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Missoula

$262+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from Ontario to Missoula

Keep the following information in mind while searching for Ontario to Missoula flight deals. Data was last updated August 2, 2025.

Round-trip from

$502
(American Airlines)

One-way from

$262
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$761
From Ontario to Missoula Johnson-Bell Field
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One-way flight from Ontario to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 19% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 2, 2025.

This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:11 pmYYZ - MSO
1 stop10h 07mAmerican Airlines
Wed 10/112:50 pmMSO - YYZ
1 stop20h 09mAmerican Airlines
Deal found 8/1$502
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:45 pmYYZ - MSO
2 stops22h 49mAlaska Airlines
Wed 10/16:40 pmMSO - YYZ
1 stop18h 20mAlaska Airlines
Deal found 7/31$557
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 8/2710:20 amYYZ - MSO
2 stops15h 29mDelta
Wed 9/105:49 amMSO - YYZ
2 stops15h 58mDelta
Deal found 8/1$574
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 8/277:00 amYYZ - MSO
3 stops16h 22mUnited Airlines
Wed 9/106:30 amMSO - YYZ
2 stops13h 53mUnited Airlines
Deal found 8/1$639
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:30 amYYZ - MSO
2 stops12h 57mMultiple Airlines
Wed 9/106:30 amMSO - YYZ
1 stop6h 41mMultiple Airlines
Deal found 8/1$916

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 August 2, 2025.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.

Fly from

Ontario

Fly to

Missoula

Route

Depart

Return

Price

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 9/22

3:11 pm-11:18 pm

1 stop10h 07m

Missoula Johnson-Bell Field

Wed 10/1

12:50 pm-10:59 am

1 stop20h 09m

$502

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 9/22

4:45 pm-1:34 pm

2 stops22h 49m

Missoula Johnson-Bell Field

Wed 10/1

6:40 pm-3:00 pm

1 stop18h 20m

$557

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Wed 8/27

10:20 am-11:49 pm

2 stops15h 29m

Missoula Johnson-Bell Field

Wed 9/10

5:49 am-11:47 pm

2 stops15h 58m

$574

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Wed 8/27

7:00 am-9:22 pm

3 stops16h 22m

Missoula Johnson-Bell Field

Wed 9/10

6:30 am-10:23 pm

2 stops13h 53m

$639

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Tue 8/26

12:30 am-11:27 am

2 stops12h 57m

Missoula Johnson-Bell Field

Wed 9/10

6:30 am-3:11 pm

1 stop6h 41m

$916

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sat 8/23

10:25 pm-5:31 pm

2 stops45h 06m

$262

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sat 8/23

5:43 pm-11:10 pm

1 stop7h 27m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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.

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated August 2, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Ontario to Missoula have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

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.

  • 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.

  • What is the cheapest month to book a flight from Region of Ontario to Missoula?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Missoula (average of $365). Flying from Region of Ontario to Missoula in March is currently the most expensive (average of $506). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Missoula

Discover the top airline that operate flights from Ontario to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$555Average$754FlexibilityNo cancel feeOn-time69%

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