$139+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FCA
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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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
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Cheapest flights from St. Louis to KalispellExplore 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 10, 2026.
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 10, 2026.
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 8/245:00 am
STL
- FCA
1 stop7h 26m
United Airlines
Sat 8/295:00 pm
FCA
- STL
1 stop5h 50m
United Airlines
Deal found 3/8![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:52 am
STL
- FCA
1 stop7h 29m
United Airlines
Thu 8/205:00 pm
FCA
- STL
1 stop5h 50m
United Airlines
Deal found 3/10![United Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:24 pm
STL
- FCA
1 stop9h 35m
Alaska Airlines
Thu 9/102:10 pm
FCA
- STL
1 stop8h 49m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:10 am
STL
- FCA
1 stop5h 58m
United Airlines
Thu 9/171:20 pm
FCA
- STL
2 stops9h 30m
United Airlines
Deal found 3/10![United Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 10/195:20 am
STL
- FCA
1 stop5h 48m
United Airlines
Wed 10/216:31 am
FCA
- STL
2 stops8h 07m
United Airlines
Deal found 3/7![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:29 am
STL
- FCA
2 stops11h 46m
Delta
Sun 4/125:56 pm
FCA
- STL
1 stop5h 25m
Delta
Deal found 3/6![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:32 pm
STL
- FCA
1 stop17h 42m
Alaska Airlines
Fri 8/286:33 am
FCA
- STL
1 stop6h 53m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:50 pm
STL
- FCA
1 stop8h 57m
Alaska Airlines
Wed 4/226:35 am
FCA
- STL
1 stop8h 15m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Sat 8/228:52 am
STL
- FCA
1 stop7h 29m
United Airlines
Sat 8/295:00 pm
FCA
- STL
1 stop5h 50m
United Airlines
Deal found 3/7![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:10 am
STL
- FCA
1 stop5h 58m
United Airlines
Tue 8/254:08 pm
FCA
- STL
1 stop5h 52m
United Airlines
Deal found 3/10![United Airlines logo]()
$377
Best flights from St. Louis to KalispellDiscover carefully curated flight deals from St. Louis to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from St. Louis to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:12 pm
STL
- FCA
1 stop6h 29m
Delta
Sun 4/125:56 pm
FCA
- STL
1 stop5h 25m
Delta
Deal found 3/6![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:24 pm
STL
- FCA
1 stop9h 35m
Alaska Airlines
Fri 8/2812:51 pm
FCA
- STL
1 stop10h 08m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Sat 8/229:00 am
STL
- FCA
2 stops11h 52m
United Airlines
Sat 8/295:00 pm
FCA
- STL
1 stop5h 50m
United Airlines
Deal found 3/7![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:50 pm
STL
- FCA
1 stop8h 57m
Alaska Airlines
Wed 4/226:35 am
FCA
- STL
1 stop8h 15m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:10 am
STL
- FCA
2 stops11h 11m
United Airlines
Thu 8/205:00 pm
FCA
- STL
1 stop5h 50m
United Airlines
Deal found 3/10![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 8/179:00 am
STL
- FCA
1 stop7h 53m
United Airlines
Sat 8/2210:47 am
FCA
- STL
2 stops9h 35m
United Airlines
Deal found 3/9![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:41 pm
STL
- FCA
1 stop16h 10m
Alaska Airlines
Tue 5/1911:33 am
FCA
- STL
1 stop6h 12m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 4/182:40 pm
STL
- FCA
1 stop8h 07m
United Airlines
Wed 4/222:33 pm
FCA
- STL
1 stop5h 21m
United Airlines
Deal found 3/9![United Airlines logo]()
$453
Last-minute flights from St. Louis to KalispellDiscover last-minute flight deals from St. Louis to Kalispell. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Kalispell. Data last updated March 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:29 am
STL
- FCA
1 stop7h 59m
Delta
Thu 3/265:56 pm
FCA
- STL
1 stop5h 25m
Delta
Deal found 3/6![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 3/10. 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 3/256:12 pm
STL
- FCA
1 stop6h 29m
Delta
Sun 3/295:56 pm
FCA
- STL
1 stop5h 25m
Delta
Deal found 3/10![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:12 pm
STL
- FCA
1 stop6h 29m
Delta
Sun 4/125:56 pm
FCA
- STL
1 stop5h 25m
Delta
Deal found 3/6![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:29 am
STL
- FCA
2 stops11h 46m
Delta
Sun 4/125:56 pm
FCA
- STL
1 stop5h 25m
Delta
Deal found 3/6![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:20 pm
STL
- FCA
1 stop8h 27m
Alaska Airlines
Sun 4/128:26 pm
FCA
- STL
1 stop26h 33m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/188:54 am
STL
- FCA
1 stop5h 37m
United Airlines
Wed 4/222:33 pm
FCA
- STL
1 stop5h 21m
United Airlines
Deal found 3/8![United Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:50 pm
STL
- FCA
1 stop8h 57m
Alaska Airlines
Wed 4/226:35 am
FCA
- STL
1 stop8h 15m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:54 am
STL
- FCA
1 stop5h 37m
United Airlines
Wed 4/222:33 pm
FCA
- STL
1 stop5h 21m
United Airlines
Deal found 3/5![United Airlines logo]()
$387
One-way flights from St. Louis to KalispellSearch for one-way flight options from St. Louis to Kalispell. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from St. Louis to Kalispell. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:21 am
STL
- FCA
1 stop8h 12m
Delta
Deal found 3/6![Delta logo]()
$139
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:00 am
STL
- FCA
2 stops12h 27m
United Airlines
Deal found 3/6![United Airlines logo]()
$144
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/227:06 am
STL
- FCA
1 stop8h 54m
American Airlines
Deal found 3/10![American Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 3/7. 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.
Sun 9/61:30 pm
STL
- FCA
2 stops10h 32m
Delta
Deal found 3/7![Delta logo]()
$245
This American Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 7/206:00 am
STL
- FCA
1 stop7h 30m
American Airlines
Deal found 3/7![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 3/7. 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.
Mon 6/295:30 pm
STL
- FCA
1 stop7h 16m
Delta
Deal found 3/7![Delta logo]()
$276
This American Airlines deal was found by Cheapflights users on 3/8. 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 6/247:06 am
STL
- FCA
1 stop8h 54m
American Airlines
Deal found 3/8![American Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:55 am
STL
- FCA
3 stops23h 46m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:01 am
STL
- FCA
2 stops16h 46m
United Airlines
Deal found 3/10![United Airlines logo]()
$361
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Delta) |
One-way from | $139 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $397 |
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 March 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
Cheapest round-trip
Quickest round-trip
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sun 4/5
6:12 pm-11:41 pm
1 stop6h 29m
Kalispell Glacier Park
Sun 4/12
5:56 pm-12:21 am
1 stop5h 25m
$277
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Fri 8/21
3:24 pm-11:59 pm
1 stop9h 35m
Kalispell Glacier Park
Fri 8/28
12:51 pm-11:59 pm
1 stop10h 08m
$357
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Tue 4/21
3:50 pm-11:47 pm
1 stop8h 57m
Kalispell Glacier Park
Wed 4/22
6:35 am-3:50 pm
1 stop8h 15m
$358
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sat 8/22
9:00 am-7:52 pm
2 stops11h 52m
Kalispell Glacier Park
Sat 8/29
5:00 pm-11:50 pm
1 stop5h 50m
$403
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sat 8/15
5:10 am-3:21 pm
2 stops11h 11m
Kalispell Glacier Park
Thu 8/20
5:00 pm-11:50 pm
1 stop5h 50m
$423
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Mon 8/17
9:00 am-3:53 pm
1 stop7h 53m
Kalispell Glacier Park
Sat 8/22
10:47 am-9:22 pm
2 stops9h 35m
$438
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Thu 5/14
7:41 pm-10:51 am
1 stop16h 10m
Kalispell Glacier Park
Tue 5/19
11:33 am-6:45 pm
1 stop6h 12m
$448
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sat 4/18
2:40 pm-9:47 pm
1 stop8h 07m
Kalispell Glacier Park
Wed 4/22
2:33 pm-8:54 pm
1 stop5h 21m
$453
Cheapest one-way
Quickest one-way
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sun 4/5
8:54 am-1:31 pm
1 stop5h 37m
$139
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Fri 5/22
6:21 am-1:33 pm
1 stop8h 12m
$139
Showing 1-10 of 17 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
STL-FCA
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?
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 March 6, 2026.
Booking 78 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, November is the cheapest month in which you can book a flight from St. Louis to Kalispell (average of $230). Flying from St. Louis to Kalispell in January is currently the most expensive (average of $301). 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.
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 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
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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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.
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Book flights to Kalispell if you plan to visit one of these locationsColumbia Falls
East Glacier Park
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Top 4 airlines flying from St. Louis to Kalispell
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$237 | Average$454 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$443 | FlexibilityNo cancel fee | On-time75% |