Trip.com
>
Cheap Flights
>
United States
>
District of Columbia
>
Washington D.C.
>
Houston to Washington D.C. flight
>
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 HK$338 and round-trip from HK$728. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Wed, Nov 18 | Frontier Airlines
      HK$338 HK$1,299
      74% off
      74% off
      HK$1,299 HK$338
    • IAH 09:41
      24h 30m
      1 stop
      IAD 11:11
      Houston - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      HK$340 HK$1,299
      74% off
      74% off
      HK$1,299 HK$340
    • IAH 09:41
      24h 30m
      1 stop
      IAD 11:11
      Houston - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      HK$347 HK$1,299
      73% off
      73% off
      HK$1,299 HK$347
    • IAH 21:38
      19h
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Sun, Dec 13 | Frontier Airlines
      HK$382
      71% off
      HK$1,299 HK$382
    • IAH 21:38
      16h 11m
      1 stop
      IAD 14:49
      Houston - Washington D.C. | Fri, Dec 11 | Frontier Airlines
      HK$385
      70% off
      HK$1,299 HK$385
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Fri, Nov 13 | Frontier Airlines
      HK$457
      65% off
      HK$1,299 HK$457
    • IAH 21:24
      16h 25m
      1 stop
      IAD 14:49
      Houston - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      HK$476
      63% off
      HK$1,299 HK$476
    • IAH 14:05
      8h 38m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Thu, Nov 19 | Frontier Airlines
      HK$483
      63% off
      HK$1,299 HK$483
    • IAH 13:41
      9h 2m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Sat, Nov 14 | Frontier Airlines
      HK$513
      61% off
      HK$1,299 HK$513
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • 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 |
      HK$2,224 HK$2,503
      11% off
      11% off
      HK$2,503 HK$2,224
    • 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
      HK$2,252 HK$2,503
      10% off
      10% off
      HK$2,503 HK$2,252
    • 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
      HK$728 HK$2,503
      71% off
      71% off
      HK$2,503 HK$728
    • 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
      HK$795
      68% off
      HK$2,503 HK$795
    • IAH 17:26
      27h 36m
      1 stop
      IAD 22:02
      Houston - Washington D.C. | Tue, Nov 24 | Frontier Airlines
      IAD 22:33
      19h 58m
      1 stop
      IAH 17:31
      Washington D.C. - Houston | Tue, Dec 1 | Frontier Airlines
      HK$835
      67% off
      HK$2,503 HK$835
    • 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
      HK$859
      66% off
      HK$2,503 HK$859
    • IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      IAD 12:06
      6h 23m
      1 stop
      IAH 17:29
      Washington D.C. - Houston | Wed, Dec 16 | Frontier Airlines
      HK$883
      65% off
      HK$2,503 HK$883
    • IAH 17:01
      27h 49m
      1 stop
      IAD 21:50
      Houston - Washington D.C. | Wed, Dec 9 | Frontier Airlines
      IAD 15:34
      25h 32m
      1 stop
      IAH 16:06
      Washington D.C. - Houston | Tue, Dec 15 | Frontier Airlines
      HK$898
      64% off
      HK$2,503 HK$898
    • IAH 17:01
      27h 49m
      1 stop
      IAD 21:50
      Houston - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      IAD 15:34
      25h 32m
      1 stop
      IAH 16:06
      Washington D.C. - Houston | Mon, Dec 14 | Frontier Airlines
      HK$898
      64% off
      HK$2,503 HK$898
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Mon, Nov 2 | Normal Airline
      WAS 15:00
      6h
      Direct
      HOU 16:00
      Washington D.C. - Houston | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      HK$1,165 HK$1,299
      10% off
      10% off
      HK$1,299 HK$1,165
    • IAH 18:28
      3h 8m
      Direct
      IAD 22:36
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      HK$1,169 HK$1,299
      10% off
      10% off
      HK$1,299 HK$1,169
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      HK$1,169 HK$2,897
      60% off
      60% off
      HK$2,897 HK$1,169
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 25 | United Airlines
      HK$1,399
      52% off
      HK$2,897 HK$1,399
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 11 | United Airlines
      HK$1,564
      46% off
      HK$2,897 HK$1,564
    • IAH 20:40
      3h 1m
      Direct
      IAD 00:41
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      HK$1,607
      45% off
      HK$2,897 HK$1,607
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Mon, Dec 7 | United Airlines
      HK$1,607
      45% off
      HK$2,897 HK$1,607
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      HK$1,607
      56% off
      HK$3,778 HK$1,607
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 31 | United Airlines
      HK$1,607
      56% off
      HK$3,778 HK$1,607
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      HK$1,169 HK$2,897
      60% off
      60% off
      HK$2,897 HK$1,169
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 25 | United Airlines
      HK$1,399 HK$2,897
      52% off
      52% off
      HK$2,897 HK$1,399
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 11 | United Airlines
      HK$1,564 HK$2,897
      46% off
      46% off
      HK$2,897 HK$1,564
    • IAH 20:40
      3h 1m
      Direct
      IAD 00:41
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      HK$1,607
      45% off
      HK$2,897 HK$1,607
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Mon, Dec 7 | United Airlines
      HK$1,607
      45% off
      HK$2,897 HK$1,607
    • IAH 18:38
      3h 4m
      Direct
      IAD 22:42
      Houston - Washington D.C. | Tue, Dec 8 | United Airlines
      HK$1,615
      44% off
      HK$2,897 HK$1,615
    • IAH 18:40
      3h 1m
      Direct
      IAD 22:41
      Houston - Washington D.C. | Wed, Dec 30 | United Airlines
      HK$1,736
      40% off
      HK$2,897 HK$1,736
    • IAH 16:20
      3h 4m
      Direct
      IAD 20:24
      Houston - Washington D.C. | Thu, Nov 26 | United Airlines
      HK$1,933
      33% off
      HK$2,897 HK$1,933
    • IAH 18:40
      3h 1m
      Direct
      IAD 22:41
      Houston - Washington D.C. | Tue, Dec 22 | United Airlines
      HK$2,001
      31% off
      HK$2,897 HK$2,001
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Thu, Nov 5 | United Airlines
      HK$2,395 HK$3,363
      28% off
      28% off
      HK$3,363 HK$2,395
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 2 | United Airlines
      HK$2,607 HK$3,363
      22% off
      22% off
      HK$3,363 HK$2,607
    • IAH 18:58
      3h 4m
      Direct
      IAD 23:02
      Houston - Washington D.C. | Sun, Nov 1 | United Airlines
      HK$2,610 HK$3,363
      22% off
      22% off
      HK$3,363 HK$2,610
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Fri, Nov 6 | United Airlines
      HK$3,026
      10% off
      HK$3,363 HK$3,026
    • IAH 05:10
      5h 24m
      1 stop
      IAD 11:34
      Houston - Washington D.C. | Mon, Nov 2 | Delta Air Lines
      HK$2,239
      33% off
      HK$3,363 HK$2,239
    • IAH 05:10
      5h 24m
      1 stop
      IAD 11:34
      Houston - Washington D.C. | Sun, Nov 1 | Delta Air Lines
      HK$2,241
      33% off
      HK$3,363 HK$2,241
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      HK$1,165 HK$1,299
      10% off
      10% off
      HK$1,299 HK$1,165
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Nov 7 | United Airlines
      HK$1,962 HK$3,778
      48% off
      48% off
      HK$3,778 HK$1,962
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Thu, Nov 12 | United Airlines
      HK$2,418 HK$2,897
      17% off
      17% off
      HK$2,897 HK$2,418
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Mon, Nov 30 | United Airlines
      HK$2,455
      35% off
      HK$3,778 HK$2,455
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sun, Nov 15 | United Airlines
      HK$2,606
      31% off
      HK$3,778 HK$2,606
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Nov 28 | United Airlines
      HK$3,400
      10% off
      HK$3,778 HK$3,400
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      HK$1,607
      56% off
      HK$3,778 HK$1,607
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 31 | United Airlines
      HK$1,607
      56% off
      HK$3,778 HK$1,607
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Fri, Dec 18 | United Airlines
      HK$2,170
      43% off
      HK$3,778 HK$2,170
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Mon, Nov 2 | Normal Airline
      Find more flights
      Find more flights

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 HK$750. It is best to avoid January, when the average price can reach HK$3,499.

HK$3,499
HK$2,125
HK$750
0
    Cheapest
  • HK$2,751
    Oct
  • HK$2,085
    Nov
  • HK$1,693
    Dec
  • HK$3,499
    Jan
  • HK$3,023
    Feb
  • HK$750
    Mar
  • HK$2,001
    Apr
  • HK$2,548
    May
  • HK$2,169
    Jun
  • HK$1,678
    Jul
  • HK$1,625
    Aug
  • HK$1,843
    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.

HK$2,434
HK$1,872
HK$1,309
HK$747
    Cheapest
  • HK$1,975
    Mon
  • HK$1,881
    Tue
  • HK$1,309
    Wed
  • HK$1,982
    Thu
  • HK$2,434
    Fri
  • HK$2,209
    Sat
  • HK$2,341
    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 HK$338) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$338
Delta Air Lines
From HK$650
American Airlines
From HK$1,250
United Airlines
From HK$1,344

Find more flights and airlines

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

    14:51

    IAH

    2h 20m

    Direct

    18:11

    ATL

    S M T W T F S
    Search

  2. F93692

    Hartsfield–Jackson Atlanta International Airport

    21:52

    ATL

    1h 51m

    Direct

    23:43

    IAD

    S M 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

    13:00

    ATL

    1h 48m

    Direct

    14:48

    IAD

    S M T W T F S

  5. F91404

    George Bush Intercontinental Airport

    07:19

    IAH

    2h 24m

    Direct

    10:43

    ATL

    S M T W T F S
    Search

  6. F94410

    Hartsfield–Jackson Atlanta International Airport

    13:00

    ATL

    1h 48m

    Direct

    14:48

    IAD

    S M T W T F S

  7. F91496

    George Bush Intercontinental Airport

    08:18

    IAH

    2h 31m

    Direct

    11:49

    FLL

    S M - W T F S
    Search

  8. F92960

    Fort Lauderdale-Hollywood International Airport

    19:01

    FLL

    2h 36m

    Direct

    21:37

    IAD

    S - - W T F S

  9. DL1682

    George Bush Intercontinental Airport

    11:50

    IAH

    2h 4m

    Direct

    14:54

    ATL

    S M T W T - S
    Search

  10. F93692

    Hartsfield–Jackson Atlanta International Airport

    21:52

    ATL

    1h 51m

    Direct

    23:43

    IAD

    S M T W T F S

  11. F94106

    George Bush Intercontinental Airport

    21:12

    IAH

    2h 10m

    Direct

    00:22

    ATL

    S - T W T - S
    Search

  12. F94410

    Hartsfield–Jackson Atlanta International Airport

    13:00

    ATL

    1h 48m

    Direct

    14:48

    IAD

    S M T W T F S

  13. F91404

    George Bush Intercontinental Airport

    07:19

    IAH

    2h 24m

    Direct

    10:43

    ATL

    S M T W T F S
    Search

  14. F93692

    Hartsfield–Jackson Atlanta International Airport

    21:52

    ATL

    1h 51m

    Direct

    23:43

    IAD

    S M T W T F S

  15. F92400

    George Bush Intercontinental Airport

    19:50

    IAH

    2h 22m

    Direct

    23:12

    ATL

    - M - - - F -
    Search

  16. F94410

    Hartsfield–Jackson Atlanta International Airport

    13:00

    ATL

    1h 48m

    Direct

    14:48

    IAD

    S M T W T F S

  17. F94106

    George Bush Intercontinental Airport

    21:12

    IAH

    2h 10m

    Direct

    00:22

    ATL

    S - T W T - S
    Search

  18. F93692

    Hartsfield–Jackson Atlanta International Airport

    21:52

    ATL

    1h 51m

    Direct

    23:43

    IAD

    S M T W T F S
Find more flights and airlines

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 1,916.53 km
Cheapest one-way ticket price HK$338
Cheapest return ticket price HK$728

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 05:00, and the last departs at 20:38, with about 10 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 HK$2,323 in December, 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 HK$338, and round-trip fares start from HK$728. The current lowest fare is a Frontier Airlines flight departing on Wed, Nov 18; 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 4 hours 9 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 HK$1,690. 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.