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Cheap flights from Missoula to Los Angeles from $164

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 9/17. 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 Missoula to Los Angeles

Cheap round-trip flights

Alaska Airlines Logo
5:20 am - 12:08 pmMSO-ONT
7h 48m1 stop
Alaska Airlines Logo
6:00 pm - 11:59 pmONT-MSO
4h 59m1 stop
$240Alaska Airlines
Find Deal
mar., ene. 6 - mié., ene. 14
Delta Logo
6:10 pm - 10:52 pmMSO-ONT
5h 42m1 stop
Delta Logo
6:00 am - 12:43 pmONT-MSO
5h 43m1 stop
$241Delta
Find Deal
lun., ene. 5 - mar., ene. 6
Alaska Airlines Logo
6:35 am - 10:44 amMSO-ONT
5h 09m1 stop
Alaska Airlines Logo
6:00 am - 3:18 pmONT-MSO
8h 18m1 stop
$259Alaska Airlines
Find Deal
sáb., sep. 20 - lun., sep. 22
Delta Logo
5:30 am - 8:57 amMSO-ONT
4h 27m1 stop
Delta Logo
4:40 pm - 12:18 amONT-MSO
6h 38m1 stop
$270Delta
Find Deal
vie., sep. 19 - mar., sep. 23
Alaska Airlines Logo
1:20 pm - 4:53 pmMSO-ONT
4h 33m1 stop
Alaska Airlines Logo
7:00 am - 1:09 pmONT-MSO
5h 09m1 stop
$284Alaska Airlines
Find Deal
jue., ene. 8 - sáb., ene. 10
Delta Logo
6:10 pm - 10:52 pmMSO-ONT
5h 42m1 stop
Delta Logo
5:05 pm - 11:36 pmONT-MSO
5h 31m1 stop
$285Delta
Find Deal
lun., ene. 5 - vie., ene. 9
Delta Logo
6:20 pm - 11:51 pmMSO-ONT
6h 31m1 stop
Delta Logo
6:00 am - 11:48 amONT-MSO
4h 48m1 stop
$291Delta
Find Deal
mar., dic. 30 - dom., ene. 4
Alaska Airlines Logo
2:14 pm - 6:47 pmMSO-ONT
5h 33m1 stop
Alaska Airlines Logo
7:10 am - 6:00 pmONT-MSO
9h 50m2 stops
$307Alaska Airlines
Find Deal
mié., sep. 17 - sáb., sep. 20
United Airlines Logo
2:38 pm - 9:07 pmMSO-ONT
7h 29m1 stop
United Airlines Logo
5:05 am - 1:36 pmONT-MSO
7h 31m1 stop
$381United Airlines
Find Deal
mié., dic. 31 - dom., ene. 4
United Airlines Logo
6:00 am - 12:38 pmMSO-ONT
7h 38m1 stop
United Airlines Logo
5:05 am - 1:36 pmONT-MSO
7h 31m1 stop
$431United Airlines
Find Deal
lun., dic. 29 - lun., ene. 5

Delta flights from Missoula to Ontario

Our best Delta deals on Missoula to Ontario flight tickets
Delta
Jan 5
MSO6:10 pmMissoula Johnson-Bell Field
5h 42m
1 stop
ONT10:52 pmOntario
Jan 6
ONT6:00 amOntario
5h 43m
1 stop
MSO12:43 pmMissoula Johnson-Bell Field
$241
Find similar
Delta
Sep 19
MSO5:30 amMissoula Johnson-Bell Field
4h 27m
1 stop
ONT8:57 amOntario
Sep 23
ONT4:40 pmOntario
6h 38m
1 stop
MSO12:18 amMissoula Johnson-Bell Field
$270
Find similar
Delta
Jan 5
MSO6:10 pmMissoula Johnson-Bell Field
5h 42m
1 stop
ONT10:52 pmOntario
Jan 9
ONT5:05 pmOntario
5h 31m
1 stop
MSO11:36 pmMissoula Johnson-Bell Field
$285
Find similar

Alaska Airlines flights from Missoula to Ontario

Our best Alaska Airlines deals on Missoula to Ontario flight tickets
Alaska Airlines
Jan 6
MSO5:20 amMissoula Johnson-Bell Field
7h 48m
1 stop
ONT12:08 pmOntario
Jan 14
ONT6:00 pmOntario
4h 59m
1 stop
MSO11:59 pmMissoula Johnson-Bell Field
$240
Find similar
Alaska Airlines
Sep 20
MSO6:35 amMissoula Johnson-Bell Field
5h 09m
1 stop
ONT10:44 amOntario
Sep 22
ONT6:00 amOntario
8h 18m
1 stop
MSO3:18 pmMissoula Johnson-Bell Field
$259
Find similar
Alaska Airlines
Jan 8
MSO1:20 pmMissoula Johnson-Bell Field
4h 33m
1 stop
ONT4:53 pmOntario
Jan 10
ONT7:00 amOntario
5h 09m
1 stop
MSO1:09 pmMissoula Johnson-Bell Field
$284
Find similar

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 agosto 26, 2025.
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

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

mar. 1/6

5:20 am-12:08 pm

1 stop7h 48m

Ontario

mié. 1/14

6:00 pm-11:59 pm

1 stop4h 59m

$240

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

lun. 1/5

6:10 pm-10:52 pm

1 stop5h 42m

Ontario

mar. 1/6

6:00 am-12:43 pm

1 stop5h 43m

$241

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

sáb. 9/20

6:35 am-10:44 am

1 stop5h 09m

Ontario

lun. 9/22

6:00 am-3:18 pm

1 stop8h 18m

$259

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

vie. 9/19

5:30 am-8:57 am

1 stop4h 27m

Ontario

mar. 9/23

4:40 pm-12:18 am

1 stop6h 38m

$270

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

jue. 1/8

1:20 pm-4:53 pm

1 stop4h 33m

Ontario

sáb. 1/10

7:00 am-1:09 pm

1 stop5h 09m

$284

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

lun. 1/5

6:10 pm-10:52 pm

1 stop5h 42m

Ontario

vie. 1/9

5:05 pm-11:36 pm

1 stop5h 31m

$285

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

mar. 12/30

6:20 pm-11:51 pm

1 stop6h 31m

Ontario

dom. 1/4

6:00 am-11:48 am

1 stop4h 48m

$291

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

mié. 9/17

2:14 pm-6:47 pm

1 stop5h 33m

Ontario

sáb. 9/20

7:10 am-6:00 pm

2 stops9h 50m

$307

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

mié. 12/31

2:38 pm-9:07 pm

1 stop7h 29m

Ontario

dom. 1/4

5:05 am-1:36 pm

1 stop7h 31m

$381

MissoulaOntario

MSO - ONT

MSOONT

Missoula Johnson-Bell Field

lun. 12/29

6:00 am-12:38 pm

1 stop7h 38m

Ontario

lun. 1/5

5:05 am-1:36 pm

1 stop7h 31m

$431

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 cheapest month to fly to Ontario?

In general, January 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 $229. If you aren’t able to travel during the month of January, then book flights to Ontario from Missoula during August instead. Flights to Ontario in August, while not as cheap as those in January, still average around $284.

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

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $355. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Missoula to Ontario for around $639.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Missoula to Ontario when you can find flight prices for as low as $365. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $530 on average. Flights to Ontario from Missoula in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
There are no direct flights from Missoula to Ontario. There are no popular flight routes from Missoula to Ontario.
Search flight deals

  • 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 27m.

  • 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
Alaska AirlinesPriceFrom $229Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $244Free CancellationRating
7.9
7,979 reviews
Search Delta 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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