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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 8/10. 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
1 adult, Economy, 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
5:25 am - 9:07 am
FCA
-
ONT
4h 42m
1 stop
Delta Logo
5:05 pm - 11:07 pm
ONT
-
FCA
5h 02m
1 stop
$277Delta
Mon, Oct 19 - Tue, Oct 20
Delta Logo
5:25 am - 8:47 am
FCA
-
ONT
4h 22m
1 stop
Delta Logo
5:10 pm - 10:53 pm
ONT
-
FCA
4h 43m
1 stop
$294Delta
Sun, Jul 26 - Sat, Aug 1
Multiple Airlines Logo
10:30 am - 3:08 pm
FCA
-
ONT
5h 38m
1 stop
Multiple Airlines Logo
3:40 pm - 9:40 am
ONT
-
FCA
17h 00m
1 stop
$311Multiple Airlines
Fri, Jul 3 - Sun, Jul 5
Multiple Airlines Logo
10:30 am - 3:08 pm
FCA
-
ONT
5h 38m
1 stop
Multiple Airlines Logo
3:40 pm - 9:40 am
ONT
-
FCA
17h 00m
1 stop
$317Multiple Airlines
Fri, Jul 3 - Sun, Jul 5
Alaska Airlines Logo
7:45 pm - 11:45 pm
FCA
-
ONT
5h 00m
1 stop
Alaska Airlines Logo
6:56 pm - 12:21 pm
ONT
-
FCA
16h 25m
1 stop
$339Alaska Airlines
Mon, Oct 19 - Thu, Oct 22
Delta Logo
5:25 am - 8:47 am
FCA
-
ONT
4h 22m
1 stop
Delta Logo
6:00 am - 12:52 pm
ONT
-
FCA
5h 52m
1 stop
$354Delta
Mon, Jul 27 - Tue, Aug 4
Alaska Airlines Logo
1:05 pm - 4:58 pm
FCA
-
ONT
4h 53m
1 stop
Alaska Airlines Logo
5:52 pm - 5:54 pm
ONT
-
FCA
23h 02m
2 stops
$405Alaska Airlines
Fri, Nov 13 - Tue, Nov 17
Alaska Airlines Logo
8:21 pm - 11:16 am
FCA
-
ONT
15h 55m
1 stop
Alaska Airlines Logo
6:14 pm - 1:28 pm
ONT
-
FCA
18h 14m
1 stop
$434Alaska Airlines
Tue, Sep 22 - Fri, Sep 25
Alaska Airlines Logo
6:15 am - 11:04 am
FCA
-
ONT
5h 49m
1 stop
Alaska Airlines Logo
7:12 am - 10:56 pm
ONT
-
FCA
14h 44m
2 stops
$446Alaska Airlines
Fri, Aug 28 - Sun, Sep 6
Alaska Airlines Logo
1:10 pm - 4:52 pm
FCA
-
ONT
4h 42m
1 stop
Alaska Airlines Logo
2:05 pm - 11:59 pm
ONT
-
FCA
8h 54m
1 stop
$459Alaska Airlines
Fri, Jul 3 - Sat, Jul 4

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United Airlines flights from Kalispell to Ontario

Our best United Airlines deals on Kalispell to Ontario flight tickets
United Airlines
Jun 25
FCA6:20 amKalispell Glacier Park
7h 27m
1 stop
ONT12:47 pmOntario
Jun 29
ONT5:00 amOntario
7h 30m
1 stop
FCA1:30 pmKalispell Glacier Park
$526
United Airlines
Aug 4
FCA6:20 amKalispell Glacier Park
7h 27m
1 stop
ONT12:47 pmOntario
Aug 9
ONT5:00 amOntario
7h 30m
1 stop
FCA1:30 pmKalispell Glacier Park
$615
United Airlines
Jun 24
FCA4:11 pmKalispell Glacier Park
7h 26m
1 stop
ONT10:37 pmOntario
Jun 28
ONT5:00 amOntario
7h 30m
1 stop
FCA1:30 pmKalispell Glacier Park
$620

Delta flights from Kalispell to Ontario

Our best Delta deals on Kalispell to Ontario flight tickets
Delta
Oct 19
FCA5:25 amKalispell Glacier Park
4h 42m
1 stop
ONT9:07 amOntario
Oct 20
ONT5:05 pmOntario
5h 02m
1 stop
FCA11:07 pmKalispell Glacier Park
$277
Delta
Jul 26
FCA5:25 amKalispell Glacier Park
4h 22m
1 stop
ONT8:47 amOntario
Aug 1
ONT5:10 pmOntario
4h 43m
1 stop
FCA10:53 pmKalispell Glacier Park
$294
Delta
Jul 27
FCA5:25 amKalispell Glacier Park
4h 22m
1 stop
ONT8:47 amOntario
Aug 4
ONT6:00 amOntario
5h 52m
1 stop
FCA12:52 pmKalispell Glacier Park
$354

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 June 21, 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

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Mon 10/19

5:25 am-9:07 am

1 stop4h 42m

Ontario

Tue 10/20

5:05 pm-11:07 pm

1 stop5h 02m

$277
Quickest round-trip

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Sun 7/26

5:25 am-8:47 am

1 stop4h 22m

Ontario

Sat 8/1

5:10 pm-10:53 pm

1 stop4h 43m

$294

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 7/3

10:30 am-3:08 pm

1 stop5h 38m

Ontario

Sun 7/5

3:40 pm-9:40 am

1 stop17h 00m

$311

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 7/3

10:30 am-3:08 pm

1 stop5h 38m

Ontario

Sun 7/5

3:40 pm-9:40 am

1 stop17h 00m

$317

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Mon 10/19

7:45 pm-11:45 pm

1 stop5h 00m

Ontario

Thu 10/22

6:56 pm-12:21 pm

1 stop16h 25m

$339

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Mon 7/27

5:25 am-8:47 am

1 stop4h 22m

Ontario

Tue 8/4

6:00 am-12:52 pm

1 stop5h 52m

$354

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 11/13

1:05 pm-4:58 pm

1 stop4h 53m

Ontario

Tue 11/17

5:52 pm-5:54 pm

2 stops23h 02m

$405

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Tue 9/22

8:21 pm-11:16 am

1 stop15h 55m

Ontario

Fri 9/25

6:14 pm-1:28 pm

1 stop18h 14m

$434

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 8/28

6:15 am-11:04 am

1 stop5h 49m

Ontario

Sun 9/6

7:12 am-10:56 pm

2 stops14h 44m

$446

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Fri 7/3

1:10 pm-4:52 pm

1 stop4h 42m

Ontario

Sat 7/4

2:05 pm-11:59 pm

1 stop8h 54m

$459

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 cheapest month to fly to Ontario?

In general, April 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 $163. If you aren’t able to travel during the month of April, then book flights to Ontario from Kalispell during January instead. Flights to Ontario in January, while not as cheap as those in April, still average around $280.

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 31m

Direct flights

None
The fastest flight from Kalispell to Ontario takes 4h 31m
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 31m 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
7.8
8,422 reviews
Search Delta flights
Alaska AirlinesPriceFrom $163Free CancellationRating
7.9
12,559 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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