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Dulles International Airport to George Bush Intercontinental Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to George Bush Intercontinental Airport over the next 90 days, with one-way fares from £29 and round-trip from £65. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAD 06:00
      3h 37m
      Direct
      IAH 08:37
      Washington D.C. - Houston | Fri, Nov 13 | United Airlines
      HOU 14:15
      2h 55m
      Direct
      DCA 18:10
      Houston - Washington D.C. | Tue, Nov 17 |
      £186 £249
      25% off
      25% off
      £249 £186
    • IAD 06:00
      3h 37m
      Direct
      IAH 08:37
      Washington D.C. - Houston | Tue, Nov 17 | United Airlines
      IAH 17:15
      3h 7m
      Direct
      IAD 21:22
      Houston - Washington D.C. | Mon, Nov 23 | American Airlines
      £209 £249
      16% off
      16% off
      £249 £209
    • IAD 22:33
      11h 12m
      1 stop
      IAH 08:45
      Washington D.C. - Houston | Fri, Dec 4 | Frontier Airlines
      IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Mon, Dec 7 | Frontier Airlines
      £65 £249
      74% off
      74% off
      £249 £65
    • IAD 21:06
      15h 28m
      1 stop
      IAH 11:34
      Washington D.C. - Houston | Sun, Nov 15 | Frontier Airlines
      IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      £68
      73% off
      £249 £68
    • IAD 18:07
      14h 16m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Wed, Nov 11 | Frontier Airlines
      IAH 06:00
      16h 43m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      £72
      71% off
      £249 £72
    • IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Thu, Nov 12 | Frontier Airlines
      IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      £74
      70% off
      £249 £74
    • IAD 06:40
      6h 10m
      1 stop
      IAH 11:50
      Washington D.C. - Houston | Tue, Dec 1 | Frontier Airlines
      IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Sat, Dec 5 | Frontier Airlines
      £74
      70% off
      £249 £74
    • IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Mon, Nov 9 | Frontier Airlines
      IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      £75
      70% off
      £249 £75
    • IAD 12:06
      6h 25m
      1 stop
      IAH 17:31
      Washington D.C. - Houston | Wed, Dec 2 | Frontier Airlines
      IAH 10:57
      22h 10m
      1 stop
      IAD 10:07
      Houston - Washington D.C. | Mon, Dec 7 | Frontier Airlines
      £76
      69% off
      £249 £76
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Wed, Oct 28 | Normal Airline
      HOU 15:00
      6h
      Direct
      WAS 16:00
      Houston - Washington D.C. | Fri, Oct 30 | Normal Airline
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    • Cheapest
      IAD 07:48
      28h 46m
      1 stop
      IAH 11:34
      Washington D.C. - Houston | Tue, Nov 17 | Frontier Airlines
      £29 £159
      82% off
      82% off
      £159 £29
    • IAD 07:48
      15h 5m
      1 stop
      IAH 21:53
      Washington D.C. - Houston | Wed, Nov 11 | Frontier Airlines
      £33 £159
      79% off
      79% off
      £159 £33
    • IAD 12:06
      6h 25m
      1 stop
      IAH 17:31
      Washington D.C. - Houston | Wed, Dec 2 | Frontier Airlines
      £36 £159
      77% off
      77% off
      £159 £36
    • IAD 22:33
      11h 3m
      1 stop
      IAH 08:36
      Washington D.C. - Houston | Tue, Dec 1 | Frontier Airlines
      £36
      77% off
      £159 £36
    • IAD 22:35
      11h 10m
      1 stop
      IAH 08:45
      Washington D.C. - Houston | Sat, Dec 5 | Frontier Airlines
      £36
      77% off
      £159 £36
    • IAD 07:32
      24h 51m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Fri, Nov 13 | Frontier Airlines
      £37
      77% off
      £159 £37
    • IAD 07:48
      7h 56m
      1 stop
      IAH 14:44
      Washington D.C. - Houston | Wed, Nov 18 | Frontier Airlines
      £37
      77% off
      £159 £37
    • IAD 07:32
      15h 21m
      1 stop
      IAH 21:53
      Washington D.C. - Houston | Thu, Nov 12 | Frontier Airlines
      £37
      77% off
      £159 £37
    • IAD 12:06
      6h 23m
      1 stop
      IAH 17:29
      Washington D.C. - Houston | Tue, Dec 8 | Frontier Airlines
      £37
      77% off
      £159 £37
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 06:00
      3h 37m
      Direct
      IAH 08:37
      Washington D.C. - Houston | Thu, Nov 12 | United Airlines
      £133 £159
      16% off
      16% off
      £159 £133
    • IAD 12:50
      3h 37m
      Direct
      IAH 15:27
      Washington D.C. - Houston | Wed, Nov 11 | United Airlines
      £133 £159
      16% off
      16% off
      £159 £133
    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Thu, Dec 24 | United Airlines
      £144 £334
      56% off
      56% off
      £334 £144
    • IAD 14:24
      3h 37m
      Direct
      IAH 17:01
      Washington D.C. - Houston | Mon, Dec 7 | United Airlines
      £153
      54% off
      £334 £153
    • IAD 17:55
      3h 47m
      Direct
      IAH 20:42
      Washington D.C. - Houston | Fri, Dec 25 | United Airlines
      £154
      54% off
      £334 £154
    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Tue, Dec 29 | United Airlines
      £154
      54% off
      £334 £154
    • IAD 14:24
      3h 37m
      Direct
      IAH 17:01
      Washington D.C. - Houston | Thu, Dec 3 | United Airlines
      £155
      54% off
      £334 £155
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Fri, Nov 6 | United Airlines
      £159
      52% off
      £334 £159
    • IAD 14:24
      3h 37m
      Direct
      IAH 17:01
      Washington D.C. - Houston | Tue, Dec 1 | United Airlines
      £161
      52% off
      £334 £161
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Thu, Dec 24 | United Airlines
      £144 £334
      56% off
      56% off
      £334 £144
    • IAD 14:24
      3h 37m
      Direct
      IAH 17:01
      Washington D.C. - Houston | Mon, Dec 7 | United Airlines
      £153 £334
      54% off
      54% off
      £334 £153
    • IAD 17:55
      3h 47m
      Direct
      IAH 20:42
      Washington D.C. - Houston | Fri, Dec 25 | United Airlines
      £154 £334
      54% off
      54% off
      £334 £154
    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Tue, Dec 29 | United Airlines
      £154
      54% off
      £334 £154
    • IAD 14:24
      3h 37m
      Direct
      IAH 17:01
      Washington D.C. - Houston | Thu, Dec 3 | United Airlines
      £155
      54% off
      £334 £155
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Fri, Nov 6 | United Airlines
      £159
      52% off
      £334 £159
    • IAD 14:24
      3h 37m
      Direct
      IAH 17:01
      Washington D.C. - Houston | Tue, Dec 1 | United Airlines
      £161
      52% off
      £334 £161
    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Tue, Dec 22 | United Airlines
      £166
      50% off
      £334 £166
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Wed, Nov 18 | United Airlines
      £193
      42% off
      £334 £193
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Tue, Oct 27 | United Airlines
      £176 £334
      47% off
      47% off
      £334 £176
    • IAD 12:50
      3h 37m
      Direct
      IAH 15:27
      Washington D.C. - Houston | Sun, Nov 1 | United Airlines
      £213 £334
      36% off
      36% off
      £334 £213
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Wed, Oct 28 | United Airlines
      £248 £334
      26% off
      26% off
      £334 £248
    • IAD 17:54
      3h 36m
      Direct
      IAH 20:30
      Washington D.C. - Houston | Mon, Nov 2 | United Airlines
      £255
      24% off
      £334 £255
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Fri, Oct 30 | United Airlines
      £267
      20% off
      £334 £267
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Thu, Oct 29 | United Airlines
      £279
      16% off
      £334 £279
    • IAD 14:38
      3h 37m
      Direct
      IAH 17:15
      Washington D.C. - Houston | Sat, Oct 31 | United Airlines
      £280
      16% off
      £334 £280
    • IAD 15:03
      5h 59m
      1 stop
      IAH 20:02
      Washington D.C. - Houston | Wed, Oct 28 | Delta Air Lines
      £177
      47% off
      £334 £177
    • IAD 06:05
      5h 22m
      1 stop
      IAH 10:27
      Washington D.C. - Houston | Thu, Oct 29 | Delta Air Lines
      £242
      28% off
      £334 £242
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Wed, Oct 28 | Normal Airline
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    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Thu, Dec 24 | United Airlines
      £144 £334
      56% off
      56% off
      £334 £144
    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Tue, Dec 29 | United Airlines
      £154 £334
      54% off
      54% off
      £334 £154
    • IAD 22:54
      3h 36m
      Direct
      IAH 01:30
      Washington D.C. - Houston | Tue, Dec 22 | United Airlines
      £166 £334
      50% off
      50% off
      £334 £166
    • IAD 08:30
      3h 36m
      Direct
      IAH 11:06
      Washington D.C. - Houston | Wed, Dec 2 | United Airlines
      £196
      53% off
      £417 £196
    • IAD 17:54
      3h 36m
      Direct
      IAH 20:30
      Washington D.C. - Houston | Sun, Nov 15 | United Airlines
      £219
      47% off
      £417 £219
    • IAD 17:54
      3h 36m
      Direct
      IAH 20:30
      Washington D.C. - Houston | Mon, Nov 2 | United Airlines
      £255
      24% off
      £334 £255
    • IAD 08:34
      3h 36m
      Direct
      IAH 11:10
      Washington D.C. - Houston | Thu, Oct 29 | United Airlines
      £279
      33% off
      £417 £279
    • IAD 17:54
      3h 36m
      Direct
      IAH 20:30
      Washington D.C. - Houston | Mon, Nov 30 | United Airlines
      £284
      32% off
      £417 £284
    • IAD 08:34
      3h 36m
      Direct
      IAH 11:10
      Washington D.C. - Houston | Sun, Nov 29 | United Airlines
      £350
      16% off
      £417 £350
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Wed, Oct 28 | Normal Airline
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Displayed flight fares from Washington D.C. to Houston 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 George Bush Intercontinental Airport?

The cheapest airline flying from Dulles International Airport to George Bush Intercontinental Airport is Frontier Airlines (from £29) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £29
Delta Air Lines
From £71
American Airlines
From £118
United Airlines
From £133

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1354

    Dulles International Airport

    07:17

    IAD

    2h 5m

    Direct

    09:22

    ATL

    S M T W T F S
    Search

  2. F93217

    Hartsfield–Jackson Atlanta International Airport

    18:35

    ATL

    2h 34m

    Direct

    20:09

    IAH

    - - T - - - -

  3. F94707

    Dulles International Airport

    07:50

    IAD

    2h 4m

    Direct

    09:54

    ATL

    S M T W T F S
    Search

  4. F93217

    Hartsfield–Jackson Atlanta International Airport

    18:35

    ATL

    2h 34m

    Direct

    20:09

    IAH

    - - T - - - -

  5. F94707

    Dulles International Airport

    07:50

    IAD

    2h 4m

    Direct

    09:54

    ATL

    S M T W T F S
    Search

  6. DL1874

    Hartsfield–Jackson Atlanta International Airport

    14:37

    ATL

    2h 10m

    Direct

    15:47

    IAH

    S M T W T F S

  7. F94409

    Dulles International Airport

    21:06

    IAD

    2h 2m

    Direct

    23:08

    ATL

    S M T W T F S
    Search

  8. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 19m

    Direct

    07:19

    IAH

    S M - W T F S

  9. F94707

    Dulles International Airport

    07:50

    IAD

    2h 4m

    Direct

    09:54

    ATL

    S M T W T F S
    Search

  10. F94075

    Hartsfield–Jackson Atlanta International Airport

    21:04

    ATL

    2h 19m

    Direct

    22:23

    IAH

    S M T W T F S

  11. F94707

    Dulles International Airport

    07:50

    IAD

    2h 4m

    Direct

    09:54

    ATL

    S M T W T F S
    Search

  12. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 19m

    Direct

    07:19

    IAH

    S M - W T F S

  13. F94707

    Dulles International Airport

    07:50

    IAD

    2h 4m

    Direct

    09:54

    ATL

    S M T W T F S
    Search

  14. F92399

    Hartsfield–Jackson Atlanta International Airport

    09:55

    ATL

    2h 27m

    Direct

    11:22

    IAH

    S M T W T F S
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About Dulles International Airport and George Bush Intercontinental Airport

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

Flight distance 1,916.53km
Cheapest one-way ticket price £29
Cheapest return ticket price £65

FAQs for Dulles International Airport to George Bush Intercontinental Airport Flights

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

    Dulles International Airport to George Bush Intercontinental Airport takes about 3 hours 35 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 5 daily flights from Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH).
  • The earliest flight from Dulles International Airport to George Bush Intercontinental Airport departs at 06:15, and the last departs at 22:18, 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 Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH) is quite popular. Without considering departure times or holidays, tickets cost around £270 in October, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 3194 flights per month.
  • One-way flights from Dulles International Airport to George Bush Intercontinental Airport currently start from £29, and round-trip fares start from £65. 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 Dulles International Airport to George Bush Intercontinental Airport, with an average flight time of 4 hours 46 minutes, and around 63 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 George Bush Intercontinental Airport is £160. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to George Bush Intercontinental Airport operates around 64 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles International Airport and George Bush Intercontinental 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.