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George Bush Intcntl

$128+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAH
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$253
(Kiwi.com)

One-way from

$128
(Alaska Airlines)

Popular in

August

Cheapest in

June

Average price

$831
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
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Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/115:33 pmFCA - IAH
1 stop11h 17mMultiple Airlines
Wed 9/179:26 pmIAH - FCA
1 stop20h 17mMultiple Airlines
Deal found 8/12$253
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/115:33 pmFCA - IAH
1 stop11h 17mMultiple Airlines
Sat 9/209:26 pmIAH - FCA
1 stop20h 17mMultiple Airlines
Deal found 8/12$261
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/115:33 pmFCA - IAH
1 stop11h 17mMultiple Airlines
Sun 9/219:29 amIAH - FCA
1 stop8h 14mMultiple Airlines
Deal found 8/12$273
This Delta deal was found by Cheapflights users on 8/12. 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.
Wed 9/105:20 amFCA - IAH
1 stop5h 36mDelta
Mon 9/155:45 pmIAH - FCA
1 stop6h 59mDelta
Deal found 8/12$289
This Delta deal was found by Cheapflights users on 8/12. 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 9/115:20 amFCA - IAH
1 stop5h 31mDelta
Tue 9/164:34 pmIAH - FCA
2 stops8h 48mDelta
Deal found 8/12$294
This Delta deal was found by Cheapflights users on 8/12. 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.
Sat 9/135:20 amFCA - IAH
1 stop5h 31mDelta
Mon 9/157:15 pmIAH - FCA
1 stop6h 07mDelta
Deal found 8/12$324

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 August 14, 2025.
Use the filters below to find and compare flights from Kalispell to Houston George Bush Intcntl Airport that are best for you.

Fly from

Kalispell

Fly to

George Bush Intcntl

Route

Depart

Return

Price

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/11

5:33 pm-5:50 am

1 stop11h 17m

Houston George Bush Intcntl

Wed 9/17

9:26 pm-4:43 pm

1 stop20h 17m

$253

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/11

5:33 pm-5:50 am

1 stop11h 17m

Houston George Bush Intcntl

Sat 9/20

9:26 pm-4:43 pm

1 stop20h 17m

$253

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/11

5:33 pm-5:50 am

1 stop11h 17m

Houston George Bush Intcntl

Sun 9/21

9:29 am-4:43 pm

1 stop8h 14m

$273

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 9/10

5:20 am-11:56 am

1 stop5h 36m

Houston George Bush Intcntl

Tue 9/16

7:15 pm-12:22 am

1 stop6h 07m

$289

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 9/10

5:20 am-11:56 am

1 stop5h 36m

Houston George Bush Intcntl

Wed 9/17

5:45 pm-11:44 pm

1 stop6h 59m

$289

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/11

5:20 am-11:51 am

1 stop5h 31m

Houston George Bush Intcntl

Tue 9/16

5:45 pm-11:44 pm

1 stop6h 59m

$289

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/11

5:20 am-11:51 am

1 stop5h 31m

Houston George Bush Intcntl

Mon 9/15

7:15 pm-12:22 am

1 stop6h 07m

$289

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 9/10

5:20 am-11:56 am

1 stop5h 36m

Houston George Bush Intcntl

Mon 9/15

5:45 pm-11:44 pm

1 stop6h 59m

$289

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 9/10

8:02 pm-6:24 am

1 stop9h 22m

$128

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 9/11

5:20 am-11:51 am

1 stop5h 31m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 16 results
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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 month to book a flight from Kalispell to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Kalispell to Houston George Bush Intcntl Airport (average of $241). Flying from Kalispell to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 August 14, 2025.

One of the essential ways to save on airfare from Kalispell to Houston George Bush Intcntl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 40% on airfare.

How much does it cost to fly round-trip from Kalispell to Houston George Bush Intcntl Airport?

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 August 14, 2025.
Read reviews from past customers who have flown Delta and 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.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 2 airlines 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.

  • What are the cheapest airlines flying from Kalispell to Houston George Bush Intcntl Airport round-trip?

    Our cheapest airline available from Kalispell to Houston George Bush Intcntl Airport is Delta. Our recent data shows that you can find tickets from as low as $256 on this airline. An additional option worth looking into is United Airlines, starting at $276. These flights start at 51% lower than the current average price 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Kalispell to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Kalispell to Houston George Bush Intcntl Airport (average of $241). Flying from Kalispell to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Montgomery
Spring
Humble
The Woodlands
Conroe
Tomball
Katy
Jersey Village
Cypress

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Top 2 airlines flying from Kalispell to George Bush Intcntl

Discover the top 2 airlines 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$499FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$537FlexibilityNo cancel feeOn-time69%

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