Kalispell

$149+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FCA
Jul 10 — Jul 171
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Cheap 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 June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:21 pm
STL
-
FCA
1 stop14h 43m
Multiple Airlines
Mon 8/3112:14 pm
FCA
-
STL
1 stop28h 54m
Multiple Airlines
Deal found 6/8$285
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 9/285:01 am
STL
-
FCA
1 stop8h 43m
American Airlines
Thu 10/11:34 pm
FCA
-
STL
1 stop6h 10m
American Airlines
Deal found 6/9$297
This Delta deal was found by Cheapflights users on 6/7. 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 8/55:34 pm
STL
-
FCA
1 stop7h 22m
Delta
Thu 8/66:20 am
FCA
-
STL
1 stop7h 50m
Delta
Deal found 6/7$303
This Delta deal was found by Cheapflights users on 6/5. 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 8/195:42 pm
STL
-
FCA
1 stop7h 14m
Delta
Tue 8/256:20 am
FCA
-
STL
1 stop7h 50m
Delta
Deal found 6/5$317
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 8/195:42 am
STL
-
FCA
1 stop6h 54m
American Airlines
Tue 8/253:50 pm
FCA
-
STL
1 stop6h 52m
American Airlines
Deal found 6/8$338
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 9/285:01 am
STL
-
FCA
2 stops10h 32m
American Airlines
Tue 9/291:02 pm
FCA
-
STL
2 stops10h 25m
American Airlines
Deal found 6/9$348
This Delta deal was found by Cheapflights users on 6/7. 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 8/55:34 pm
STL
-
FCA
1 stop7h 22m
Delta
Wed 8/126:20 am
FCA
-
STL
1 stop7h 50m
Delta
Deal found 6/7$363
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 8/1111:00 am
STL
-
FCA
2 stops12h 53m
Delta
Wed 8/196:20 am
FCA
-
STL
1 stop7h 50m
Delta
Deal found 6/9$368
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/115:42 am
STL
-
FCA
1 stop6h 54m
American Airlines
Mon 8/173:24 pm
FCA
-
STL
1 stop7h 18m
American Airlines
Deal found 6/5$370
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 8/215:42 am
STL
-
FCA
1 stop6h 54m
American Airlines
Fri 8/284:50 pm
FCA
-
STL
1 stop6h 24m
American Airlines
Deal found 6/9$379
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 8/45:42 pm
STL
-
FCA
1 stop7h 14m
Delta
Wed 8/123:14 pm
FCA
-
STL
1 stop7h 12m
Delta
Deal found 6/5$383

Find 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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Kiwi.com)

One-way from

$149
(Delta)

Popular in

July

Cheapest in

February

Average price

$424
Provider with most accurate pricing for Lambert-St Louis-Kalispell Glacier Park flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Kalispell Glacier Park flights.
From Lambert-St Louis to Kalispell Glacier Park
One-way flight from Lambert-St Louis to Kalispell Glacier Park
Highest demand for flights based on searches. 22% potential increase in price ($118 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
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 June 10, 2026.
Use the filters below to find and compare flights from St. Louis to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Fri 8/21

8:48 am-5:29 pm

2 stops9h 41m

Kalispell Glacier Park

Fri 8/28

6:09 pm-12:41 am

1 stop5h 32m

$463

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 7/27

6:00 am-11:29 am

1 stop6h 29m

Kalispell Glacier Park

Mon 8/3

5:28 pm-11:57 pm

1 stop5h 29m

$590

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 8/1

7:56 pm-10:52 am

1 stop15h 56m

Kalispell Glacier Park

Tue 8/11

4:34 pm-11:59 pm

1 stop6h 25m

$610

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 8/25

10:16 am-10:56 pm

2 stops13h 40m

Kalispell Glacier Park

Sun 8/30

8:01 pm-9:24 am

2 stops12h 23m

$630
Quickest round-trip

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Sat 8/1

4:45 pm-9:47 pm

1 stop6h 02m

Kalispell Glacier Park

Tue 8/4

5:28 pm-11:57 pm

1 stop5h 29m

$684
Cheapest one-way

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Tue 8/11

5:34 pm-11:56 pm

1 stop7h 22m

$149
Quickest one-way

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Thu 8/6

5:10 am-10:01 am

1 stop5h 51m

$265

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Thu 8/6

3:41 pm-9:18 am

2 stops18h 37m

$282

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 7/6

6:21 am-11:13 am

1 stop5h 52m

$418

St. LouisKalispell

STL - FCA

STLFCA

Lambert-St Louis

Mon 7/6

6:00 am-11:29 am

1 stop6h 29m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Kalispell

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

Booking 39 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, February is the cheapest month in which you can book a flight from St. Louis to Kalispell (average of $280). Flying from St. Louis to Kalispell in July is currently the most expensive (average of $713). 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.

How much does it cost to fly round-trip from St. Louis to Kalispell?

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 June 10, 2026.
Read through reviews of airlines operating flights from St. Louis to Kalispell, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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

    There are many flights that can get you from St. Louis to Kalispell in 6h 29m. Fly via Delta or United Airlines to get the fastest option. The distance from St. Louis to Kalispell is about 1358 mi. This flight may include one or multiple stops.

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

    Currently priced at $226, American Airlines will fly you from St. Louis to Kalispell and back. In addition to American 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 $256 and $256, respectively. American Airlines is currently priced 44% 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 Delta. According to our data, you can fly for as low as $128. Users have also found prices from $179 and $188 on American Airlines and United 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, February is the cheapest month in which you can book a flight from St. Louis to Kalispell (average of $280). Flying from St. Louis to Kalispell in July is currently the most expensive (average of $713). 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 Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Columbia Falls
East Glacier Park

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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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$226Average$454FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$457FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$447FlexibilityNo cancel feeOn-time75%

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