
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (American Airlines) |
One-way from | $235 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $362 |
Fly from
Fly to
Route
Depart
Return
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Wed 6/3
8:53 am-5:27 pm
2 stops9h 34m
Kalispell Glacier Park
Mon 6/8
6:10 pm-12:43 am
1 stop5h 33m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sun 9/6
3:00 pm-10:56 pm
1 stop8h 56m
Kalispell Glacier Park
Thu 9/10
8:21 pm-2:21 pm
1 stop17h 00m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Mon 8/24
2:18 pm-11:02 pm
2 stops9h 44m
Kalispell Glacier Park
Fri 8/28
6:12 pm-12:36 am
1 stop5h 24m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Tue 5/26
6:00 am-11:29 am
1 stop6h 29m
Kalispell Glacier Park
Thu 5/28
1:20 pm-11:57 pm
2 stops9h 37m
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
5:40 pm-3:16 pm
1 stop20h 36m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sat 6/13
6:00 am-11:29 am
1 stop6h 29m
Kalispell Glacier Park
Sat 6/20
12:40 pm-11:35 pm
1 stop9h 55m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Fri 8/21
7:34 pm-12:28 pm
1 stop17h 54m
Kalispell Glacier Park
Fri 8/28
6:15 am-2:04 pm
1 stop6h 49m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sat 6/13
8:00 am-8:16 pm
2 stops13h 16m
Kalispell Glacier Park
Sat 6/20
5:19 am-4:52 pm
2 stops10h 33m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Fri 5/22
6:00 am-12:35 pm
1 stop7h 35m
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Fri 7/17
8:08 pm-9:18 am
2 stops38h 10m
| 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 |
Booking 72 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.
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 $627). 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.
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Eugene,Mar 2026
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Eugene,Mar 2026
MFR - SEA
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Eugene,Mar 2026
MFR - SEA
Entertainment
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Boarding
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Eugene,Mar 2026
MFR - SEA
Entertainment
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Eugene,Mar 2026
MFR - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$457 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$447 | FlexibilityNo cancel fee | On-time75% |