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George Bush Intcntl

$174+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAH
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Kalispell to George Bush Intcntl

Best flights from Kalispell to George Bush Intcntl
Discover carefully curated flight deals from Kalispell to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. 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 1/172:42 pmFCA - IAH
1 stop7h 06mUnited Airlines
Wed 1/212:38 pmIAH - FCA
1 stop8h 21mUnited Airlines
Deal found 12/25$317
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/107:46 pmFCA - IAH
1 stop21h 31mAlaska Airlines
Mon 1/125:55 pmIAH - FCA
1 stop20h 19mAlaska Airlines
Deal found 12/26$346
This Delta deal was found by Cheapflights users on 12/27. 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.
Fri 2/205:00 amFCA - IAH
1 stop5h 58mDelta
Fri 2/276:38 amIAH - FCA
1 stop8h 46mDelta
Deal found 12/27$357
This Alaska Airlines deal was found by Cheapflights users on 12/25. 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.
Sat 1/1712:54 pmFCA - IAH
1 stop27h 01mAlaska Airlines
Tue 1/205:55 pmIAH - FCA
1 stop20h 19mAlaska Airlines
Deal found 12/25$352
This Alaska Airlines deal was found by Cheapflights users on 12/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1712:54 pmFCA - IAH
1 stop27h 01mAlaska Airlines
Wed 1/215:55 pmIAH - FCA
1 stop20h 19mAlaska Airlines
Deal found 12/27$362

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(United Airlines)

One-way from

$174
(Delta)

Popular in

August

Cheapest in

January

Average price

$615
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. 12% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 28, 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

Sat 1/17

2:42 pm-10:48 pm

1 stop7h 06m

Houston George Bush Intcntl

Wed 1/21

2:38 pm-9:59 pm

1 stop8h 21m

$317

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 1/10

7:46 pm-6:17 pm

1 stop21h 31m

Houston George Bush Intcntl

Mon 1/12

5:55 pm-1:14 pm

1 stop20h 19m

$346

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 1/17

12:54 pm-4:55 pm

1 stop27h 01m

Houston George Bush Intcntl

Tue 1/20

5:55 pm-1:14 pm

1 stop20h 19m

$352

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Fri 2/20

5:00 am-11:58 am

1 stop5h 58m

Houston George Bush Intcntl

Fri 2/27

6:38 am-2:24 pm

1 stop8h 46m

$357

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 1/17

12:54 pm-4:55 pm

1 stop27h 01m

Houston George Bush Intcntl

Wed 1/21

5:55 pm-1:14 pm

1 stop20h 19m

$362

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Tue 1/13

3:23 pm-11:15 pm

1 stop6h 52m

$174

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Tue 1/6

3:23 pm-11:15 pm

1 stop6h 52m

$390

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Mon 1/5

3:23 pm-11:15 pm

1 stop6h 52m

$480

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Tue 1/6

6:05 am-9:03 am

3 stops25h 58m

$705

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Mon 1/5

8:10 pm-7:25 am

3 stops58h 15m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kalispell-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 month to book a flight from Kalispell to Houston George Bush Intcntl Airport?

Currently, May is the cheapest month in which you can book a flight from Kalispell to Houston George Bush Intcntl Airport (average of $160). Flying from Kalispell to Houston George Bush Intcntl Airport in August is currently the most expensive (average of $772). 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 December 28, 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 38% on airfare.

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 December 28, 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
7.9
Good
8,019 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,113 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

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

    For as low as $317, United Airlines can have you in Houston George Bush Intcntl Airport from Kalispell in 7h 06m. The distance between Kalispell and Houston George Bush Intcntl Airport is about 1611 mi. This flight may include one or multiple stops.

  • 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 $163 on this airline. An additional option worth looking into is United Airlines, starting at $276. These flights start at 65% 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, May is the cheapest month in which you can book a flight from Kalispell to Houston George Bush Intcntl Airport (average of $160). Flying from Kalispell to Houston George Bush Intcntl Airport in August is currently the most expensive (average of $772). 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
Spring
Montgomery
Katy
The Woodlands
Tomball
Jersey Village
Humble
Conroe
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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$478FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$550FlexibilityNo cancel feeOn-time69%

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