FCA - STL

$305 Find Cheap Flights from Kalispell to St. Louis - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$409
Typical prices: $308-$476
Delta
Mon 12/3Fri 12/7
FCA - STL • 1 stop
Cheapest one-way
$305
Typical prices: $194-$339
Delta
Mon 12/17
FCA - STL • 1 stop
Nonstop flights
There are currently no direct flights between Kalispell and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 40% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $208 (round-trip)
Shortest trip • 5h 42m (one-way)
Insights
Insights
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Flight Deals

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

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

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

Thu, Dec 3 - Mon, Dec 7
Delta Logo
2:30 pm - 11:26 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
7h 56m1 stop Minneapolis St Paul
Delta Logo
6:03 am - 1:06 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
8h 03m1 stop Minneapolis St Paul
$409Delta
Wed, Dec 2 - Mon, Dec 7
Delta Logo
2:30 pm - 11:26 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
7h 56m1 stop Minneapolis St Paul
Delta Logo
6:03 am - 1:06 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
8h 03m1 stop Minneapolis St Paul
$409Delta
Thu, Dec 3 - Mon, Dec 7
Delta Logo
12:28 pm - 11:26 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
9h 58m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
6:03 am - 1:06 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
8h 03m1 stop Minneapolis St Paul
$414Delta
Wed, Dec 2 - Mon, Dec 7
Delta Logo
5:10 am - 1:21 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
7h 11m1 stop Salt Lake City
Delta Logo
12:36 pm - 10:51 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
11h 15m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$414Delta
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
7:00 am - 4:40 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
8h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 am - 12:14 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
7h 10m1 stop Seattle/Tacoma Intl
$436Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Alaska Airlines Logo
7:00 am - 4:40 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
8h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 am - 12:14 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
7h 10m1 stop Seattle/Tacoma Intl
$471Alaska Airlines
Thu, Dec 3 - Sun, Dec 6
Alaska Airlines Logo
1:54 pm - 11:59 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
9h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 am - 12:14 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
7h 10m1 stop Seattle/Tacoma Intl
$479Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:15 am - 12:53 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
5h 38m1 stop Denver Intl
United Airlines Logo
2:50 pm - 9:51 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
8h 01m1 stop Denver Intl
$519United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:15 am - 6:16 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
11h 01m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
8:40 am - 1:36 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
5h 56m1 stop Denver Intl
$524United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:15 am - 5:05 pmFCA  Kalispell Glacier Park-STL Lambert-St Louis
9h 50m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
10:50 am - 9:51 pmSTL  Lambert-St Louis-FCA Kalispell Glacier Park
12h 01m2 stops Chicago O'Hare Intl Denver Intl
$529United 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 with more confidence.

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

Round-trip flights from Kalispell to St. Louis typically range from $308 to $476. The lowest price found in the past 5 days was $409, on Delta.

Key details for Kalispell to St. Louis flights

Low season

November

Cheapest flight

$305
Beat the crowds with an average 67% drop in travelers.
The most popular month to fly with an average 13% increase in travelers.
One-way 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

Your Kalispell to St. Louis flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • 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

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

    A nonstop flight from Kalispell to St. Louis takes 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.

  • 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 $476, with an average of $356 over the past 12 months. Anything below $308 counts as a good deal.

  • 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 $409 to $1,416. That means the highest observed fare was about 3x 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 $673, which is 187% above the typical average for this route.

  • 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 averaging $77 for economy cars. Top options include:

    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • 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).

  • 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) - 36% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 19% of one-stop connections
    • Salt Lake City (SLC) - 17% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 73% on flights from Kalispell to St. Louis. Thursday is the cheapest departure day at $296 round-trip on average, while Tuesday is the most expensive at $1,091, a difference of $795.

    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 Kalispell to St. Louis?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 42m, compared with 6h 20m via Chicago O'Hare Intl (ORD) and 6h 58m 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 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.

Your guide to booking Kalispell to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average $296, about $795 less than Tuesday fares (73% 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 $383 less than the most expensive month, which is March (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.

    • Renaissance St. Louis Airport Hotel
    • Drury Inn & Suites St. Louis Airport
    • Hyatt Select St. Louis Airport

More options for your flight from Kalispell to St. Louis

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