD

    S M T W T F S

  9. DL1682

    George Bush Intercontinental Airport

    11:43

    IAH

    1h 57m

    Direct

    14:40

    ATL

    S M T W T - S
    Search

  10. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    - - T W T F S

  11. F92400

    George Bush Intercontinental Airport

    19:49

    IAH

    2h 22m

    Direct

    23:11

    ATL

    - M - - - F -
    Search

  12. F91082

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    1h 51m

    Direct

    07:51

    IAD

    - M - - - - -

  13. F94106

    George Bush Intercontinental Airport

    21:12

    IAH

    2h 10m

    Direct

    00:22

    ATL

    S - T W T - S
    Search

  14. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 53m

    Direct

    17:13

    IAD

    S M T W T F S

  15. F91404

    George Bush Intercontinental Airport

    06:05

    IAH

    2h 30m

    Direct

    09:35

    ATL

    S M T W T F S
    Search

  16. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    - - T W T F S

  17. F92400

    George Bush Intercontinental Airport

    19:49

    IAH

    2h 22m

    Direct

    23:11

    ATL

    - M - - - F -
    Search

  18. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 53m

    Direct

    17:13

    IAD

    S M T W T F S

  19. F91404

    George Bush Intercontinental Airport

    06:05

    IAH

    2h 30m

    Direct

    09:35

    ATL

    S M T W T F S
    Search

  20. F91082

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    1h 51m

    Direct

    07:51

    IAD

    - M - - - - -
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About George Bush Intercontinental Airport and Dulles International Airport

Learn about George Bush Intercontinental Airport (IAH) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 1,916.53km
Cheapest one-way ticket price SGD 52
Cheapest return ticket price SGD 119

FAQs for George Bush Intercontinental Airport to Dulles International Airport Flights

  • How long is the flight from George Bush Intercontinental Airport to Dulles International Airport?

    George Bush Intercontinental Airport to Dulles International Airport takes about 3 hours 8 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 5 daily flights from George Bush Intercontinental Airport (IAH) to Dulles International Airport (IAD).
  • The earliest flight from George Bush Intercontinental Airport to Dulles International Airport departs at 07:20, and the last departs at 20:20, with about 8 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from George Bush Intercontinental Airport (IAH) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around SGD 487 in October, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 2843 flights per month.
  • One-way flights from George Bush Intercontinental Airport to Dulles International Airport currently start from SGD 52, and round-trip fares start from SGD 119. The current lowest fare is a Frontier Airlines flight departing on Tue, Nov 17; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from George Bush Intercontinental Airport to Dulles International Airport, with an average flight time of 3 hours 40 minutes, and around 53 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 George Bush Intercontinental Airport to Dulles International Airport is SGD 288. Prices may vary depending on the departure date, airline, and availability.
  • George Bush Intercontinental Airport to Dulles International Airport operates around 53 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter George Bush Intercontinental Airport and Dulles 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.