What is the cheapest airline that flies from Ontario to Kalispell Glacier Park?

Delta and Alaska Airlines are the most popular carriers operating from Ontario to Kalispell Glacier Park

What airlines fly to Kalispell?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Kalispell from Ontario according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 7 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Kalispell Glacier Park Airport?

Prices for flights from Ontario Airport to Kalispell Glacier Park Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Kalispell Glacier Park Airport?

As of March 2026, there are 2 operators available to choose from for flights from Ontario Airport to Kalispell Glacier Park Airport.

How old do you have to be to fly from Ontario Airport to Kalispell Glacier Park Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kalispell Glacier Park Airport.

What documentation or ID do you need to fly to Kalispell Glacier Park Airport?

The travel and health documents required for your trip to Kalispell Glacier Park Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kalispell Glacier Park Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$139 Cheap Flights from Ontario to Kalispell in 2026

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Find the cheapest flights from Ontario to Kalispell

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 pm - 11:27 pm

ONT

FCA

5h 22m

1 stop

5:13 am - 8:53 am

FCA

ONT

4h 40m

1 stop

$277Delta

Tue, May 5 - Sun, May 10

11:53 am - 11:27 pm

ONT

FCA

10h 34m

2 stops

5:13 am - 8:53 am

FCA

ONT

4h 40m

1 stop

$282Delta

Tue, May 5 - Mon, May 11

5:09 pm - 11:41 pm

ONT

FCA

5h 32m

1 stop

6:45 pm - 10:48 pm

FCA

ONT

5h 03m

1 stop

$288Delta

Fri, Apr 3 - Sat, Apr 11

6:00 am - 12:03 pm

ONT

FCA

5h 03m

1 stop

7:28 pm - 11:59 pm

FCA

ONT

5h 31m

1 stop

$298Alaska Airlines

Thu, May 7 - Mon, May 11

6:00 am - 11:23 am

ONT

FCA

4h 23m

1 stop

6:07 pm - 10:45 pm

FCA

ONT

5h 38m

1 stop

$311Delta

Wed, May 6 - Sat, May 9

6:00 am - 11:28 am

ONT

FCA

4h 28m

1 stop

5:19 am - 8:47 am

FCA

ONT

4h 28m

1 stop

$312Delta

Sun, Jun 21 - Wed, Jun 24

5:05 pm - 11:27 pm

ONT

FCA

5h 22m

1 stop

5:05 am - 1:39 pm

FCA

ONT

9h 34m

2 stops

$316Delta

Tue, Apr 14 - Tue, Apr 21

4:00 pm - 11:59 pm

ONT

FCA

6h 59m

1 stop

2:10 pm - 6:13 pm

FCA

ONT

5h 03m

1 stop

$319Alaska Airlines

Fri, Aug 21 - Thu, Aug 27

6:00 am - 11:26 am

ONT

FCA

4h 26m

1 stop

6:45 pm - 10:48 pm

FCA

ONT

5h 03m

1 stop

$329Delta

Tue, Apr 7 - Sat, Apr 11

5:09 pm - 11:41 pm

ONT

FCA

5h 32m

1 stop

6:45 pm - 10:48 pm

FCA

ONT

5h 03m

1 stop

$339Delta

Mon, Apr 6 - Sat, Apr 11

Alaska Airlines flights from Ontario to Kalispell

Our best Alaska Airlines deals on Ontario to Kalispell flight tickets

Alaska Airlines

May 7

ONT6:00 amOntario

5h 03m

1 stop

FCA12:03 pmKalispell Glacier Park

May 10

FCA7:28 pmKalispell Glacier Park

5h 31m

1 stop

ONT11:59 pmOntario

$298

Alaska Airlines

Aug 21

ONT4:00 pmOntario

6h 59m

1 stop

FCA11:59 pmKalispell Glacier Park

Aug 27

FCA2:10 pmKalispell Glacier Park

5h 03m

1 stop

ONT6:13 pmOntario

$319

Alaska Airlines

May 8

ONT3:26 pmOntario

7h 25m

1 stop

FCA11:51 pmKalispell Glacier Park

May 11

FCA7:28 pmKalispell Glacier Park

5h 31m

1 stop

ONT11:59 pmOntario

$346

Delta flights from Ontario to Kalispell

Our best Delta deals on Ontario to Kalispell flight tickets

Delta

May 5

ONT6:00 amOntario

4h 23m

1 stop

FCA11:23 amKalispell Glacier Park

May 11

FCA5:13 amKalispell Glacier Park

4h 40m

1 stop

ONT8:53 amOntario

$277

Delta

May 5

ONT11:53 amOntario

10h 34m

2 stops

FCA11:27 pmKalispell Glacier Park

May 11

FCA5:13 amKalispell Glacier Park

4h 40m

1 stop

ONT8:53 amOntario

$282

Delta

Apr 3

ONT5:09 pmOntario

5h 32m

1 stop

FCA11:41 pmKalispell Glacier Park

Apr 11

FCA6:45 pmKalispell Glacier Park

5h 03m

1 stop

ONT10:48 pmOntario

$288

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 5/5

5:05 pm-11:27 pm

1 stop5h 22m

Kalispell Glacier Park

Sun 5/10

5:13 am-8:53 am

1 stop4h 40m

$277

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 5/5

11:53 am-11:27 pm

2 stops10h 34m

Kalispell Glacier Park

Mon 5/11

5:13 am-8:53 am

1 stop4h 40m

$282

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Fri 4/3

5:09 pm-11:41 pm

1 stop5h 32m

Kalispell Glacier Park

Sat 4/11

6:45 pm-10:48 pm

1 stop5h 03m

$288

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Thu 5/7

6:00 am-12:03 pm

1 stop5h 03m

Kalispell Glacier Park

Mon 5/11

7:28 pm-11:59 pm

1 stop5h 31m

$298

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 5/6

6:00 am-11:23 am

1 stop4h 23m

Kalispell Glacier Park

Sat 5/9

6:07 pm-10:45 pm

1 stop5h 38m

$311

Quickest round-trip

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 6/21

6:00 am-11:28 am

1 stop4h 28m

Kalispell Glacier Park

Wed 6/24

5:19 am-8:47 am

1 stop4h 28m

$312

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 4/14

5:05 pm-11:27 pm

1 stop5h 22m

Kalispell Glacier Park

Tue 4/21

5:05 am-1:39 pm

2 stops9h 34m

$316

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Fri 8/21

4:00 pm-11:59 pm

1 stop6h 59m

Kalispell Glacier Park

Thu 8/27

2:10 pm-6:13 pm

1 stop5h 03m

$319

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 4/7

6:00 am-11:26 am

1 stop4h 26m

Kalispell Glacier Park

Sat 4/11

6:45 pm-10:48 pm

1 stop5h 03m

$329

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 4/6

5:09 pm-11:41 pm

1 stop5h 32m

Kalispell Glacier Park

Sat 4/11

6:45 pm-10:48 pm

1 stop5h 03m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Kalispell

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Kalispell?

The month of May is, on average, the cheapest month to fly to Kalispell from Ontario, with most prices found around $253. If you aren’t able to travel to Kalispell during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $278.

What is the cheapest day to depart on your flight to Kalispell?

The cheapest day to depart from Ontario to Kalispell is on a Saturday. Travelers who choose to depart for Kalispell on a Saturday will often find tickets for as low as $514. The most expensive day to fly to Kalispell is Thursday, with ticket prices averaging around $613.

What is the cheapest time of day to depart on your flight to Kalispell?

According to our data, the cheapest time of day to fly to Kalispell is in the afternoon. momondo users have found flights departing from Ontario to Kalispell in the afternoon for as low as $359. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Kalispell, so prices are often more expensive at around $568 per ticket.

How have Ontario to Kalispell flight prices changed over time?

When to book flights from Ontario to Kalispell

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Kalispell according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Kalispell (ONT to FCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Kalispell

Fastest flight time	4h 23m
Direct flights	None

The fastest flight from Ontario to Kalispell takes 4h 23m

There are no direct flights from Ontario to Kalispell. There are no popular flight routes from Ontario to Kalispell.

Search flight deals

How far is Ontario to Kalispell Glacier Park by plane?
Ontario and Kalispell Glacier Park are 990.8 mi apart from one another. In terms of flight time, this usually takes a little over 4h 23m.
When did momondo last update prices for flights from Ontario Airport to Kalispell Glacier Park Airport?
Prices for flights from Ontario Airport to Kalispell Glacier Park Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Kalispell Glacier Park Airport?
As of March 2026, there are 2 operators available to choose from for flights from Ontario Airport to Kalispell Glacier Park Airport.
How old do you have to be to fly from Ontario Airport to Kalispell Glacier Park Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kalispell Glacier Park Airport.
What documentation or ID do you need to fly to Kalispell Glacier Park Airport?
The travel and health documents required for your trip to Kalispell Glacier Park Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kalispell Glacier Park Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Kalispell?
momondo data reveals that the most frequently booked airline on the route from Ontario to Kalispell is Delta, representing 73% of all bookings. The subsequent popular airline is Alaska Airlines at 27%.

Best airlines flying from Ontario to Kalispell

Compare and see reviews for airlines that fly from Ontario to Kalispell with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 8,321 reviews		Search Delta flights
Alaska Airlines	PriceFrom $210	Free Cancellation	Rating 7.9 12,101 reviews		Search Alaska Airlines flights

Whitefish

Polson

Columbia Falls

East Glacier Park

Cut Bank

Essex

Eureka

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Kalispell?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Kalispell for you.

Can I find flights from Ontario to Kalispell with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kalispell from Ontario with this policy.

How can momondo help me find flights from Ontario to Kalispell?

Once all potential Ontario to Kalispell flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Kalispell right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Kalispell now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kalispell and let you know when they change.