$146+ Cheap flights from Kalispell to Ontario (FCA - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ONT
Nov 3 — Nov 101
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 October 4, 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 October 4, 2026.
This Delta deal was found by Cheapflights users on 10/1. 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 11/56:13 pm -
1 stop4h 58m
Mon 11/96:00 am -
1 stop4h 31m
Deal found 10/1![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 10/2. 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 10/165:30 am -
1 stop4h 25m
Sun 10/256:00 am -
1 stop4h 37m
Deal found 10/2![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 10/4. 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 10/185:30 am -
1 stop4h 25m
Sat 10/246:00 am -
1 stop4h 37m
Deal found 10/4![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 10/2. 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 10/165:30 am -
1 stop4h 25m
Thu 10/226:00 am -
1 stop4h 37m
Deal found 10/2![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/1. 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 12/116:16 pm -
1 stop6h 41m
Tue 12/156:00 am -
1 stop4h 38m
Deal found 10/1![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/1. 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 12/206:16 pm -
1 stop6h 43m
Sat 1/96:00 am -
1 stop4h 49m
Deal found 10/1![Delta logo]()
$373
This Priceline deal was found by Cheapflights users on 9/30. 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.
Wed 10/78:01 am -
1 stop6h 15m
Wed 11/44:09 pm -
1 stop6h 50m
Deal found 9/30![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 12/2012:59 pm -
1 stop5h 16m
Sat 1/97:00 am -
1 stop10h 57m
Deal found 9/30![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 10/318:01 am -
1 stop6h 15m
Mon 11/26:00 am -
1 stop5h 15m
Deal found 9/29![Alaska Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 10/178:01 am -
1 stop6h 15m
Wed 10/2111:13 am -
1 stop6h 52m
Deal found 10/2![Alaska Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 10/178:01 am -
1 stop6h 15m
Tue 10/276:02 am -
1 stop5h 21m
Deal found 10/2![Alaska Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 10/2. 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 10/195:30 am -
1 stop4h 25m
Fri 10/235:03 pm -
1 stop4h 54m
Deal found 10/2![Delta logo]()
$429
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 October 4, 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 October 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/287:45 pm -
1 stop15h 32m
Wed 11/46:00 am -
1 stop5h 15m
Deal found 9/30![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 10/4. 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 10/185:30 am -
1 stop4h 25m
Sat 10/246:00 am -
1 stop4h 37m
Deal found 10/4![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 10/1. 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 12/116:16 pm -
1 stop6h 41m
Tue 12/156:00 am -
1 stop4h 38m
Deal found 10/1![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 12/2012:59 pm -
1 stop5h 16m
Sat 1/97:00 am -
1 stop10h 57m
Deal found 9/30![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 10/3. 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 12/206:16 pm -
1 stop6h 43m
Sat 1/96:00 am -
1 stop4h 49m
Deal found 10/3![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 10/3. 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 10/318:01 am -
1 stop6h 15m
Mon 11/26:00 am -
1 stop5h 15m
Deal found 10/3![Alaska Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 10/2. 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 10/145:30 am -
1 stop4h 25m
Tue 10/275:03 pm -
1 stop4h 54m
Deal found 10/2![Delta logo]()
$433
Last-minute flights from Kalispell to OntarioDiscover last-minute flight deals from Kalispell to Ontario. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Ontario. Data last updated October 4, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/30. 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.
Wed 10/78:01 am -
1 stop6h 15m
Wed 11/44:09 pm -
1 stop6h 50m
Deal found 9/30![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 10/2. 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 10/145:30 am -
1 stop4h 25m
Fri 10/235:03 pm -
1 stop4h 54m
Deal found 10/2![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 10/2. 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 10/165:30 am -
1 stop4h 25m
Sun 10/256:00 am -
1 stop4h 37m
Deal found 10/2![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 10/2. 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 10/165:30 am -
1 stop4h 25m
Thu 10/226:00 am -
1 stop4h 37m
Deal found 10/2![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 10/178:01 am -
1 stop6h 15m
Wed 10/2111:13 am -
1 stop6h 52m
Deal found 10/2![Alaska Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 10/178:01 am -
1 stop6h 15m
Tue 10/276:02 am -
1 stop5h 21m
Deal found 10/2![Alaska Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 10/2. 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 10/176:05 am -
1 stop7h 41m
Sat 10/248:03 am -
1 stop6h 13m
Deal found 10/2![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 10/178:01 am -
1 stop6h 15m
Tue 10/207:25 am -
1 stop4h 58m
Deal found 10/2![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/4. 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 10/185:30 am -
1 stop4h 25m
Sat 10/246:00 am -
1 stop4h 37m
Deal found 10/4![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 10/2. 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 10/195:30 am -
1 stop4h 25m
Sat 10/246:00 am -
1 stop4h 37m
Deal found 10/2![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 10/318:01 am -
1 stop6h 15m
Mon 11/26:00 am -
1 stop5h 15m
Deal found 9/29![Alaska Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 10/1. 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 11/56:13 pm -
1 stop4h 58m
Mon 11/96:00 am -
1 stop4h 31m
Deal found 10/1![Delta logo]()
$327
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 October 4, 2026.
Search for one-way flight options from Kalispell to Ontario. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Trip.com deal was found by Cheapflights users on 10/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:18 pm -
1 stop21h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 10/4. 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 10/265:30 am -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Delta logo]()
$164
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/164:17 pm -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 10/2611:47 am -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/256:14 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 10/4. 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 11/2612:25 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 10/4. 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 10/165:30 am -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Delta logo]()
$225
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:45 pm -
1 stop15h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Alaska Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 10/4. 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 10/125:30 am -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Delta logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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 10/172:03 pm -
1 stop4h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Alaska Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 10/4. 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 10/136:05 am -
1 stop7h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$275
This Priceline deal was found by Cheapflights users on 10/4. 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.
Thu 10/158:01 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Alaska Airlines logo]()
$280
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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (Delta) |
One-way from | $146 (Trip.com) |
Popular in | July |
Cheapest in | April |
Average price | $444 |
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 7,457,451 searches. Data last updated October 4, 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
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Fri 12/4
6:16 pm-11:57 pm
1 stop6h 41m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Sun 11/15
12:25 pm-4:24 pm
1 stop4h 59m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
Quickest round-trip
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Mon 10/26
5:30 am-8:55 am
1 stop4h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Tue 10/27
12:28 pm-4:23 pm
1 stop4h 55m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Mon 10/19
6:13 pm-11:55 pm
1 stop6h 42m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Sun 10/25
6:14 am-12:30 pm
1 stop7h 16m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Fri 10/9
2:30 pm-8:58 pm
1 stop7h 28m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$285
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Sun 10/11
5:30 am-8:55 am
1 stop4h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$316
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Wed 10/28
7:45 pm-10:17 am
1 stop15h 32m
Ontario
Wed 11/4
6:00 am-12:15 pm
1 stop5h 15m
$327
KalispellOntario
FCA Kalispell Glacier Park - ONT Ontario
FCAONT
Kalispell Glacier Park
Mon 11/9
6:34 pm-9:52 am
2 stops16h 18m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$328
Showing 1-10 of 18 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 October.
| 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 October 4, 2026.
See what other customers who have flown with Delta and United Airlines 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
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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 October 4, 2026.
Kalispell and Ontario flights
Browse other Kalispell and Ontario flight options. Last updated on October 4, 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 October 4, 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 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$347 | FlexibilityNo cancel fee | On-time69% |