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Missoula

$259+ Cheap flights from Ontario to Missoula (MSO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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Cheap flight deals from Ontario to Missoula

Cheapest flights from Ontario to Missoula
Explore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:00 pm
YYZ
-
MSO
2 stops14h 57m
United Airlines
Thu 8/205:24 pm
MSO
-
YYZ
2 stops16h 25m
United Airlines
Deal found 6/29$614
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:30 am
YYZ
-
MSO
1 stop10h 08m
Delta
Mon 8/36:00 am
MSO
-
YYZ
1 stop10h 34m
Delta
Deal found 6/29$673
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:45 am
YYZ
-
MSO
2 stops15h 11m
United Airlines
Mon 8/106:05 am
MSO
-
YYZ
1 stop13h 27m
United Airlines
Deal found 6/28$694
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:40 am
YXU
-
MSO
2 stops9h 52m
United Airlines
Wed 10/286:15 am
MSO
-
YXU
2 stops13h 37m
United Airlines
Deal found 6/30$729
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:25 pm
YYZ
-
MSO
2 stops23h 30m
United Airlines
Mon 8/36:05 am
MSO
-
YYZ
1 stop13h 27m
United Airlines
Deal found 6/29$849

Find flight deals from Ontario to Missoula

Keep the following information in mind while searching for Ontario to Missoula flight deals. Data was last updated July 2, 2026.

Round-trip from

$614
(United Airlines)

One-way from

$259
(Delta)
From Ontario to Missoula Johnson-Bell Field
Search Deals
One-way flight from Ontario to Missoula Johnson-Bell Field
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Missoula 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, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 8/13

9:00 pm-9:57 am

2 stops14h 57m

Missoula Johnson-Bell Field

Thu 8/20

5:24 pm-11:49 am

2 stops16h 25m

$614
Quickest round-trip

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 7/30

6:30 am-2:38 pm

1 stop10h 08m

Missoula Johnson-Bell Field

Mon 8/3

6:00 am-6:34 pm

1 stop10h 34m

$673

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 8/6

10:45 am-11:56 pm

2 stops15h 11m

Missoula Johnson-Bell Field

Mon 8/10

6:05 am-9:32 pm

1 stop13h 27m

$694

LondonMissoula

YXU - MSO

YXUMSO

London

Sat 10/24

5:40 am-1:32 pm

2 stops9h 52m

Missoula Johnson-Bell Field

Wed 10/28

6:15 am-9:52 pm

2 stops13h 37m

$729

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 7/30

12:25 pm-9:55 am

2 stops23h 30m

Missoula Johnson-Bell Field

Mon 8/3

6:05 am-9:32 pm

1 stop13h 27m

$849
Cheapest one-way

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sat 8/15

6:00 am-11:12 pm

2 stops19h 12m

$259
Quickest one-way

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 8/14

5:50 pm-12:18 am

1 stop8h 28m

$276

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 8/14

7:00 am-10:38 pm

2 stops17h 38m

$282

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 8/3

7:45 am-12:18 am

2 stops18h 33m

$282

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sat 8/15

6:28 pm-12:35 pm

1 stop20h 07m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Missoula
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Missoula from Ontario?

    For a flight from Ontario to Missoula, you will be flying into Johnson-Bell Field. Missoula Johnson-Bell Field (MSO) is just 5.5 mi from the center of the city.

  • How long is the flight from Region of Ontario to Missoula?

    There are many flights that can get you from Region of Ontario to Missoula in 10h 08m. Fly via United Airlines or Delta to get the fastest option. The distance between Region of Ontario and Missoula is about 1675 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Missoula that include hotel bookings?

    Yes. In addition to deals on Ontario to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Missoula.

  • Can I find deals for business class flights from Ontario to Missoula?

    Yes. Cheapflights offers flight deals from Ontario to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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