Find flights
When to book
FAQs

Cheap flights from Ontario to Missoula from C$ 285

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Missoula

Enter your travel dates to find the best prices.

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 2 April 2026.

Wed 27/510:15 a.m.
YYZ
-
MSO
2 stops14h 21m
United Airlines
Sun 31/56:15 a.m.
MSO
-
YYZ
1 stop6h 59m
United Airlines
Deal found 30/3C$ 567
Sat 31/108:50 a.m.
YYZ
-
MSO
2 stops14h 36m
United Airlines
Sun 1/112:27 p.m.
MSO
-
YYZ
1 stop6h 17m
United Airlines
Deal found 30/3C$ 622
Fri 15/54:55 p.m.
YYZ
-
MSO
1 stop9h 04m
Alaska Airlines
Mon 18/57:45 a.m.
MSO
-
YYZ
1 stop30h 00m
Alaska Airlines
Deal found 1/4C$ 747
Thu 9/71:00 p.m.
YYZ
-
MSO
2 stops12h 56m
United Airlines
Mon 13/74:19 p.m.
MSO
-
YYZ
2 stops21h 27m
United Airlines
Deal found 31/3C$ 750
Fri 15/57:43 p.m.
YYZ
-
MSO
2 stops19h 52m
United Airlines
Mon 18/56:15 a.m.
MSO
-
YYZ
1 stop13h 17m
United Airlines
Deal found 1/4C$ 913
Wed 28/105:45 a.m.
YXU
-
MSO
2 stops12h 25m
United Airlines
Sun 1/116:15 a.m.
MSO
-
YXU
2 stops13h 31m
United Airlines
Deal found 30/3C$ 917
Fri 15/56:30 a.m.
YYZ
-
MSO
1 stop10h 10m
Delta
Mon 18/56:05 p.m.
MSO
-
YYZ
2 stops15h 10m
Delta
Deal found 28/3C$ 922

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 2 April 2026.

Round-trip from

C$ 567

One-way from

C$ 285
United Airlines
  • United Airlines
  • 27/5-31/5
  • 3 total stops
  • 20h 49m total
  • Ontario to Missoula
Search Deals
United Airlines
  • United Airlines
  • 27/4
  • 2 total stops
  • 18h 32m total
  • Ontario to Missoula
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 629,999 searches. Data last updated 2 April 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
Quickest round-trip

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Wed 27/5

10:15 a.m.-10:36 p.m.

2 stops14h 21m

Missoula Johnson-Bell Field

Sun 31/5

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 567

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 15/5

4:55 p.m.-11:59 p.m.

1 stop9h 04m

Missoula Johnson-Bell Field

Mon 18/5

7:45 a.m.-3:45 p.m.

1 stop30h 00m

C$ 747

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 15/5

7:43 p.m.-1:35 p.m.

2 stops19h 52m

Missoula Johnson-Bell Field

Mon 18/5

6:15 a.m.-9:32 p.m.

1 stop13h 17m

C$ 913

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 15/5

6:30 a.m.-2:40 p.m.

1 stop10h 10m

Missoula Johnson-Bell Field

Mon 18/5

6:05 p.m.-11:15 a.m.

2 stops15h 10m

C$ 922
Cheapest one-way

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 27/4

9:00 p.m.-1:32 p.m.

2 stops18h 32m

C$ 285
Quickest one-way

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sun 2/8

6:30 a.m.-2:38 p.m.

1 stop10h 08m

C$ 353

LondonMissoula

YXU - MSO

YXUMSO

London

Mon 27/4

5:55 p.m.-2:59 p.m.

2 stops23h 04m

C$ 503

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sat 16/5

10:55 p.m.-11:59 p.m.

3 stops27h 04m

C$ 529

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Sorted by cheapest first

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 United Airlines and Alaska Airlines fly from Region of Ontario to Missoula in about 9h 04m. The time it takes to get you to your destination can typically vary by up to 5h 17m. The distance from Region of Ontario to Missoula is about 2696 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.