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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 €44 and round-trip from €95. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 08:30
        3h 21m
        Nonstop
        IAH 10:51
        Washington D.C. - Houston | Tue, Oct 27 | United Airlines
        IAH 14:51
        3h 11m
        Nonstop
        IAD 19:02
        Houston - Washington D.C. | Tue, Oct 27 | United Airlines
        €276 €395
        30% off
        30% off
        €395 €276
      • IAD 22:18
        3h 12m
        Nonstop
        IAH 00:30
        Washington D.C. - Houston | Wed, Oct 14 | United Airlines
        HOU 07:20
        2h 55m
        Nonstop
        DCA 11:15
        Houston - Washington D.C. | Tue, Oct 20 |
        €288 €395
        27% off
        27% off
        €395 €288
      • IAD 08:05
        15h 26m
        1 stop
        IAH 22:31
        Washington D.C. - Houston | Mon, Nov 9 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Mon, Nov 16 | Frontier Airlines
        €95 €395
        76% off
        76% off
        €395 €95
      • IAD 08:05
        15h 26m
        1 stop
        IAH 22:31
        Washington D.C. - Houston | Mon, Nov 16 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Mon, Nov 23 | Frontier Airlines
        €97
        75% off
        €395 €97
      • IAD 21:06
        11h 13m
        1 stop
        IAH 07:19
        Washington D.C. - Houston | Mon, Oct 26 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Tue, Nov 3 | Frontier Airlines
        €101
        74% off
        €395 €101
      • IAD 08:05
        15h 26m
        1 stop
        IAH 22:31
        Washington D.C. - Houston | Mon, Nov 2 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Tue, Nov 3 | Frontier Airlines
        €102
        74% off
        €395 €102
      • IAD 08:05
        15h 26m
        1 stop
        IAH 22:31
        Washington D.C. - Houston | Tue, Nov 10 | Frontier Airlines
        IAH 21:14
        18h 58m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Thu, Nov 12 | Frontier Airlines
        €104
        74% off
        €395 €104
      • IAD 08:05
        7h 45m
        1 stop
        IAH 14:50
        Washington D.C. - Houston | Tue, Nov 17 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Mon, Nov 23 | Frontier Airlines
        €108
        73% off
        €395 €108
      • IAD 21:06
        11h 13m
        1 stop
        IAH 07:19
        Washington D.C. - Houston | Tue, Oct 27 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Mon, Nov 2 | Frontier Airlines
        €110
        72% off
        €395 €110
      • IAD 21:06
        11h 13m
        1 stop
        IAH 07:19
        Washington D.C. - Houston | Sun, Oct 25 | Frontier Airlines
        IAH 06:05
        10h 8m
        1 stop
        IAD 17:13
        Houston - Washington D.C. | Tue, Oct 27 | Frontier Airlines
        €112
        72% off
        €395 €112
      • IAD 08:05
        7h 45m
        1 stop
        IAH 14:50
        Washington D.C. - Houston | Tue, Nov 3 | Frontier Airlines
        IAH 12:19
        10h 24m
        1 stop
        IAD 23:43
        Houston - Washington D.C. | Tue, Nov 10 | Frontier Airlines
        €115
        71% off
        €395 €115
      • IAD 21:06
        11h 13m
        1 stop
        IAH 07:19
        Washington D.C. - Houston | Fri, Oct 30 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Fri, Nov 6 | Frontier Airlines
        €116
        71% off
        €395 €116
      • IAD 21:06
        11h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Fri, Nov 13 | Frontier Airlines
        IAH 06:05
        10h 7m
        1 stop
        IAD 17:12
        Houston - Washington D.C. | Fri, Nov 20 | Frontier Airlines
        €117
        70% off
        €395 €117
      • IAD 21:06
        11h 13m
        1 stop
        IAH 07:19
        Washington D.C. - Houston | Thu, Oct 29 | Frontier Airlines
        IAH 13:41
        9h 2m
        1 stop
        IAD 23:43
        Houston - Washington D.C. | Fri, Nov 6 | Frontier Airlines
        €121
        69% off
        €395 €121
      • WAS 13:00
        17h 25m
        1 stop
        HOU 14:00
        Washington D.C. - Houston | Thu, Oct 8 | Normal Airline
        HOU 15:00
        6h
        Nonstop
        WAS 16:00
        Houston - Washington D.C. | Sat, Oct 10 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        IAD 22:18
        3h 12m
        Nonstop
        IAH 00:30
        Washington D.C. - Houston | Sun, Oct 11 | United Airlines
        €132 €185
        28% off
        28% off
        €185 €132
      • IAD 22:18
        3h 12m
        Nonstop
        IAH 00:30
        Washington D.C. - Houston | Tue, Oct 13 | United Airlines
        €135 €185
        27% off
        27% off
        €185 €135
      • IAD 08:05
        15h 26m
        1 stop
        IAH 22:31
        Washington D.C. - Houston | Tue, Nov 17 | Frontier Airlines
        €44 €185
        76% off
        76% off
        €185 €44
      • IAD 08:05
        7h 45m
        1 stop
        IAH 14:50
        Washington D.C. - Houston | Tue, Nov 3 | Frontier Airlines
        €44
        76% off
        €185 €44
      • IAD 21:06
        12h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Fri, Nov 6 | Frontier Airlines
        €51
        72% off
        €185 €51
      • IAD 21:06
        11h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Fri, Nov 13 | Frontier Airlines
        €52
        72% off
        €185 €52
      • IAD 18:08
        21h 40m
        1 stop
        IAH 14:48
        Washington D.C. - Houston | Mon, Oct 19 | Frontier Airlines
        €54
        71% off
        €185 €54
      • IAD 08:05
        15h 26m
        1 stop
        IAH 22:31
        Washington D.C. - Houston | Tue, Nov 10 | Frontier Airlines
        €58
        69% off
        €185 €58
      • IAD 21:06
        11h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Sun, Nov 22 | Frontier Airlines
        €58
        69% off
        €185 €58
      • IAD 08:05
        28h 29m
        1 stop
        IAH 11:34
        Washington D.C. - Houston | Mon, Nov 9 | Frontier Airlines
        €58
        69% off
        €185 €58
      • IAD 07:50
        24h 29m
        1 stop
        IAH 07:19
        Washington D.C. - Houston | Sun, Oct 25 | Frontier Airlines
        €59
        68% off
        €185 €59
      • IAD 21:06
        11h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Thu, Nov 5 | Frontier Airlines
        €59
        68% off
        €185 €59
      • IAD 21:06
        11h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Sun, Nov 8 | Frontier Airlines
        €59
        68% off
        €185 €59
      • IAD 21:06
        11h 17m
        1 stop
        IAH 07:23
        Washington D.C. - Houston | Sun, Nov 1 | Frontier Airlines
        €59
        68% off
        €185 €59
      • WAS 13:00
        17h 25m
        1 stop
        HOU 14:00
        Washington D.C. - Houston | Thu, Oct 8 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from Dulles International Airport to George Bush Intercontinental Airport 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 €44) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €44
Delta Air Lines
From €99
United Airlines
From €132
American Airlines
From €136

Find more flights and airlines

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

Check on the flight schedule from Washington D.C. to Houston to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94409

    Dulles International Airport

    21:04

    IAD

    2h 1m

    Nonstop

    23:05

    ATL

    S M T W T F S
    Search

  2. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 17m

    Nonstop

    07:17

    IAH

    S M T W T F S

  3. F94707

    Dulles International Airport

    07:50

    IAD

    2h 3m

    Nonstop

    09:53

    ATL

    S M T W T F S
    Search

  4. F94075

    Hartsfield–Jackson Atlanta International Airport

    21:08

    ATL

    2h 22m

    Nonstop

    22:30

    IAH

    S M T W T F S

  5. F94707

    Dulles International Airport

    07:50

    IAD

    2h 3m

    Nonstop

    09:53

    ATL

    S M T W T F S
    Search

  6. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 17m

    Nonstop

    07:17

    IAH

    S M T W T F S

  7. F92959

    Dulles International Airport

    18:13

    IAD

    2h 46m

    Nonstop

    20:59

    FLL

    S M T W T F S
    Search

  8. F91495

    Fort Lauderdale-Hollywood International Airport

    13:24

    FLL

    2h 53m

    Nonstop

    15:17

    IAH

    S M T W T F S

  9. F94409

    Dulles International Airport

    21:04

    IAD

    2h 1m

    Nonstop

    23:05

    ATL

    S M T W T F S
    Search

  10. F94075

    Hartsfield–Jackson Atlanta International Airport

    21:08

    ATL

    2h 22m

    Nonstop

    22:30

    IAH

    S M T W T F S

  11. F94707

    Dulles International Airport

    07:50

    IAD

    2h 3m

    Nonstop

    09:53

    ATL

    S M T W T F S
    Search

  12. F92399

    Hartsfield–Jackson Atlanta International Airport

    09:55

    ATL

    2h 28m

    Nonstop

    11:23

    IAH

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

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 1,916.53 km
Cheapest one-way ticket price €44
Cheapest return ticket price €95

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 22:29, with about 11 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 €302 in October, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport at 06:00 and arrives in George Bush Intercontinental Airport at 08:29.
  • The latest flight departs from Dulles International Airport at 17:55 and arrives in George Bush Intercontinental Airport at 20:14.
  • 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 €44, and round-trip fares start from €95. 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 47 minutes, and around 64 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 €183. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to George Bush Intercontinental Airport operates around 65 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.

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.