$154 Cheap Flights from Houston (IAH) to Kalispell (FCA)

View $154 flight on Tue, May 5, 2026Opens in a new window

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

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Cheap Flights from Houston to Kalispell (IAH-FCA)

Prices were available within the past 7 days and start at $154 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Sep 21 - Tue, Sep 22
IAH
Houston
FCA
Kalispell
$339 Roundtrip, found 5 days ago
$339
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Sep 21 from Houston to Kalispell, returning Tue, Sep 22, priced at $339 found 5 days ago
Alaska Airlines
Mon, May 4 - Sun, May 10
IAH
Houston
FCA
Kalispell
$349 Roundtrip, found 13 hours ago
$349
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Mon, May 4 from Houston to Kalispell, returning Sun, May 10, priced at $349 found 13 hours ago
American Airlines
Thu, May 21 - Mon, May 25
IAH
Houston
FCA
Kalispell
$349 Roundtrip, found 2 hours ago
$349
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, May 21 from Houston to Kalispell, returning Mon, May 25, priced at $349 found 2 hours ago
Delta
Fri, Sep 18 - Fri, Sep 25
IAH
Houston
FCA
Kalispell
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Sep 18 from Houston to Kalispell, returning Fri, Sep 25, priced at $349 found 1 hour ago
United
Wed, Oct 7 - Wed, Oct 14
IAH
Houston
FCA
Kalispell
$349 Roundtrip, found 3 hours ago
$349
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 7 from Houston to Kalispell, returning Wed, Oct 14, priced at $349 found 3 hours ago
Delta
Fri, May 1 - Sat, May 9
IAH
Houston
FCA
Kalispell
$354 Roundtrip, found 8 hours ago
$354
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, May 1 from Houston to Kalispell, returning Sat, May 9, priced at $354 found 8 hours ago
Delta
Fri, Apr 17 - Sun, Apr 19
IAH
Houston
FCA
Kalispell
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Apr 17 from Houston to Kalispell, returning Sun, Apr 19, priced at $359 found 2 days ago
American Airlines
Thu, May 28 - Mon, Jun 1
IAH
Houston
FCA
Kalispell
$369 Roundtrip, found 6 hours ago
$369
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, May 28 from Houston to Kalispell, returning Mon, Jun 1, priced at $369 found 6 hours ago
Delta
Thu, Apr 9 - Mon, Apr 13
IAH
Houston
FCA
Kalispell
$379 Roundtrip, found 5 days ago
$379
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Apr 9 from Houston to Kalispell, returning Mon, Apr 13, priced at $379 found 5 days ago
Hawaiian Airlines
Tue, Apr 7 - Tue, Apr 14
IAH
Houston
FCA
Kalispell
$398 Roundtrip, found 5 days ago
$398
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Apr 7 from Houston to Kalispell, returning Tue, Apr 14, priced at $398 found 5 days ago

Alternative airports near Kalispell

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

Select flight to Glacier Park Intl. FCA. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $464
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $464

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

January is typically the cheapest month to fly

From $216 - $666 per traveler.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) cost?
You can find cheap one-way flights from $154 and cheap return flights from $339 Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) with Expedia. One-way flights generally range between $186 and $1074, and roundtrip flights usually range from $415 to $2765. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
The cheapest month to fly from IAH to FCA is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
United offers around 7 weekly direct flights from IAH to FCA.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
The best airline to fly with from Houston, TX (IAH) to Kalispell, MT (FCA) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from IAH to FCA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
There are approximately 1 nonstop flights per day from George Bush Intercontinental (IAH) to Glacier Park Intl. (FCA). For more options, look at flights that include layovers.
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
The earliest flight from George Bush Intercontinental (IAH) to Glacier Park Intl. (FCA) usually leaves at around 5:00 AM, operated by American Airlines. This flight is part of a seasonal service available in July, giving you an early start to your adventure in Kalispell. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
The most popular departure times for flights from Houston (IAH) to Kalispell (FCA) are from 6am to 9am. About 38% of passengers prefer this time window. Many major carriers, including United, Delta, and Alaska Airlines, offer flights during this window. This timing is favored because it allows travelers to arrive in Kalispell with plenty of time to enjoy the day.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
Flying nonstop from IAH to FCA takes around 4 hours, with the route covering approximately 1,612 miles. Flights with a layover typically take 2 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
You can fly first class between IAH and FCA. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kalispell from George Bush Intercontinental (IAH)?
If you're planning to travel to Kalispell from George Bush Intercontinental (IAH), you can fly into Glacier Park Intl. (FCA) Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Portland Intl. (PDX), Austin-Bergstrom Intl. (AUS) before reaching Kalispell. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) 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 extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Kalispell, MT (FCA-Glacier Park Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$338
Distance
1612 mi

Book with confidence

Houston to Kalispell Flights

The cheapest times to fly from Houston to Kalispell

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 Houston to Kalispell are during the month of September. You can find some of the cheapest flights from Houston to Kalispell with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Kalispell

Sunday is one of the best days to book for cheap flights from Houston to Kalispell: 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 Houston to Kalispell

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 Houston to Kalispell in 2026. You can also book with separate airlines for your outbound and return journeys, from $154 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 Houston to Kalispell 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 Houston to Kalispell 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.

 

Houston to Kalispell Flights

*Flight schedules are subject to change.

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*Available to One Key members.