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Kalispell

$96+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FCA
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Find cheap flights from Ontario to Kalispell with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Ontario to Kalispell

Cheapest flights from Ontario to Kalispell
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 February 5, 2026.

This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 5/136:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Sat 5/166:13 pm
FCA
-
ONT
1 stop5h 32m
Delta
Deal found 2/3$217
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 5/154:03 pm
ONT
-
FCA
1 stop6h 55m
Alaska Airlines
Tue 5/195:40 pm
FCA
-
ONT
1 stop7h 18m
Alaska Airlines
Deal found 2/2$233
This Delta deal was found by Cheapflights users on 2/2. 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 2/236:00 am
ONT
-
FCA
1 stop4h 32m
Delta
Wed 2/256:15 pm
FCA
-
ONT
1 stop6h 34m
Delta
Deal found 2/2$254
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:14 am
ONT
-
FCA
1 stop4h 58m
Alaska Airlines
Fri 2/277:53 pm
FCA
-
ONT
1 stop16h 15m
Alaska Airlines
Deal found 2/3$276
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 8/105:33 pm
ONT
-
FCA
1 stop5h 26m
Alaska Airlines
Tue 8/256:33 am
FCA
-
ONT
1 stop5h 36m
Alaska Airlines
Deal found 2/2$279
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 5/146:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Tue 5/1912:24 pm
FCA
-
ONT
2 stops10h 55m
Delta
Deal found 2/2$293
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 4/217:00 am
ONT
-
FCA
1 stop5h 12m
Alaska Airlines
Wed 4/227:28 pm
FCA
-
ONT
2 stops29h 20m
Alaska Airlines
Deal found 2/4$303
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:41 pm
ONT
-
FCA
1 stop13h 51m
Alaska Airlines
Wed 5/204:13 pm
FCA
-
ONT
2 stops8h 45m
Alaska Airlines
Deal found 2/2$306
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Sun 4/125:56 pm
FCA
-
ONT
1 stop6h 55m
Delta
Deal found 2/5$311

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$96
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$402
Provider with most accurate pricing for Ontario-Kalispell Glacier Park flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Kalispell Glacier Park flights.
Search Deals
From Ontario to Kalispell Glacier Park
Search Deals
One-way flight from Ontario to Kalispell Glacier Park
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 5, 2026.
Use the filters below to find and compare flights from Ontario to Kalispell that are best for you.

Fly from

Ontario

Fly to

Kalispell

Route

Depart

Return

Price

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 5/13

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Sat 5/16

12:24 pm-10:19 pm

2 stops10h 55m

$222

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 6/3

4:03 pm-11:58 pm

1 stop6h 55m

Kalispell Glacier Park

Wed 6/10

12:51 pm-6:54 pm

1 stop7h 03m

$233

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Thu 5/7

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Mon 5/11

5:13 am-8:53 am

1 stop4h 40m

$239

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Fri 5/8

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Mon 5/11

5:13 am-8:53 am

1 stop4h 40m

$239

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Fri 5/8

7:00 am-1:03 pm

1 stop5h 03m

Kalispell Glacier Park

Mon 5/11

7:28 pm-11:59 pm

1 stop5h 31m

$268

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Fri 5/15

4:03 pm-11:58 pm

1 stop6h 55m

Kalispell Glacier Park

Tue 5/19

4:13 pm-11:58 pm

2 stops8h 45m

$303

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 4/21

7:00 am-1:12 pm

1 stop5h 12m

Kalispell Glacier Park

Wed 4/22

7:28 pm-11:48 pm

2 stops29h 20m

$303

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 3/18

2:23 pm-10:08 am

1 stop18h 45m

$96

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 5/13

6:00 am-11:26 am

1 stop4h 26m

$109

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 3/10

7:00 am-1:13 pm

1 stop5h 13m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 16 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 November is currently the most expensive (average of $203). 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 February 5, 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.
Alaska Airlines
8.0
Very good
11,840 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,840 reviews
Alaska Airlines
8.0
Very good
11,840 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,151 reviews
Alaska Airlines
8.0
Very good
11,840 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from Ontario to Kalispell?

    Airlines like Delta and Alaska Airlines fly from Ontario to Kalispell in about 4h 26m. The time it takes to get you to your destination can typically vary by up to 2h 29m. There are 999 mi between Ontario and Kalispell. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Ontario to Kalispell round-trip?

    Our cheapest airline available from Ontario to Kalispell is Delta. Our recent data shows that you can find tickets from as low as $189 on this airline. An additional option worth looking into is Alaska Airlines, starting at $210. Delta is currently priced 51% below the average price you’ll pay for this route.

  • Can I find deals for flights from Ontario to Kalispell that include hotel bookings?

    Yes. In addition to deals on Ontario to Kalispell flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Kalispell?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kalispell.

  • Can I find deals for business class flights from Ontario to Kalispell?

    Yes. Cheapflights offers flight deals from Ontario to Kalispell by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 November is currently the most expensive (average of $203). 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.

See more FAQs

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Columbia Falls
East Glacier Park

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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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$348FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$210Average$453FlexibilityNo cancel feeOn-time75%

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