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Kalispell

$158+ Cheap flights from St. Louis to Kalispell (STL - FCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FCA
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Lambert-St Louis to Kalispell Glacier Park are usually found in December or January, booked 22 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from St. Louis to Kalispell

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kalispell (FCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$304
(Alaska Airlines)

One-way from

$158
(United Airlines)

Popular in

November

Cheapest in

December

Average price

$581
Provider with most accurate pricing for Lambert-St Louis-Kalispell Glacier Park flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Kalispell Glacier Park flights.
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From Lambert-St Louis to Kalispell Glacier Park
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One-way flight from Lambert-St Louis to Kalispell Glacier Park
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from St. Louis to Kalispell

Cheapest flights from St. Louis to Kalispell
Explore the most affordable flight options available from St. Louis to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/256:44 amSTL - FCA
1 stop9h 20mAlaska Airlines
Wed 4/23:44 pmFCA - STL
1 stop7h 15mAlaska Airlines
Deal found 3/3$304
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/265:00 pmSTL - FCA
1 stop8h 30mDelta
Tue 4/15:25 amFCA - STL
1 stop6h 58mDelta
Deal found 3/3$305
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/296:30 amSTL - FCA
1 stop6h 31mUnited Airlines
Wed 4/22:28 pmFCA - STL
1 stop6h 22mUnited Airlines
Deal found 3/3$431
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/178:35 amSTL - FCA
1 stop8h 34mAmerican Airlines
Tue 6/2411:44 amFCA - STL
1 stop8h 15mAmerican Airlines
Deal found 3/3$439
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1912:15 pmSTL - FCA
3 stops33h 43mMultiple Airlines
Sun 4/2712:40 pmFCA - STL
3 stops30h 30mMultiple Airlines
Deal found 3/3$445

Find flights from St. Louis to Kalispell within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.

Fly from

St. Louis

Fly to

Kalispell

Route

Depart

Return

Price

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 3/25

6:44 am-3:04 pm

1 stop9h 20m

Kalispell Glacier Park

Wed 4/2

3:44 pm-11:59 pm

1 stop7h 15m

$304

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Wed 3/26

5:00 pm-12:30 am

1 stop8h 30m

Kalispell Glacier Park

Tue 4/1

5:25 am-1:23 pm

1 stop6h 58m

$305

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 3/29

6:30 am-12:01 pm

1 stop6h 31m

Kalispell Glacier Park

Wed 4/2

2:28 pm-9:50 pm

1 stop6h 22m

$431

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 6/17

8:35 am-4:09 pm

1 stop8h 34m

Kalispell Glacier Park

Tue 6/24

11:44 am-8:59 pm

1 stop8h 15m

$439

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 4/19

12:15 pm-8:58 pm

3 stops33h 43m

Kalispell Glacier Park

Sun 4/27

12:40 pm-8:10 pm

3 stops30h 30m

$445

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 8/16

1:30 pm-9:50 pm

2 stops9h 20m

$158

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 7/8

2:18 pm-11:48 pm

2 stops10h 30m

$195

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 7/8

8:35 am-4:09 pm

1 stop8h 34m

$250

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 7/8

7:32 pm-11:59 pm

1 stop29h 27m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Compare providers for flights from St. Louis to Kalispell

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Kalispell in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Kalispell flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Kalispell flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Kalispell flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Kalispell flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Kalispell flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Kalispell

Have a flexible travel schedule? Discover the best time to fly to Kalispell from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Kalispell

Get recent, data-driven insights about flights from St. Louis to Kalispell including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Kalispell?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Kalispell. Price data was last updated on February 28, 2025.

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Kalispell. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from St. Louis to Kalispell?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Kalispell (average of $373). Flying from St. Louis to Kalispell in July is currently the most expensive (average of $637). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to FCA?

Find hourly flight availability from St. Louis to Kalispell. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 3, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from St. Louis to Kalispell by exploring options for tickets in the afternoon.

Rainfall in Kalispell by month

Plan your trip to Kalispell by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kalispell ranges from 1.0 - 2.6 inches per month. June is typically the wettest month, when rainfall can reach 2.6 in. February is typically the driest time to visit Kalispell when rainfall is around 1.0 in.

Temperature in Kalispell by month

Plan your trip to Kalispell by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kalispell, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Kalispell

Get insights into the airlines that provide service to Kalispell. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kalispell. Reviews last updated March 3, 2025.
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,713 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,070 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,679 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,713 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kalispell. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Kalispell round-trip?

    Currently priced at $304, Alaska Airlines will fly you from St. Louis to Kalispell and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $305 and $431, respectively. Alaska Airlines is currently priced 42% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Kalispell one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $158. Users have also found prices from $195 and $250 on Delta and American Airlines, respectively.

  • Can I find deals for flights from St. Louis to Kalispell that include hotel bookings?

    Yes. In addition to deals on St. Louis to Kalispell flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Kalispell?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Kalispell.

  • Can I find deals for business class flights from St. Louis to Kalispell?

    Yes. Cheapflights offers flight deals from St. Louis to Kalispell by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Kalispell?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Kalispell (average of $373). Flying from St. Louis to Kalispell in July is currently the most expensive (average of $637). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
East Glacier Park
Polson

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Top 4 airlines flying from St. Louis to Kalispell

Discover the top 4 airlines that operate flights from St. Louis to Kalispell. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$303Average$486FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$311Average$551FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$369Average$618FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$378Average$586FlexibilityNo cancel feeOn-time71%
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