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George Bush Intcntl

$142+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAH
Apr 29 — May 61
Wed 4/29
Wed 5/6
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 March 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:33 pm
FCA
-
IAH
1 stop26h 10m
Multiple Airlines
Thu 4/302:51 pm
IAH
-
FCA
1 stop22h 52m
Multiple Airlines
Deal found 3/25$320
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:33 pm
FCA
-
IAH
2 stops43h 05m
Multiple Airlines
Thu 4/162:51 pm
IAH
-
FCA
1 stop22h 52m
Multiple Airlines
Deal found 3/25$322
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/182:33 pm
FCA
-
IAH
1 stop8h 26m
United Airlines
Wed 4/227:00 am
IAH
-
FCA
1 stop7h 31m
United Airlines
Deal found 3/28$349
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:05 am
FCA
-
IAH
2 stops11h 37m
Delta
Tue 4/286:32 pm
IAH
-
FCA
1 stop5h 55m
Delta
Deal found 3/29$354
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/1812:52 pm
FCA
-
IAH
1 stop23h 35m
Alaska Airlines
Mon 4/276:18 pm
IAH
-
FCA
1 stop19h 45m
Alaska Airlines
Deal found 3/27$384
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:05 am
FCA
-
IAH
1 stop5h 42m
Delta
Wed 5/136:15 am
IAH
-
FCA
2 stops12h 12m
Delta
Deal found 3/25$389
This United Airlines deal was found by Cheapflights users on 3/28. 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 6/205:28 pm
FCA
-
IAH
1 stop6h 13m
United Airlines
Sun 7/265:15 am
IAH
-
FCA
1 stop5h 46m
United Airlines
Deal found 3/28$391
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 5/62:33 pm
FCA
-
IAH
1 stop7h 41m
United Airlines
Tue 5/126:55 am
IAH
-
FCA
1 stop7h 36m
United Airlines
Deal found 3/25$403
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Sun 4/128:26 pm
FCA
-
IAH
1 stop7h 55m
Alaska Airlines
Fri 4/172:27 pm
IAH
-
FCA
1 stop23h 45m
Alaska Airlines
Deal found 3/25$419

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(Kiwi.com)

One-way from

$142
(Kiwi.com)

Popular in

August

Cheapest in

April

Average price

$585
Provider with most accurate pricing for Kalispell Glacier Park-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Houston George Bush Intcntl flights.
Search Deals
From Kalispell Glacier Park to Houston George Bush Intcntl
Search Deals
One-way flight from Kalispell Glacier Park to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 30, 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

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Thu 4/23

12:33 pm-3:43 pm

1 stop26h 10m

Houston George Bush Intcntl

Thu 4/30

2:51 pm-12:43 pm

1 stop22h 52m

$320

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 4/18

2:33 pm-11:59 pm

1 stop8h 26m

Houston George Bush Intcntl

Wed 4/22

7:00 am-1:31 pm

1 stop7h 31m

$349

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 4/22

2:49 pm-11:41 pm

1 stop7h 52m

Houston George Bush Intcntl

Tue 4/28

6:32 pm-11:27 pm

1 stop5h 55m

$349
Quickest round-trip

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 6/20

5:28 pm-12:41 am

1 stop6h 13m

Houston George Bush Intcntl

Sat 7/4

5:15 am-10:01 am

1 stop5h 46m

$349

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 4/22

2:49 pm-11:41 pm

1 stop7h 52m

Houston George Bush Intcntl

Wed 4/29

6:25 am-1:54 pm

1 stop8h 29m

$349

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 5/6

5:05 am-11:47 am

1 stop5h 42m

Houston George Bush Intcntl

Tue 5/12

6:15 am-5:27 pm

2 stops12h 12m

$354

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sat 4/18

12:52 pm-1:27 pm

1 stop23h 35m

Houston George Bush Intcntl

Mon 4/27

6:18 pm-1:03 pm

1 stop19h 45m

$384

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 5/6

2:33 pm-11:14 pm

1 stop7h 41m

Houston George Bush Intcntl

Tue 5/12

6:55 am-1:31 pm

1 stop7h 36m

$403

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Mon 4/20

2:49 pm-11:14 am

2 stops19h 25m

Houston George Bush Intcntl

Wed 4/29

6:32 pm-11:27 pm

1 stop5h 55m

$427

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 4/22

2:49 pm-11:41 pm

1 stop7h 52m

Houston George Bush Intcntl

Mon 4/27

6:32 pm-11:27 pm

1 stop5h 55m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 18 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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 month to book a flight from Kalispell to Houston George Bush Intcntl Airport?

Currently, December is the cheapest month in which you can book a flight from Kalispell to Houston George Bush Intcntl Airport (average of $169). 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.

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 March 30, 2026.
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
8,359 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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
8,359 reviews
Delta
7.9
Good
8,359 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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
9,514 reviews
Delta
7.9
Good
8,359 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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 $349, United Airlines can have you in Houston George Bush Intcntl Airport from Kalispell in 7h 52m. 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 $256 on this airline. An additional option worth looking into is United Airlines, starting at $313. These flights start at 48% 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, December is the cheapest month in which you can book a flight from Kalispell to Houston George Bush Intcntl Airport (average of $169). 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
Katy
The Woodlands
Spring
Montgomery
Tomball
Jersey Village
Humble
Cypress
Conroe

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Alternative routes for Kalispell to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$402FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$567FlexibilityNo cancel feeOn-time69%

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