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Cheap flights from Ontario to Missoula from C$ 605

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 621

One-way from

C$ 605

Popular in

December

Cheapest in

February

Average price

C$ 855
American Airlines
  • American Airlines
  • 22/9-1/10
  • 2 total stops
  • 30h 16m total
  • Ontario to Missoula
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Delta
  • Delta
  • 7/8
  • 1 total stop
  • 8h 39m total
  • Ontario to Missoula
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 294 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 31 July 2025.

Mon 22/93:11 p.m.YYZ - MSO
1 stop10h 07mAmerican Airlines
Wed 1/1012:50 p.m.MSO - YYZ
1 stop20h 09mAmerican Airlines
Deal found 30/7C$ 621
Mon 22/94:45 p.m.YYZ - MSO
2 stops22h 49mAlaska Airlines
Wed 1/106:40 p.m.MSO - YYZ
1 stop18h 20mAlaska Airlines
Deal found 31/7C$ 771
Sun 14/97:21 p.m.YYZ - MSO
1 stop6h 25mDelta
Sun 21/95:30 a.m.MSO - YYZ
1 stop9h 05mDelta
Deal found 31/7C$ 891
Sun 14/96:35 p.m.YYZ - MSO
2 stops17h 22mUnited Airlines
Sun 21/94:17 p.m.MSO - YYZ
2 stops15h 41mUnited Airlines
Deal found 31/7C$ 894

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 629,999 searches. Data last updated 31 July 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 22/9

3:11 p.m.-11:18 p.m.

1 stop10h 07m

Missoula Johnson-Bell Field

Wed 1/10

12:50 p.m.-10:59 a.m.

1 stop20h 09m

C$ 621

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 22/9

4:45 p.m.-1:34 p.m.

2 stops22h 49m

Missoula Johnson-Bell Field

Wed 1/10

6:40 p.m.-3:00 p.m.

1 stop18h 20m

C$ 771

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sun 14/9

7:21 p.m.-11:46 p.m.

1 stop6h 25m

Missoula Johnson-Bell Field

Sun 21/9

5:30 a.m.-4:35 p.m.

1 stop9h 05m

C$ 891

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sun 14/9

6:35 p.m.-9:57 a.m.

2 stops17h 22m

Missoula Johnson-Bell Field

Sun 21/9

4:17 p.m.-9:58 a.m.

2 stops15h 41m

C$ 894

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 7/8

5:45 p.m.-12:24 a.m.

1 stop8h 39m

C$ 605

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 7/8

6:30 a.m.-9:09 p.m.

3 stops40h 39m

C$ 875

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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 31 July 2025.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Ontario to Missoula. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

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?

    Located just 8.9 km from the city centre, Missoula Johnson-Bell Field (MSO) is the airport most travelers will use when flying to Missoula from Ontario.

  • What are the most popular routes from Region of Ontario to Missoula?

    While some choose either London - Missoula Johnson-Bell Field or Hamilton - Missoula Johnson-Bell Field, Toronto Pearson Intl - Missoula Johnson-Bell Field is the most popular route from Region of Ontario to Missoula.

  • 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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Alternative routes for Ontario to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
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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 629,999 searches. Data last updated 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 510AverageC$ 865FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Ontario to Missoula?

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Missoula from Ontario.

Can Cheapflights find flights from Ontario to Missoula with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Missoula, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Missoula become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Missoula flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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