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CA $224 Cheap Flights from St. Louis (STL) to Kalispell (FCA)

View CA $224 flight on Mon, Sep 7, 2026Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Glacier Park Intl. Airport (FCA)

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Cheap flights from St. Louis (STL) to Kalispell (FCA)

Prices were available within the past 7 days and start at CA $224 for one-way flights and CA $559 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $559 Roundtrip, found 2 days ago
CA $559
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $559 found 2 days ago
Alaska Airlines
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $630 Roundtrip, found 2 days ago
CA $630
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $630 found 2 days ago
Alaska Airlines
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $672 Roundtrip, found 2 days ago
CA $672
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $672 found 2 days ago
Alaska Airlines
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $749 Roundtrip, found 2 days ago
CA $749
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $749 found 2 days ago
Alaska Airlines
Mon, Dec 14 - Thu, Dec 31
STL
St. Louis
FCA
Kalispell
CA $783 Roundtrip, just found
CA $783
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Dec 14 from St. Louis to Kalispell, returning Thu, Dec 31, priced at CA $783 just found
Alaska Airlines
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $812 Roundtrip, found 2 days ago
CA $812
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $812 found 2 days ago
Delta
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $819 Roundtrip, found 2 days ago
CA $819
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $819 found 2 days ago
Alaska Airlines
Mon, Dec 14 - Thu, Dec 31
STL
St. Louis
FCA
Kalispell
CA $852 Roundtrip, just found
CA $852
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Dec 14 from St. Louis to Kalispell, returning Thu, Dec 31, priced at CA $852 just found
Alaska Airlines
Mon, Dec 14 - Thu, Dec 31
STL
St. Louis
FCA
Kalispell
CA $877 Roundtrip, just found
CA $877
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Dec 14 from St. Louis to Kalispell, returning Thu, Dec 31, priced at CA $877 just found
United
Sun, Dec 13 - Mon, Dec 14
STL
St. Louis
FCA
Kalispell
CA $919 Roundtrip, found 2 days ago
CA $919
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 13 from St. Louis to Kalispell, returning Mon, Dec 14, priced at CA $919 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Kalispell (FCA)

December is typically the cheapest month to fly

From CA $427 - CA $1,525 per traveller.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) cost?
You can find cheap one-way flights from CA $224 and cheap return flights from CA $559 STL to FCA with Expedia. One-way flights typically cost between CA$205 and CA$910. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when STL to FCA ticket fares go up or down.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
January is typically the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.), with average return fares around CA$456. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) include April and November.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
Enter STL to FCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.), with prices starting from around CA$354 for flights that can be booked for departure within the next year. These flights typically include a layover in O'Hare Intl. (ORD). Prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The cheapest months to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) are typically January and April, with average prices around CA$456 for a return flight. May is a popular month for this route, meaning you'll find plenty of flight options. If you're looking for the best balance of good fares and a wide selection of flights, consider travelling in April, as it offers good value before the peak summer travel season.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
There are approximately 39 connecting flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.). Some common connection points include O'Hare Intl., Seattle - Tacoma Intl., and Portland Intl.
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) on a Friday, with around 32 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and Delta. Flight options are notably more plentiful on Fridays compared to other days of the week, offering you more flexibility.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and United, offer flights during this window. Many travellers prefer these times because it allows for an early start to their journey, giving them more time to enjoy their destination upon arrival.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
There are no nonstop flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.). For flights with one stop, you can expect the journey to take around 6 hours. If your flight has two or more stops, the travel time typically increases to about 11 hours 18 minutes. The distance between these two airports is approximately 2187 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
Yes, you can fly business class or first class between STL and FCA. You can fly business class with Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kalispell, MT (FCA) from St. Louis, MO (STL)?
If you're planning to travel to Kalispell from Lambert-St. Louis Intl. (STL), you can fly directly into Glacier Park Intl. (FCA). Some flights may connect through major hubs like O'Hare Intl. (ORD), Seattle - Tacoma Intl. (SEA), or Portland Intl. (PDX) before reaching Kalispell. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Glacier Park Intl.
Roundtrip price
CA $559
Distance
2174 km

Book with confidence

St. Louis to Kalispell Flights

The easy way to book your flights from St. Louis to Kalispell 

With Expedia, it’s simple to find and book flights to Kalispell from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Glacier Park Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Kalispell today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Glacier Park Intl., FCA 

Sort your search results by price to find great deals on your flight from St. Louis to Kalispell—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kalispell from St. Louis currently is just CA $559 rising to CA $919.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kalispell  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kalispell from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kalispell with Expedia today.

St. Louis to Kalispell Flights

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