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$173+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ONT
Feb 10 — Feb 171
Mon 2/10
Mon 2/17
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 February 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$173
(Alaska Airlines)

Popular in

August

Cheapest in

January

Average price

$382
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. 27% potential increase in price ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 5, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:59 pmFCA - ONT
1 stop6h 52mDelta
Mon 3/106:00 amONT - FCA
1 stop4h 40mDelta
Deal found 2/4$289
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.
Mon 3/36:59 pmFCA - ONT
1 stop5h 59mAlaska Airlines
Tue 3/116:00 amONT - FCA
1 stop5h 13mAlaska Airlines
Deal found 2/4$319
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/82:35 pmFCA - ONT
1 stop7h 22mUnited Airlines
Wed 3/121:40 pmONT - FCA
1 stop7h 04mUnited Airlines
Deal found 2/4$455

Find flights from Kalispell to Ontario within your budget

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 February 5, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 3/7

5:59 pm-11:51 pm

1 stop6h 52m

Ontario

Mon 3/10

6:00 am-11:40 am

1 stop4h 40m

$289

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Mon 3/3

6:59 pm-11:58 pm

1 stop5h 59m

Ontario

Tue 3/11

6:00 am-12:13 pm

1 stop5h 13m

$319

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Sat 3/8

2:35 pm-8:57 pm

1 stop7h 22m

Ontario

Wed 3/12

1:40 pm-9:44 pm

1 stop7h 04m

$455

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Tue 3/25

6:14 pm-11:59 pm

1 stop6h 45m

$173

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Tue 3/4

5:59 pm-11:51 pm

1 stop6h 52m

$210

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Mon 3/24

2:35 pm-12:44 pm

1 stop23h 09m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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 February.
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.

Travel insights for flights from Kalispell to Ontario

Get recent, data-driven insights about flights from Kalispell to Ontario including ideal travel times, pricing trends, and more.

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 $315). 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 February 5, 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 February 5, 2025.
Alaska Airlines
8.0
Very good
9,688 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,688 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,406 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,885 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 Delta is currently your cheapest option to Ontario, with prices starting at $289. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $319 and $455, respectively. Users have found that Delta is 40% 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 Alaska Airlines ($173), Delta ($210), and United Airlines ($383).

  • 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 $315). 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.

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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 February 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$455FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$253Average$463FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$296Average$529FlexibilityNo cancel feeOn-time69%
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