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Cheap flights from St. Louis to Kalispell from $257

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Kalispell departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Kalispell

Cheap round-trip flights

Delta Logo
8:53 am - 2:29 pmSTL-FCA
6h 36m1 stop
Delta Logo
3:24 pm - 11:07 pmFCA-STL
6h 43m1 stop
$257Delta
Find Deal
Mon, Nov 3 - Wed, Nov 5
Delta Logo
6:00 am - 5:28 pmSTL-FCA
12h 28m2 stops
Delta Logo
3:24 pm - 11:07 pmFCA-STL
6h 43m1 stop
$262Delta
Find Deal
Tue, Nov 4 - Thu, Nov 6
United Airlines Logo
4:55 pm - 9:44 pmSTL-FCA
5h 49m1 stop
United Airlines Logo
6:10 am - 12:39 pmFCA-STL
5h 29m1 stop
$281United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
United Airlines Logo
4:55 pm - 9:44 pmSTL-FCA
5h 49m1 stop
United Airlines Logo
2:38 pm - 9:54 pmFCA-STL
6h 16m1 stop
$288United Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 7
American Airlines Logo
6:00 am - 12:38 pmSTL-FCA
7h 38m1 stop
American Airlines Logo
1:08 pm - 10:08 pmFCA-STL
8h 00m1 stop
$325American Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Hawaiian Airlines Logo
6:33 am - 12:22 pmSTL-FCA
6h 49m1 stop
Hawaiian Airlines Logo
2:37 pm - 12:03 amFCA-STL
8h 26m1 stop
$367Hawaiian Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Alaska Airlines Logo
3:35 pm - 11:59 pmSTL-FCA
9h 24m1 stop
Alaska Airlines Logo
2:37 pm - 12:03 amFCA-STL
8h 26m1 stop
$368Alaska Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8
American Airlines Logo
8:50 am - 2:23 pmSTL-FCA
6h 33m1 stop
American Airlines Logo
5:23 pm - 11:49 pmFCA-STL
5h 26m1 stop
$389American Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Hawaiian Airlines Logo
6:33 am - 12:22 pmSTL-FCA
6h 49m1 stop
Hawaiian Airlines Logo
2:37 pm - 12:03 amFCA-STL
8h 26m1 stop
$429Hawaiian Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Alaska Airlines Logo
4:14 pm - 11:57 pmSTL-FCA
8h 43m1 stop
Alaska Airlines Logo
1:06 pm - 11:59 pmFCA-STL
9h 53m2 stops
$447Alaska Airlines
Find Deal
Mon, Nov 3 - Thu, Nov 6

Hawaiian Airlines flights from St. Louis to Kalispell

Our best Hawaiian Airlines deals on St. Louis to Kalispell flight tickets
Hawaiian Airlines
Oct 16
STL6:33 amLambert-St Louis
6h 49m
1 stop
FCA12:22 pmKalispell Glacier Park
Oct 19
FCA2:37 pmKalispell Glacier Park
8h 26m
1 stop
STL12:03 amLambert-St Louis
$367
Find similar
Hawaiian Airlines
Oct 16
STL6:33 amLambert-St Louis
6h 49m
1 stop
FCA12:22 pmKalispell Glacier Park
Oct 19
FCA2:37 pmKalispell Glacier Park
8h 26m
1 stop
STL12:03 amLambert-St Louis
$429
Find similar
Hawaiian Airlines
Oct 11
STL6:33 amLambert-St Louis
6h 49m
1 stop
FCA12:22 pmKalispell Glacier Park
Oct 11
FCA2:32 pmKalispell Glacier Park
8h 31m
1 stop
STL12:03 amLambert-St Louis
$540
Find similar

United Airlines flights from St. Louis to Kalispell

Our best United Airlines deals on St. Louis to Kalispell flight tickets
United Airlines
Nov 4
STL4:55 pmLambert-St Louis
5h 49m
1 stop
FCA9:44 pmKalispell Glacier Park
Nov 8
FCA6:10 amKalispell Glacier Park
5h 29m
1 stop
STL12:39 pmLambert-St Louis
$281
Find similar
United Airlines
Nov 4
STL4:55 pmLambert-St Louis
5h 49m
1 stop
FCA9:44 pmKalispell Glacier Park
Nov 7
FCA2:38 pmKalispell Glacier Park
6h 16m
1 stop
STL9:54 pmLambert-St Louis
$288
Find similar
United Airlines
Nov 4
STL10:00 amLambert-St Louis
12h 44m
2 stops
FCA9:44 pmKalispell Glacier Park
Nov 7
FCA2:38 pmKalispell Glacier Park
6h 16m
1 stop
STL9:54 pmLambert-St Louis
$298
Find similar

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 September 17, 2025.
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

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 11/3

8:53 am-2:29 pm

1 stop6h 36m

Kalispell Glacier Park

Wed 11/5

3:24 pm-11:07 pm

1 stop6h 43m

$257

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 11/4

6:00 am-5:28 pm

2 stops12h 28m

Kalispell Glacier Park

Thu 11/6

3:24 pm-11:07 pm

1 stop6h 43m

$262

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 11/4

4:55 pm-9:44 pm

1 stop5h 49m

Kalispell Glacier Park

Sat 11/8

6:10 am-12:39 pm

1 stop5h 29m

$281

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 11/4

4:55 pm-9:44 pm

1 stop5h 49m

Kalispell Glacier Park

Fri 11/7

2:38 pm-9:54 pm

1 stop6h 16m

$288

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 10/25

6:00 am-12:38 pm

1 stop7h 38m

Kalispell Glacier Park

Sat 11/1

1:08 pm-10:08 pm

1 stop8h 00m

$325

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Thu 10/16

6:33 am-12:22 pm

1 stop6h 49m

Kalispell Glacier Park

Sun 10/19

2:37 pm-12:03 am

1 stop8h 26m

$367

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 10/3

3:35 pm-11:59 pm

1 stop9h 24m

Kalispell Glacier Park

Wed 10/8

2:37 pm-12:03 am

1 stop8h 26m

$368

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 10/1

8:50 am-2:23 pm

1 stop6h 33m

Kalispell Glacier Park

Sun 10/5

5:23 pm-11:49 pm

1 stop5h 26m

$389

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Thu 10/16

6:33 am-12:22 pm

1 stop6h 49m

Kalispell Glacier Park

Sun 10/19

2:37 pm-12:03 am

1 stop8h 26m

$429

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 11/3

4:14 pm-11:57 pm

1 stop8h 43m

Kalispell Glacier Park

Thu 11/6

1:06 pm-11:59 pm

2 stops9h 53m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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 April is also cheap. Prices for this month can be found on momondo for an average of $371.

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 $470 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 $375 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.
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  • 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 49m, 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
American AirlinesPriceFrom $251Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $306Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Whitefish
Columbia Falls
Polson
East Glacier Park
Essex
Eureka
Cut Bank

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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