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Kalispell

$109+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FCA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$238
(Kiwi.com)

One-way from

$109
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$419
From Ontario to Kalispell Glacier Park
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One-way flight from Ontario to Kalispell Glacier Park
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Highest demand for flights based on searches. 14% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:25 amONT - FCA
1 stop9h 15mMultiple Airlines
Thu 9/45:33 pmFCA - ONT
1 stop14h 44mMultiple Airlines
Deal found 8/13$238
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/74:50 pmONT - FCA
1 stop5h 20mDelta
Fri 9/195:20 amFCA - ONT
1 stop4h 37mDelta
Deal found 8/13$241
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:05 amONT - FCA
1 stop9h 53mMultiple Airlines
Sun 11/25:48 pmFCA - ONT
1 stop20h 03mMultiple Airlines
Deal found 8/13$258
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:48 amONT - FCA
2 stops10h 21mDelta
Fri 10/176:10 pmFCA - ONT
1 stop6h 29mDelta
Deal found 8/13$270
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:50 pmONT - FCA
1 stop5h 20mDelta
Sat 9/135:20 amFCA - ONT
1 stop4h 37mDelta
Deal found 8/13$278
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/74:50 pmONT - FCA
1 stop5h 20mDelta
Thu 9/186:10 pmFCA - ONT
1 stop6h 32mDelta
Deal found 8/13$288
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:00 amONT - FCA
1 stop5h 22mHawaiian Airlines
Sun 10/266:33 amFCA - ONT
1 stop5h 32mHawaiian Airlines
Deal found 8/13$327
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:06 pmONT - FCA
1 stop7h 53mAlaska Airlines
Wed 9/178:02 pmFCA - ONT
1 stop19h 10mAlaska Airlines
Deal found 8/13$331
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:15 pmONT - FCA
1 stop7h 25mUnited Airlines
Sat 9/272:31 pmFCA - ONT
1 stop6h 53mUnited Airlines
Deal found 8/13$335
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:00 amONT - FCA
1 stop5h 22mAlaska Airlines
Sun 10/261:06 pmFCA - ONT
2 stops11h 26mAlaska Airlines
Deal found 8/13$337
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:16 amONT - FCA
1 stop6h 27mMultiple Airlines
Sun 9/75:33 pmFCA - ONT
1 stop14h 44mMultiple Airlines
Deal found 8/13$340

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 August 14, 2025.
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

Sun 8/31

10:25 am-8:40 pm

1 stop9h 15m

Kalispell Glacier Park

Thu 9/4

5:33 pm-7:17 am

1 stop14h 44m

$238

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 9/7

4:50 pm-11:10 pm

1 stop5h 20m

Kalispell Glacier Park

Fri 9/19

5:20 am-8:57 am

1 stop4h 37m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 2/9

5:05 pm-11:07 pm

1 stop5h 02m

Kalispell Glacier Park

Wed 2/11

6:12 pm-11:52 pm

1 stop6h 40m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 2/10

5:05 pm-11:07 pm

1 stop5h 02m

Kalispell Glacier Park

Wed 2/11

6:12 pm-11:52 pm

1 stop6h 40m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 2/8

5:05 pm-11:07 pm

1 stop5h 02m

Kalispell Glacier Park

Wed 2/11

6:12 pm-11:52 pm

1 stop6h 40m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 9/9

4:50 pm-11:10 pm

1 stop5h 20m

Kalispell Glacier Park

Fri 9/19

5:20 am-8:57 am

1 stop4h 37m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 9/8

4:50 pm-11:10 pm

1 stop5h 20m

Kalispell Glacier Park

Fri 9/19

5:20 am-8:57 am

1 stop4h 37m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 10/26

6:05 am-4:58 pm

1 stop9h 53m

Kalispell Glacier Park

Sun 11/2

5:48 pm-12:51 pm

1 stop20h 03m

$258

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 2/9

5:05 pm-11:07 pm

1 stop5h 02m

Kalispell Glacier Park

Tue 2/10

6:12 pm-11:52 pm

1 stop6h 40m

$265

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 2/8

5:05 pm-11:07 pm

1 stop5h 02m

Kalispell Glacier Park

Thu 2/12

6:12 pm-11:52 pm

1 stop6h 40m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 22 results
1
2
3

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, October is the cheapest month in which you can book a flight from Ontario to Kalispell (average of $373). Flying from Ontario to Kalispell in July is currently the most expensive (average of $600). 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.

What is the cheapest time of day to fly from ONT to FCA?

Find hourly flight availability from Ontario to Kalispell. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Ontario to Kalispell by exploring options for tickets in the afternoon.

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 August 14, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines 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
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $253 and $331 round-trip. Delta is currently priced 53% 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, October is the cheapest month in which you can book a flight from Ontario to Kalispell (average of $373). Flying from Ontario to Kalispell in July is currently the most expensive (average of $600). 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
East Glacier Park
Polson

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Top 3 airlines flying from Ontario to Kalispell

Discover the top 3 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$386FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$253Average$487FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$331Average$522FlexibilityNo cancel feeOn-time69%

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