Cheap flights from Houston George Bush Intercntl. to Kalispell

Compare Houston George Bush Intercntl. to Kalispell flight deals

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Flight deals from Houston George Bush Intercntl. to Kalispell

Looking for a cheap last-minute deal or the best round-trip flight from Houston George Bush Intercntl. to Kalispell? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Houston George Bush Intercntl. to Kalispell

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Kalispell flights are currently cheapest in June.

Direct flights from Houston George Bush Intercntl. to Kalispell

Houston George Bush Intercntl. to Kalispell: Alternative routes

Compare routes from Houston George Bush Intercntl. to Kalispell below. You may find an airport to fly into that's cheaper, faster, or easier than Kalispell.

Houston to Kalispell: Flight information

The things to know before you go.
Cheapest flight found$311
Cheapest month to flyJune
Average flight time3 hrs, 59 mins
Most popular airlineUnited
Average flights per week1

Finding cheap flights from Houston George Bush Intercntl. to Kalispell: Frequently asked questions

The best price we found for a round-trip flight from Houston George Bush Intercntl. to Kalispell is $311. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 59 minutes is the average flight time from Houston George Bush Intercntl. to Kalispell.
United flies direct from Houston George Bush Intercntl. to Kalispell.
There is one flight per week flying from Houston George Bush Intercntl. to Kalispell, as of February 2026.
The cheapest month to fly from Houston George Bush Intercntl. to Kalispell is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Kalispell Airport on Monday, June 8, 2026.
Yes – the average flight time is 3 hours and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kalispell but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Kalispell is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Kalispell.

Flying from George Bush Intercontinental Airport (IAH) to Glacier Park International Airport (FCA): what you need to know

  • Around 4 hours is how long you'll be traveling on a direct flight from George Bush Intercontinental Airport to Glacier Park International Airport.

  • Give yourself plenty of time to catch your IAH to FCA flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.

  • United Airlines offers direct flights from George Bush Intercontinental Airport to Glacier Park International Airport. Book with this popular airline, then get ready to tick off the sights in Kalispell — and maybe even more of United States if you have time.

  • The majority of passengers choose to travel with United Airlines on this route.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from George Bush Intercontinental Airport to Glacier Park International Airport. Here are the top stopovers between IAH and FCA:

    • Denver International Airport

    • Salt Lake City International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Glacier Park International Airport (FCA)

  • Right now, $149 is the cheapest price we've found for a one-way George Bush Intercontinental Airport to Glacier Park International Airport flight. The best price for a return ticket is $311. Remember that fares may change due to availability when booking.

  • Book six months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from IAH to FCA.

  • Organize your trip for May. That's the cheapest month for flights from George Bush Intercontinental Airport to Glacier Park International Airport. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest airfare across every month.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll update you the moment a special offer becomes available on cheap flights from IAH to FCA.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from George Bush Intercontinental Airport to Glacier Park International Airport.

Handy information about George Bush Intercontinental Airport (IAH)

  • IAH's address is 16930 JFK Boulevard.

  • Of all flights departing from George Bush Intercontinental Airport, 78.42% arrive as scheduled at their destination.

  • George Bush Intercontinental Airport is about 27 kilometers from central Houston. If you're ride-sharing, catching a cab or driving from the center, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport usually takes 50 minutes.

  • Get your travels off to a stress-free start by staying near IAH. Whether you've booked an early flight from George Bush Intercontinental Airport to Glacier Park International Airport or just don't like being rushed, these stays are the answer:

Arriving at Glacier Park International Airport (FCA)

Getting from Glacier Park International Airport (FCA) to central Kalispell

  • You'll find FCA at 4170 Highway 2 East.

  • Glacier Park International Airport to the center of Kalispell has a drive time of about 20 minutes. It's approximately 16 kilometers away.

When to fly to Glacier Park International Airport (FCA)

  • The quietest month for a flight from George Bush Intercontinental Airport to Glacier Park International Airport is November, while July is the most popular. Pick the ideal time to go to Kalispell based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Kalispell is July, with temperatures ranging between 7ºC (45ºF) and 32ºC (90ºF). Lock in your flights from George Bush Intercontinental Airport to Glacier Park International Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from IAH to FCA in February if you like cooler conditions. Temperatures are at their lowest then, ranging between -17ºC (1ºF) and 1ºC (34ºF) on average.

Explore more of United States

  • You've done Kalispell, now it's time to explore more of United States. Journey around 241 kilometers west to Spokane to check off its top attractions. From Manito Park to Northwest Museum of Arts & Culture and Spokane Falls, you'll have a packed itinerary ahead.

  • Spokane Valley is another favorite destination in United States and is around 225 kilometers west of Kalispell. No journey is complete without visiting Splash Down Waterpark, The Ref Sports Bar and Bead Lake Loop.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.