Find flights
When to book
FAQs

Cheap flights from Houston George Bush Intcntl Airport to Kalispell from £137

IAH — FCA
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Kalispell

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to Kalispell

Thu 22/1008:30 -
1 stop5h 58m
Thu 29/1014:36 -
1 stop7h 18m
Deal found 8/9£280
Wed 21/1005:29 -
2 stops10h 12m
Sat 24/1012:28 -
1 stop8h 30m
Deal found 6/9£283
Tue 20/1006:02 -
1 stop7h 21m
Tue 27/1014:03 -
1 stop8h 56m
Deal found 6/9£287
Tue 20/1007:00 -
2 stops11h 33m
Tue 27/1005:30 -
1 stop6h 59m
Deal found 6/9£306
Wed 21/1005:29 -
2 stops10h 12m
Mon 26/1005:30 -
2 stops11h 20m
Deal found 6/9£309
Tue 20/1007:00 -
2 stops11h 33m
Wed 28/1012:28 -
2 stops10h 25m
Deal found 6/9£310
Tue 24/1106:15 -
2 stops12h 22m
Tue 1/1212:28 -
2 stops10h 26m
Deal found 10/9£317
Tue 20/1006:02 -
1 stop7h 21m
Wed 28/1008:01 -
1 stop8h 13m
Deal found 6/9£328
Tue 20/1007:00 -
2 stops11h 33m
Mon 26/1005:30 -
2 stops11h 20m
Deal found 6/9£331
Sat 3/1007:20 -
1 stop8h 56m
Sat 10/1017:12 -
1 stop5h 47m
Deal found 10/9£339
Wed 14/1007:00 -
2 stops11h 33m
Wed 21/1005:30 -
1 stop6h 59m
Deal found 7/9£342

Find flight deals from George Bush Intcntl to Kalispell

Round-trip from

£280

One-way from

£137

Popular in

March

Cheapest in

May

Average price

£490
Delta
  • Delta
  • 19/11-2/12
  • 2 total stops
  • 17h 03m total
  • Houston to Kalispell
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 19/10-31/12
  • 1 total stop
  • 20h 06m total
  • Houston to Kalispell
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Mon 19/10

18:17-13:23

1 stop20h 06m

Kalispell Glacier Park

Wed 31/12

00:00-01:00

Nonstop0h 00m

£137

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Sat 19/9

09:35-15:54

1 stop7h 19m

Kalispell Glacier Park

Wed 31/12

00:00-01:00

Nonstop0h 00m

£191
Fastest return journey

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Wed 16/9

17:46-23:43

1 stop6h 57m

Kalispell Glacier Park

Wed 31/12

00:00-01:00

Nonstop0h 00m

£191

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Sat 3/10

07:00-17:18

2 stops11h 18m

Kalispell Glacier Park

Wed 31/12

00:00-01:00

Nonstop0h 00m

£195

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Fri 2/10

06:10-13:25

1 stop8h 15m

Kalispell Glacier Park

Tue 6/10

06:00-13:15

1 stop6h 15m

£280

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Sat 17/10

06:20-13:28

1 stop8h 08m

Kalispell Glacier Park

Wed 21/10

12:26-22:45

1 stop9h 19m

£339

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Sat 3/10

07:20-15:16

1 stop8h 56m

Kalispell Glacier Park

Sat 10/10

17:12-23:59

1 stop5h 47m

£353

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Sun 27/9

06:30-15:34

1 stop10h 04m

Kalispell Glacier Park

Sat 10/10

14:30-22:58

1 stop7h 28m

£353

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Mon 19/10

18:17-13:23

1 stop20h 06m

Kalispell Glacier Park

Sun 25/10

19:45-17:14

1 stop20h 29m

£365

HoustonKalispell

IAH Houston George Bush Intcntl - FCA Kalispell Glacier Park

IAHFCA

Houston George Bush Intcntl

Sun 20/9

07:01-17:28

1 stop11h 27m

Kalispell Glacier Park

Thu 24/9

20:21-08:28

2 stops11h 07m

£394

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from George Bush Intcntl to Kalispell

Have a flexible travel schedule? Discover the best time to fly to Kalispell from George Bush Intcntl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Kalispell

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Kalispell?

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Kalispell (average of £315). Flying from Houston George Bush Intcntl Airport to Kalispell in March is currently the most expensive (average of £666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Houston George Bush Intcntl Airport to Kalispell?

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Kalispell flights typically cost between £392 and £579 in October.
The cheapest return price found within the last 5 days was £280 on United Airlines (22 Oct–31 Oct).

Related info for your journey

  • What airport do you fly into for flights to Kalispell from Houston George Bush Intcntl?

    Most people fly into Kalispell Glacier Park (FCA) if they book a flight to Kalispell from Houston George Bush Intcntl. On average, Glacier Park has 0 inbound flights from Houston George Bush Intcntl per day from 0 airlines. Kalispell Glacier Park is conveniently located just 8.4 mi from Kalispell’s city center.

  • How long is the flight from Houston George Bush Intcntl Airport to Kalispell?

    There are many flights that can get you from Houston George Bush Intcntl Airport to Kalispell in 7h 21m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance from Houston George Bush Intcntl Airport to Kalispell is about 1611 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from George Bush Intcntl to Kalispell that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Kalispell flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Kalispell?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Kalispell.

  • Can I find deals for business class flights from George Bush Intcntl to Kalispell?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Kalispell by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Kalispell?

    Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Kalispell (average of £315). Flying from Houston George Bush Intcntl Airport to Kalispell in March is currently the most expensive (average of £666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from George Bush Intcntl to Kalispell?

Deals for George Bush Intcntl to Kalispell flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Kalispell?

Cheapflights simply makes it quick and affordable to book flights from George Bush Intcntl to Kalispell by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from George Bush Intcntl to Kalispell with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from George Bush Intcntl to Kalispell flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Kalispell become cheaper?

Yes! Start tracking prices for George Bush Intcntl to Kalispell flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.