$120 Cheap Flights from Ontario (ONT) to Kalispell (FCA)

View $120 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA)

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Cheap Flights from Ontario to Kalispell (ONT-FCA)

Prices were available within the past 7 days and start at $120 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Nov 5 - Mon, Nov 10
ONT
Ontario
FCA
Kalispell
$240 Roundtrip, found 5 hours ago
$240
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Nov 5 from Ontario to Kalispell, returning Mon, Nov 10, priced at $240 found 5 hours ago
Hawaiian Airlines
Tue, Oct 21 - Tue, Oct 28
ONT
Ontario
FCA
Kalispell
$240 Roundtrip, found 6 days ago
$240
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 21 from Ontario to Kalispell, returning Tue, Oct 28, priced at $240 found 6 days ago
United
Sun, Sep 28 - Fri, Oct 3
ONT
Ontario
FCA
Kalispell
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 28 from Ontario to Kalispell, returning Fri, Oct 3, priced at $241 found 1 day ago
Delta
Sun, Nov 16 - Tue, Dec 2
ONT
Ontario
FCA
Kalispell
$241 Roundtrip, just found
$241
Roundtrip
just found
Select Delta flight, departing Sun, Nov 16 from Ontario to Kalispell, returning Tue, Dec 2, priced at $241 just found
American Airlines
Sun, Aug 24 - Thu, Sep 4
ONT
Ontario
FCA
Kalispell
$241 Roundtrip, found 7 hours ago
$241
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Ontario to Kalispell, returning Thu, Sep 4, priced at $241 found 7 hours ago
Delta
Wed, Oct 8 - Wed, Oct 15
ONT
Ontario
FCA
Kalispell
$242 Roundtrip, found 13 hours ago
$242
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Oct 8 from Ontario to Kalispell, returning Wed, Oct 15, priced at $242 found 13 hours ago
Alaska Airlines
Mon, Sep 8 - Wed, Sep 10
ONT
Ontario
FCA
Kalispell
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Sep 8 from Ontario to Kalispell, returning Wed, Sep 10, priced at $244 found 1 day ago
Delta
Thu, Oct 2 - Tue, Oct 7
ONT
Ontario
FCA
Kalispell
$248 Roundtrip, found 4 days ago
$248
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Oct 2 from Ontario to Kalispell, returning Tue, Oct 7, priced at $248 found 4 days ago
United
Wed, Aug 20 - Wed, Aug 27
ONT
Ontario
FCA
Kalispell
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 20 from Ontario to Kalispell, returning Wed, Aug 27, priced at $263 found 3 days ago
United
Wed, Oct 8 - Wed, Oct 15
ONT
Ontario
FCA
Kalispell
$264 Roundtrip, found 13 hours ago
$264
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 8 from Ontario to Kalispell, returning Wed, Oct 15, priced at $264 found 13 hours ago

Find the cheapest month to fly from Ontario (ONT) to Kalispell (FCA)

January is typically the cheapest month to fly

From $220 - $531 per traveler.

Graph displaying average flight prices per month

Alternative airports near Kalispell

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Glacier Park Intl. FCA. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $612
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $612
Flights from Ontario (ONT) to Kalispell (FCA)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$240
Distance
999 mi

Ontario to Kalispell Flights

The cheapest times to fly from Ontario to Kalispell

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Kalispell are during the month of November. You can find some of the cheapest flights from Ontario to Kalispell with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Kalispell

Sunday is one of the best days to book for cheap flights from Ontario to Kalispell: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Kalispell

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Kalispell in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Kalispell flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Kalispell airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA) cost?
Discover the latest flight deals from ONT to FCA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to FCA?
The cheapest flights from ONT to FCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA)?
Although Ontario, CA (ONT-Los Angeles - Ontario Intl.) has no direct flights to Glacier Park Intl. Airport (FCA), other airports have nonstop options. Flying from Los Angeles Intl. Airport (LAX) will get you to Kalispell without any detours.
What is the cheapest airline that flies from ONT to FCA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ONT to FCA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA)?
There are no daily nonstop flights departing from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from ONT to FCA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA)?
To arrive at Glacier Park Intl. Airport (FCA) on schedule, choose a flight that leaves Los Angeles - Ontario Intl. Airport (ONT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA) last-minute?
Booking your plane ticket from ONT to FCA right before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book an ONT to FCA flight and hotel package?
You can save money by securing an ONT to FCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Glacier Park Intl. Airport (FCA)?
It's generally possible to cancel or reschedule your ONT to FCA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.