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Cheap flights from Ontario to Kalispell from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kalispell departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Kalispell (ONT-FCA)

Cheap round-trip flights

Logo
6:00 am - 4:43 pmONT-FCA
9h 43m1 stop
Logo
5:33 pm - 7:17 amFCA-ONT
14h 44m1 stop
$230
Find Deal
Sun, Sep 7 - Thu, Sep 11
Alaska Airlines Logo
7:10 am - 1:57 pmONT-FCA
5h 47m1 stop
Alaska Airlines Logo
6:35 pm - 12:03 amFCA-ONT
6h 28m1 stop
$240Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
Delta Logo
6:00 am - 11:16 amONT-FCA
4h 16m1 stop
Delta Logo
6:10 pm - 11:39 pmFCA-ONT
6h 29m1 stop
$241Delta
Find Deal
Sun, Oct 12 - Fri, Oct 17
Alaska Airlines Logo
7:10 am - 1:52 pmONT-FCA
5h 42m1 stop
Alaska Airlines Logo
6:35 pm - 12:03 amFCA-ONT
6h 28m1 stop
$264Alaska Airlines
Find Deal
Sat, Oct 11 - Thu, Oct 16
Delta Logo
6:00 am - 11:14 amONT-FCA
4h 14m1 stop
Delta Logo
5:20 am - 8:57 amFCA-ONT
4h 37m1 stop
$265Delta
Find Deal
Wed, Oct 1 - Sat, Oct 4
Delta Logo
6:00 am - 11:16 amONT-FCA
4h 16m1 stop
Delta Logo
6:10 pm - 11:39 pmFCA-ONT
6h 29m1 stop
$278Delta
Find Deal
Sat, Oct 11 - Fri, Oct 17
Hawaiian Airlines Logo
7:10 am - 1:52 pmONT-FCA
5h 42m1 stop
Hawaiian Airlines Logo
6:35 pm - 12:03 amFCA-ONT
6h 28m1 stop
$288Hawaiian Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 17
Hawaiian Airlines Logo
3:06 pm - 11:59 pmONT-FCA
7h 53m1 stop
Hawaiian Airlines Logo
6:30 am - 10:44 amFCA-ONT
5h 14m1 stop
$311Hawaiian Airlines
Find Deal
Mon, Sep 15 - Fri, Sep 19
United Airlines Logo
1:15 pm - 9:40 pmONT-FCA
7h 25m1 stop
United Airlines Logo
6:30 am - 12:51 pmFCA-ONT
7h 21m1 stop
$335United Airlines
Find Deal
Mon, Sep 22 - Sat, Sep 27
United Airlines Logo
1:15 pm - 9:40 pmONT-FCA
7h 25m1 stop
United Airlines Logo
2:31 pm - 8:24 pmFCA-ONT
6h 53m1 stop
$351United Airlines
Find Deal
Mon, Sep 22 - Thu, Sep 25

Alaska Airlines flights from Ontario to Kalispell

Our best Alaska Airlines deals on Ontario to Kalispell flight tickets
Alaska Airlines
Oct 14
ONT7:10 amOntario
5h 47m
1 stop
FCA1:57 pmKalispell Glacier Park
Oct 20
FCA6:35 pmKalispell Glacier Park
6h 28m
1 stop
ONT12:03 amOntario
$240
Find similar
Alaska Airlines
Oct 11
ONT7:10 amOntario
5h 42m
1 stop
FCA1:52 pmKalispell Glacier Park
Oct 16
FCA6:35 pmKalispell Glacier Park
6h 28m
1 stop
ONT12:03 amOntario
$264
Find similar
Alaska Airlines
Oct 8
ONT6:00 amOntario
5h 22m
1 stop
FCA12:22 pmKalispell Glacier Park
Oct 20
FCA6:35 pmKalispell Glacier Park
6h 28m
1 stop
ONT12:03 amOntario
$287
Find similar

Delta flights from Ontario to Kalispell

Our best Delta deals on Ontario to Kalispell flight tickets
Delta
Oct 12
ONT6:00 amOntario
4h 16m
1 stop
FCA11:16 amKalispell Glacier Park
Oct 17
FCA6:10 pmKalispell Glacier Park
6h 29m
1 stop
ONT11:39 pmOntario
$241
Find similar
Delta
Oct 1
ONT6:00 amOntario
4h 14m
1 stop
FCA11:14 amKalispell Glacier Park
Oct 4
FCA5:20 amKalispell Glacier Park
4h 37m
1 stop
ONT8:57 amOntario
$265
Find similar
Delta
Oct 11
ONT6:00 amOntario
4h 16m
1 stop
FCA11:16 amKalispell Glacier Park
Oct 17
FCA6:10 pmKalispell Glacier Park
6h 29m
1 stop
ONT11:39 pmOntario
$278
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Kalispell that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Ontario to Kalispell that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 9/7

6:00 am-4:43 pm

1 stop9h 43m

Kalispell Glacier Park

Thu 9/11

5:33 pm-7:17 am

1 stop14h 44m

$230

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Tue 10/14

7:10 am-1:57 pm

1 stop5h 47m

Kalispell Glacier Park

Mon 10/20

6:35 pm-12:03 am

1 stop6h 28m

$240

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sun 10/12

6:00 am-11:16 am

1 stop4h 16m

Kalispell Glacier Park

Fri 10/17

6:10 pm-11:39 pm

1 stop6h 29m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sat 10/11

7:10 am-1:52 pm

1 stop5h 42m

Kalispell Glacier Park

Thu 10/16

6:35 pm-12:03 am

1 stop6h 28m

$264

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Wed 10/1

6:00 am-11:14 am

1 stop4h 14m

Kalispell Glacier Park

Sat 10/4

5:20 am-8:57 am

1 stop4h 37m

$265

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sat 10/11

6:00 am-11:16 am

1 stop4h 16m

Kalispell Glacier Park

Fri 10/17

6:10 pm-11:39 pm

1 stop6h 29m

$278

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Sat 10/11

7:10 am-1:52 pm

1 stop5h 42m

Kalispell Glacier Park

Fri 10/17

6:35 pm-12:03 am

1 stop6h 28m

$288

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 9/15

3:06 pm-11:59 pm

1 stop7h 53m

Kalispell Glacier Park

Fri 9/19

6:30 am-10:44 am

1 stop5h 14m

$311

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 9/22

1:15 pm-9:40 pm

1 stop7h 25m

Kalispell Glacier Park

Sat 9/27

6:30 am-12:51 pm

1 stop7h 21m

$335

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

Mon 9/22

1:15 pm-9:40 pm

1 stop7h 25m

Kalispell Glacier Park

Thu 9/25

2:31 pm-8:24 pm

1 stop6h 53m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kalispell from

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

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 $279. If you aren’t able to travel to Kalispell during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $318.

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

The cheapest day to depart from Ontario to Kalispell is on a Sunday. Travelers who choose to depart for Kalispell on a Sunday will often find tickets for as low as $119. The most expensive day to fly to Kalispell is Friday, with ticket prices averaging around $568.

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 $215. 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 $380 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

Direct flights

None
There are no direct flights from Ontario to Kalispell. There are no popular flight routes from Ontario to Kalispell.
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  • 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 14m.

  • 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?

  • 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?

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
DeltaPriceFrom $198Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Alaska AirlinesPriceFrom $236Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Kalispell?

Book flights to Kalispell if you plan to visit one of these locations
Whitefish
Polson
Columbia Falls
East Glacier Park
Essex
Eureka
Cut Bank

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.

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