How many flights depart from St. Louis to Kalispell on average per week?

As of November 2025, there are 7 flights per week flying from St. Louis to Kalispell. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

What airlines fly to Kalispell?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Kalispell from St. Louis according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 4 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to Kalispell Glacier Park?

Delta and United Airlines are the most popular carriers operating from Lambert-St Louis to Kalispell Glacier Park

When did momondo last update prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?

Prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?

As of November 2025, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport.

How old do you have to be to fly from Lambert-St Louis Airport to Kalispell Glacier Park Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kalispell Glacier Park Airport.

What documentation or ID do you need to fly to Kalispell Glacier Park Airport?

The travel and health documents you'll need for your trip to Kalispell Glacier Park Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kalispell Glacier Park Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$129 Cheap Flights from St. Louis to Kalispell in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Kalispell

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:50 pm - 11:58 pmSTL-FCA

10h 08m1 stop

7:46 pm - 1:54 pmFCA-STL

17h 08m1 stop

$228Alaska Airlines

Find Deal

Fri, Jan 23 - Sat, Jan 31

11:20 am - 11:20 pmSTL-FCA

13h 00m2 stops

2:42 pm - 8:58 pmFCA-STL

5h 16m1 stop

$234United Airlines

Find Deal

Sat, Jan 24 - Thu, Jan 29

11:20 am - 11:20 pmSTL-FCA

13h 00m2 stops

7:00 am - 7:27 pmFCA-STL

11h 27m2 stops

$239United Airlines

Find Deal

Fri, Jan 23 - Sat, Jan 31

6:19 pm - 11:58 pmSTL-FCA

6h 39m1 stop

6:25 am - 1:54 pmFCA-STL

6h 29m1 stop

$242Alaska Airlines

Find Deal

Sat, Jan 24 - Thu, Jan 29

6:30 am - 11:31 amSTL-FCA

6h 01m1 stop

5:00 am - 1:30 pmFCA-STL

7h 30m1 stop

$257Delta

Find Deal

Fri, Dec 5 - Wed, Dec 10

6:30 am - 11:31 amSTL-FCA

6h 01m1 stop

5:00 am - 6:33 pmFCA-STL

12h 33m2 stops

$262Delta

Find Deal

Fri, Dec 5 - Wed, Dec 10

2:38 pm - 11:10 pmSTL-FCA

9h 32m2 stops

5:00 am - 5:10 pmFCA-STL

11h 10m2 stops

$267Delta

Find Deal

Fri, Dec 5 - Wed, Dec 10

4:15 pm - 9:59 pmSTL-FCA

6h 44m1 stop

7:00 am - 7:27 pmFCA-STL

11h 27m2 stops

$268United Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

9:00 am - 11:02 pmSTL-FCA

15h 02m2 stops

6:12 pm - 12:36 amFCA-STL

5h 24m1 stop

$273Delta

Find Deal

Sat, Apr 25 - Wed, Apr 29

6:34 am - 11:26 amSTL-FCA

5h 52m1 stop

5:00 am - 4:49 pmFCA-STL

10h 49m2 stops

$274Delta

Find Deal

Wed, Nov 19 - Sun, Nov 23

Delta flights from St. Louis to Kalispell

Our best Delta deals on St. Louis to Kalispell flight tickets

Delta

Dec 5

STL6:30 amLambert-St Louis

6h 01m

1 stop

FCA11:31 amKalispell Glacier Park

Dec 10

FCA5:00 amKalispell Glacier Park

7h 30m

1 stop

STL1:30 pmLambert-St Louis

$257

Find similar

Delta

Dec 5

STL6:30 amLambert-St Louis

6h 01m

1 stop

FCA11:31 amKalispell Glacier Park

Dec 10

FCA5:00 amKalispell Glacier Park

12h 33m

2 stops

STL6:33 pmLambert-St Louis

$262

Find similar

Delta

Dec 5

STL2:38 pmLambert-St Louis

9h 32m

2 stops

FCA11:10 pmKalispell Glacier Park

Dec 10

FCA5:00 amKalispell Glacier Park

11h 10m

2 stops

STL5:10 pmLambert-St Louis

$267

Find similar

Alaska Airlines flights from St. Louis to Kalispell

Our best Alaska Airlines deals on St. Louis to Kalispell flight tickets

Alaska Airlines

Jan 23

STL2:50 pmLambert-St Louis

10h 08m

1 stop

FCA11:58 pmKalispell Glacier Park

Jan 31

FCA7:46 pmKalispell Glacier Park

17h 08m

1 stop

STL1:54 pmLambert-St Louis

$228

Find similar

Alaska Airlines

Jan 24

STL6:19 pmLambert-St Louis

6h 39m

1 stop

FCA11:58 pmKalispell Glacier Park

Jan 29

FCA6:25 amKalispell Glacier Park

6h 29m

1 stop

STL1:54 pmLambert-St Louis

$242

Find similar

Alaska Airlines

Jan 24

STL11:05 amLambert-St Louis

13h 53m

2 stops

FCA11:58 pmKalispell Glacier Park

Jan 31

FCA7:46 pmKalispell Glacier Park

17h 08m

1 stop

STL1:54 pmLambert-St Louis

$334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 1/23

2:50 pm-11:58 pm

1 stop10h 08m

Kalispell Glacier Park

Sat 1/31

7:46 pm-1:54 pm

1 stop17h 08m

$228

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 1/24

11:20 am-11:20 pm

2 stops13h 00m

Kalispell Glacier Park

Thu 1/29

2:42 pm-8:58 pm

1 stop5h 16m

$234

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 1/23

11:20 am-11:20 pm

2 stops13h 00m

Kalispell Glacier Park

Sat 1/31

7:00 am-7:27 pm

2 stops11h 27m

$239

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 1/24

6:19 pm-11:58 pm

1 stop6h 39m

Kalispell Glacier Park

Thu 1/29

6:25 am-1:54 pm

1 stop6h 29m

$242

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 12/5

6:30 am-11:31 am

1 stop6h 01m

Kalispell Glacier Park

Wed 12/10

5:00 am-1:30 pm

1 stop7h 30m

$257

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 12/5

6:30 am-11:31 am

1 stop6h 01m

Kalispell Glacier Park

Wed 12/10

5:00 am-6:33 pm

2 stops12h 33m

$262

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 12/5

2:38 pm-11:10 pm

2 stops9h 32m

Kalispell Glacier Park

Wed 12/10

5:00 am-5:10 pm

2 stops11h 10m

$267

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 1/24

4:15 pm-9:59 pm

1 stop6h 44m

Kalispell Glacier Park

Sat 1/31

7:00 am-7:27 pm

2 stops11h 27m

$268

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 4/25

9:00 am-11:02 pm

2 stops15h 02m

Kalispell Glacier Park

Wed 4/29

6:12 pm-12:36 am

1 stop5h 24m

$273

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 11/19

6:34 am-11:26 am

1 stop5h 52m

Kalispell Glacier Park

Sun 11/23

5:00 am-4:49 pm

2 stops10h 49m

$274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Kalispell

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Kalispell?

The month of December is, on average, the cheapest month to fly to Kalispell from St. Louis, with most prices found around $321. If you aren’t able to travel to Kalispell during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $367.

What is the cheapest day to depart on your flight to Kalispell?

The cheapest day to depart from St. Louis to Kalispell is on a Wednesday. Travelers who choose to depart for Kalispell on a Wednesday will often find tickets for as low as $481. The most expensive day to fly to Kalispell is Thursday, with ticket prices averaging around $651.

What is the cheapest time of day to depart on your flight to Kalispell?

According to our data, the cheapest time of day to fly to Kalispell is in the afternoon. momondo users have found flights departing from St. Louis to Kalispell in the afternoon for as low as $482. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Kalispell, so prices are often more expensive at around $639 per ticket.

How far in advance should I book a flight to Kalispell?

You are more likely to see cheaper flights to Kalispell from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from St. Louis for as low as $372 on momondo.

When to book flights from St. Louis to Kalispell

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Kalispell according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Kalispell (STL to FCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kalispell

Direct flights	None

There are no direct flights from St. Louis to Kalispell. There are no popular flight routes from St. Louis to Kalispell.

Search flight deals

How far is Lambert-St Louis to Kalispell Glacier Park by plane?
Kalispell Glacier Park is 1369.9 mi away from Lambert-St Louis. Flights usually cover this in 5h 52m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?
Prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?
As of November 2025, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Kalispell Glacier Park Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Kalispell Glacier Park Airport.
What documentation or ID do you need to fly to Kalispell Glacier Park Airport?
The travel and health documents you'll need for your trip to Kalispell Glacier Park Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kalispell Glacier Park Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Kalispell?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Kalispell is American Airlines, representing 38% of all bookings. The subsequent popular airlines are United Airlines at 32%, Delta at 25%, and Alaska Airlines at 4%.

Best airlines flying from St. Louis to Kalispell

Compare and see reviews for airlines that fly from St. Louis to Kalispell with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $251	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $257	Free Cancellation	Rating 8.0 11,243 reviews	Search Alaska Airlines flights
Delta	PriceFrom $304	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
United Airlines	PriceFrom $306	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights

United Airlines Flights From St. Louis to Kalispell
United Airlines flies from St. Louis to Kalispell around 7 times per week, with 9,003 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from St. Louis to Kalispell in the last 72 hours was $306 (round-trip), much lower than the average airfare cost of $509 for United Airlines flights on this route.

Whitefish

Columbia Falls

Polson

East Glacier Park

Cut Bank

Essex

Eureka

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Kalispell?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Kalispell. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Kalispell with flexible booking policies on momondo?

Flights from St. Louis to Kalispell with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Kalispell?

Once you have performed a search for St. Louis to Kalispell flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Kalispell right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kalispell from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Kalispell trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 12/6

Sat 12/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Montana

Billings Logan Intl Airport

Butte Silver Bow Co Airport

Bozeman Gallatin Field Airport

Glendive Mont Dawson Airport

Glasgow Airport

Great Falls Airport

Helena Airport

Havre City County Airport

Missoula Johnson-Bell Field Airport

Wolf Point Airport

Sidney Richland Municipal Airport

West Yellowstone Airport

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $49

Flights to Las Vegasfrom $42

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $54

Flights to Bostonfrom $49

Flights to Atlantafrom $49

Flights to Dallasfrom $58

Flights to Seattlefrom $72

Cheap flights from St. Louis to Kalispell from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kalispell departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from St. Louis to Kalispell

Cheap round-trip flights

Cheap one-way flights

Delta flights from St. Louis to Kalispell

Our best Delta deals on St. Louis to Kalispell flight tickets

Alaska Airlines flights from St. Louis to Kalispell

Our best Alaska Airlines deals on St. Louis to Kalispell flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Kalispell that are best for you.

See travel insights to Kalispell from

How to get the cheapest flight ticket from St. Louis to Kalispell

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kalispell?

What is the cheapest day to depart on your flight to Kalispell?

The cheapest day to depart from St. Louis to Kalispell is on a Wednesday. Travelers who choose to depart for Kalispell on a Wednesday will often find tickets for as low as $481. The most expensive day to fly to Kalispell is Thursday, with ticket prices averaging around $651.

What is the cheapest time of day to depart on your flight to Kalispell?

How far in advance should I book a flight to Kalispell?

What is the cheapest airline that flies from Lambert-St Louis to Kalispell Glacier Park?

Delta and United Airlines are the most popular carriers operating from Lambert-St Louis to Kalispell Glacier Park

What airlines fly to Kalispell?

How many flights depart from St. Louis to Kalispell on average per week?

As of November 2025, there are 7 flights per week flying from St. Louis to Kalispell. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

When to book flights from St. Louis to Kalispell

Cheap St. Louis to Kalispell (STL to FCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Kalispell

Direct flights

How far is Lambert-St Louis to Kalispell Glacier Park by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Kalispell Glacier Park Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Kalispell Glacier Park Airport?

What documentation or ID do you need to fly to Kalispell Glacier Park Airport?

What is the most popular airline from St. Louis to Kalispell?

Best airlines flying from St. Louis to Kalispell

Compare and see reviews for airlines that fly from St. Louis to Kalispell with momondo

United Airlines Flights From St. Louis to Kalispell

Traveling to a place near Kalispell?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Kalispell?

Can I find flights from St. Louis to Kalispell with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Kalispell?

I’m not ready to book a flight from St. Louis to Kalispell right now. Can momondo alert me if prices change?

An easier way to manage your Kalispell trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Montana