Which airports can I use when flying from Kalispell to St. Louis?

Flights from Kalispell to St. Louis usually depart from Kalispell Glacier Park (FCA) and arrive at Lambert-St Louis (STL).

What cabin classes can I book on flights from Kalispell to St. Louis?

Two cabin classes are available on flights from Kalispell to St. Louis: • Economy Class • First Class

Which airports do connecting flights from Kalispell to St. Louis pass through?

One-stop flights from Kalispell to St. Louis most commonly connect through: • Denver Intl (DEN) - 47% of one-stop connections • Las Vegas Harry Reid Intl (LAS) - 18% of one-stop connections • Salt Lake City (SLC) - 16% of one-stop connections • Chicago O'Hare Intl (ORD) - 11% of one-stop connections Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Kalispell to St. Louis?

Yes. Being flexible with your travel dates can save you up to 52% on the Kalispell to St. Louis route. Thursday is the cheapest departure day at $308 round-trip on average, while Tuesday is the most expensive at $632, a difference of $324. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in St. Louis?

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

How long is a flight from Kalispell to St. Louis?

A nonstop flight from Kalispell to St. Louis takes 0h 00m, covering 1,358 miles.

Do I need a passport to fly from Kalispell to St. Louis?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Kalispell to St. Louis changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $846. That means the highest observed fare was about 2x higher than the lowest one.

How are flight prices from Kalispell to St. Louis looking right now?

One-way fares from Kalispell to St. Louis are currently higher than usual. Average one-way flight prices are about $367, which is 37% above the typical average for this route.

How much time can I save by choosing a different layover airport from Kalispell to St. Louis?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 39m, compared with 6h 20m via Chicago O'Hare Intl (ORD) and 6h 31m via Minneapolis St Paul (MSP).

What is the time difference between Kalispell and St. Louis?

St. Louis is 1 hour ahead of Kalispell (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Lambert-St Louis Airport (STL)?

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

How much should I expect to pay for a Kalispell to St. Louis flight?

Round-trip flights from Kalispell to St. Louis range from $308 to $531, with an average of $357 over the past 12 months. Anything below $308 counts as a good deal.

What is the cheapest airline to fly from Kalispell to St. Louis?

Delta ($379) and United Airlines ($379) are the cheapest airlines to fly round-trip from Kalispell to St. Louis according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Kalispell to St. Louis?

Denver Intl (DEN) is the most popular layover for the Kalispell to St. Louis route. 47% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.

What is the cheapest layover airport when flying from Kalispell to St. Louis?

Flights via Las Vegas Harry Reid Intl (LAS) offer the most affordable fares, with an average round-trip price of $208. Based on KAYAK data over the past 3 months.

When flying from Kalispell to St. Louis which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Kalispell to St. Louis layovers at 196 minutes over the past 3 months.

$379 CHEAP FLIGHTS from Kalispell to St. Louis (FCA - STL)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$379

Typical prices: $308-$531

Delta

Thu 10/25Mon 10/29

FCA - STL • 1 stop

Cheapest one-way

$180

Typical prices: $194-$388

United Airlines

Sat 12/8

FCA - STL • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Kalispell and St. Louis. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 40% price drop

September

Most popular

Good to know

Top layover airports

Las Vegas Harry Reid Intl (LAS)

Cheapest • Avg $208 (round-trip)

Denver Intl (DEN)

Shortest trip • 5h 39m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from Kalispell to St. Louis (FCA-STL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Kalispell to St. Louis

Fri, Oct 23 - Sat, Oct 24

6:13 pm - 12:44 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 31m1 stop Salt Lake City

5:00 pm - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 57m1 stop Salt Lake City

$379Delta

Wed, Oct 21 - Wed, Oct 28

6:13 pm - 12:44 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 31m1 stop Salt Lake City

9:47 am - 2:41 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

5h 54m1 stop Minneapolis St Paul

$379Delta

Fri, Oct 2 - Tue, Oct 6

12:26 pm - 9:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 55m1 stop Chicago O'Hare Intl

7:08 am - 3:16 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

9h 08m1 stop San Francisco

$379United Airlines

Fri, Oct 23 - Mon, Oct 26

12:26 pm - 9:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 55m1 stop Chicago O'Hare Intl

4:39 pm - 9:51 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 12m1 stop Denver Intl

$379United Airlines

Mon, Oct 26 - Wed, Oct 28

3:36 pm - 11:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 45m1 stop Minneapolis St Paul

9:47 am - 2:41 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

5h 54m1 stop Minneapolis St Paul

$379Delta

Fri, Oct 23 - Wed, Oct 28

3:36 pm - 11:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 45m1 stop Minneapolis St Paul

9:47 am - 2:41 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

5h 54m1 stop Minneapolis St Paul

$379Delta

Fri, Oct 2 - Tue, Oct 6

2:30 pm - 8:36 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 06m1 stop Denver Intl

11:35 am - 9:36 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

11h 01m2 stops Chicago O'Hare Intl Denver Intl

$384United Airlines

Mon, Oct 26 - Fri, Oct 30

2:03 pm - 11:59 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

8h 56m1 stop Seattle/Tacoma Intl

4:42 pm - 10:59 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

7h 17m1 stop Seattle/Tacoma Intl

$484Alaska Airlines

Fri, Oct 23 - Sun, Oct 25

1:58 pm - 8:57 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 59m1 stop Chicago O'Hare Intl

7:29 am - 1:27 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 58m1 stop Chicago O'Hare Intl

$489American Airlines

Wed, Oct 21 - Fri, Oct 23

2:12 pm - 8:57 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 45m1 stop Chicago O'Hare Intl

7:29 am - 1:27 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 58m1 stop Chicago O'Hare Intl

$489American Airlines

Recent last minute flight deals from Kalispell to St. Louis

Fri, Sep 25 - Fri, Oct 2

6:00 pm - 12:44 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 44m1 stop Salt Lake City

6:15 am - 1:25 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 10m1 stop Minneapolis St Paul

$439Delta

Fri, Sep 25 - Sat, Oct 3

6:35 am - 3:12 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 37m1 stop Minneapolis St Paul

6:15 am - 1:25 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 10m1 stop Minneapolis St Paul

$439Delta

Fri, Sep 25 - Sat, Oct 3

6:00 pm - 12:44 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 44m1 stop Salt Lake City

10:40 am - 8:18 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

10h 38m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$444Delta

Thu, Sep 24 - Fri, Oct 2

6:00 pm - 12:44 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 44m1 stop Salt Lake City

6:15 am - 1:25 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 10m1 stop Minneapolis St Paul

$450Delta

Wed, Sep 23 - Fri, Oct 2

6:15 am - 2:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 06m1 stop Seattle/Tacoma Intl

3:19 pm - 8:43 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 24m1 stop Seattle/Tacoma Intl

$490Alaska Airlines

Thu, Sep 24 - Wed, Sep 30

1:34 pm - 8:44 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 10m1 stop Chicago O'Hare Intl

5:00 am - 12:44 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 44m1 stop Chicago O'Hare Intl

$510American Airlines

Thu, Sep 24 - Wed, Sep 30

3:26 pm - 11:43 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 17m1 stop Dallas/Fort Worth

5:00 am - 2:33 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

10h 33m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$515American Airlines

Fri, Sep 25 - Fri, Oct 2

10:45 am - 10:59 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

11h 14m2 stops Denver Intl Chicago O'Hare Intl

8:00 am - 10:32 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

15h 32m2 stops Chicago O'Hare Intl Los Angeles

$559United Airlines

Fri, Sep 25 - Sat, Oct 3

10:45 am - 10:59 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

11h 14m2 stops Denver Intl Chicago O'Hare Intl

7:30 am - 9:36 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

15h 06m2 stops Newark Denver Intl

$559United Airlines

Wed, Sep 23 - Fri, Oct 2

12:35 pm - 9:38 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

8h 03m1 stop Chicago O'Hare Intl

11:35 am - 10:32 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

11h 57m2 stops Chicago O'Hare Intl Los Angeles

$565United Airlines

Booking Insights

Price, demand and travel trends for Kalispell to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Kalispell to St. Louis with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Kalispell to St. Louis?

Round-trip flights from Kalispell to St. Louis start at $379. Prices are typical for this route right now, with typical round-trip fares ranging from $308 to $531. The lowest price found in the past 5 days was $379 on Delta.

What's the cheapest day of the week to fly from Kalispell to St. Louis?

Thursday is the cheapest day of the week to fly from Kalispell to St. Louis, it is 14% cheaper than the average day. Tuesday is the most expensive day with flight prices 77% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	August
High season	September
Cheapest flight	$180

Best time to beat the crowds but there is an average 14% increase in price.

Most popular time to fly with an average 48% increase in price.

Flight from Kalispell to St. Louis

When to book flights from Kalispell to St. Louis

Are your dates flexible? Find out the best times to travel from Kalispell to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Kalispell to St. Louis?
Flights from Kalispell to St. Louis usually depart from Kalispell Glacier Park (FCA) and arrive at Lambert-St Louis (STL).
What cabin classes can I book on flights from Kalispell to St. Louis?
Two cabin classes are available on flights from Kalispell to St. Louis:

• Economy Class
• First Class
Which airports do connecting flights from Kalispell to St. Louis pass through?
One-stop flights from Kalispell to St. Louis most commonly connect through:

• Denver Intl (DEN) - 47% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 18% of one-stop connections
• Salt Lake City (SLC) - 16% of one-stop connections
• Chicago O'Hare Intl (ORD) - 11% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Kalispell to St. Louis?
Yes. Being flexible with your travel dates can save you up to 52% on the Kalispell to St. Louis route. Thursday is the cheapest departure day at $308 round-trip on average, while Tuesday is the most expensive at $632, a difference of $324. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in St. Louis?
Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.
How long is a flight from Kalispell to St. Louis?
A nonstop flight from Kalispell to St. Louis takes 0h 00m, covering 1,358 miles.
Do I need a passport to fly from Kalispell to St. Louis?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Kalispell to St. Louis changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $846. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from Kalispell to St. Louis looking right now?
One-way fares from Kalispell to St. Louis are currently higher than usual. Average one-way flight prices are about $367, which is 37% above the typical average for this route.
How much time can I save by choosing a different layover airport from Kalispell to St. Louis?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 39m, compared with 6h 20m via Chicago O'Hare Intl (ORD) and 6h 31m via Minneapolis St Paul (MSP).
What is the time difference between Kalispell and St. Louis?
St. Louis is 1 hour ahead of Kalispell (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Lambert-St Louis Airport (STL)?
Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless
How much should I expect to pay for a Kalispell to St. Louis flight?
Round-trip flights from Kalispell to St. Louis range from $308 to $531, with an average of $357 over the past 12 months. Anything below $308 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $308 - about $324 less than Tuesday (51% savings) based on the last 12 months.
If you can choose when to travel, plan your Kalispell to St. Louis trip for January. Fares historically average $215 round-trip in that month - typically $417 less than the most expensive month, which is November (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
- Drury Inn & Suites St. Louis Airport
- Renaissance St. Louis Airport Hotel
- DoubleTree by Hilton St. Louis Airport

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FCA - STL

$379 Find Cheap Flights from Kalispell to St. Louis - Compare and Save

Everything you should know

Cheap Flights from Kalispell to St. Louis (FCA-STL)

Recent round-trip flight deals from Kalispell to St. Louis

Recent one-way flight deals from Kalispell to St. Louis

Recent last minute flight deals from Kalispell to St. Louis

Price, demand and travel trends for Kalispell to St. Louis flights

How much is a round-trip flight from Kalispell to St. Louis?

What's the cheapest day of the week to fly from Kalispell to St. Louis?

What is the cheapest airline to fly from Kalispell to St. Louis?

What is the most popular layover airport when flying from Kalispell to St. Louis?

What is the cheapest layover airport when flying from Kalispell to St. Louis?

When flying from Kalispell to St. Louis which airport offers the shortest layover?

Key details for Kalispell to St. Louis flights

Low season

High season

Cheapest flight

When to book flights from Kalispell to St. Louis

Your Kalispell to St. Louis flight questions, answered

Your guide to booking Kalispell to St. Louis flights

More options for your flight from Kalispell to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Kalispell to St. Louis

Find direct flights to and from Kalispell and St. Louis

Flights from domestic origins to St. Louis

Flights to other popular destinations

Find deals for your return flight