$149+ Cheap flights from Kalispell to St. Louis (FCA - STL)
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — STL
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kalispell to St. Louis
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Cheapest flights from Kalispell to St. LouisExplore the most affordable flight options available from Kalispell to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Kalispell to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
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.
Thu 9/246:10 pm
FCA
- STL
1 stop5h 24m
Delta
Sun 9/276:25 am
STL
- FCA
1 stop8h 10m
Delta
Deal found 6/7![Delta logo]()
$297
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:26 pm
FCA
- STL
1 stop7h 55m
United Airlines
Sun 9/276:00 am
STL
- FCA
1 stop6h 28m
United Airlines
Deal found 6/7![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/264:48 pm
FCA
- STL
1 stop6h 28m
American Airlines
Tue 6/305:29 am
STL
- FCA
1 stop7h 05m
American Airlines
Deal found 6/10![American Airlines logo]()
$344
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 9/283:26 pm
FCA
- STL
1 stop7h 17m
American Airlines
Thu 10/15:00 am
STL
- FCA
1 stop8h 44m
American Airlines
Deal found 6/9![American Airlines logo]()
$370
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:04 pm
FCA
- STL
1 stop5h 36m
United Airlines
Mon 8/244:40 pm
STL
- FCA
1 stop5h 41m
United Airlines
Deal found 6/7![United Airlines logo]()
$387
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:33 pm
FCA
- STL
1 stop5h 37m
United Airlines
Sun 6/286:00 am
STL
- FCA
1 stop6h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$412
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:26 pm
FCA
- STL
1 stop7h 17m
American Airlines
Sun 9/275:00 am
STL
- FCA
2 stops10h 33m
American Airlines
Deal found 6/7![American Airlines logo]()
$425
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:55 am
FCA
- STL
1 stop7h 22m
Delta
Mon 6/225:36 pm
STL
- FCA
1 stop7h 02m
Delta
Deal found 6/8![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 6/253:51 pm
FCA
- STL
1 stop7h 08m
American Airlines
Sun 6/289:09 am
STL
- FCA
1 stop7h 53m
American Airlines
Deal found 6/10![American Airlines logo]()
$444
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:33 pm
FCA
- STL
1 stop5h 37m
United Airlines
Sun 6/216:00 am
STL
- FCA
1 stop6h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$446
Best flights from Kalispell to St. LouisDiscover carefully curated flight deals from Kalispell to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Kalispell to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
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.
Thu 9/246:10 pm
FCA
- STL
1 stop5h 24m
Delta
Sun 9/276:25 am
STL
- FCA
1 stop8h 10m
Delta
Deal found 6/7![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/264:48 pm
FCA
- STL
1 stop6h 28m
American Airlines
Tue 6/305:29 am
STL
- FCA
1 stop7h 05m
American Airlines
Deal found 6/10![American Airlines logo]()
$344
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:04 pm
FCA
- STL
1 stop5h 36m
United Airlines
Mon 8/244:40 pm
STL
- FCA
1 stop5h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$387
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:21 pm
FCA
- STL
2 stops12h 03m
Alaska Airlines
Sun 9/2712:46 pm
STL
- FCA
2 stops11h 10m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$674
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 9/283:26 pm
FCA
- STL
1 stop7h 17m
American Airlines
Thu 10/15:00 am
STL
- FCA
1 stop8h 44m
American Airlines
Deal found 6/9![American Airlines logo]()
$370
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:33 pm
FCA
- STL
1 stop5h 37m
United Airlines
Sun 6/286:00 am
STL
- FCA
1 stop6h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 6/253:51 pm
FCA
- STL
1 stop7h 08m
American Airlines
Sun 6/289:09 am
STL
- FCA
1 stop7h 53m
American Airlines
Deal found 6/10![American Airlines logo]()
$444
Last-minute flights from Kalispell to St. LouisDiscover last-minute flight deals from Kalispell to St. Louis. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to St. Louis. Data last updated June 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/1012:26 pm
FCA
- STL
2 stops10h 50m
American Airlines
Sun 6/147:03 am
STL
- FCA
1 stop6h 42m
American Airlines
Deal found 6/6![American Airlines logo]()
$455
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:19 am
FCA
- STL
1 stop7h 17m
Delta
Mon 6/155:36 pm
STL
- FCA
1 stop7h 02m
Delta
Deal found 6/8![Delta logo]()
$450
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:55 am
FCA
- STL
1 stop7h 22m
Delta
Mon 6/155:36 pm
STL
- FCA
1 stop7h 02m
Delta
Deal found 6/8![Delta logo]()
$460
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:55 am
FCA
- STL
1 stop7h 22m
Delta
Mon 6/225:36 pm
STL
- FCA
1 stop7h 02m
Delta
Deal found 6/8![Delta logo]()
$429
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:33 pm
FCA
- STL
1 stop5h 37m
United Airlines
Sun 6/216:00 am
STL
- FCA
1 stop6h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$446
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:33 pm
FCA
- STL
1 stop5h 37m
United Airlines
Sat 6/205:10 am
STL
- FCA
1 stop5h 51m
United Airlines
Deal found 6/8![United Airlines logo]()
$472
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:33 pm
FCA
- STL
1 stop5h 37m
United Airlines
Sun 6/286:00 am
STL
- FCA
1 stop6h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 6/253:51 pm
FCA
- STL
1 stop7h 08m
American Airlines
Sun 6/289:09 am
STL
- FCA
1 stop7h 53m
American Airlines
Deal found 6/10![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/264:48 pm
FCA
- STL
1 stop6h 28m
American Airlines
Tue 6/305:29 am
STL
- FCA
1 stop7h 05m
American Airlines
Deal found 6/10![American Airlines logo]()
$344
One-way flights from Kalispell to St. LouisSearch for one-way flight options from Kalispell to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Kalispell to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:26 pm
FCA
- STL
1 stop7h 17m
American Airlines
Deal found 6/7![American Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 6/10. 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 8/196:20 am
FCA
- STL
1 stop7h 50m
Delta
Deal found 6/10![Delta logo]()
$190
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:34 pm
FCA
- STL
1 stop6h 25m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$215
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:26 pm
FCA
- STL
1 stop7h 17m
American Airlines
Deal found 6/7![American Airlines logo]()
$236
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:30 am
FCA
- STL
1 stop30h 35m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Wed 8/1910:18 am
FCA
- STL
2 stops32h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$305
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:33 pm
FCA
- STL
3 stops36h 07m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$328
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:49 pm
FCA
- STL
1 stop6h 27m
American Airlines
Deal found 6/7![American Airlines logo]()
$374
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:42 am
FCA
- STL
3 stops55h 54m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$381
Find flight deals from Kalispell to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to St. Louis (STL). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Delta) |
One-way from | $149 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Kalispell to St. Louis 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 11, 2026.
Use the filters below to find and compare flights from Kalispell to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Thu 9/24
6:10 pm-12:34 am
1 stop5h 24m
Lambert-St Louis
Sun 9/27
6:25 am-1:35 pm
1 stop8h 10m
$297
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Fri 6/26
4:48 pm-12:16 am
1 stop6h 28m
Lambert-St Louis
Tue 6/30
5:29 am-11:34 am
1 stop7h 05m
$344
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Mon 9/28
3:26 pm-11:43 pm
1 stop7h 17m
Lambert-St Louis
Thu 10/1
5:00 am-12:44 pm
1 stop8h 44m
$370
Quickest round-trip
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Thu 8/20
5:04 pm-11:40 pm
1 stop5h 36m
Lambert-St Louis
Mon 8/24
4:40 pm-9:21 pm
1 stop5h 41m
$387
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Wed 6/24
2:33 pm-9:10 pm
1 stop5h 37m
Lambert-St Louis
Sun 6/28
6:00 am-11:29 am
1 stop6h 29m
$412
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Thu 6/25
3:51 pm-11:59 pm
1 stop7h 08m
Lambert-St Louis
Sun 6/28
9:09 am-4:02 pm
1 stop7h 53m
$444
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Thu 9/24
8:21 pm-9:24 am
2 stops12h 03m
Lambert-St Louis
Sun 9/27
12:46 pm-10:56 pm
2 stops11h 10m
$674
Cheapest one-way
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Thu 9/24
3:26 pm-11:43 pm
1 stop7h 17m
$149
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Wed 8/19
6:20 am-3:10 pm
1 stop7h 50m
$190
Quickest one-way
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Tue 8/11
4:34 pm-11:59 pm
1 stop6h 25m
$215
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Kalispell to St. Louis
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 Kalispell to St. Louis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kalispell-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kalispell-St. Louis 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 Kalispell-St. Louis 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 Kalispell to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kalispell with our price prediction graph.
FCA-STL
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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 11, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Kalispell to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Kalispell to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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Kalispell and St. Louis flights
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Top 2 airlines flying from Kalispell to St. Louis
Discover the top 2 airlines that operate flights from Kalispell to St. Louis. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$287 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$531 | FlexibilityNo cancel fee | On-time69% |