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

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

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

Only Economy Class is available on flights from St. Louis to Kalispell.

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

One-stop flights from St. Louis to Kalispell most commonly connect through: • Denver Intl (DEN) - 40% of one-stop connections • Chicago O'Hare Intl (ORD) - 31% of one-stop connections • Seattle/Tacoma Intl (SEA) - 10% of one-stop connections • Minneapolis St Paul (MSP) - 9% of one-stop connections

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

Yes. Flexible dates can save you up to 32% on flights from St. Louis to Kalispell. Monday is the cheapest departure day at $368 round-trip on average, while Thursday is the most expensive at $540, a difference of $172. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How expensive are last-minute St. Louis to Kalispell flights?

Last-minute fares on this route (booked within two weeks of departure) are 2% below the route average of $461. Booking late can sometimes save you money, but inventory is limited.

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

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

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

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 St. Louis to Kalispell 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 $399 to $1,050. That means the highest observed fare was about 3x higher than the lowest one.

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

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 44m, compared with 5h 53m via Salt Lake City (SLC) and 6h 24m via Dallas/Fort Worth (DFW).

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

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

What car rental options are available at Kalispell Glacier Park Airport (FCA)?

Kalispell Glacier Park Airport (FCA) hosts 5 major car rental companies, with daily rates starting from around $21 for economy cars. Top options include: • Avis • Budget • Enterprise Rent-A-Car • Movly • Payless

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

Round-trip flights from St. Louis to Kalispell range from $363 to $563, with an average of $461 over the past 12 months. Anything below $363 counts as a good deal.

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

Round-trip flights from St. Louis to Kalispell typically range from $363 to $563. The lowest price found in the past 5 days was $379, on Alaska Airlines.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Kalispell. It’s 21% cheaper than the average day, while Thursday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from St. Louis to Kalispell?

•December is the cheapest month to fly from St. Louis to Kalispell at $307 round-trip. •July ($787) and January ($521) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 156% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Kalispell the cheapest?

Flights from St. Louis to Kalispell are cheapest 3 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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

Alaska Airlines ($379) and Delta ($399) are the cheapest airlines to fly round-trip from St. Louis to Kalispell according to KAYAK data over the last 5 days.

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

Denver Intl (DEN) is the most popular layover for the St. Louis to Kalispell route. 40% 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 St. Louis to Kalispell?

Flights via Dallas/Fort Worth (DFW) offer the most affordable fares, with an average round-trip price of $320. Based on KAYAK data over the past 3 months.

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

Salt Lake City (SLC) had the shortest average connection time for St. Louis to Kalispell layovers at 3h 21m over the past 3 months.

$291 CHEAP FLIGHTS from St. Louis to Kalispell (STL - FCA)

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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: $363-$563

Alaska Airlines

Fri 1/12Sat 1/13

STL - FCA • 1 stop

Nonstop flights

Not available

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

Insights

When to book

3 weeks

in advance

Our data shows that travelers who book at least 3 weeks in advance save around 33% compared to booking last minute.

Insights

When to travel

December

Cheapest • 33% price drop

July

Most popular

Good to know

Top layover airports

Dallas/Fort Worth (DFW)

Cheapest • Avg $320 (round-trip)

Denver Intl (DEN)

Shortest trip • 5h 44m (one-way)

Insights

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

We hope you love your trip to Kalispell!

Flight Deals

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

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 St. Louis to Kalispell

Tue, Jan 12 - Wed, Jan 13

3:54 pm - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 03m1 stop Seattle/Tacoma Intl

7:00 am - 2:56 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 56m1 stop Seattle/Tacoma Intl

$379Alaska Airlines

Sun, Jan 10 - Thu, Jan 14

6:30 am - 12:29 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 59m1 stop Minneapolis St Paul

5:25 am - 1:23 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 58m1 stop Salt Lake City

$399Delta

Mon, Jan 11 - Fri, Jan 15

3:10 pm - 9:52 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

7h 42m1 stop Denver Intl

12:46 pm - 9:37 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 51m1 stop Chicago O'Hare Intl

$399United Airlines

Fri, Oct 30 - Tue, Nov 3

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

6h 12m1 stop Denver Intl

2:36 pm - 8:59 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 23m1 stop Denver Intl

$399United Airlines

Mon, Apr 12 - Thu, Apr 15

6:30 am - 12:29 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 59m1 stop Minneapolis St Paul

6:10 pm - 12:36 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 26m1 stop Salt Lake City

$399Delta

Sat, Apr 3 - Fri, Apr 9

7:30 am - 12:44 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

6h 14m1 stop Salt Lake City

6:10 pm - 12:36 amFCA Kalispell Glacier Park-STL Lambert-St Louis

5h 26m1 stop Salt Lake City

$399Delta

Mon, Jan 11 - Fri, Jan 15

9:05 am - 6:27 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

10h 22m2 stops Chicago O'Hare Intl Denver Intl

12:46 pm - 9:37 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

7h 51m1 stop Chicago O'Hare Intl

$404United Airlines

Sat, Jan 9 - Wed, Jan 13

3:54 pm - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 03m1 stop Seattle/Tacoma Intl

7:00 am - 2:56 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 56m1 stop Seattle/Tacoma Intl

$416Alaska Airlines

Mon, Jan 11 - Tue, Jan 12

3:54 pm - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 03m1 stop Seattle/Tacoma Intl

7:00 am - 2:56 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 56m1 stop Seattle/Tacoma Intl

$416Alaska Airlines

Sat, Jan 9 - Tue, Jan 12

3:54 pm - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

8h 03m1 stop Seattle/Tacoma Intl

7:00 am - 2:56 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

6h 56m1 stop Seattle/Tacoma Intl

$416Alaska Airlines

Recent last minute flight deals from St. Louis to Kalispell

Tue, Oct 20 - Fri, Oct 23

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

6h 58m1 stop Chicago O'Hare Intl

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

5h 59m1 stop Chicago O'Hare Intl

$521American Airlines

Tue, Oct 20 - Thu, Oct 22

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

5h 54m1 stop Minneapolis St Paul

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

5h 31m1 stop Salt Lake City

$521Delta

Tue, Oct 20 - Thu, Oct 22

10:14 am - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

13h 43m2 stops Atlanta Hartsfield-Jackson Salt Lake City

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

6h 45m1 stop Minneapolis St Paul

$526Delta

Tue, Oct 20 - Fri, Oct 23

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

5h 54m1 stop Minneapolis St Paul

12:28 pm - 11:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

9h 53m2 stops Salt Lake City Minneapolis St Paul

$526Delta

Fri, Oct 23 - Mon, Oct 26

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

7h 17m1 stop Seattle/Tacoma Intl

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

8h 56m1 stop Seattle/Tacoma Intl

$530Alaska Airlines

Tue, Oct 20 - Fri, Oct 23

12:28 pm - 10:57 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

11h 29m2 stops Minneapolis St Paul Salt Lake City

12:28 pm - 11:54 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

10h 26m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$531Delta

Fri, Oct 23 - Mon, Oct 26

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

7h 17m1 stop Seattle/Tacoma Intl

7:45 pm - 9:18 amFCA Kalispell Glacier Park-STL Lambert-St Louis

12h 33m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$581Alaska Airlines

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:33 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

12h 33m2 stops Atlanta Hartsfield-Jackson Salt Lake City

12:28 pm - 11:21 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

9h 53m2 stops Salt Lake City Minneapolis St Paul

$610Delta

Fri, Oct 23 - Mon, Oct 26

1:29 pm - 9:36 pmSTL Lambert-St Louis-FCA Kalispell Glacier Park

9h 07m2 stops Chicago O'Hare Intl Denver Intl

6:14 am - 3:43 pmFCA Kalispell Glacier Park-STL Lambert-St Louis

8h 29m2 stops Denver Intl Chicago O'Hare Intl

$688United Airlines

Booking Insights

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

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

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Kalispell? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Kalispell departing in january.
What's the cheapest day of the week to fly from St. Louis to Kalispell?: Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Kalispell. It’s 21% cheaper than the average day, while Thursday is the most expensive, with prices 17% higher.
What’s the cheapest month to fly from St. Louis to Kalispell? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from St. Louis to Kalispell, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •December is the cheapest month to fly from St. Louis to Kalispell at $307 round-trip.
•July ($787) and January ($521) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 156% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are flights from St. Louis to Kalispell the cheapest?: Flights from St. Louis to Kalispell are cheapest 3 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	February
High season	July
Cheapest flight	$379

Beat the crowds with an average 77% drop in travelers.

The most popular month to fly with an average 114% increase in travelers.

Round-trip flight from St. Louis to Kalispell

When to book flights from St. Louis to Kalispell

Are your dates flexible? Find out the best times to travel from St. Louis to Kalispell 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.

What cabin classes can I book on flights from St. Louis to Kalispell?
Only Economy Class is available on flights from St. Louis to Kalispell.
How long is a flight from St. Louis to Kalispell?
A nonstop flight from St. Louis to Kalispell takes 00m, covering 1,358 miles.
Do I need a passport to fly from St. Louis to Kalispell?
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.
How much should I expect to pay for a St. Louis to Kalispell flight?
Round-trip flights from St. Louis to Kalispell range from $363 to $563, with an average of $461 over the past 12 months. Anything below $363 counts as a good deal.
How expensive are last-minute St. Louis to Kalispell flights?
Last-minute fares on this route (booked within two weeks of departure) are 2% below the route average of $461. Booking late can sometimes save you money, but inventory is limited.
Have flight prices from St. Louis to Kalispell 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 $399 to $1,050. That means the highest observed fare was about 3x higher than the lowest one.
What car rental options are available at Kalispell Glacier Park Airport (FCA)?
Kalispell Glacier Park Airport (FCA) hosts 5 major car rental companies, with daily rates starting from around $21 for economy cars. Top options include:

• Avis
• Budget
• Enterprise Rent-A-Car
• Movly
• Payless
Which airports can I use when flying from St. Louis to Kalispell?
Flights from St. Louis to Kalispell usually depart from Lambert-St Louis (STL) and arrive at Kalispell Glacier Park (FCA).
Which airports do connecting flights from St. Louis to Kalispell pass through?
One-stop flights from St. Louis to Kalispell most commonly connect through:

• Denver Intl (DEN) - 40% of one-stop connections
• Chicago O'Hare Intl (ORD) - 31% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 10% of one-stop connections
• Minneapolis St Paul (MSP) - 9% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Kalispell?
Yes. Flexible dates can save you up to 32% on flights from St. Louis to Kalispell. Monday is the cheapest departure day at $368 round-trip on average, while Thursday is the most expensive at $540, a difference of $172.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from St. Louis to Kalispell?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 44m, compared with 5h 53m via Salt Lake City (SLC) and 6h 24m via Dallas/Fort Worth (DFW).
What is the time difference between St. Louis and Kalispell?
Kalispell is 1 hour behind St. Louis (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $368, about $172 less than Thursday fares (32% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your St. Louis to Kalispell trip for December. Fares historically average $307 round-trip in that month - typically $480 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Kalispell Glacier Park Airport.

• Glacier International Lodge

More options for your flight from St. Louis to Kalispell

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STL - FCA

$291 Find Cheap Flights from St. Louis to Kalispell - Compare and Save

Everything you should know

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

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

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

Recent last minute flight deals from St. Louis to Kalispell

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

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

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

What’s the cheapest month to fly from St. Louis to Kalispell?

When are flights from St. Louis to Kalispell the cheapest?

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

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

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

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

Key details for St. Louis to Kalispell flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Kalispell

Your St. Louis to Kalispell flight questions, answered

Your guide to booking St. Louis to Kalispell flights

More options for your flight from St. Louis to Kalispell

Complete your trip to Kalispell with a hotel stay or car rental

Information on your arrival and departure airports

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

Find direct flights to and from St. Louis and Kalispell

Flights from domestic origins to Kalispell

Flights to other popular destinations

Find deals for your return flight