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Great Falls International Airport to George Bush Intercontinental Airport flight

Explore the cheapest one-way and round-trip flights from Great Falls International Airport to George Bush Intercontinental Airport over the next 90 days, with one-way fares from $371 and round-trip from $452. Based on Trip.com's latest 7-day flight data.

    • GTF 1:18 PM
      7h 40m
      1 stop
      IAH 9:58 PM
      Great Falls - Houston | Thu, Oct 29 | Delta Air Lines
      IAH 7:10 AM
      6h 28m
      1 stop
      GTF 12:38 PM
      Houston - Great Falls | Mon, Nov 2 | Delta Air Lines
      $452 $809
      44% off
      44% off
      $809 $452
    • GTF 1:18 PM
      7h 40m
      1 stop
      IAH 9:58 PM
      Great Falls - Houston | Sun, Oct 25 | Delta Air Lines
      IAH 7:10 AM
      6h 28m
      1 stop
      GTF 12:38 PM
      Houston - Great Falls | Thu, Oct 29 | Delta Air Lines
      $453 $809
      44% off
      44% off
      $809 $453
    • GTF 6:15 AM
      8h 3m
      1 stop
      IAH 3:18 PM
      Great Falls - Houston | Mon, Oct 26 | United Airlines
      IAH 4:26 PM
      6h 12m
      1 stop
      GTF 9:38 PM
      Houston - Great Falls | Sun, Nov 1 | United Airlines
      $458 $809
      43% off
      43% off
      $809 $458
    • GTF 5:40 AM
      6h 49m
      1 stop
      IAH 1:29 PM
      Great Falls - Houston | Thu, Nov 5 | Delta Air Lines
      IAH 7:10 AM
      6h 28m
      1 stop
      GTF 12:38 PM
      Houston - Great Falls | Mon, Nov 9 | Delta Air Lines
      $472
      42% off
      $809 $472
    • GTF 2:45 PM
      7h 8m
      1 stop
      IAH 10:53 PM
      Great Falls - Houston | Fri, Oct 30 | United Airlines
      IAH 7:20 AM
      7h 29m
      1 stop
      GTF 1:49 PM
      Houston - Great Falls | Fri, Nov 6 | United Airlines
      $483
      40% off
      $809 $483
    • GTF 2:37 PM
      8h 22m
      1 stop
      IAH 11:59 PM
      Great Falls - Houston | Sun, Oct 25 | United Airlines
      IAH 7:20 AM
      7h 21m
      1 stop
      GTF 1:41 PM
      Houston - Great Falls | Thu, Oct 29 | United Airlines
      $556
      31% off
      $809 $556
    • GTF 2:37 PM
      6h 8m
      1 stop
      IAH 9:45 PM
      Great Falls - Houston | Thu, Oct 29 | United Airlines
      IAH 4:26 PM
      6h 12m
      1 stop
      GTF 9:38 PM
      Houston - Great Falls | Mon, Nov 2 | United Airlines
      $556
      31% off
      $809 $556
    • GTF 2:45 PM
      5h 49m
      1 stop
      IAH 9:34 PM
      Great Falls - Houston | Wed, Nov 11 | United Airlines
      IAH 2:46 PM
      7h 52m
      1 stop
      GTF 9:38 PM
      Houston - Great Falls | Sun, Nov 15 | United Airlines
      $556
      31% off
      $809 $556
    • GTF 2:45 PM
      7h 9m
      1 stop
      IAH 10:54 PM
      Great Falls - Houston | Sun, Nov 1 | United Airlines
      IAH 7:20 AM
      7h 29m
      1 stop
      GTF 1:49 PM
      Houston - Great Falls | Thu, Nov 5 | United Airlines
      $557
      31% off
      $809 $557
    • GTF 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      Great Falls - Houston | Mon, Oct 26 | Normal Airline
      HOU 3:00 PM
      6h
      Nonstop
      GTF 4:00 PM
      Houston - Great Falls | Wed, Oct 28 | Normal Airline
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    • Cheapest
      GTF 6:27 PM
      22h 7m
      1 stop
      IAH 5:34 PM
      Great Falls - Houston | Tue, Oct 27 | Delta Air Lines
      $371 $729
      49% off
      49% off
      $729 $371
    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Thu, Nov 5 | United Airlines
      $375 $729
      49% off
      49% off
      $729 $375
    • GTF 2:45 PM
      5h 10m
      1 stop
      IAH 8:55 PM
      Great Falls - Houston | Fri, Nov 6 | United Airlines
      $375 $729
      49% off
      49% off
      $729 $375
    • GTF 6:30 AM
      6h 1m
      1 stop
      IAH 1:31 PM
      Great Falls - Houston | Sat, Nov 7 | United Airlines
      $375
      49% off
      $729 $375
    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Fri, Nov 20 | United Airlines
      $375
      49% off
      $729 $375
    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Wed, Nov 25 | United Airlines
      $426
      26% off
      $576 $426
    • GTF 6:30 AM
      5h 39m
      1 stop
      IAH 1:09 PM
      Great Falls - Houston | Wed, Dec 16 | United Airlines
      $429
      41% off
      $729 $429
    • GTF 1:18 PM
      7h 40m
      1 stop
      IAH 9:58 PM
      Great Falls - Houston | Thu, Nov 5 | Delta Air Lines
      $539
      26% off
      $729 $539
    • GTF 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      Great Falls - Houston | Mon, Oct 26 | Normal Airline
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    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Wed, Nov 25 | United Airlines
      $426 $576
      26% off
      26% off
      $576 $426
    • GTF 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      Great Falls - Houston | Mon, Oct 26 | Normal Airline
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    • GTF 2:45 PM
      5h 10m
      1 stop
      IAH 8:55 PM
      Great Falls - Houston | Fri, Nov 6 | United Airlines
      $375 $729
      49% off
      49% off
      $729 $375
    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Thu, Nov 5 | United Airlines
      $375 $729
      49% off
      49% off
      $729 $375
    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Fri, Nov 20 | United Airlines
      $375 $729
      49% off
      49% off
      $729 $375
    • GTF 2:45 PM
      5h 13m
      1 stop
      IAH 8:58 PM
      Great Falls - Houston | Wed, Nov 25 | United Airlines
      $426
      26% off
      $576 $426
    • GTF 6:30 AM
      5h 39m
      1 stop
      IAH 1:09 PM
      Great Falls - Houston | Wed, Dec 16 | United Airlines
      $429
      41% off
      $729 $429
    • GTF 6:30 AM
      6h 1m
      1 stop
      IAH 1:31 PM
      Great Falls - Houston | Sat, Nov 7 | United Airlines
      $375
      49% off
      $729 $375
    • GTF 1:18 PM
      7h 40m
      1 stop
      IAH 9:58 PM
      Great Falls - Houston | Thu, Nov 5 | Delta Air Lines
      $539
      26% off
      $729 $539
    • GTF 6:27 PM
      22h 7m
      1 stop
      IAH 5:34 PM
      Great Falls - Houston | Tue, Oct 27 | Delta Air Lines
      $371
      49% off
      $729 $371
    • GTF 1:00 PM
      17h 25m
      1 stop
      HOU 2:00 PM
      Great Falls - Houston | Mon, Oct 26 | Normal Airline
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Displayed flight fares from Great Falls 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 Great Falls International Airport to George Bush Intercontinental Airport?

The cheapest airline flying from Great Falls International Airport to George Bush Intercontinental Airport is Delta Air Lines (from $349) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From $349
United Airlines
From $356
Alaska Airlines
From $938

Find more flights and airlines

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

Check the schedule for flights from Great Falls to Houston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2130

    Great Falls International Airport

    2:45 PM

    GTF

    1h 54m

    Nonstop

    4:39 PM

    DEN

    S M T W T - S
    Search

  2. UA1587

    Denver International Airport

    5:28 PM

    DEN

    2h 32m

    Nonstop

    9:00 PM

    IAH

    S M T W T F S

  3. UA480

    Great Falls International Airport

    6:30 AM

    GTF

    11h 32m

    7:02 PM

    IAH

    S M T W T - S
    Search

  4. UA480

    Great Falls International Airport

    6:30 AM

    GTF

    11h 32m

    7:02 PM

    IAH

    S M T W T - S
    Search

  5. UA2130

    Great Falls International Airport

    2:45 PM

    GTF

    1h 54m

    Nonstop

    4:39 PM

    DEN

    S M T W T - S
    Search

  6. UA475

    Denver International Airport

    7:30 PM

    DEN

    2h 27m

    Nonstop

    10:57 PM

    IAH

    S M T W T F S

  7. UA480

    Great Falls International Airport

    6:30 AM

    GTF

    11h 32m

    7:02 PM

    IAH

    S M T W T - S
    Search

  8. DL3859

    Great Falls International Airport

    1:10 PM

    GTF

    1h 40m

    Nonstop

    2:50 PM

    SLC

    S M T W T F S
    Search

  9. DL2514

    Salt Lake City International Airport

    5:36 PM

    SLC

    3h

    Nonstop

    9:36 PM

    IAH

    S M T W T F S

  10. UA2130

    Great Falls International Airport

    2:45 PM

    GTF

    1h 54m

    Nonstop

    4:39 PM

    DEN

    S M T W T - S
    Search

  11. UA2419

    Denver International Airport

    8:30 PM

    DEN

    2h 27m

    Nonstop

    11:57 PM

    IAH

    S M T W T F S

  12. DL3859

    Great Falls International Airport

    1:10 PM

    GTF

    1h 40m

    Nonstop

    2:50 PM

    SLC

    S M T W T F S
    Search

  13. DL841

    Salt Lake City International Airport

    3:10 PM

    SLC

    1h 56m

    Nonstop

    4:06 PM

    LAX

    S M T W T F S

  14. DL1287

    Los Angeles Intl. Airport

    6:15 PM

    LAX

    3h 13m

    Nonstop

    11:28 PM

    IAH

    S M T W T - S

  15. DL3859

    Great Falls International Airport

    1:10 PM

    GTF

    1h 40m

    Nonstop

    2:50 PM

    SLC

    S M T W T F S
    Search

  16. DL875

    Salt Lake City International Airport

    3:50 PM

    SLC

    3h 46m

    Nonstop

    9:36 PM

    ATL

    S M T W T F S

  17. DL1601

    Hartsfield–Jackson Atlanta International Airport

    10:40 PM

    ATL

    2h 18m

    Nonstop

    11:58 PM

    IAH

    S M T W T F S

  18. DL3862

    Great Falls International Airport

    5:30 AM

    GTF

    1h 38m

    Nonstop

    7:08 AM

    SLC

    S M T W T F S
    Search

  19. DL2916

    Salt Lake City International Airport

    8:00 AM

    SLC

    2h 44m

    Nonstop

    11:44 AM

    MSP

    S M T W T F S

  20. DL2644

    Minneapolis-Saint Paul International Airport

    3:15 PM

    MSP

    3h 2m

    Nonstop

    6:17 PM

    IAH

    S M T W T - S
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About Great Falls International Airport and George Bush Intercontinental Airport

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

Flight distance 2,383.18 km
Cheapest one-way ticket price $371
Cheapest return ticket price $452

FAQs for Great Falls International Airport to George Bush Intercontinental Airport Flights

  • What are the cheapest flights from Great Falls International Airport to George Bush Intercontinental Airport?

    One-way flights from Great Falls International Airport to George Bush Intercontinental Airport currently start from $371, and round-trip fares start from $452. The current lowest fare is a Delta Air Lines flight departing on Tue, Oct 27; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Great Falls International Airport to George Bush Intercontinental Airport is $398. Prices may vary depending on the departure date, airline, and availability.
  • Enter Great Falls 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.