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 41% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 5 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.

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

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

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 October 2026, there are 3 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.

$145 Cheap Flights from Ontario to Kalispell in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Kalispell

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:04 pm - 10:45 pmONT Ontario-FCA Kalispell Glacier Park

4h 41m1 stop Salt Lake City

12:25 pm - 11:00 pmFCA Kalispell Glacier Park-ONT Ontario

11h 35m2 stops Salt Lake City Seattle/Tacoma Intl

$310Delta

Fri, Nov 13 - Mon, Nov 16

4:09 pm - 11:59 pmONT Ontario-FCA Kalispell Glacier Park

6h 50m1 stop Seattle/Tacoma Intl

1:55 pm - 6:17 pmFCA Kalispell Glacier Park-ONT Ontario

5h 22m1 stop Seattle/Tacoma Intl

$327Alaska Airlines

Wed, Nov 4 - Tue, Nov 10

1:29 pm - 9:51 pmONT Ontario-FCA Kalispell Glacier Park

7h 22m1 stop Denver Intl

2:36 pm - 8:51 pmFCA Kalispell Glacier Park-ONT Ontario

7h 15m1 stop Denver Intl

$327United Airlines

Tue, Nov 3 - Sat, Nov 14

1:29 pm - 9:51 pmONT Ontario-FCA Kalispell Glacier Park

7h 22m1 stop Denver Intl

2:36 pm - 8:51 pmFCA Kalispell Glacier Park-ONT Ontario

7h 15m1 stop Denver Intl

$327United Airlines

Sat, Nov 7 - Tue, Nov 10

5:03 pm - 10:57 pmONT Ontario-FCA Kalispell Glacier Park

4h 54m1 stop Salt Lake City

6:17 pm - 11:49 pmFCA Kalispell Glacier Park-ONT Ontario

6h 32m1 stop Salt Lake City

$327Delta

Fri, Nov 6 - Tue, Nov 10

6:00 am - 11:37 amONT Ontario-FCA Kalispell Glacier Park

4h 37m1 stop Salt Lake City

6:17 pm - 11:49 pmFCA Kalispell Glacier Park-ONT Ontario

6h 32m1 stop Salt Lake City

$327Delta

Fri, Nov 6 - Thu, Nov 12

4:09 pm - 11:59 pmONT Ontario-FCA Kalispell Glacier Park

6h 50m1 stop Seattle/Tacoma Intl

6:34 pm - 11:06 pmFCA Kalispell Glacier Park-ONT Ontario

5h 32m1 stop Seattle/Tacoma Intl

$327Alaska Airlines

Wed, Nov 4 - Fri, Nov 13

5:00 am - 1:34 pmONT Ontario-FCA Kalispell Glacier Park

7h 34m1 stop Denver Intl

6:14 am - 12:33 pmFCA Kalispell Glacier Park-ONT Ontario

7h 19m1 stop Denver Intl

$327United Airlines

Mon, Nov 2 - Wed, Nov 18

5:03 pm - 10:57 pmONT Ontario-FCA Kalispell Glacier Park

4h 54m1 stop Salt Lake City

6:17 pm - 11:49 pmFCA Kalispell Glacier Park-ONT Ontario

6h 32m1 stop Salt Lake City

$327Delta

Tue, Nov 3 - Thu, Nov 12

4:16 pm - 10:57 pmONT Ontario-FCA Kalispell Glacier Park

5h 41m1 stop Seattle/Tacoma Intl

7:37 pm - 10:38 amFCA Kalispell Glacier Park-ONT Ontario

16h 01m1 stop Seattle/Tacoma Intl

$338Alaska Airlines

Sat, Jan 9 - Mon, Jan 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 11:37 amONT Ontario-FCA Kalispell Glacier Park

4h 37m1 stop Salt Lake City

5:30 am - 8:55 amFCA Kalispell Glacier Park-ONT Ontario

4h 25m1 stop Salt Lake City

$509Delta

Mon, Oct 12 - Tue, Oct 13

5:03 pm - 10:57 pmONT Ontario-FCA Kalispell Glacier Park

4h 54m1 stop Salt Lake City

5:30 am - 8:55 amFCA Kalispell Glacier Park-ONT Ontario

4h 25m1 stop Salt Lake City

$509Delta

Sat, Oct 10 - Tue, Oct 13

9:45 am - 5:33 pmONT Ontario-FCA Kalispell Glacier Park

6h 48m1 stop Salt Lake City

5:30 am - 8:55 amFCA Kalispell Glacier Park-ONT Ontario

4h 25m1 stop Salt Lake City

$509Delta

Sun, Oct 11 - Tue, Oct 13

8:03 am - 3:16 pmONT Ontario-FCA Kalispell Glacier Park

6h 13m1 stop San Francisco

4:17 pm - 10:51 pmFCA Kalispell Glacier Park-ONT Ontario

7h 34m1 stop San Francisco

$559United Airlines

Sat, Oct 10 - Thu, Oct 15

2:13 pm - 10:59 pmONT Ontario-FCA Kalispell Glacier Park

7h 46m1 stop Seattle/Tacoma Intl

8:01 am - 1:16 pmFCA Kalispell Glacier Park-ONT Ontario

6h 15m1 stop Seattle/Tacoma Intl

$564Alaska Airlines

Sat, Oct 10 - Thu, Oct 15

1:24 pm - 9:36 pmONT Ontario-FCA Kalispell Glacier Park

7h 12m1 stop Denver Intl

2:30 pm - 8:58 pmFCA Kalispell Glacier Park-ONT Ontario

7h 28m1 stop Denver Intl

$569United Airlines

Fri, Oct 9 - Sat, Oct 10

9:25 am - 3:16 pmONT Ontario-FCA Kalispell Glacier Park

4h 51m1 stop San Francisco

4:17 pm - 10:51 pmFCA Kalispell Glacier Park-ONT Ontario

7h 34m1 stop San Francisco

$569United Airlines

Sun, Oct 11 - Mon, Oct 12

6:56 pm - 12:23 pmONT Ontario-FCA Kalispell Glacier Park

16h 27m1 stop Seattle/Tacoma Intl

8:01 am - 1:16 pmFCA Kalispell Glacier Park-ONT Ontario

6h 15m1 stop Seattle/Tacoma Intl

$817Alaska Airlines

Fri, Oct 9 - Sun, Oct 11

7:34 pm - 1:42 pmONT Ontario-FCA Kalispell Glacier Park

17h 08m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

1:58 pm - 12:14 pmFCA Kalispell Glacier Park-ONT Ontario

23h 16m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

$1,067American Airlines

Sun, Oct 11 - Tue, Oct 13

12:43 pm - 1:27 pmONT Ontario-FCA Kalispell Glacier Park

23h 44m2 stops Dallas/Fort Worth Chicago O'Hare Intl

1:58 pm - 12:14 pmFCA Kalispell Glacier Park-ONT Ontario

23h 16m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

$1,067American Airlines

Sat, Oct 10 - Tue, Oct 13

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Delta flights from Ontario to Kalispell

Our best Delta deals on Ontario to Kalispell flight tickets

Delta

Nov 7

ONT6:00 amOntario

4h 37m

1 stop

FCA11:37 amKalispell Glacier Park

Nov 11

FCA12:25 pmKalispell Glacier Park

11h 35m

2 stops

ONT11:00 pmOntario

$300

Delta

Nov 13

ONT5:04 pmOntario

4h 41m

1 stop

FCA10:45 pmKalispell Glacier Park

Nov 16

FCA12:25 pmKalispell Glacier Park

11h 35m

2 stops

ONT11:00 pmOntario

$310

Delta

Nov 7

ONT6:00 amOntario

4h 37m

1 stop

FCA11:37 amKalispell Glacier Park

Nov 14

FCA12:25 pmKalispell Glacier Park

11h 35m

2 stops

ONT11:00 pmOntario

$320

Alaska Airlines flights from Ontario to Kalispell

Our best Alaska Airlines deals on Ontario to Kalispell flight tickets

Alaska Airlines

Jan 11

ONT7:10 amOntario

5h 01m

1 stop

FCA1:11 pmKalispell Glacier Park

Jan 19

FCA7:37 pmKalispell Glacier Park

16h 01m

1 stop

ONT10:38 amOntario

$354

Alaska Airlines

Jan 16

ONT4:16 pmOntario

5h 41m

1 stop

FCA10:57 pmKalispell Glacier Park

Jan 30

FCA7:37 pmKalispell Glacier Park

16h 01m

1 stop

ONT10:38 amOntario

$373

Alaska Airlines

Jan 11

ONT4:16 pmOntario

5h 41m

1 stop

FCA10:57 pmKalispell Glacier Park

Jan 19

FCA12:51 pmKalispell Glacier Park

5h 26m

1 stop

ONT5:17 pmOntario

$381

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Fri 11/13

5:04 pm-10:45 pm

1 stop4h 41m

Kalispell Glacier Park

Mon 11/16

12:25 pm-11:00 pm

2 stops11h 35m

$310

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Wed 11/4

4:09 pm-11:59 pm

1 stop6h 50m

Kalispell Glacier Park

Tue 11/10

1:55 pm-6:17 pm

1 stop5h 22m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Tue 11/3

1:29 pm-9:51 pm

1 stop7h 22m

Kalispell Glacier Park

Sat 11/14

2:36 pm-8:51 pm

1 stop7h 15m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Sat 11/7

1:29 pm-9:51 pm

1 stop7h 22m

Kalispell Glacier Park

Tue 11/10

2:36 pm-8:51 pm

1 stop7h 15m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Fri 11/6

5:03 pm-10:57 pm

1 stop4h 54m

Kalispell Glacier Park

Tue 11/10

6:17 pm-11:49 pm

1 stop6h 32m

$327

Quickest round-trip

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Fri 11/6

6:00 am-11:37 am

1 stop4h 37m

Kalispell Glacier Park

Thu 11/12

6:17 pm-11:49 pm

1 stop6h 32m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Wed 11/4

4:09 pm-11:59 pm

1 stop6h 50m

Kalispell Glacier Park

Fri 11/13

6:34 pm-11:06 pm

1 stop5h 32m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Mon 11/2

5:00 am-1:34 pm

1 stop7h 34m

Kalispell Glacier Park

Wed 11/18

6:14 am-12:33 pm

1 stop7h 19m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Tue 11/3

5:03 pm-10:57 pm

1 stop4h 54m

Kalispell Glacier Park

Thu 11/12

6:17 pm-11:49 pm

1 stop6h 32m

$327

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Sat 1/9

4:16 pm-10:57 pm

1 stop5h 41m

Kalispell Glacier Park

Mon 1/11

7:37 pm-10:38 am

1 stop16h 01m

$338

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 March is, on average, the cheapest month to fly to Kalispell from Ontario, with most prices found around $0. If you aren’t able to travel to Kalispell during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $267.

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 $541. The most expensive day to fly to Kalispell is Sunday, with ticket prices averaging around $737.

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 $398. 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 $596 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

Best Price Found	$145
Fastest flight time	4h 37m
Direct flights	None

The best one-way flight to Kalispell from Ontario in the past 72 hours is $145. The best round-trip flight deal from Ontario to Kalispell found on momondo in the last 72 hours is $310.

The fastest flight from Ontario to Kalispell takes 4h 37m

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

Search flight deals

Frequently asked questions about flying from Ontario to Kalispell

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 37m.
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 October 2026, there are 3 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 48% of all bookings. The subsequent popular airlines are Alaska Airlines at 28% and United Airlines at 24%.

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 $189	Free Cancellation	Rating 7.8 8,645 reviews	Search Delta flights
Alaska Airlines	PriceFrom $210	Free Cancellation	Rating 7.9 13,037 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.4 10,319 reviews	Search United Airlines flights

Whitefish

East Glacier Park

Polson

Columbia Falls

Cut Bank

Eureka

Essex

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.