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 42% 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?

United Airlines and Delta 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 August 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.

$134 Cheap Flights from Ontario to Kalispell in 2026

Discover deals from 900+ travel sites with momondo.

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.

8:35 pm - 5:11 pmONT Ontario-FCA Kalispell Glacier Park

19h 36m1 stop Las Vegas Harry Reid Intl

8:08 pm - 9:09 amFCA Kalispell Glacier Park-ONT Ontario

14h 01m1 stop Las Vegas Harry Reid Intl

$215Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

8:00 am - 5:11 pmONT Ontario-FCA Kalispell Glacier Park

8h 11m1 stop Las Vegas Harry Reid Intl

8:08 pm - 9:09 amFCA Kalispell Glacier Park-ONT Ontario

14h 01m1 stop Las Vegas Harry Reid Intl

$225Multiple Airlines

Fri, Oct 16 - Mon, Oct 19

8:35 pm - 5:11 pmONT Ontario-FCA Kalispell Glacier Park

19h 36m1 stop Las Vegas Harry Reid Intl

8:08 pm - 11:50 pmFCA Kalispell Glacier Park-ONT Ontario

28h 42m2 stops Las Vegas Harry Reid Intl Denver Intl

$265Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

5:15 pm - 10:54 pmONT Ontario-FCA Kalispell Glacier Park

4h 39m1 stop Salt Lake City

5:30 am - 9:02 amFCA Kalispell Glacier Park-ONT Ontario

4h 32m1 stop Salt Lake City

$307Delta

Sat, Sep 19 - Wed, Sep 23

5:15 pm - 10:54 pmONT Ontario-FCA Kalispell Glacier Park

4h 39m1 stop Salt Lake City

6:00 pm - 11:47 pmFCA Kalispell Glacier Park-ONT Ontario

6h 47m1 stop Salt Lake City

$307Delta

Sat, Sep 19 - Thu, Sep 24

11:36 am - 6:57 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

1:51 pm - 10:41 pmFCA Kalispell Glacier Park-ONT Ontario

9h 50m1 stop Seattle/Tacoma Intl

$307Alaska Airlines

Tue, Jan 5 - Sat, Jan 9

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

7h 46m1 stop Seattle/Tacoma Intl

7:45 pm - 11:42 pmFCA Kalispell Glacier Park-ONT Ontario

4h 57m1 stop Seattle/Tacoma Intl

$307Alaska Airlines

Thu, Oct 15 - Thu, Oct 22

5:00 am - 1:28 pmONT Ontario-FCA Kalispell Glacier Park

7h 28m1 stop Denver Intl

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

7h 28m1 stop Denver Intl

$307United Airlines

Thu, Oct 15 - Thu, Oct 22

5:15 pm - 10:54 pmONT Ontario-FCA Kalispell Glacier Park

4h 39m1 stop Salt Lake City

5:30 am - 9:02 amFCA Kalispell Glacier Park-ONT Ontario

4h 32m1 stop Salt Lake City

$307Delta

Mon, Sep 14 - Tue, Sep 22

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

7h 34m1 stop Denver Intl

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

7h 15m1 stop Denver Intl

$439United Airlines

Wed, Nov 4 - Thu, Nov 12

Cheap last minute flights

Enter your travel dates to find the best prices.

12:00 pm - 7:21 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

6:08 pm - 11:24 pmFCA Kalispell Glacier Park-ONT Ontario

6h 16m1 stop Seattle/Tacoma Intl

$489Alaska Airlines

Thu, Aug 27 - Mon, Aug 31

12:00 pm - 7:21 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

8:01 pm - 11:04 amFCA Kalispell Glacier Park-ONT Ontario

16h 03m1 stop Seattle/Tacoma Intl

$549Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

12:00 pm - 7:21 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

6:08 pm - 11:24 pmFCA Kalispell Glacier Park-ONT Ontario

6h 16m1 stop Seattle/Tacoma Intl

$549Alaska Airlines

Thu, Aug 27 - Fri, Aug 28

12:00 pm - 7:21 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

6:08 pm - 11:24 pmFCA Kalispell Glacier Park-ONT Ontario

6h 16m1 stop Seattle/Tacoma Intl

$549Alaska Airlines

Wed, Aug 26 - Fri, Aug 28

12:00 pm - 7:21 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

8:01 pm - 11:04 amFCA Kalispell Glacier Park-ONT Ontario

16h 03m1 stop Seattle/Tacoma Intl

$549Alaska Airlines

Wed, Aug 26 - Sat, Aug 29

9:01 am - 3:21 pmONT Ontario-FCA Kalispell Glacier Park

5h 20m1 stop San Francisco

2:31 pm - 8:53 pmFCA Kalispell Glacier Park-ONT Ontario

7h 22m1 stop Denver Intl

$564United Airlines

Thu, Aug 27 - Sat, Aug 29

7:12 am - 1:28 pmONT Ontario-FCA Kalispell Glacier Park

5h 16m1 stop Portland

6:08 pm - 11:24 pmFCA Kalispell Glacier Park-ONT Ontario

6h 16m1 stop Seattle/Tacoma Intl

$730Alaska Airlines

Wed, Aug 26 - Fri, Aug 28

12:00 pm - 7:21 pmONT Ontario-FCA Kalispell Glacier Park

6h 21m1 stop Seattle/Tacoma Intl

6:08 pm - 9:51 amFCA Kalispell Glacier Park-ONT Ontario

16h 43m2 stops Seattle/Tacoma Intl Portland

$834Alaska Airlines

Wed, Aug 26 - Sat, Aug 29

4:50 pm - 12:28 pmONT Ontario-FCA Kalispell Glacier Park

18h 38m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

8:01 pm - 11:04 amFCA Kalispell Glacier Park-ONT Ontario

16h 03m1 stop Seattle/Tacoma Intl

$875Alaska Airlines

Thu, Aug 27 - Sat, Aug 29

3:07 pm - 10:56 pmONT Ontario-FCA Kalispell Glacier Park

6h 49m1 stop Seattle/Tacoma Intl

6:08 pm - 9:48 amFCA Kalispell Glacier Park-ONT Ontario

16h 40m2 stops Seattle/Tacoma Intl Portland

$875Alaska Airlines

Thu, Aug 27 - Mon, Aug 31

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Ontario to Kalispell

Our best Alaska Airlines deals on Ontario to Kalispell flight tickets

Alaska Airlines

Oct 14

ONT6:02 amOntario

5h 21m

1 stop

FCA12:23 pmKalispell Glacier Park

Oct 17

FCA7:45 pmKalispell Glacier Park

15h 32m

1 stop

ONT10:17 amOntario

$334

Alaska Airlines

Oct 10

ONT11:13 amOntario

6h 52m

1 stop

FCA7:05 pmKalispell Glacier Park

Oct 15

FCA7:45 pmKalispell Glacier Park

4h 57m

1 stop

ONT11:42 pmOntario

$347

Alaska Airlines

Sep 22

ONT12:12 pmOntario

6h 29m

1 stop

FCA7:41 pmKalispell Glacier Park

Oct 8

FCA7:45 pmKalispell Glacier Park

4h 57m

1 stop

ONT11:42 pmOntario

$361

United Airlines flights from Ontario to Kalispell

Our best United Airlines deals on Ontario to Kalispell flight tickets

United Airlines

Nov 4

ONT5:00 amOntario

7h 34m

1 stop

FCA1:34 pmKalispell Glacier Park

Nov 12

FCA2:36 pmKalispell Glacier Park

7h 15m

1 stop

ONT8:51 pmOntario

$439

United Airlines

Sep 13

ONT1:18 pmOntario

7h 03m

1 stop

FCA9:21 pmKalispell Glacier Park

Sep 19

FCA4:17 pmKalispell Glacier Park

4h 44m

1 stop

ONT8:01 pmOntario

$448

United Airlines

Sep 8

ONT9:01 amOntario

5h 20m

1 stop

FCA3:21 pmKalispell Glacier Park

Sep 11

FCA4:17 pmKalispell Glacier Park

4h 44m

1 stop

ONT8:01 pmOntario

$450

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Thu 10/15

8:35 pm-5:11 pm

1 stop19h 36m

Kalispell Glacier Park

Mon 10/19

8:08 pm-9:09 am

1 stop14h 01m

$215

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Fri 10/16

8:00 am-5:11 pm

1 stop8h 11m

Kalispell Glacier Park

Mon 10/19

8:08 pm-9:09 am

1 stop14h 01m

$225

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Thu 10/15

8:35 pm-5:11 pm

1 stop19h 36m

Kalispell Glacier Park

Mon 10/19

8:08 pm-11:50 pm

2 stops28h 42m

$265

Quickest round-trip

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Sat 9/19

5:15 pm-10:54 pm

1 stop4h 39m

Kalispell Glacier Park

Wed 9/23

5:30 am-9:02 am

1 stop4h 32m

$307

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Sat 9/19

5:15 pm-10:54 pm

1 stop4h 39m

Kalispell Glacier Park

Thu 9/24

6:00 pm-11:47 pm

1 stop6h 47m

$307

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Tue 1/5

11:36 am-6:57 pm

1 stop6h 21m

Kalispell Glacier Park

Sat 1/9

1:51 pm-10:41 pm

1 stop9h 50m

$307

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Thu 10/15

2:13 pm-10:59 pm

1 stop7h 46m

Kalispell Glacier Park

Thu 10/22

7:45 pm-11:42 pm

1 stop4h 57m

$307

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Thu 10/15

5:00 am-1:28 pm

1 stop7h 28m

Kalispell Glacier Park

Thu 10/22

2:30 pm-8:58 pm

1 stop7h 28m

$307

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Mon 9/14

5:15 pm-10:54 pm

1 stop4h 39m

Kalispell Glacier Park

Tue 9/22

5:30 am-9:02 am

1 stop4h 32m

$307

OntarioKalispell

ONT Ontario - FCA Kalispell Glacier Park

ONTFCA

Ontario

Wed 11/4

5:00 am-1:34 pm

1 stop7h 34m

Kalispell Glacier Park

Thu 11/12

2:36 pm-8:51 pm

1 stop7h 15m

$439

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 typical price of a round-trip flight between Ontario and Kalispell?

Prices are currently low for flights on this route.

Typical prices usually range from $296 to $584.
The lowest price recently found on this route was $215.

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 Friday. Travelers who choose to depart for Kalispell on a Friday will often find tickets for as low as $548. The most expensive day to fly to Kalispell is Sunday, with ticket prices averaging around $729.

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 $389. 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 $589 per ticket.

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	$134
Fastest flight time	4h 37m
Direct flights	None

The best one-way flight to Kalispell from Ontario in the past 72 hours is $134. The best round-trip flight deal from Ontario to Kalispell found on momondo in the last 72 hours is $215.

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 August 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 54% of all bookings. The subsequent popular airlines are Alaska Airlines at 24% and United Airlines at 22%.

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 $217	Free Cancellation	Rating 7.8 8,529 reviews	Search Delta flights
Alaska Airlines	PriceFrom $233	Free Cancellation	Rating 7.9 12,839 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.4 10,127 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.