Cheap Flights from Ontario International (ONT) to Kalispell (FCA)

Compare Ontario International to Kalispell flight deals

Find the cheapest month or even day of the year to fly to Kalispell

Book the best Kalispell fare with no extra fees

Flight deals from Ontario International to Kalispell

Looking for a cheap last-minute deal or the best round-trip flight from Ontario International to Kalispell? Find the lowest prices on one-way and round-trip tickets right here.

Kalispell.$115 per passenger.Departing Mon, Aug 4.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Mon, Aug 4, arriving in Kalispell.Price includes taxes and charges.From $115, select.

Kalispell.$115 per passenger.Departing Mon, Sep 8.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Mon, Sep 8, arriving in Kalispell.Price includes taxes and charges.From $115, select.

Kalispell.$150 per passenger.Departing Wed, Jul 9.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Wed, Jul 9, arriving in Kalispell.Price includes taxes and charges.From $150, select.

Kalispell.$265 per passenger.Departing Mon, Jun 30.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Ontario International on Mon, Jun 30, arriving in Kalispell.Price includes taxes and charges.From $265, select.

Kalispell.$285 per passenger.Departing Wed, Dec 24.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Wed, Dec 24, arriving in Kalispell.Price includes taxes and charges.From $285, select.

Kalispell.$329 per passenger.Departing Sun, Jan 4.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from Ontario International on Sun, Jan 4, arriving in Kalispell.Price includes taxes and charges.From $329, select.

Find the cheapest month to fly from Ontario International to Kalispell

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Kalispell flights are currently cheapest in August.

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Ontario International to Kalispell: Alternative routes

Compare routes from Ontario International to Kalispell below. You may find an airport to fly into that's cheaper, faster, or easier than Kalispell.

Ontario to Kalispell: Flight information

The things to know before you go.

Cheapest flight found	$115
Cheapest month to fly	August

Finding cheap flights from Ontario International to Kalispell: Frequently asked questions

How much are round-trip flights from Ontario International to Kalispell?

The best price we found for a round-trip flight from Ontario International to Kalispell is $238. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Ontario International to Kalispell?

Currently, there are no airlines that fly direct from Ontario International to Kalispell. But we found flights with one or more stops from $238.

How many flights are there a week from Ontario International to Kalispell?

There are no flights flying from Ontario International to Kalispell, as of June 2025.

When is the cheapest time to fly from Ontario International to Kalispell?

The cheapest month to fly from Ontario International to Kalispell is usually June 2025.

Which upcoming date is cheapest to fly from Ontario International Airport to Kalispell Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Kalispell Airport on Wednesday, July 30, 2025.

Can I get a direct flight from Ontario International Airport to Kalispell Airport?

No airlines currently offer direct flights between Ontario International Airport and Kalispell Airport. Most routes have one or more stops.

How can I find the best flight deal to Kalispell?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kalispell but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Kalispell?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Kalispell is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Ontario International Airport to Kalispell?

Currently, Frontier Airlines offers the cheapest flight tickets to Kalispell.

Flying from Ontario International Airport (ONT) to Glacier Park International Airport (FCA): what you need to know

Leave enough time to make your ONT to FCA flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
You'll likely experience longer queues during popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.
Think about adding a stopover when booking your ticket from Ontario International Airport to Glacier Park International Airport. Simply deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Check out these options between ONT and FCA:
- Metropolitan Oakland International Airport
- Salt Lake City International Airport
- San Francisco International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Glacier Park International Airport (FCA)

The cheapest price we've found for a one-way Ontario International Airport to Glacier Park International Airport flight is $115. A round-trip ticket is currently $238. Depending on the availability and when you book, these fares could change.
It's a good idea to book in advance if you want to find cheap tickets from ONT to FCA. That's because flight prices are based on demand, which tends to rise closer to the date of departure.
Getting cheap flights from Ontario International Airport to Glacier Park International Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' search function to see the best prices across every month and score a great deal.
Save time looking for cheap flights from ONT to FCA by creating a Price Alert. We'll send you an email or notification on the app when a new low fare is offered.
Pick your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Ontario International Airport to Glacier Park International Airport.

Handy information about Ontario International Airport (ONT)

The address for ONT is 2900 E. Airport Drive.
Ontario International Airport maintains a strong on-time record, so flight disruptions are less likely. Departures from ONT make it to their destination as scheduled 83.6% of the time.
Central Ontario to Ontario International Airport is approximately 4 miles. Depending on traffic, it'll take you about 10 minutes to get there if you're driving, ride-sharing or catching a cab.
Planning to take public transport? Expect a trip time of around 1 hour 30 minutes.
Have an early flight from Ontario International Airport to Glacier Park International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these hotels close to ONT:

Arriving at Glacier Park International Airport (FCA)

If you're coming in on a late Ontario International Airport to Glacier Park International Airport flight, few things top the convenience of being close to the terminal. Grab your bags from the carousel and then be showered and resting not long after at one of these hotels near FCA:
Hit the road running by picking up a Glacier Park International Airport rental car. Grab your wheels from Avis, Enterprise or Budget and experience the lesser-explored corners of Kalispell and beyond.
Booking your ride from Glacier Park International Airport around two weeks ahead gives you the best shot at securing a great deal.

Getting from Glacier Park International Airport (FCA) to central Kalispell

FCA is located at 4170 Highway 2 East.
Glacier Park International Airport to the center of Kalispell has a drive time of around 20 minutes. It's approximately 10 miles away.

When to fly to Glacier Park International Airport (FCA)

The quietest month for a flight from Ontario International Airport to Glacier Park International Airport is November, while July is the most popular. Choose the best time to visit Kalispell based on whether you prefer a laid-back vibe or a more bustling atmosphere.
The warmest month in Kalispell is July, with the temperature ranging between 45ºF and 90ºF. Lock in your flights from Ontario International Airport to Glacier Park International Airport in this month if this is the kind of weather you like.
Search for cheap tickets from ONT to FCA in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 1ºF and 34ºF on average.

Explore more of United States

Kalispell has its own special appeal, but there are so many other parts of United States waiting to be discovered. Around 150 miles west of Kalispell, a trip to Spokane will keep you on the go. Start with leading sights like Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.
Spokane Valley is another well-known destination in United States and is around 140 miles west of Kalispell. No trip is complete without dropping by Splash Down Waterpark, The Ref Sports Bar and Bead Lake Loop.