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United States
Glacier Park International Airport (FAA: GPI)
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United States
George Bush Intercontinental Airport
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Scan through all non-stop flights from Kalispell to Houston. The full flight schedule below gives an overview of all non-stop flights from FCA to IAH, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Houston is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Houston any time of the year, but the best months to explore are from to and from to .

Currently, there is only one airline operating non-stop flights from Kalispell FCA to Houston IAH, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their FCA IAH flight schedule.
Flights from FCA to IAH are operated once a week. All flights depart at 14:00.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Kalispell to Houston takes 3 hours and 52 minutes. The flight distance between Kalispell and Houston is 1,611 miles (or 2,593 km).
There are 2 airports in Houston: George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).
There is 1 flight per week flying from Kalispell to Houston (as of April 2026).
3 hours and 52 minutes is the average flight time from Kalispell to Houston.
The distance from Kalispell to Houston is 1,611 miles (2,593 kilometers).
United Airlines is the only airline flying nonstop from Kalispell to Houston.
Star Alliance is currently the only alliance flying nonstop from Kalispell to Houston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Kalispell to Houston:
The earliest flight departs at 14:00 from Kalispell and arrives at 18:52 at Houston.
The latest flight departs at 14:00 from Kalispell and arrives at 18:52 at Houston.
1,611 miles (2,593 km) · 3h 52m
14:00
18:52
United Airlines
Star Alliance
UA 448
United Airlines
Airbus A319
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