$92+ Cheap flights from Kalispell to Ontario (FCA - ONT)
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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ONT
May 28 — Jun 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kalispell to Ontario 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
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 Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kalispell to OntarioExplore the most affordable flight options available from Kalispell to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
Explore the most affordable flight options available from Kalispell to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
This Delta deal was found by Cheapflights users on 4/28. 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 5/225:13 am
FCA
- ONT
1 stop4h 40m
Delta
Tue 5/266:00 am
ONT
- FCA
1 stop4h 25m
Delta
Deal found 4/28![Delta logo]()
$277
This Expedia deal was found by Cheapflights users on 4/27. 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.
Wed 6/34:14 pm
FCA
- ONT
1 stop8h 42m
Alaska Airlines
Fri 6/57:41 pm
ONT
- FCA
1 stop14h 10m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/24. 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 5/85:13 am
FCA
- ONT
1 stop4h 40m
Delta
Sun 5/106:00 am
ONT
- FCA
1 stop4h 28m
Delta
Deal found 4/24![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 4/27. 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 6/306:10 pm
FCA
- ONT
1 stop6h 39m
Delta
Sun 7/56:00 am
ONT
- FCA
1 stop4h 45m
Delta
Deal found 4/27![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/87:28 pm
FCA
- ONT
1 stop5h 31m
Alaska Airlines
Tue 5/123:26 pm
ONT
- FCA
1 stop7h 25m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/244:11 pm
FCA
- ONT
1 stop4h 53m
United Airlines
Sun 5/315:00 am
ONT
- FCA
1 stop7h 30m
United Airlines
Deal found 4/26![United Airlines logo]()
$330
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:35 am
FCA
- ONT
1 stop8h 57m
Alaska Airlines
Tue 5/123:26 pm
ONT
- FCA
1 stop7h 25m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 4/24. 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 5/2812:20 pm
FCA
- ONT
1 stop4h 57m
Delta
Sat 5/306:45 am
ONT
- FCA
2 stops27h 40m
Delta
Deal found 4/24![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/234:11 pm
FCA
- ONT
1 stop7h 39m
United Airlines
Wed 5/275:00 am
ONT
- FCA
1 stop7h 30m
United Airlines
Deal found 4/27![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/24. 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 5/295:13 am
FCA
- ONT
2 stops8h 22m
Delta
Sun 5/316:00 am
ONT
- FCA
1 stop4h 25m
Delta
Deal found 4/24![Delta logo]()
$363
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/223:50 pm
FCA
- ONT
1 stop7h 48m
American Airlines
Tue 5/267:12 pm
ONT
- FCA
2 stops15h 23m
American Airlines
Deal found 4/28![American Airlines logo]()
$373
Best flights from Kalispell to OntarioDiscover carefully curated flight deals from Kalispell to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Kalispell to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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 5/225:13 am
FCA
- ONT
1 stop4h 40m
Delta
Tue 5/266:00 am
ONT
- FCA
1 stop4h 25m
Delta
Deal found 4/26![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/87:28 pm
FCA
- ONT
1 stop5h 31m
Alaska Airlines
Tue 5/123:26 pm
ONT
- FCA
1 stop7h 25m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/234:11 pm
FCA
- ONT
1 stop7h 39m
United Airlines
Wed 5/275:00 am
ONT
- FCA
1 stop7h 30m
United Airlines
Deal found 4/24![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/24. 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 5/285:13 am
FCA
- ONT
1 stop4h 40m
Delta
Mon 6/14:57 pm
ONT
- FCA
1 stop5h 17m
Delta
Deal found 4/24![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/236:15 am
FCA
- ONT
2 stops13h 53m
Alaska Airlines
Wed 5/274:03 pm
ONT
- FCA
1 stop6h 55m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 4/24. 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 5/225:13 am
FCA
- ONT
1 stop4h 40m
Delta
Sun 5/246:45 am
ONT
- FCA
2 stops9h 42m
Delta
Deal found 4/24![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 5/286:15 am
FCA
- ONT
1 stop5h 55m
Alaska Airlines
Mon 6/15:57 pm
ONT
- FCA
2 stops15h 54m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/184:14 pm
FCA
- ONT
2 stops8h 44m
Alaska Airlines
Sun 5/244:03 pm
ONT
- FCA
1 stop6h 55m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$498
Last-minute flights from Kalispell to OntarioDiscover last-minute flight deals from Kalispell to Ontario. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Ontario. Data last updated April 28, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:35 am
FCA
- ONT
1 stop8h 57m
Alaska Airlines
Tue 5/123:26 pm
ONT
- FCA
1 stop7h 25m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 4/24. 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 5/85:13 am
FCA
- ONT
1 stop4h 40m
Delta
Sun 5/106:00 am
ONT
- FCA
1 stop4h 28m
Delta
Deal found 4/24![Delta logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/87:28 pm
FCA
- ONT
1 stop5h 31m
Alaska Airlines
Tue 5/123:26 pm
ONT
- FCA
1 stop7h 25m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 4/28. 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 5/225:13 am
FCA
- ONT
1 stop4h 40m
Delta
Tue 5/266:00 am
ONT
- FCA
1 stop4h 25m
Delta
Deal found 4/28![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/223:50 pm
FCA
- ONT
1 stop7h 48m
American Airlines
Tue 5/267:12 pm
ONT
- FCA
2 stops15h 23m
American Airlines
Deal found 4/28![American Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/234:11 pm
FCA
- ONT
1 stop7h 39m
United Airlines
Wed 5/275:00 am
ONT
- FCA
1 stop7h 30m
United Airlines
Deal found 4/27![United Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/236:15 am
FCA
- ONT
2 stops13h 53m
Alaska Airlines
Wed 5/274:03 pm
ONT
- FCA
1 stop6h 55m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/244:11 pm
FCA
- ONT
1 stop4h 53m
United Airlines
Sun 5/315:00 am
ONT
- FCA
1 stop7h 30m
United Airlines
Deal found 4/26![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 4/24. 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 5/2812:20 pm
FCA
- ONT
1 stop4h 57m
Delta
Sat 5/306:45 am
ONT
- FCA
2 stops27h 40m
Delta
Deal found 4/24![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 5/286:15 am
FCA
- ONT
1 stop5h 55m
Alaska Airlines
Mon 6/15:57 pm
ONT
- FCA
2 stops15h 54m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 4/24. 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 5/295:13 am
FCA
- ONT
2 stops8h 22m
Delta
Sun 5/316:00 am
ONT
- FCA
1 stop4h 25m
Delta
Deal found 4/24![Delta logo]()
$363
One-way flights from Kalispell to OntarioSearch for one-way flight options from Kalispell to Ontario. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Kalispell to Ontario. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/1510:31 am
FCA
- ONT
1 stop10h 20m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/1412:33 pm
FCA
- ONT
1 stop7h 59m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$109
This Delta deal was found by Cheapflights users on 4/23. 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 5/155:13 am
FCA
- ONT
1 stop4h 40m
Delta
Deal found 4/23![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 4/25. 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 7/16:10 pm
FCA
- ONT
1 stop6h 39m
Delta
Deal found 4/25![Delta logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/1010:30 am
FCA
- ONT
1 stop29h 37m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/77:28 pm
FCA
- ONT
1 stop5h 31m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 7/2410:50 am
FCA
- ONT
1 stop10h 03m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 6/36:15 am
FCA
- ONT
2 stops9h 40m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/184:14 pm
FCA
- ONT
2 stops19h 56m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$243
Find flight deals from Kalispell to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Ontario (ONT). 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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Delta) |
One-way from | $92 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $136 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kalispell to Ontario 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 28, 2026.
Use the filters below to find and compare flights from Kalispell to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Fri 5/22
5:13 am-8:53 am
1 stop4h 40m
Ontario
Tue 5/26
6:00 am-11:25 am
1 stop4h 25m
$277
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Thu 5/28
5:13 am-8:53 am
1 stop4h 40m
Ontario
Mon 6/1
4:57 pm-11:14 pm
1 stop5h 17m
$277
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Fri 5/8
7:28 pm-11:59 pm
1 stop5h 31m
Ontario
Tue 5/12
3:26 pm-11:51 pm
1 stop7h 25m
$329
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Sat 5/23
4:11 pm-10:50 pm
1 stop7h 39m
Ontario
Wed 5/27
5:00 am-1:30 pm
1 stop7h 30m
$357
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Fri 5/22
5:13 am-8:53 am
1 stop4h 40m
Ontario
Sun 5/24
6:45 am-5:27 pm
2 stops9h 42m
$363
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Sat 5/23
6:15 am-7:08 pm
2 stops13h 53m
Ontario
Wed 5/27
4:03 pm-11:58 pm
1 stop6h 55m
$392
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Thu 5/28
6:15 am-11:10 am
1 stop5h 55m
Ontario
Mon 6/1
5:57 pm-10:51 am
2 stops15h 54m
$396
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Mon 5/18
4:14 pm-11:58 pm
2 stops8h 44m
Ontario
Sun 5/24
4:03 pm-11:58 pm
1 stop6h 55m
$498
Cheapest one-way
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Mon 6/15
10:31 am-7:51 pm
1 stop10h 20m
$92
KalispellOntario
FCA - ONT
FCAONT
Kalispell Glacier Park
Wed 6/3
6:15 am-11:12 am
1 stop5h 57m
$139
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Kalispell to Ontario
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 Ontario 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 Kalispell-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kalispell-Ontario 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-Ontario 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 Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Kalispell with our price prediction graph.
FCA-ONT
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 Kalispell to Ontario
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 28, 2026.
See what other customers who have flown with Alaska Airlines and Delta from Kalispell to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Kalispell to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Kalispell
Popular flights
Alternative routes for Kalispell to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kalispell to Ontario by cabin class
Find flights from Kalispell to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Kalispell and Ontario flights
Browse other Kalispell and Ontario flight options. Last updated on April 28, 2026.
Other flights from Kalispell
Browse through other flights departing from Kalispell. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Kalispell to Ontario
Discover the top 2 airlines that operate flights from Kalispell to Ontario. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$308 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$343 | FlexibilityNo cancel fee | On-time75% |