Cheap Flights from Houston TX to Kalispell MT from $314

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Flight deals from Houston to Kalispell

Looking for a cheap last-minute deal or the best round-trip flight from Houston to Kalispell Airport? If you want to travel next month, round-trip fares start from $503. Find the lowest prices on one-way and round-trip tickets right here.

Kalispell.$314 per passenger.Departing Thu, Aug 27, returning Mon, Aug 31.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Thu, Aug 27, arriving in Kalispell.Inbound indirect flight with Allegiant Air, departing from Kalispell on Mon, Aug 31, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $314, select.

Kalispell.$349 per passenger.Departing Mon, Sep 7, returning Thu, Sep 17.Round-trip flight with United.Outbound indirect flight with United, departing from Houston George Bush Intercntl. on Mon, Sep 7, arriving in Kalispell.Inbound indirect flight with United, departing from Kalispell on Thu, Sep 17, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $349, select.

Kalispell.$382 per passenger.Departing Sat, Aug 15, returning Tue, Sep 8.Round-trip flight with United.Outbound indirect flight with United, departing from Houston George Bush Intercntl. on Sat, Aug 15, arriving in Kalispell.Inbound indirect flight with United, departing from Kalispell on Tue, Sep 8, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $382, select.

Kalispell.$384 per passenger.Departing Tue, Jun 16, returning Tue, Jun 23.Round-trip flight with United.Outbound indirect flight with United, departing from Houston George Bush Intercntl. on Tue, Jun 16, arriving in Kalispell.Inbound indirect flight with United, departing from Kalispell on Tue, Jun 23, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $384, select.

Kalispell.$417 per passenger.Departing Wed, Jul 29, returning Wed, Aug 5.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Wed, Jul 29, arriving in Kalispell.Inbound indirect flight with Allegiant Air, departing from Kalispell on Wed, Aug 5, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $417, select.

Kalispell.$489 per passenger.Departing Wed, Dec 30, returning Wed, Jan 13.Round-trip flight with United.Outbound indirect flight with United, departing from Houston George Bush Intercntl. on Wed, Dec 30, arriving in Kalispell.Inbound indirect flight with United, departing from Kalispell on Wed, Jan 13, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $489, select.

Kalispell.$494 per passenger.Departing Tue, Jun 16, returning Thu, Aug 27.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Houston George Bush Intercntl. on Tue, Jun 16, arriving in Kalispell.Inbound indirect flight with Delta, departing from Kalispell on Thu, Aug 27, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $494, select.

Kalispell.$503 per passenger.Departing Sat, Jul 4, returning Sat, Jul 11.Round-trip flight with Frontier Airlines and Sun Country Airlines.Outbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Sat, Jul 4, arriving in Kalispell.Inbound indirect flight with Sun Country Airlines, departing from Kalispell on Sat, Jul 11, arriving in Houston Hobby.Price includes taxes and charges.From $503, select.

Kalispell.$516 per passenger.Departing Fri, Oct 9, returning Sun, Oct 11.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Houston George Bush Intercntl. on Fri, Oct 9, arriving in Kalispell.Inbound indirect flight with Alaska Airlines, departing from Kalispell on Sun, Oct 11, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $516, select.

Kalispell.$556 per passenger.Departing Tue, Jan 5, returning Tue, Jan 19.Round-trip flight with United.Outbound indirect flight with United, departing from Houston George Bush Intercntl. on Tue, Jan 5, arriving in Kalispell.Inbound indirect flight with United, departing from Kalispell on Tue, Jan 19, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $556, select.

Kalispell.$783 per passenger.Departing Sat, Aug 8, returning Sat, Aug 8.Round-trip flight with United.Outbound direct flight with United departing from Houston George Bush Intercntl. on Sat, Aug 8, arriving in Kalispell.Inbound direct flight with United departing from Kalispell on Sat, Aug 8, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $783, select.

Kalispell.$856 per passenger.Departing Thu, Dec 17, returning Mon, Dec 28.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Houston George Bush Intercntl. on Thu, Dec 17, arriving in Kalispell.Inbound indirect flight with Alaska Airlines, departing from Kalispell on Mon, Dec 28, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $856, select.

Find the cheapest month to fly from Houston to Kalispell

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

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Direct flights from Houston to Kalispell

Houston to Kalispell: Alternative routes

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

Kalispell

13km from central Kalispell

ClosestCheapest

from $314

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Houston to Kalispell: Flight information

The things to know before you go.

Cheapest flight found	$314
Cheapest month to fly	August
Average flight time	4 hrs, 4 mins
Most popular airline	United
Average flights per week	1

Finding cheap flights from Houston to Kalispell: Frequently asked questions

How much are round-trip flights from Houston to Kalispell?

The best price we found for a round-trip flight from Houston to Kalispell is $314. 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.

How long does it take to fly from Houston to Kalispell?

4 hours and 4 minutes is the average flight time from Houston to Kalispell.

Which airlines fly direct from Houston to Kalispell?

United flies direct from Houston to Kalispell.

How many flights are there a week from Houston to Kalispell?

There is one flight per week flying from Houston to Kalispell, as of June 2026.

When is the cheapest time to fly from Houston to Kalispell?

The cheapest month to fly from Houston to Kalispell is usually August.

Which upcoming date is cheapest to fly from Houston to Kalispell Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Kalispell Airport on Thursday, August 27, 2026.

Can I get a direct flight from Houston to Kalispell Airport?

Yes – the average flight time is 4 hours and 4 minutes.

How can I find the best flight deal to Kalispell?

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.

When is the best time to book flights to Kalispell?

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.

Traveling from Houston to Glacier Park International Airport (FCA): What you need to know

Houston's main airport is Houston George Bush Intercontinental Airport (IAH). Check out your options for leaving from here when booking flights from Houston to Glacier Park International Airport (FCA).
The average length of a direct Houston to Glacier Park International Airport flight is 4 hours.
Glacier Park International Airport is located in Kalispell. The city operates on the UTC-7 timezone and is one hour behind Houston.
For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your flight from Houston to FCA.
Peak months like July or vacation times such as Thanksgiving and Christmas/New Year will mean bigger queues at check-in and security. If you're traveling then, play it safe and get to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a wise move.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

Fly without interruptions from Houston George Bush Intercontinental Airport (IAH). Direct flights from Houston to Glacier Park International Airport (FCA) are available from here.
United Airlines is a popular airline that offers direct flights from Houston to Glacier Park International Airport jetting out of IAH.
United is the most frequently chosen airline for flights from IAH to FCA.
Located around 40 kilometers from the center of Houston, IAH can be reached in about 30 minutes by car (depending on traffic). The journey on public transport will take roughly 1 hour 10 minutes.
Searching for a comfortable hotel close to Houston George Bush Intercontinental Airport? If you're catching an early flight from Houston to Glacier Park International Airport, these stays will put you moments from your departure lounge:
When it comes to the on-time performance of Houston George Bush Intercontinental Airport, data shows 79% of flights arrive within the expected time frame.
IAH's address is 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

Using public transport, you can travel from central Houston to HOU in around 50 minutes. The airport is roughly 19 kilometers away, and making the trip by car takes approximately 20 minutes.
Want to enjoy an extra night away before your Houston to FCA flight? Unwind in a hotel near Houston Hobby Airport before your trip officially starts. These stays are expecting you:
Looking at how often flights stay on schedule, Houston Hobby Airport has an on-time arrival rate of 79%.
HOU is located at 7800 Airport Boulevard.

About Glacier Park International Airport (FCA)

If you're arriving on a late flight from Houston to Glacier Park International Airport, few things beat the convenience of staying near the terminal. Pick up your luggage at baggage claim and then be showered and resting not long after at one of these hotels near FCA:
Secure the lowest price by booking your vehicle around two weeks ahead of your Houston to Glacier Park International Airport flight.
FCA is located at 4170 Highway 2 East.

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

From Glacier Park International Airport, central Kalispell is around 11 kilometers away. It takes about 15 minutes to get to the city center by car.
Traveling on public transport typically takes 30 minutes.

How to find the cheapest flights from Houston to Glacier Park International Airport (FCA)

$131 is currently the best price for a one-way ticket from Houston to Glacier Park International Airport. Return flights start from $314. These prices may change based on availability and demand.
Booking ahead of time is often the key to scoring a cheap flight from Houston to FCA. Prices tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.
Cheap Houston to Glacier Park International Airport tickets are easier to find when your travel dates are flexible. Use the 'Whole month' tool to compare fares throughout the month and then choose the cheapest day.
Save time looking for cheap plane tickets from Houston to FCA by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.
Filters make it easier to scoop up a deal on your flight from Houston to Glacier Park International Airport. Pick the airlines, flight times and number of stops that match your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Houston to Glacier Park International Airport (FCA)

December is the quietest month for flights from Houston to Glacier Park International Airport (FCA), while August is the busiest. Figure out the ideal time to go to Kalispell based on whether you like a lively atmosphere or a more laid-back vibe.
When booking your Houston to FCA plane ticket, consider what kind of weather works for you. July is the warmest month in Kalispell, with temperatures ranging from 7ºC (45ºF) to 32ºC (90ºF).
Look for cheap tickets from Houston to Glacier Park International Airport in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -17ºC (1ºF) and 1ºC (34ºF).

More about Kalispell

Start your Kalispell trip right by choosing the ideal place to stay. After booking your flight from Houston to Glacier Park International Airport, explore our range of accommodation options including:
You'll find plenty of awesome things to do in Kalispell when you're in the mood to sightsee. Make your way to Flathead National Forest followed by Conrad Mansion and Great Northern Railway Depot.

Explore more of the United States

Kalispell is easy to fall in love with, but there are so many other parts of the United States just waiting to be discovered. Around 241 kilometers west of Kalispell, a trip to Spokane will keep your itinerary busy. Start with attractions like Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.
Around 241 kilometers west of Kalispell, Spokane Valley is another essential stop in the United States. Start your sightseeing at Appleway Trail, Splash Down Waterpark and Honor Point Military and Aerospace Museum.