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Cheap flights from Kalispell to Los Angeles from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Los Angeles departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Kalispell to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:13 am - 8:53 am
FCA
-
ONT
4h 40m
1 stop
Delta Logo
6:00 am - 11:25 am
ONT
-
FCA
4h 25m
1 stop
$277Delta
Fri, May 22 - Tue, May 26
Delta Logo
5:13 am - 8:53 am
FCA
-
ONT
4h 40m
1 stop
Delta Logo
4:57 pm - 11:14 pm
ONT
-
FCA
5h 17m
1 stop
$288Delta
Fri, May 22 - Tue, May 26
Delta Logo
6:07 pm - 11:34 pm
FCA
-
ONT
6h 27m
1 stop
Delta Logo
4:57 pm - 11:14 pm
ONT
-
FCA
5h 17m
1 stop
$299Delta
Wed, May 20 - Fri, May 22
Delta Logo
5:13 am - 8:53 am
FCA
-
ONT
4h 40m
1 stop
Delta Logo
4:57 pm - 11:14 pm
ONT
-
FCA
5h 17m
1 stop
$337Delta
Fri, May 22 - Tue, May 26
United Airlines Logo
4:11 pm - 10:50 pm
FCA
-
ONT
7h 39m
1 stop
United Airlines Logo
5:00 am - 1:30 pm
ONT
-
FCA
7h 30m
1 stop
$357United Airlines
Sat, May 23 - Wed, May 27
Alaska Airlines Logo
5:40 pm - 11:58 pm
FCA
-
ONT
7h 18m
1 stop
Alaska Airlines Logo
4:03 pm - 11:58 pm
ONT
-
FCA
6h 55m
1 stop
$363Alaska Airlines
Tue, May 19 - Wed, May 20
Delta Logo
5:13 am - 8:53 am
FCA
-
ONT
4h 40m
1 stop
Delta Logo
6:45 am - 5:27 pm
ONT
-
FCA
9h 42m
2 stops
$368Delta
Fri, May 22 - Tue, May 26
American Airlines Logo
3:50 pm - 10:38 pm
FCA
-
ONT
7h 48m
1 stop
American Airlines Logo
7:12 pm - 11:35 am
ONT
-
FCA
15h 23m
2 stops
$373American Airlines
Fri, May 22 - Tue, May 26
United Airlines Logo
4:11 pm - 10:50 pm
FCA
-
ONT
7h 39m
1 stop
United Airlines Logo
5:00 am - 1:30 pm
ONT
-
FCA
7h 30m
1 stop
$378United Airlines
Sat, May 23 - Wed, May 27
United Airlines Logo
4:11 pm - 10:50 pm
FCA
-
ONT
7h 39m
1 stop
United Airlines Logo
5:00 am - 1:30 pm
ONT
-
FCA
7h 30m
1 stop
$389United Airlines
Sat, May 23 - Wed, May 27

Delta flights from Kalispell to Ontario

Our best Delta deals on Kalispell to Ontario flight tickets
Delta
May 22
FCA5:13 amKalispell Glacier Park
4h 40m
1 stop
ONT8:53 amOntario
May 26
ONT6:00 amOntario
4h 25m
1 stop
FCA11:25 amKalispell Glacier Park
$277
Delta
May 22
FCA5:13 amKalispell Glacier Park
4h 40m
1 stop
ONT8:53 amOntario
May 26
ONT4:57 pmOntario
5h 17m
1 stop
FCA11:14 pmKalispell Glacier Park
$288
Delta
May 20
FCA6:07 pmKalispell Glacier Park
6h 27m
1 stop
ONT11:34 pmOntario
May 22
ONT4:57 pmOntario
5h 17m
1 stop
FCA11:14 pmKalispell Glacier Park
$299

American Airlines flights from Kalispell to Ontario

Our best American Airlines deals on Kalispell to Ontario flight tickets
American Airlines
May 22
FCA3:50 pmKalispell Glacier Park
7h 48m
1 stop
ONT10:38 pmOntario
May 26
ONT7:12 pmOntario
15h 23m
2 stops
FCA11:35 amKalispell Glacier Park
$373
American Airlines
May 22
FCA12:25 pmKalispell Glacier Park
10h 32m
2 stops
ONT9:57 pmOntario
May 26
ONT7:12 pmOntario
15h 23m
2 stops
FCA11:35 amKalispell Glacier Park
$522
American Airlines
May 22
FCA12:25 pmKalispell Glacier Park
10h 32m
2 stops
ONT9:57 pmOntario
May 26
ONT7:12 pmOntario
15h 23m
2 stops
FCA11:35 amKalispell Glacier Park
$566

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Ontario 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 May 4, 2026.
Use the filters below to find and compare flights from Kalispell to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 5/22

5:13 am-8:53 am

1 stop4h 40m

Ontario

Tue 5/26

6:00 am-11:25 am

1 stop4h 25m

$277

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 5/22

5:13 am-8:53 am

1 stop4h 40m

Ontario

Tue 5/26

4:57 pm-11:14 pm

1 stop5h 17m

$288

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Wed 5/20

6:07 pm-11:34 pm

1 stop6h 27m

Ontario

Fri 5/22

4:57 pm-11:14 pm

1 stop5h 17m

$299

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 5/22

5:13 am-8:53 am

1 stop4h 40m

Ontario

Tue 5/26

4:57 pm-11:14 pm

1 stop5h 17m

$337

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Sat 5/23

4:11 pm-10:50 pm

1 stop7h 39m

Ontario

Wed 5/27

5:00 am-1:30 pm

1 stop7h 30m

$357

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Tue 5/19

5:40 pm-11:58 pm

1 stop7h 18m

Ontario

Wed 5/20

4:03 pm-11:58 pm

1 stop6h 55m

$363

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 5/22

5:13 am-8:53 am

1 stop4h 40m

Ontario

Tue 5/26

6:45 am-5:27 pm

2 stops9h 42m

$368

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 5/22

3:50 pm-10:38 pm

1 stop7h 48m

Ontario

Tue 5/26

7:12 pm-11:35 am

2 stops15h 23m

$373

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Sat 5/23

4:11 pm-10:50 pm

1 stop7h 39m

Ontario

Wed 5/27

5:00 am-1:30 pm

1 stop7h 30m

$378

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Sat 5/23

4:11 pm-10:50 pm

1 stop7h 39m

Ontario

Wed 5/27

5:00 am-1:30 pm

1 stop7h 30m

$389

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 Los Angeles from

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

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

What is the cheapest month to fly to Ontario?

In general, July is the cheapest month to fly from Kalispell to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of July, then book flights to Ontario from Kalispell during April instead. Flights to Ontario in April, while not as cheap as those in July, still average around $136.

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 22m

Direct flights

None
The fastest flight from Kalispell to Ontario takes 4h 22m
There are no direct flights from Kalispell to Ontario. There are no popular flight routes from Kalispell to Ontario.
Search flight deals

Frequently asked questions about flying from Kalispell to Ontario

  • How far is Kalispell Glacier Park to Ontario by plane?

    There are 990.8 mi between Kalispell Glacier Park and Ontario. 4h 22m 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?

  • 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?

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
DeltaPriceFrom $108Free CancellationRating
7.9
8,459 reviews
Search Delta flights
Alaska AirlinesPriceFrom $163Free CancellationRating
7.9
12,325 reviews
Search Alaska Airlines flights

Why use momondo?

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.

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