HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kalispell

$87+ 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 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 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 18, 2026.

This Delta deal was found by Cheapflights users on 2/14. 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 5/136:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Sat 5/306:13 pm
FCA
-
ONT
1 stop5h 32m
Delta
Deal found 2/14$217
This Delta deal was found by Cheapflights users on 2/15. 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.
Thu 4/96:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Wed 4/225:05 am
FCA
-
ONT
2 stops9h 34m
Delta
Deal found 2/15$222
This Alaska Airlines deal was found by Cheapflights users on 2/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
ONT
-
FCA
1 stop5h 12m
Alaska Airlines
Mon 4/277:28 pm
FCA
-
ONT
1 stop5h 31m
Alaska Airlines
Deal found 2/14$233
This Delta deal was found by Cheapflights users on 2/14. 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 5/146:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Thu 5/285:13 am
FCA
-
ONT
1 stop4h 40m
Delta
Deal found 2/14$237
This Delta deal was found by Cheapflights users on 2/15. 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 4/86:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Wed 4/225:05 am
FCA
-
ONT
2 stops9h 34m
Delta
Deal found 2/15$242
This Delta deal was found by Cheapflights users on 2/14. 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 5/146:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Tue 5/265:13 am
FCA
-
ONT
1 stop4h 40m
Delta
Deal found 2/14$257
This Delta deal was found by Cheapflights users on 2/14. 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.
Mon 5/181:35 pm
ONT
-
FCA
2 stops20h 51m
Delta
Fri 5/295:13 am
FCA
-
ONT
1 stop4h 40m
Delta
Deal found 2/14$260
This Delta deal was found by Cheapflights users on 2/14. 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.
Sun 3/226:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Wed 4/15:56 pm
FCA
-
ONT
1 stop6h 55m
Delta
Deal found 2/14$264
This Delta deal was found by Cheapflights users on 2/14. 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.
Mon 6/16:00 am
ONT
-
FCA
1 stop4h 26m
Delta
Tue 6/235:25 am
FCA
-
ONT
1 stop4h 36m
Delta
Deal found 2/14$268
This Delta deal was found by Cheapflights users on 2/14. 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 3/2411:59 am
ONT
-
FCA
2 stops10h 42m
Delta
Mon 3/305:56 pm
FCA
-
ONT
1 stop6h 55m
Delta
Deal found 2/14$269
This Delta deal was found by Cheapflights users on 2/14. 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.
Sat 5/161:35 pm
ONT
-
FCA
2 stops20h 51m
Delta
Sat 5/306:13 pm
FCA
-
ONT
1 stop5h 32m
Delta
Deal found 2/14$270

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$87
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$443
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 ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% 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 18, 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

Tue 6/2

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Tue 6/9

5:25 am-9:01 am

1 stop4h 36m

$217

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 6/2

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Thu 6/18

5:25 am-9:01 am

1 stop4h 36m

$217

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 6/3

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Tue 6/23

5:25 am-9:01 am

1 stop4h 36m

$217

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Thu 4/9

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Wed 4/22

5:05 am-1:39 pm

2 stops9h 34m

$222

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Fri 5/29

7:41 pm-10:51 am

1 stop14h 10m

Kalispell Glacier Park

Tue 6/2

11:33 am-6:47 pm

1 stop8h 14m

$233

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 5/19

4:03 pm-11:58 pm

1 stop6h 55m

Kalispell Glacier Park

Tue 5/26

6:15 am-11:10 am

1 stop5h 55m

$233

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Thu 5/21

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Sun 5/24

6:13 pm-10:45 pm

1 stop5h 32m

$237

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Thu 5/14

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Wed 5/27

6:13 pm-11:34 pm

1 stop6h 21m

$237

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 6/2

7:41 pm-10:51 am

1 stop14h 10m

Kalispell Glacier Park

Tue 6/9

5:40 pm-11:58 pm

1 stop7h 18m

$268

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 6/1

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Tue 6/23

5:25 am-9:01 am

1 stop4h 36m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 24 results
1
2
3

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, April is the cheapest month in which you can book a flight from Ontario to Kalispell (average of $88). 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 18, 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
11,895 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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
11,895 reviews
Alaska Airlines
8.0
Very good
11,895 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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
8,208 reviews
Alaska Airlines
8.0
Very good
11,895 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

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 9h 44m. 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 $198 on this airline. An additional option worth looking into is Alaska Airlines, starting at $210. Delta is currently priced 49% 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, April is the cheapest month in which you can book a flight from Ontario to Kalispell (average of $88). 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

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 for Ontario to Kalispell

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Bozeman flights
San Francisco to Bozeman flights
San Francisco to Kalispell flights
Los Angeles to Kalispell flights
San Francisco to Missoula flights
Ontario to Bozeman flights
San Diego to Bozeman flights
Santa Ana to Bozeman flights
Santa Ana to Kalispell flights
Los Angeles to Missoula flights
Burbank to Bozeman flights
Sacramento to Bozeman flights
Las Vegas to Bozeman flights
San Diego to Kalispell flights
San Jose to Bozeman flights
Oakland to Kalispell flights
Ontario to Missoula flights
San Jose to Kalispell flights
Sacramento to Kalispell flights
Oakland to Bozeman flights
Long Beach to Bozeman flights
San Diego to Missoula flights
Sacramento to Missoula flights
Reno to Bozeman flights
Los Angeles to Great Falls flights
San Francisco to Billings flights
Burbank to Missoula flights
Los Angeles to Billings flights
Burbank to Kalispell flights
Reno to Kalispell flights
Sacramento to Billings flights
Las Vegas to Billings flights
Los Angeles to Helena flights
San Diego to Cody flights
San Diego to Great Falls flights
Las Vegas to Missoula flights
Medford to Bozeman flights
Santa Ana to Missoula flights
San Diego to Billings flights
San Jose to Helena flights
Oakland to Missoula flights
San Francisco to Great Falls flights
Los Angeles to Butte flights
Ontario to Billings flights
San Jose to Missoula flights
Santa Ana to Billings flights
San Luis Obispo to Bozeman flights
San Luis Obispo to Kalispell flights
Las Vegas to Kalispell flights

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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$323FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$210Average$453FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.