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George Bush Intcntl

$253+ Cheap flights from Kalispell (FCA) to George Bush Intcntl (IAH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAH
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
1 adult, Economy
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Cheap flight deals from Kalispell to George Bush Intcntl

Cheapest flights from Kalispell to George Bush Intcntl
Explore the most affordable flight options available from Kalispell to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.

This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:04 pm
FCA
-
IAH
1 stop5h 52m
United Airlines
Wed 9/237:20 am
IAH
-
FCA
1 stop7h 09m
United Airlines
Deal found 6/26$349
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:30 am
FCA
-
IAH
1 stop7h 05m
Delta
Wed 9/236:10 am
IAH
-
FCA
2 stops12h 08m
Delta
Deal found 6/26$354
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:40 pm
FCA
-
IAH
1 stop8h 17m
Delta
Wed 9/309:44 am
IAH
-
FCA
2 stops14h 10m
Delta
Deal found 6/27$389
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:29 pm
FCA
-
IAH
1 stop7h 31m
United Airlines
Tue 11/102:54 pm
IAH
-
FCA
1 stop7h 48m
United Airlines
Deal found 6/28$449
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:45 pm
FCA
-
IAH
2 stops15h 48m
Alaska Airlines
Mon 11/25:00 am
IAH
-
FCA
2 stops13h 54m
Alaska Airlines
Deal found 6/24$524
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:15 pm
FCA
-
IAH
1 stop8h 22m
Delta
Fri 7/105:40 pm
IAH
-
FCA
1 stop7h 03m
Delta
Deal found 6/27$574
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:57 pm
FCA
-
IAH
1 stop18h 02m
Multiple Airlines
Sat 7/116:30 am
IAH
-
FCA
2 stops27h 48m
Multiple Airlines
Deal found 6/29$580

Find flight deals from Kalispell to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$253
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$663

Good one-way deal

$478 or less
Provider with most accurate pricing for Kalispell Glacier Park-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Houston George Bush Intcntl flights.
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From Kalispell Glacier Park to Houston George Bush Intcntl
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One-way flight from Kalispell Glacier Park to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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Price to beat on a one-way flight from Kalispell Glacier Park to Houston George Bush Intcntl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
Use the filters below to find and compare flights from Kalispell to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/24

3:26 pm-11:58 pm

1 stop7h 32m

Houston George Bush Intcntl

Wed 9/30

9:02 am-2:33 pm

1 stop6h 31m

$349

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/17

5:30 am-3:10 pm

2 stops8h 40m

Houston George Bush Intcntl

Wed 9/23

6:10 am-5:18 pm

2 stops12h 08m

$359

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 11/5

5:30 am-1:29 pm

1 stop6h 59m

Houston George Bush Intcntl

Sun 11/8

5:40 am-2:41 pm

2 stops10h 01m

$389

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/24

12:40 pm-9:57 pm

1 stop8h 17m

Houston George Bush Intcntl

Wed 9/30

9:44 am-10:54 pm

2 stops14h 10m

$389

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 11/7

2:29 pm-11:00 pm

1 stop7h 31m

Houston George Bush Intcntl

Tue 11/10

2:54 pm-9:42 pm

1 stop7h 48m

$449

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 10/29

7:45 pm-12:33 pm

2 stops15h 48m

Houston George Bush Intcntl

Mon 11/2

5:00 am-5:54 pm

2 stops13h 54m

$524
Cheapest one-way

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 9/12

6:35 am-2:07 pm

1 stop6h 32m

$314

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 7/4

11:28 am-8:32 am

2 stops20h 04m

$396

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 7/11

11:00 am-10:34 am

3 stops22h 34m

$429
Quickest one-way

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 7/4

2:00 pm-6:52 pm

Nonstop3h 52m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Kalispell to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to George Bush Intcntl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kalispell to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Kalispell with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to Houston George Bush Intcntl Airport

What is the cheapest time of day to fly from FCA to IAH?

Find hourly flight availability from Kalispell to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 29, 2026.

When flying from Kalispell to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated June 29, 2026.
Read reviews from past customers who have flown United Airlines from Kalispell to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,894 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,894 reviews
United Airlines
7.4
Good
9,894 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from Kalispell to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kalispell to Houston George Bush Intcntl?

    Kalispell Glacier Park (FCA), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Kalispell to Houston George Bush Intcntl. 1 airline have flights from Glacier Park to Houston George Bush Intcntl on a regular basis. Booking flights from Kalispell Glacier Park to Houston George Bush Intcntl should not be difficult; the airport handles an average of 0 outbound flights to Houston George Bush Intcntl per day.

  • How long is the flight from Kalispell to Houston George Bush Intcntl Airport?

    For as low as $349, American Airlines can have you in Houston George Bush Intcntl Airport from Kalispell in 7h 32m. The distance between Kalispell and Houston George Bush Intcntl Airport is about 1611 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Kalispell to Houston George Bush Intcntl Airport round-trip?

    Our cheapest airline available from Kalispell to Houston George Bush Intcntl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $317 on this airline. This flight start at 47% lower than the current average price 3 months from now.

  • What are the cheapest flights from Kalispell to Houston George Bush Intcntl Airport?

    Looking for the cheapest flight from Kalispell to Houston George Bush Intcntl Airport? While on average our users pay $478, our data indicates the cheapest price to be $478. The most popular route (Kalispell Glacier Park - Houston George Bush Intcntl), is priced around $349.

  • Can I find deals for flights from Kalispell to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Kalispell to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to George Bush Intcntl.

  • Can I find deals for business class flights from Kalispell to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Kalispell to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Katy
Spring
The Woodlands
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery

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Top airline flying from Kalispell to George Bush Intcntl

Discover the top airline that operate flights from Kalispell to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$317Average$585FlexibilityNo cancel feeOn-time69%

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