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Cheap flights from St. Louis to Kalispell from $214

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 5/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Kalispell

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 12:35 pm
STL
-
FCA
7h 35m
1 stop
American Airlines Logo
12:25 pm - 9:37 pm
FCA
-
STL
8h 12m
1 stop
$297American Airlines
Tue, May 26 - Tue, Jun 9
United Airlines Logo
5:10 am - 10:08 am
STL
-
FCA
5h 58m
1 stop
United Airlines Logo
5:00 pm - 11:50 pm
FCA
-
STL
5h 50m
1 stop
$309United Airlines
Mon, Aug 17 - Sat, Aug 22
American Airlines Logo
5:25 am - 11:35 am
STL
-
FCA
7h 10m
1 stop
American Airlines Logo
4:45 pm - 11:54 pm
FCA
-
STL
6h 09m
1 stop
$317American Airlines
Wed, Jun 3 - Mon, Jun 8
Delta Logo
6:45 am - 5:27 pm
STL
-
FCA
11h 42m
2 stops
Delta Logo
12:20 pm - 9:06 pm
FCA
-
STL
7h 46m
1 stop
$322Delta
Wed, May 20 - Sun, May 24
Delta Logo
6:45 am - 5:27 pm
STL
-
FCA
11h 42m
2 stops
Delta Logo
6:07 pm - 8:18 am
FCA
-
STL
13h 11m
2 stops
$327Delta
Wed, May 20 - Sun, May 24
Delta Logo
6:45 pm - 11:27 pm
STL
-
FCA
5h 42m
1 stop
Delta Logo
12:10 pm - 11:13 pm
FCA
-
STL
10h 03m
2 stops
$334Delta
Thu, Apr 23 - Mon, Apr 27
Alaska Airlines Logo
6:00 am - 12:28 pm
STL
-
FCA
7h 28m
1 stop
Alaska Airlines Logo
6:08 pm - 2:16 pm
FCA
-
STL
19h 08m
1 stop
$337Alaska Airlines
Sun, Sep 6 - Thu, Sep 10
United Airlines Logo
5:10 am - 10:08 am
STL
-
FCA
5h 58m
1 stop
United Airlines Logo
4:08 pm - 11:00 pm
FCA
-
STL
5h 52m
1 stop
$341United Airlines
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
4:40 pm - 9:32 pm
STL
-
FCA
5h 52m
1 stop
United Airlines Logo
12:32 pm - 9:22 pm
FCA
-
STL
7h 50m
1 stop
$342United Airlines
Mon, Aug 24 - Fri, Aug 28
United Airlines Logo
10:23 am - 6:35 pm
STL
-
FCA
9h 12m
1 stop
United Airlines Logo
5:00 pm - 11:43 pm
FCA
-
STL
5h 43m
1 stop
$345United Airlines
Tue, Oct 6 - Tue, Oct 13

American Airlines flights from St. Louis to Kalispell

Our best American Airlines deals on St. Louis to Kalispell flight tickets
American Airlines
May 26
STL6:00 amLambert-St Louis
7h 35m
1 stop
FCA12:35 pmKalispell Glacier Park
Jun 9
FCA12:25 pmKalispell Glacier Park
8h 12m
1 stop
STL9:37 pmLambert-St Louis
$297
American Airlines
Jun 3
STL5:25 amLambert-St Louis
7h 10m
1 stop
FCA11:35 amKalispell Glacier Park
Jun 8
FCA4:45 pmKalispell Glacier Park
6h 09m
1 stop
STL11:54 pmLambert-St Louis
$317
American Airlines
Sep 6
STL8:35 amLambert-St Louis
8h 39m
1 stop
FCA4:14 pmKalispell Glacier Park
Sep 10
FCA3:29 pmKalispell Glacier Park
7h 12m
1 stop
STL11:41 pmLambert-St Louis
$350

United Airlines flights from St. Louis to Kalispell

Our best United Airlines deals on St. Louis to Kalispell flight tickets
United Airlines
Aug 17
STL5:10 amLambert-St Louis
5h 58m
1 stop
FCA10:08 amKalispell Glacier Park
Aug 22
FCA5:00 pmKalispell Glacier Park
5h 50m
1 stop
STL11:50 pmLambert-St Louis
$309
United Airlines
Aug 26
STL5:10 amLambert-St Louis
5h 58m
1 stop
FCA10:08 amKalispell Glacier Park
Aug 29
FCA4:08 pmKalispell Glacier Park
5h 52m
1 stop
STL11:00 pmLambert-St Louis
$341
United Airlines
Aug 24
STL4:40 pmLambert-St Louis
5h 52m
1 stop
FCA9:32 pmKalispell Glacier Park
Aug 28
FCA12:32 pmKalispell Glacier Park
7h 50m
1 stop
STL9:22 pmLambert-St Louis
$342

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Kalispell that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from St. Louis to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 5/26

6:00 am-12:35 pm

1 stop7h 35m

Kalispell Glacier Park

Tue 6/9

12:25 pm-9:37 pm

1 stop8h 12m

$297
Quickest round-trip

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 8/17

5:10 am-10:08 am

1 stop5h 58m

Kalispell Glacier Park

Sat 8/22

5:00 pm-11:50 pm

1 stop5h 50m

$309

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 6/3

5:25 am-11:35 am

1 stop7h 10m

Kalispell Glacier Park

Mon 6/8

4:45 pm-11:54 pm

1 stop6h 09m

$317

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 5/20

6:45 am-5:27 pm

2 stops11h 42m

Kalispell Glacier Park

Sun 5/24

12:20 pm-9:06 pm

1 stop7h 46m

$322

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 5/20

6:45 am-5:27 pm

2 stops11h 42m

Kalispell Glacier Park

Sun 5/24

6:07 pm-8:18 am

2 stops13h 11m

$327

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Thu 4/23

6:45 pm-11:27 pm

1 stop5h 42m

Kalispell Glacier Park

Mon 4/27

12:10 pm-11:13 pm

2 stops10h 03m

$334

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sun 9/6

6:00 am-12:28 pm

1 stop7h 28m

Kalispell Glacier Park

Thu 9/10

6:08 pm-2:16 pm

1 stop19h 08m

$337

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 8/26

5:10 am-10:08 am

1 stop5h 58m

Kalispell Glacier Park

Sat 8/29

4:08 pm-11:00 pm

1 stop5h 52m

$341

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 8/24

4:40 pm-9:32 pm

1 stop5h 52m

Kalispell Glacier Park

Fri 8/28

12:32 pm-9:22 pm

1 stop7h 50m

$342

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 10/6

10:23 am-6:35 pm

1 stop9h 12m

Kalispell Glacier Park

Tue 10/13

5:00 pm-11:43 pm

1 stop5h 43m

$345

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between St. Louis and Kalispell?

What is the cheapest month to fly to Kalispell?

The month of February is, on average, the cheapest month to fly to Kalispell from St. Louis, with most prices found around $280. If you aren’t able to travel to Kalispell during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $288.

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 $402 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 $338 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

Fastest flight time

5h 20m

Direct flights

None
The fastest flight from St. Louis to Kalispell takes 5h 20m
There are no direct flights from St. Louis to Kalispell. There are no popular flight routes from St. Louis to Kalispell.
Search flight deals

Frequently asked questions about flying from St. Louis to Kalispell

  • 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 20m, 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?

  • 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?

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
DeltaPriceFrom $159Free CancellationRating
7.9
8,407 reviews
Search Delta flights
American AirlinesPriceFrom $251Free CancellationRating
7.1
11,569 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,569 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
7.9
12,214 reviews
Search Alaska Airlines flights

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Whitefish
Polson
Columbia Falls
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.

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