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Cheap flights from Missoula to Los Angeles from $213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Los Angeles departing on 7/23. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missoula to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:41 pm - 11:52 pm
MSO
-
ONT
7h 11m
1 stop
Alaska Airlines Logo
2:05 pm - 10:52 pm
ONT
-
MSO
7h 47m
1 stop
$419Alaska Airlines
Wed, Aug 12 - Tue, Aug 18
Alaska Airlines Logo
1:55 pm - 6:28 pm
MSO
-
ONT
5h 33m
1 stop
Alaska Airlines Logo
6:00 am - 3:34 pm
ONT
-
MSO
8h 34m
1 stop
$431Alaska Airlines
Tue, Nov 3 - Sat, Nov 7
Alaska Airlines Logo
7:00 am - 11:18 am
MSO
-
ONT
5h 18m
1 stop
Alaska Airlines Logo
10:37 am - 9:25 pm
ONT
-
MSO
9h 48m
2 stops
$436Alaska Airlines
Tue, Nov 3 - Sat, Nov 7
Alaska Airlines Logo
1:55 pm - 6:28 pm
MSO
-
ONT
5h 33m
1 stop
Alaska Airlines Logo
6:00 am - 3:34 pm
ONT
-
MSO
8h 34m
1 stop
$441Alaska Airlines
Tue, Nov 3 - Sat, Nov 7
Alaska Airlines Logo
7:00 am - 11:18 am
MSO
-
ONT
5h 18m
1 stop
Alaska Airlines Logo
10:37 am - 9:25 pm
ONT
-
MSO
9h 48m
2 stops
$446Alaska Airlines
Tue, Nov 3 - Sat, Nov 7
Alaska Airlines Logo
7:59 pm - 11:14 am
MSO
-
ONT
16h 15m
1 stop
Alaska Airlines Logo
5:26 pm - 10:42 am
ONT
-
MSO
16h 16m
1 stop
$447Alaska Airlines
Wed, Aug 5 - Tue, Aug 11
Delta Logo
5:30 am - 8:52 am
MSO
-
ONT
4h 22m
1 stop
Delta Logo
5:05 pm - 12:18 am
ONT
-
MSO
6h 13m
1 stop
$449Delta
Mon, Aug 10 - Thu, Aug 13
Alaska Airlines Logo
7:15 am - 3:52 pm
MSO
-
ONT
9h 37m
2 stops
Alaska Airlines Logo
7:12 am - 11:01 pm
ONT
-
MSO
14h 49m
2 stops
$453Alaska Airlines
Sat, Aug 29 - Sat, Sep 5
Alaska Airlines Logo
5:41 pm - 11:52 pm
MSO
-
ONT
7h 11m
1 stop
Alaska Airlines Logo
2:05 pm - 10:55 pm
ONT
-
MSO
7h 50m
1 stop
$455Alaska Airlines
Thu, Aug 13 - Fri, Aug 14
Alaska Airlines Logo
7:15 am - 8:24 pm
MSO
-
ONT
14h 09m
2 stops
Alaska Airlines Logo
6:02 am - 3:17 pm
ONT
-
MSO
8h 15m
1 stop
$456Alaska Airlines
Thu, Aug 27 - Mon, Aug 31

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Alaska Airlines flights from Missoula to Ontario

Our best Alaska Airlines deals on Missoula to Ontario flight tickets
Alaska Airlines
Aug 12
MSO5:41 pmMissoula Johnson-Bell Field
7h 11m
1 stop
ONT11:52 pmOntario
Aug 18
ONT2:05 pmOntario
7h 47m
1 stop
MSO10:52 pmMissoula Johnson-Bell Field
$419
Alaska Airlines
Nov 3
MSO1:55 pmMissoula Johnson-Bell Field
5h 33m
1 stop
ONT6:28 pmOntario
Nov 7
ONT6:00 amOntario
8h 34m
1 stop
MSO3:34 pmMissoula Johnson-Bell Field
$431
Alaska Airlines
Nov 3
MSO7:00 amMissoula Johnson-Bell Field
5h 18m
1 stop
ONT11:18 amOntario
Nov 7
ONT10:37 amOntario
9h 48m
2 stops
MSO9:25 pmMissoula Johnson-Bell Field
$436

Delta flights from Missoula to Ontario

Our best Delta deals on Missoula to Ontario flight tickets
Delta
Aug 10
MSO5:30 amMissoula Johnson-Bell Field
4h 22m
1 stop
ONT8:52 amOntario
Aug 13
ONT5:05 pmOntario
6h 13m
1 stop
MSO12:18 amMissoula Johnson-Bell Field
$449
Delta
Aug 29
MSO6:27 pmMissoula Johnson-Bell Field
4h 56m
1 stop
ONT10:23 pmOntario
Sep 5
ONT5:05 pmOntario
5h 07m
1 stop
MSO11:12 pmMissoula Johnson-Bell Field
$491
Delta
Aug 9
MSO6:27 pmMissoula Johnson-Bell Field
6h 07m
1 stop
ONT11:34 pmOntario
Aug 13
ONT5:05 pmOntario
6h 13m
1 stop
MSO12:18 amMissoula Johnson-Bell Field
$569

momondo Fare Finder

 
Customize your flight search to find flights from Missoula 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 29, 2026.
Use the filters below to find and compare flights from Missoula to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Wed 8/12

5:41 pm-11:52 pm

1 stop7h 11m

Ontario

Tue 8/18

2:05 pm-10:52 pm

1 stop7h 47m

$419

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Tue 11/3

1:55 pm-6:28 pm

1 stop5h 33m

Ontario

Sat 11/7

6:00 am-3:34 pm

1 stop8h 34m

$431

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Tue 11/3

7:00 am-11:18 am

1 stop5h 18m

Ontario

Sat 11/7

10:37 am-9:25 pm

2 stops9h 48m

$436

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Tue 11/3

1:55 pm-6:28 pm

1 stop5h 33m

Ontario

Sat 11/7

6:00 am-3:34 pm

1 stop8h 34m

$441

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Tue 11/3

7:00 am-11:18 am

1 stop5h 18m

Ontario

Sat 11/7

10:37 am-9:25 pm

2 stops9h 48m

$446

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Wed 8/5

7:59 pm-11:14 am

1 stop16h 15m

Ontario

Tue 8/11

5:26 pm-10:42 am

1 stop16h 16m

$447
Quickest round-trip

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Mon 8/10

5:30 am-8:52 am

1 stop4h 22m

Ontario

Thu 8/13

5:05 pm-12:18 am

1 stop6h 13m

$449

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Sat 8/29

7:15 am-3:52 pm

2 stops9h 37m

Ontario

Sat 9/5

7:12 am-11:01 pm

2 stops14h 49m

$453

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Thu 8/13

5:41 pm-11:52 pm

1 stop7h 11m

Ontario

Fri 8/14

2:05 pm-10:55 pm

1 stop7h 50m

$455

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

Thu 8/27

7:15 am-8:24 pm

2 stops14h 09m

Ontario

Mon 8/31

6:02 am-3:17 pm

1 stop8h 15m

$456

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Missoula 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 Missoula and Ontario?

What is the cheapest month to fly to Ontario?

In general, June is the cheapest month to fly from Missoula 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 June, then book flights to Ontario from Missoula during January instead. Flights to Ontario in January, while not as cheap as those in June, still average around $236.

When to book flights from Missoula to Ontario

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

Cheap Missoula to Ontario (MSO to ONT) flight deals and tips

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

Fastest flight time

4h 12m

Direct flights

None
The fastest flight from Missoula to Ontario takes 4h 12m
There are no direct flights from Missoula to Ontario. There are no popular flight routes from Missoula to Ontario.
Search flight deals

Frequently asked questions about flying from Missoula to Ontario

  • How far is Missoula Johnson-Bell Field to Ontario by plane?

    There are 904.7 mi between Missoula Johnson-Bell Field and Ontario. In terms of flight time, this usually takes a little over 4h 12m.

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Ontario Airport?

    Prices for flights from Missoula Johnson-Bell Field Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Ontario Airport?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field 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 Missoula to Ontario?

Best airlines flying from Missoula to Ontario

Compare and see reviews for airlines that fly from Missoula to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $155Free CancellationRating
7.8
8,454 reviews
Search Delta flights
Alaska AirlinesPriceFrom $205Free CancellationRating
7.9
12,592 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Missoula to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. All flights to Ontario from Missoula on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Missoula.

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

Price alerts on flights to Ontario from Missoula are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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