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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 US$44 and round-trip from US$111. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      IAH 06:05
      10h 7m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Fri, Dec 11 | Frontier Airlines
      US$44 US$237
      81% off
      81% off
      US$237 US$44
    • Cheapest
      IAH 06:05
      10h 7m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Thu, Dec 10 | Frontier Airlines
      US$44 US$237
      81% off
      81% off
      US$237 US$44
    • Cheapest
      IAH 06:05
      16h 38m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Fri, Nov 27 | Frontier Airlines
      US$44 US$237
      81% off
      81% off
      US$237 US$44
    • IAH 21:24
      12h 47m
      1 stop
      IAD 11:11
      Houston - Washington D.C. | Thu, Dec 24 | Frontier Airlines
      US$48
      80% off
      US$237 US$48
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Wed, Dec 9 | Frontier Airlines
      US$53
      78% off
      US$237 US$53
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Wed, Nov 25 | Frontier Airlines
      US$54
      77% off
      US$237 US$54
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Sun, Dec 6 | Frontier Airlines
      US$59
      75% off
      US$237 US$59
    • IAH 13:41
      9h 2m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Mon, Nov 23 | Frontier Airlines
      US$60
      75% off
      US$237 US$60
    • IAH 21:14
      25h 29m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Sun, Nov 29 | Frontier Airlines
      US$60
      75% off
      US$237 US$60
    • 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. | Sat, Nov 28 | United Airlines
      DCA 19:38
      3h 36m
      Direct
      IAH 22:14
      Washington D.C. - Houston | Thu, Dec 3 | American Airlines
      US$313 US$390
      20% off
      20% off
      US$390 US$313
    • IAH 07:22
      3h 6m
      Direct
      IAD 11:28
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      DCA 06:00
      3h 31m
      Direct
      IAH 08:31
      Washington D.C. - Houston | Mon, Nov 30 | United Airlines
      US$327 US$390
      16% off
      16% off
      US$390 US$327
    • IAH 06:05
      10h 7m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Fri, Nov 27 | Frontier Airlines
      IAD 08:05
      15h 26m
      1 stop
      IAH 22:31
      Washington D.C. - Houston | Thu, Dec 3 | Frontier Airlines
      US$111 US$390
      72% off
      72% off
      US$390 US$111
    • IAH 06:05
      10h 7m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Thu, Nov 19 | Frontier Airlines
      IAD 08:05
      15h 26m
      1 stop
      IAH 22:31
      Washington D.C. - Houston | Thu, Nov 26 | Frontier Airlines
      US$115
      71% off
      US$390 US$115
    • IAH 13:28
      9h 53m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Mon, Nov 16 | Frontier Airlines
      IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Wed, Nov 18 | Frontier Airlines
      US$118
      70% off
      US$390 US$118
    • IAH 06:05
      10h 7m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Thu, Dec 3 | Frontier Airlines
      IAD 08:05
      7h 45m
      1 stop
      IAH 14:50
      Washington D.C. - Houston | Fri, Dec 4 | Frontier Airlines
      US$125
      68% off
      US$390 US$125
    • IAH 06:05
      10h 7m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Fri, Nov 20 | Frontier Airlines
      IAD 08:05
      7h 45m
      1 stop
      IAH 14:50
      Washington D.C. - Houston | Fri, Nov 27 | Frontier Airlines
      US$126
      68% off
      US$390 US$126
    • IAH 13:41
      9h 2m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Mon, Dec 7 | Frontier Airlines
      IAD 08:05
      7h 45m
      1 stop
      IAH 14:50
      Washington D.C. - Houston | Fri, Dec 11 | Frontier Airlines
      US$128
      67% off
      US$390 US$128
    • IAH 06:05
      10h 8m
      1 stop
      IAD 17:13
      Houston - Washington D.C. | Thu, Nov 12 | Frontier Airlines
      IAD 08:05
      15h 26m
      1 stop
      IAH 22:31
      Washington D.C. - Houston | Thu, Nov 19 | Frontier Airlines
      US$129
      67% off
      US$390 US$129
    • 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 nonstop
      IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      US$149 US$283
      47% off
      47% off
      US$283 US$149
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      US$149 US$283
      47% off
      47% off
      US$283 US$149
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      US$194 US$237
      18% off
      18% off
      US$237 US$194
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Thu, Dec 10 | United Airlines
      US$194
      31% off
      US$283 US$194
    • IAH 11:55
      3h 4m
      Direct
      IAD 15:59
      Houston - Washington D.C. | Fri, Dec 4 | United Airlines
      US$199
      16% off
      US$237 US$199
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 11 | United Airlines
      US$199
      30% off
      US$283 US$199
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 9 | United Airlines
      US$205
      28% off
      US$283 US$205
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Mon, Dec 7 | United Airlines
      US$205
      28% off
      US$283 US$205
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      US$205
      63% off
      US$553 US$205
    • 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 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 23 | United Airlines
      US$149 US$333
      55% off
      55% off
      US$333 US$149
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Tue, Dec 15 | United Airlines
      US$149 US$333
      55% off
      55% off
      US$333 US$149
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Thu, Dec 10 | United Airlines
      US$194 US$333
      42% off
      42% off
      US$333 US$194
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Nov 11 | United Airlines
      US$199
      40% off
      US$333 US$199
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 9 | United Airlines
      US$205
      38% off
      US$333 US$205
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Mon, Dec 7 | United Airlines
      US$205
      38% off
      US$333 US$205
    • IAH 18:38
      3h 4m
      Direct
      IAD 22:42
      Houston - Washington D.C. | Tue, Dec 8 | United Airlines
      US$206
      38% off
      US$333 US$206
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Fri, Nov 27 | United Airlines
      US$219
      34% off
      US$333 US$219
    • IAH 18:40
      3h 1m
      Direct
      IAD 22:41
      Houston - Washington D.C. | Wed, Dec 30 | United Airlines
      US$221
      34% off
      US$333 US$221
    • 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
      US$194 US$452
      56% off
      56% off
      US$452 US$194
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Fri, Oct 30 | United Airlines
      US$225 US$452
      50% off
      50% off
      US$452 US$225
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Wed, Oct 28 | United Airlines
      US$321 US$452
      28% off
      28% off
      US$452 US$321
    • IAH 16:45
      3h 4m
      Direct
      IAD 20:49
      Houston - Washington D.C. | Thu, Oct 29 | United Airlines
      US$321
      28% off
      US$452 US$321
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Mon, Nov 2 | United Airlines
      US$374
      17% off
      US$452 US$374
    • IAH 18:40
      3h 4m
      Direct
      IAD 22:44
      Houston - Washington D.C. | Tue, Oct 27 | United Airlines
      US$379
      16% off
      US$452 US$379
    • IAH 10:51
      5h 19m
      1 stop
      IAD 17:10
      Houston - Washington D.C. | Sat, Oct 31 | Delta Air Lines
      US$255
      44% off
      US$452 US$255
    • IAH 05:29
      5h 3m
      1 stop
      IAD 11:32
      Houston - Washington D.C. | Thu, Oct 29 | Delta Air Lines
      US$279
      38% off
      US$452 US$279
    • IAH 14:22
      4h 52m
      1 stop
      IAD 20:14
      Houston - Washington D.C. | Wed, Oct 28 | Delta Air Lines
      US$279
      38% off
      US$452 US$279
    • 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. | Mon, Nov 23 | United Airlines
      US$194 US$237
      18% off
      18% off
      US$237 US$194
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Fri, Nov 27 | United Airlines
      US$219 US$283
      23% off
      23% off
      US$283 US$219
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sun, Nov 15 | United Airlines
      US$222 US$553
      60% off
      60% off
      US$553 US$222
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Thu, Nov 12 | United Airlines
      US$237
      16% off
      US$283 US$237
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Nov 7 | United Airlines
      US$250
      55% off
      US$553 US$250
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Mon, Nov 30 | United Airlines
      US$347
      37% off
      US$553 US$347
    • IAH 20:38
      2h 59m
      Direct
      IAD 00:37
      Houston - Washington D.C. | Sat, Nov 28 | United Airlines
      US$464
      16% off
      US$553 US$464
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 24 | United Airlines
      US$205
      63% off
      US$553 US$205
    • IAH 14:36
      3h
      Direct
      IAD 18:36
      Houston - Washington D.C. | Thu, Dec 31 | United Airlines
      US$205
      63% off
      US$553 US$205
    • 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 US$96. It is best to avoid January, when the average price can reach US$446.

US$446
US$271
US$96
0
    Cheapest
  • US$350
    Oct
  • US$266
    Nov
  • US$216
    Dec
  • US$446
    Jan
  • US$385
    Feb
  • US$96
    Mar
  • US$255
    Apr
  • US$325
    May
  • US$276
    Jun
  • US$214
    Jul
  • US$207
    Aug
  • US$235
    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.

US$316
US$242
US$167
US$93
    Cheapest
  • US$252
    Mon
  • US$240
    Tue
  • US$167
    Wed
  • US$253
    Thu
  • US$316
    Fri
  • US$298
    Sat
  • US$283
    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 US$44) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From US$44
Delta Air Lines
From US$101
American Airlines
From US$159
United Airlines
From US$194

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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

    S - T W T F S

  3. F91404

    George Bush Intercontinental Airport

    06:05

    IAH

    2h 30m

    Direct

    09:35

    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. F91496

    George Bush Intercontinental Airport

    08:18

    IAH

    2h 31m

    Direct

    11:49

    FLL

    S M - W T F S
    Search

  6. F92960

    Fort Lauderdale-Hollywood International Airport

    17:35

    FLL

    2h 36m

    Direct

    20:11

    IAD

    S M T W T F S

  7. DL1682

    George Bush Intercontinental Airport

    11:43

    IAH

    1h 57m

    Direct

    14:40

    ATL

    S M T W T - S
    Search

  8. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    S - T W T F S

  9. F94106

    George Bush Intercontinental Airport

    21:12

    IAH

    2h 10m

    Direct

    00:22

    ATL

    S - T W T - S
    Search

  10. F91082

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    1h 51m

    Direct

    07:51

    IAD

    - M - - - - -

  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

    S - T W T F S

  17. F91404

    George Bush Intercontinental Airport

    06:05

    IAH

    2h 30m

    Direct

    09:35

    ATL

    S M T W T F S
    Search

  18. F91082

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    1h 51m

    Direct

    07:51

    IAD

    - M - - - - -

  19. F94106

    George Bush Intercontinental Airport

    21:12

    IAH

    2h 10m

    Direct

    00:22

    ATL

    S - T W T - S
    Search

  20. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    S - T W T F S
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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 US$44
Cheapest return ticket price US$111

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 US$365 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 US$44, and round-trip fares start from US$111. The current lowest fare is a Frontier Airlines flight departing on Fri, Dec 11; 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 US$226. 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.

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