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Cheap flights from Ontario to Missoula from C$ 315

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 576

One-way from

C$ 315

Popular in

December

Cheapest in

February

Average price

C$ 873
Alaska Airlines
  • Alaska Airlines
  • 30/10-2/11
  • 2 total stops
  • 16h 01m total
  • Ontario to Missoula
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Alaska Airlines
  • Alaska Airlines
  • 15/12
  • 1 total stop
  • 24h 47m total
  • Ontario to Missoula
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 15 September 2025.

Thu 30/104:45 p.m.YYZ - MSO
1 stop8h 58mAlaska Airlines
Sun 2/115:32 a.m.MSO - YYZ
1 stop7h 03mAlaska Airlines
Deal found 13/9C$ 576
Thu 30/1012:25 p.m.YYZ - MSO
2 stops11h 15mDelta
Sun 2/118:00 a.m.MSO - YYZ
2 stops13h 58mDelta
Deal found 13/9C$ 888
Mon 22/99:44 a.m.YYZ - MSO
1 stop8h 25mUnited Airlines
Wed 1/1010:38 a.m.MSO - YYZ
2 stops11h 20mUnited Airlines
Deal found 15/9C$ 1,060

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 15 September 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

Thu 30/10

4:45 p.m.-11:43 p.m.

1 stop8h 58m

Missoula Johnson-Bell Field

Sun 2/11

5:32 a.m.-2:35 p.m.

1 stop7h 03m

C$ 576

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Wed 25/2

4:45 p.m.-11:57 p.m.

1 stop9h 12m

Missoula Johnson-Bell Field

Thu 26/2

2:35 p.m.-3:35 p.m.

1 stop23h 00m

C$ 584

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Wed 25/2

11:00 a.m.-9:30 p.m.

2 stops12h 30m

Missoula Johnson-Bell Field

Thu 26/2

5:20 p.m.-9:29 a.m.

2 stops14h 09m

C$ 884

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 30/10

12:25 p.m.-9:40 p.m.

2 stops11h 15m

Missoula Johnson-Bell Field

Sun 2/11

8:00 a.m.-11:58 p.m.

2 stops13h 58m

C$ 888

LondonMissoula

YXU - MSO

YXUMSO

London

Fri 13/3

5:45 a.m.-9:26 p.m.

2 stops17h 41m

Missoula Johnson-Bell Field

Sat 21/3

5:20 p.m.-8:46 a.m.

2 stops37h 26m

C$ 945

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 15/12

4:45 p.m.-3:32 p.m.

1 stop24h 47m

C$ 315

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 15/12

1:30 p.m.-3:32 p.m.

3 stops28h 02m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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?

    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.

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

    Airlines like Alaska Airlines fly from Region of Ontario to Missoula in about 8h 58m. The time it takes to get you to your destination can typically vary by up to . The distance from Region of Ontario to Missoula is about 2696 km.

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

    While some choose either Hamilton - Missoula Johnson-Bell Field or London - 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 509AverageC$ 864FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Missoula from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Missoula?

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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