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George Bush Intcntl

$129+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — IAH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$298
(Delta)

One-way from

$129
(Delta)

Popular in

January

Cheapest in

June

Average price

$402
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. 13% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 8/55:30 amFCA - IAH
1 stop5h 14mDelta
Mon 8/117:15 pmIAH - FCA
1 stop6h 10mDelta
Deal found 6/10$298
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/191:10 pmFCA - IAH
1 stop9h 21mAmerican Airlines
Wed 6/256:00 amIAH - FCA
1 stop7h 30mAmerican Airlines
Deal found 6/10$443
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/58:00 pmFCA - IAH
2 stops19h 50mAlaska Airlines
Mon 8/115:50 pmIAH - FCA
2 stops19h 21mAlaska Airlines
Deal found 6/10$529
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:41 amFCA - IAH
3 stops20h 11mMultiple Airlines
Wed 7/236:45 amIAH - FCA
2 stops28h 05mMultiple Airlines
Deal found 6/10$581

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 12, 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

Tue 8/5

5:30 am-11:44 am

1 stop5h 14m

Houston George Bush Intcntl

Mon 8/11

7:15 pm-12:25 am

1 stop6h 10m

$298

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Tue 8/5

8:00 pm-4:50 pm

2 stops19h 50m

Houston George Bush Intcntl

Mon 8/11

5:50 pm-12:11 pm

2 stops19h 21m

$529

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Mon 7/21

11:41 am-8:52 am

3 stops20h 11m

Houston George Bush Intcntl

Wed 7/23

6:45 am-9:50 am

2 stops28h 05m

$581

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 7/30

5:30 am-11:44 am

1 stop5h 14m

$129

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Sun 10/26

6:33 am-6:14 pm

1 stop10h 41m

$185

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 7/30

10:25 am-10:37 pm

2 stops35h 12m

$198

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Wed 7/30

6:20 am-8:45 pm

2 stops13h 25m

$310

KalispellHouston

FCA - IAH

FCAIAH

Kalispell Glacier Park

Mon 7/21

4:53 pm-9:32 am

1 stop15h 39m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 50% on airfare.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $298 on this airline. An additional option worth looking into is Alaska Airlines, starting at $529. These flights start at 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Kalispell to Houston George Bush Intcntl Airport one-way?

    One-way options have recently been found by users for as low as $129 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $185 and United Airlines from $310 one-way.

  • 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 Kalispell?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$499FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$556FlexibilityNo cancel feeOn-time69%

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