$111+ Cheap flights from Ontario to Kalispell (ONT - 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FCA
May 15 — May 221
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Kalispell with Cheapflights
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
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Cheapest flights from Ontario to KalispellExplore the most affordable flight options available from Ontario to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2026.
Explore the most affordable flight options available from Ontario to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 5/45:05 pm
ONT
- FCA
1 stop5h 22m
Delta
Tue 5/56:10 pm
FCA
- ONT
1 stop6h 34m
Delta
Deal found 4/13![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 4/13. 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 5/121:35 pm
ONT
- FCA
2 stops8h 39m
Delta
Sat 5/166:07 pm
FCA
- ONT
1 stop5h 38m
Delta
Deal found 4/13![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 4/13. 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 5/26:00 am
ONT
- FCA
1 stop4h 23m
Delta
Wed 5/135:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 4/15. 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 8/35:16 pm
ONT
- FCA
1 stop4h 37m
Delta
Thu 8/135:25 am
FCA
- ONT
1 stop4h 36m
Delta
Deal found 4/15![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 4/14. 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 4/286:00 am
ONT
- FCA
1 stop4h 23m
Delta
Fri 5/16:10 pm
FCA
- ONT
1 stop6h 34m
Delta
Deal found 4/14![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 4/15. 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 8/99:40 am
ONT
- FCA
1 stop6h 50m
Delta
Thu 8/135:25 am
FCA
- ONT
1 stop4h 36m
Delta
Deal found 4/15![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/13. 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 5/36:00 am
ONT
- FCA
1 stop4h 23m
Delta
Mon 5/115:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 10/46:00 am
ONT
- FCA
1 stop5h 14m
Alaska Airlines
Wed 10/72:10 pm
FCA
- ONT
1 stop5h 03m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/13. 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 5/36:00 am
ONT
- FCA
1 stop4h 23m
Delta
Tue 5/55:05 am
FCA
- ONT
2 stops9h 34m
Delta
Deal found 4/13![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 4/11. 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 4/266:00 am
ONT
- FCA
1 stop4h 23m
Delta
Thu 4/306:10 pm
FCA
- ONT
1 stop6h 34m
Delta
Deal found 4/11![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 4/13. 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 5/86:00 am
ONT
- FCA
1 stop4h 28m
Delta
Fri 5/155:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$338
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ONT
- FCA
1 stop5h 03m
Alaska Airlines
Tue 5/121:43 pm
FCA
- ONT
1 stop9h 49m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$343
Best flights from Ontario to KalispellDiscover carefully curated flight deals from Ontario to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2026.
Discover carefully curated flight deals from Ontario to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2026.
This Delta deal was found by Cheapflights users on 4/15. 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 5/134:57 pm
ONT
- FCA
1 stop5h 17m
Delta
Sat 5/166:07 pm
FCA
- ONT
1 stop5h 38m
Delta
Deal found 4/15![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 10/46:00 am
ONT
- FCA
1 stop5h 14m
Alaska Airlines
Wed 10/72:10 pm
FCA
- ONT
1 stop5h 03m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 4/15. 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 6/216:00 am
ONT
- FCA
1 stop4h 28m
Delta
Wed 7/16:10 pm
FCA
- ONT
1 stop6h 35m
Delta
Deal found 4/15![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 4/13. 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 5/86:00 am
ONT
- FCA
1 stop4h 28m
Delta
Thu 5/145:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 4/11. 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 6/95:24 pm
ONT
- FCA
1 stop4h 31m
Delta
Mon 6/155:19 am
FCA
- ONT
1 stop4h 28m
Delta
Deal found 4/11![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/710:39 am
ONT
- FCA
1 stop7h 09m
Alaska Airlines
Tue 5/1212:43 pm
FCA
- ONT
2 stops23h 29m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 4/15. 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 5/86:00 am
ONT
- FCA
1 stop4h 28m
Delta
Sun 5/105:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/15![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 4/15. 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 6/176:00 am
ONT
- FCA
1 stop4h 28m
Delta
Sun 6/215:19 am
FCA
- ONT
1 stop4h 28m
Delta
Deal found 4/15![Delta logo]()
$379
Last-minute flights from Ontario to KalispellDiscover last-minute flight deals from Ontario to Kalispell. Data last updated April 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kalispell. Data last updated April 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/11. 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 4/266:00 am
ONT
- FCA
1 stop4h 23m
Delta
Thu 4/306:10 pm
FCA
- ONT
1 stop6h 34m
Delta
Deal found 4/11![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 4/13. 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 4/266:00 am
ONT
- FCA
1 stop4h 23m
Delta
Sat 5/26:10 pm
FCA
- ONT
1 stop5h 33m
Delta
Deal found 4/13![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 4/14. 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 4/286:00 am
ONT
- FCA
1 stop4h 23m
Delta
Fri 5/16:10 pm
FCA
- ONT
1 stop6h 34m
Delta
Deal found 4/14![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 4/13. 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 5/26:00 am
ONT
- FCA
1 stop4h 23m
Delta
Tue 5/126:07 pm
FCA
- ONT
1 stop6h 27m
Delta
Deal found 4/13![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 4/13. 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 5/36:00 am
ONT
- FCA
1 stop4h 23m
Delta
Mon 5/115:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 4/13. 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 5/36:00 am
ONT
- FCA
1 stop4h 23m
Delta
Tue 5/55:05 am
FCA
- ONT
2 stops9h 34m
Delta
Deal found 4/13![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 4/13. 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 5/45:05 pm
ONT
- FCA
1 stop5h 22m
Delta
Mon 5/115:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$277
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
ONT
- FCA
1 stop5h 03m
Alaska Airlines
Tue 5/121:43 pm
FCA
- ONT
1 stop9h 49m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 4/13. 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 5/86:00 am
ONT
- FCA
1 stop4h 28m
Delta
Fri 5/155:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/13![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 4/15. 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 5/86:00 am
ONT
- FCA
1 stop4h 28m
Delta
Sun 5/105:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/15![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 5/113:26 pm
ONT
- FCA
1 stop7h 25m
Alaska Airlines
Thu 5/145:40 pm
FCA
- ONT
1 stop7h 18m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 4/13. 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 5/121:35 pm
ONT
- FCA
2 stops8h 39m
Delta
Sat 5/166:07 pm
FCA
- ONT
1 stop5h 38m
Delta
Deal found 4/13![Delta logo]()
$282
One-way flights from Ontario to KalispellSearch for one-way flight options from Ontario to Kalispell. Find affordable one-way fares based on user searches. Data last updated April 15, 2026.
Search for one-way flight options from Ontario to Kalispell. Find affordable one-way fares based on user searches. Data last updated April 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/2811:51 am
ONT
- FCA
1 stop20h 55m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$111
This Delta deal was found by Cheapflights users on 4/13. 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 5/116:00 am
ONT
- FCA
1 stop4h 28m
Delta
Deal found 4/13![Delta logo]()
$139
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/287:12 pm
ONT
- FCA
2 stops15h 23m
American Airlines
Deal found 4/14![American Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 4/14. 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 4/296:00 am
ONT
- FCA
1 stop4h 23m
Delta
Deal found 4/14![Delta logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Sat 6/611:15 am
ONT
- FCA
1 stop4h 45m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 4/13. 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 5/79:50 am
ONT
- FCA
1 stop6h 37m
Delta
Deal found 4/13![Delta logo]()
$180
This Delta deal was found by Cheapflights users on 4/14. 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 5/281:35 pm
ONT
- FCA
2 stops8h 39m
Delta
Deal found 4/14![Delta logo]()
$185
This Delta deal was found by Cheapflights users on 4/10. 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.
Tue 5/194:57 pm
ONT
- FCA
1 stop5h 17m
Delta
Deal found 4/10![Delta logo]()
$200
This Delta deal was found by Cheapflights users on 4/14. 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 4/227:00 am
ONT
- FCA
2 stops9h 30m
Delta
Deal found 4/14![Delta logo]()
$205
This United Airlines deal was found by Cheapflights users on 4/14. 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 6/105:00 am
ONT
- FCA
1 stop7h 30m
United Airlines
Deal found 4/14![United Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 4/13. 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 4/185:59 pm
ONT
- FCA
1 stop4h 28m
Delta
Deal found 4/13![Delta logo]()
$250
Find flight deals from Ontario to Kalispell
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 April 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Delta) |
One-way from | $111 (Kiwi.com) |
Popular in | November |
Cheapest in | May |
Average price | $353 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 April 15, 2026.
Use the filters below to find and compare flights from Ontario to Kalispell that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Wed 5/13
4:57 pm-11:14 pm
1 stop5h 17m
Kalispell Glacier Park
Sat 5/16
6:07 pm-10:45 pm
1 stop5h 38m
$277
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Sun 6/21
6:00 am-11:28 am
1 stop4h 28m
Kalispell Glacier Park
Wed 7/1
6:10 pm-11:45 pm
1 stop6h 35m
$298
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Sun 10/4
6:00 am-12:14 pm
1 stop5h 14m
Kalispell Glacier Park
Wed 10/7
2:10 pm-6:13 pm
1 stop5h 03m
$319
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Fri 5/8
6:00 am-11:28 am
1 stop4h 28m
Kalispell Glacier Park
Thu 5/14
5:13 am-8:53 am
1 stop4h 40m
$338
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Tue 6/9
5:24 pm-10:55 pm
1 stop4h 31m
Kalispell Glacier Park
Mon 6/15
5:19 am-8:47 am
1 stop4h 28m
$338
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Fri 5/8
6:00 am-11:28 am
1 stop4h 28m
Kalispell Glacier Park
Sun 5/10
5:13 am-8:53 am
1 stop4h 40m
$358
Quickest round-trip
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Wed 6/17
6:00 am-11:28 am
1 stop4h 28m
Kalispell Glacier Park
Sun 6/21
5:19 am-8:47 am
1 stop4h 28m
$379
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Thu 5/7
10:39 am-6:48 pm
1 stop7h 09m
Kalispell Glacier Park
Tue 5/12
12:43 pm-11:12 am
2 stops23h 29m
$442
Cheapest one-way
Quickest one-way
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Sun 8/9
6:00 am-11:23 am
1 stop4h 23m
$139
OntarioKalispell
ONT - FCA
ONTFCA
Ontario
Sun 8/2
5:16 pm-10:53 pm
1 stop4h 37m
$150
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Ontario 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 Ontario to Kalispell in April.
| 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 Ontario-Kalispell flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Kalispell flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Kalispell flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-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 Ontario-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 Ontario to Kalispell
Have a flexible travel schedule? Discover the best time to fly to Kalispell from Ontario with our price prediction graph.
ONT-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 Ontario to Kalispell
What is the cheapest month to book a flight from Ontario to Kalispell?
Currently, May is the cheapest month in which you can book a flight from Ontario to Kalispell (average of $90). Flying from Ontario to Kalispell in March is currently the most expensive (average of $248). 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 Ontario 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 April 15, 2026.
See what other customers who have flown with Alaska Airlines and Delta from Ontario to Kalispell have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Kalispell. 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 Kalispell?
Book flights to Kalispell if you plan to visit one of these locationsColumbia Falls
East Glacier Park
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Other flights to Kalispell
Explore flights to Kalispell departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 15, 2026.
Ontario and Kalispell flights
Browse other Ontario and Kalispell flight options. Last updated on April 15, 2026.
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Top 2 airlines flying from Ontario to Kalispell
Discover the top 2 airlines that operate flights from Ontario 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 April 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$323 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$408 | FlexibilityNo cancel fee | On-time75% |