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$145+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ONT
abr 15 — abr 221
ter 4/15
ter 4/22
1 adult, Economy
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Cheap 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 abril 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Alaska Airlines)

One-way from

$145
(Delta)

Popular in

June

Cheapest in

April

Average price

$274
Provider with most accurate pricing for Kalispell Glacier Park-Ontario flight deals.
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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Ontario flights.
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From Kalispell Glacier Park to Ontario
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One-way flight from Kalispell Glacier Park to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Kalispell to Ontario

Cheapest flights from Kalispell to Ontario
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 abril 10, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
ter 5/62:15 pmFCA - ONT
1 stop7h 14mAlaska Airlines
qua 5/77:00 amONT - FCA
1 stop5h 32mAlaska Airlines
Deal found 4/10$244
This Hawaiian Airlines deal was found by Cheapflights users on 4/10. 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.
ter 5/62:15 pmFCA - ONT
1 stop7h 14mHawaiian Airlines
qui 5/811:46 amONT - FCA
1 stop5h 14mHawaiian Airlines
Deal found 4/10$254
This Delta deal was found by Cheapflights users on 4/9. 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.
qui 5/85:25 amFCA - ONT
1 stop4h 46mDelta
qui 5/156:00 amONT - FCA
1 stop4h 13mDelta
Deal found 4/9$265
This United Airlines deal was found by Cheapflights users on 4/10. 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.
seg 5/52:33 pmFCA - ONT
1 stop7h 20mUnited Airlines
qua 5/71:20 pmONT - FCA
1 stop7h 21mUnited Airlines
Deal found 4/10$325

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 abril 10, 2025.
Use the filters below to find and compare flights from Kalispell to Ontario that are best for you.

Fly from

Kalispell

Fly to

Ontario

Route

Depart

Return

Price

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

ter 5/6

2:15 pm-8:29 pm

1 stop7h 14m

Ontario

qua 5/7

7:00 am-1:32 pm

1 stop5h 32m

$244

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

ter 5/6

2:15 pm-8:29 pm

1 stop7h 14m

Ontario

qui 5/8

11:46 am-6:00 pm

1 stop5h 14m

$254

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

qui 5/8

5:25 am-9:11 am

1 stop4h 46m

Ontario

qui 5/15

6:00 am-11:13 am

1 stop4h 13m

$265

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

seg 5/5

2:33 pm-8:53 pm

1 stop7h 20m

Ontario

qua 5/7

1:20 pm-9:41 pm

1 stop7h 21m

$325

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

ter 7/29

5:25 am-8:58 am

1 stop4h 33m

$145

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

ter 5/13

2:15 pm-8:29 pm

1 stop7h 14m

$157

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

sáb 4/26

6:33 am-10:51 am

1 stop5h 18m

$169

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

qua 7/30

3:23 pm-11:55 pm

1 stop9h 32m

$205

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

sáb 8/2

7:45 am-12:14 pm

1 stop5h 29m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.
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

What is the cheapest month to book a flight from Kalispell to Ontario?

Currently, August is the cheapest month in which you can book a flight from Kalispell to Ontario (average of $246). Flying from Kalispell to Ontario in March is currently the most expensive (average of $328). 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 FCA to ONT?

Find hourly flight availability from Kalispell to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 10, 2025.

One of the essential ways to save on airfare from Kalispell to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 abril 10, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian 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.
Alaska Airlines
8.0
Very good
9,848 reviews

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,848 reviews
Alaska Airlines
8.0
Very good
9,848 reviews

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,906 reviews
Alaska Airlines
8.0
Very good
9,848 reviews

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,363 reviews
Alaska Airlines
8.0
Very good
9,848 reviews

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,634 reviews
Alaska Airlines
8.0
Very good
9,848 reviews

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,848 reviews

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    Flying on Alaska Airlines is currently your cheapest option to Ontario, with prices starting at $244. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at $254 and $265, respectively. Users have found that Alaska Airlines is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Kalispell to Ontario one-way?

    The cheapest airlines for a one-way flight from Kalispell to Ontario are Delta ($145), Hawaiian Airlines ($157), and Alaska Airlines ($169).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalispell to Ontario 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 Kalispell to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Kalispell to Ontario (average of $246). Flying from Kalispell to Ontario in March is currently the most expensive (average of $328). 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

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Top 3 airlines flying from Kalispell to Ontario

Discover the top 3 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 abril 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$363FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$253Average$479FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$296Average$528FlexibilityNo cancel feeOn-time69%

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