$128 Cheap Flights from Kalispell (FCA) to Houston (IAH)

View $128 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Kalispell to Houston (FCA-IAH)

Prices were available within the past 7 days and start at $128 for one-way flights and $252 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 13 - Tue, Nov 18
FCA
Kalispell
IAH
Houston
$252 Roundtrip, found 3 hours ago
$252
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 13 from Kalispell to Houston, returning Tue, Nov 18, priced at $252 found 3 hours ago
Alaska Airlines
Thu, Nov 13 - Tue, Nov 18
FCA
Kalispell
IAH
Houston
$254 Roundtrip, found 3 hours ago
$254
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Nov 13 from Kalispell to Houston, returning Tue, Nov 18, priced at $254 found 3 hours ago
Bargain Flight
Fri, Oct 24 - Sat, Oct 25
FCA
Kalispell
IAH
Houston
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Fri, Oct 24 from Kalispell to Houston, returning Sat, Oct 25, priced at $254 found 2 days ago
Alaska Airlines
Fri, Oct 3 - Sun, Oct 5
FCA
Kalispell
IAH
Houston
$256 Roundtrip, found 9 hours ago
$256
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Fri, Oct 3 from Kalispell to Houston, returning Sun, Oct 5, priced at $256 found 9 hours ago
Delta
Thu, Nov 13 - Tue, Nov 18
FCA
Kalispell
IAH
Houston
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Nov 13 from Kalispell to Houston, returning Tue, Nov 18, priced at $257 found 3 hours ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
FCA
Kalispell
IAH
Houston
$257 Roundtrip, found 23 hours ago
$257
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Kalispell to Houston, returning Tue, Sep 30, priced at $257 found 23 hours ago
American Airlines
Fri, Sep 26 - Mon, Sep 29
FCA
Kalispell
IAH
Houston
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Sep 26 from Kalispell to Houston, returning Mon, Sep 29, priced at $259 found 3 days ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
FCA
Kalispell
IAH
Houston
$261 Roundtrip, found 23 hours ago
$261
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Kalispell to Houston, returning Tue, Sep 30, priced at $261 found 23 hours ago
Delta
Thu, Sep 25 - Sat, Oct 4
FCA
Kalispell
IAH
Houston
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 25 from Kalispell to Houston, returning Sat, Oct 4, priced at $262 found 1 day ago
Alaska Airlines
Wed, Sep 10 - Tue, Sep 16
FCA
Kalispell
IAH
Houston
$272 Roundtrip, found 2 hours ago
$272
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Kalispell to Houston, returning Tue, Sep 16, priced at $272 found 2 hours ago

Find the cheapest month to fly from Kalispell (FCA) to Houston (IAH)

January is typically the cheapest month to fly

From $220 - $717 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $282
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $282
Flights from Kalispell (FCA) to Houston (IAH)
Origin airport
Glacier Park Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$252
Distance
1612 mi
Average flight time
3 hours 55 mins

Kalispell to Houston Flights

The cheapest times to fly from Kalispell to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Houston are during the month of November. You can find some of the cheapest flights from Kalispell to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Houston

Sunday is one of the best days to book for cheap flights from Kalispell to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kalispell to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $128 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH) cost?
Cheap return fares from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH) start from $843. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving FCA on July 26 2025 and touching down at IAH. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from FCA to IAH?
The cheapest flights from FCA to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FCA to IAH?
Right now, the cheapest carrier offering one-way flights from FCA to IAH is United. You can take off on this route from $305. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from FCA on August 16 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)?
There aren't any daily direct flights from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from FCA to IAH?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)?
To touch down at George Bush Intercontinental Airport (IAH) without delays, pick a flight that takes off from Glacier Park Intl. Airport (FCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your plane ticket from FCA to IAH just before your getaway is typically more expensive. But if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a FCA to IAH flight and hotel package?
Securing a FCA to IAH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)?
Typically, you can reschedule or cancel your FCA to IAH flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.