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

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

What airlines fly to Ontario?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Kalispell according to our data. Alaska Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

As of January 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to Ontario Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$100 Cheap Flights from Kalispell to Ontario in 2026

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Find the cheapest flights from Kalispell to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:42 pm - 5:48 pm

FCA

ONT

25h 06m

1 stop

7:17 pm - 4:54 pm

ONT

FCA

20h 37m

1 stop

$212Multiple Airlines

Sun, Feb 22 - Wed, Mar 4

5:56 pm - 11:51 pm

FCA

ONT

6h 55m

1 stop

5:09 pm - 11:41 pm

ONT

FCA

5h 32m

1 stop

$217Delta

Wed, Apr 1 - Wed, Apr 8

5:05 am - 1:39 pm

FCA

ONT

9h 34m

2 stops

5:05 pm - 11:27 pm

ONT

FCA

5h 22m

1 stop

$222Delta

Thu, Apr 30 - Mon, May 4

6:15 pm - 11:49 pm

FCA

ONT

6h 34m

1 stop

5:00 pm - 11:50 pm

ONT

FCA

5h 50m

1 stop

$239Delta

Thu, Feb 26 - Mon, Mar 2

5:05 am - 1:39 pm

FCA

ONT

9h 34m

2 stops

5:05 pm - 11:27 pm

ONT

FCA

5h 22m

1 stop

$259Delta

Thu, Apr 30 - Mon, May 4

5:44 pm - 1:26 pm

FCA

ONT

20h 42m

1 stop

7:17 pm - 4:54 pm

ONT

FCA

20h 37m

1 stop

$263Multiple Airlines

Thu, Feb 26 - Wed, Mar 4

12:00 pm - 11:59 pm

FCA

ONT

36h 59m

2 stops

7:17 pm - 4:54 pm

ONT

FCA

20h 37m

1 stop

$264Multiple Airlines

Fri, Feb 27 - Wed, Mar 4

6:15 pm - 11:49 pm

FCA

ONT

6h 34m

1 stop

5:00 pm - 11:50 pm

ONT

FCA

5h 50m

1 stop

$265Delta

Wed, Feb 25 - Mon, Mar 2

6:15 pm - 11:49 pm

FCA

ONT

6h 34m

1 stop

5:00 pm - 11:50 pm

ONT

FCA

5h 50m

1 stop

$267Delta

Thu, Feb 26 - Fri, Mar 6

5:25 am - 9:01 am

FCA

ONT

4h 36m

1 stop

5:05 pm - 11:02 pm

ONT

FCA

4h 57m

1 stop

$277Delta

Tue, Jun 9 - Tue, Jun 16

Delta flights from Kalispell to Ontario

Our best Delta deals on Kalispell to Ontario flight tickets

Delta

Apr 1

FCA5:56 pmKalispell Glacier Park

6h 55m

1 stop

ONT11:51 pmOntario

Apr 8

ONT5:09 pmOntario

5h 32m

1 stop

FCA11:41 pmKalispell Glacier Park

$217

Delta

Apr 30

FCA5:05 amKalispell Glacier Park

9h 34m

2 stops

ONT1:39 pmOntario

May 4

ONT5:05 pmOntario

5h 22m

1 stop

FCA11:27 pmKalispell Glacier Park

$222

Delta

Feb 26

FCA6:15 pmKalispell Glacier Park

6h 34m

1 stop

ONT11:49 pmOntario

Mar 2

ONT5:00 pmOntario

5h 50m

1 stop

FCA11:50 pmKalispell Glacier Park

$239

Alaska Airlines flights from Kalispell to Ontario

Our best Alaska Airlines deals on Kalispell to Ontario flight tickets

Alaska Airlines

Apr 8

FCA1:52 pmKalispell Glacier Park

5h 21m

1 stop

ONT6:13 pmOntario

Apr 15

ONT6:00 amOntario

5h 12m

1 stop

FCA12:12 pmKalispell Glacier Park

$283

Alaska Airlines

Apr 8

FCA1:52 pmKalispell Glacier Park

26h 50m

2 stops

ONT3:42 pmOntario

Apr 15

ONT6:00 amOntario

5h 12m

1 stop

FCA12:12 pmKalispell Glacier Park

$296

Alaska Airlines

Feb 24

FCA7:53 pmKalispell Glacier Park

20h 15m

1 stop

ONT3:08 pmOntario

Mar 4

ONT6:14 amOntario

4h 58m

1 stop

FCA12:12 pmKalispell Glacier Park

$303

Fly from

Fly to

Route

Depart

Return

Price

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Sun 2/22

5:42 pm-5:48 pm

1 stop25h 06m

Ontario

Wed 3/4

7:17 pm-4:54 pm

1 stop20h 37m

$212

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Wed 4/1

5:56 pm-11:51 pm

1 stop6h 55m

Ontario

Wed 4/8

5:09 pm-11:41 pm

1 stop5h 32m

$217

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Thu 4/30

5:05 am-1:39 pm

2 stops9h 34m

Ontario

Mon 5/4

5:05 pm-11:27 pm

1 stop5h 22m

$222

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Thu 2/26

6:15 pm-11:49 pm

1 stop6h 34m

Ontario

Mon 3/2

5:00 pm-11:50 pm

1 stop5h 50m

$239

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Thu 4/30

5:05 am-1:39 pm

2 stops9h 34m

Ontario

Mon 5/4

5:05 pm-11:27 pm

1 stop5h 22m

$259

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Thu 2/26

5:44 pm-1:26 pm

1 stop20h 42m

Ontario

Wed 3/4

7:17 pm-4:54 pm

1 stop20h 37m

$263

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 2/27

12:00 pm-11:59 pm

2 stops36h 59m

Ontario

Wed 3/4

7:17 pm-4:54 pm

1 stop20h 37m

$264

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Wed 2/25

6:15 pm-11:49 pm

1 stop6h 34m

Ontario

Mon 3/2

5:00 pm-11:50 pm

1 stop5h 50m

$265

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Thu 2/26

6:15 pm-11:49 pm

1 stop6h 34m

Ontario

Fri 3/6

5:00 pm-11:50 pm

1 stop5h 50m

$267

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Tue 6/9

5:25 am-9:01 am

1 stop4h 36m

Ontario

Tue 6/16

5:05 pm-11:02 pm

1 stop4h 57m

$277

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 Kalispell to Ontario

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

How have Kalispell to Ontario flight prices changed over time?

When to book flights from Kalispell to Ontario

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

Estimated round-trip price

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

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

Fastest flight time	4h 36m
Direct flights	None

The fastest flight from Kalispell to Ontario takes 4h 36m

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

Search flight deals

How far is Kalispell Glacier Park to Ontario by plane?
There are 990.8 mi between Kalispell Glacier Park and Ontario. 4h 36m is a normal flight duration for this route.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to Ontario Airport?
Prices for flights from Kalispell Glacier Park Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Kalispell Glacier Park Airport to Ontario Airport?
As of January 2026, there is 1 operator available to choose from for flights from Kalispell Glacier Park Airport to Ontario Airport.
How old do you have to be to fly from Kalispell Glacier Park Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Kalispell to Ontario?
momondo data reveals that the most frequently booked airline on the route from Kalispell to Ontario is Delta, representing 100% of all bookings.

Best airlines flying from Kalispell to Ontario

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 8,128 reviews		Search Delta flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kalispell to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Kalispell to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Kalispell and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Kalispell to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.