$139 Cheap United flights Kalispell (FCA) to Houston (IAH)

View $139 flight on Fri, Dec 12, 2025Opens in a new window

$139 Cheap United flights Kalispell (FCA) to Houston (IAH)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 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
$277 Roundtrip, found 1 hour ago
$277
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Nov 13 from Kalispell to Houston, returning Tue, Nov 18, priced at $277 found 1 hour ago
United
Fri, Oct 17 - Mon, Oct 27
FCA
Kalispell
IAH
Houston
$281 Roundtrip, found 2 days ago
$281
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 17 from Kalispell to Houston, returning Mon, Oct 27, priced at $281 found 2 days ago
United
Thu, Oct 30 - Mon, Nov 3
FCA
Kalispell
IAH
Houston
$287 Roundtrip, found 7 hours ago
$287
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Oct 30 from Kalispell to Houston, returning Mon, Nov 3, priced at $287 found 7 hours ago
United
Sat, Oct 11 - Sat, Oct 25
FCA
Kalispell
IAH
Houston
$292 Roundtrip, found 23 hours ago
$292
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Oct 11 from Kalispell to Houston, returning Sat, Oct 25, priced at $292 found 23 hours ago
United
Fri, Oct 17 - Tue, Oct 21
FCA
Kalispell
IAH
Houston
$293 Roundtrip, found 3 days ago
$293
Roundtrip
found 3 days ago
Select United flight, departing Fri, Oct 17 from Kalispell to Houston, returning Tue, Oct 21, priced at $293 found 3 days ago
United
Sat, Oct 11 - Sat, Oct 18
FCA
Kalispell
IAH
Houston
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 11 from Kalispell to Houston, returning Sat, Oct 18, priced at $294 found 1 day ago
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
Popular airline
Alaska Airlines
Distance
1612 mi

Frequently asked questions

How much is a United Airlines flight from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)?
Finding cheap one-way United Airlines flights from FCA to IAH from $139 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $277 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from FCA to IAH with United Airlines?
November is one of the least expensive months to get away to Houston with United Airlines. You could also find great deals on one-way and return tickets in February.
What is the cheapest time to book flights from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH) with United Airlines?
Start searching one to three months before your departure to get cheaper fares on United Airlines flights from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)?
Select our "Nonstop" filter when looking for direct United Airlines flights from FCA to IAH. It's also an easy way to compare other carriers offering the same nonstop journey.
What is the earliest United Airlines flight from FCA to IAH?
Search United Airlines's earliest flights from FCA to IAH by selecting our "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Houston?
United Airlines flights from Glacier Park Intl. Airport (FCA) to Houston come in to George Bush Intercontinental Airport (IAH). This is the main gateway to this city.
Why fly with United Airlines from FCA to IAH?
With a rewarding loyalty program, United Airlines is a top pick for many travelers heading from FCA to IAH. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Glacier Park Intl. Airport (FCA) to George Bush Intercontinental Airport (IAH)?
Depending on the type of fare you purchased, a fee typically applies if you modify or cancel your flight more than 24 hours after it's been confirmed. To find flexible fares, select our "No cancel fee" or "Changes included" filter when searching for flights. For additional information on changing or canceling your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.