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Cheap flights from Ontario to Missoula from C$ 366

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
3 Aug — 10 Aug1
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 4 July 2026.

Thu 13/89:00 p.m.
YYZ
-
MSO
2 stops14h 57m
United Airlines
Thu 20/85:24 p.m.
MSO
-
YYZ
2 stops16h 25m
United Airlines
Deal found 29/6C$ 871
Tue 22/126:30 a.m.
YYZ
-
MSO
2 stops12h 57m
Delta
Mon 28/128:00 a.m.
MSO
-
YYZ
2 stops14h 01m
Delta
Deal found 2/7C$ 905
Thu 30/76:30 a.m.
YYZ
-
MSO
1 stop10h 08m
Delta
Mon 3/86:00 a.m.
MSO
-
YYZ
1 stop10h 34m
Delta
Deal found 29/6C$ 955
Thu 6/85:15 p.m.
YYZ
-
MSO
2 stops18h 40m
United Airlines
Mon 10/86:05 a.m.
MSO
-
YYZ
1 stop13h 27m
United Airlines
Deal found 1/7C$ 987
Sat 24/105:40 a.m.
YXU
-
MSO
2 stops9h 52m
United Airlines
Wed 28/106:15 a.m.
MSO
-
YXU
2 stops13h 37m
United Airlines
Deal found 30/6C$ 1,034
Sun 16/84:00 p.m.
YYZ
-
MSO
2 stops19h 57m
United Airlines
Sun 23/86:15 a.m.
MSO
-
YYZ
1 stop15h 02m
United Airlines
Deal found 2/7C$ 1,100
Sun 16/810:05 a.m.
YXU
-
MSO
2 stops13h 26m
United Airlines
Sun 23/86:15 a.m.
MSO
-
YXU
2 stops25h 05m
United Airlines
Deal found 2/7C$ 1,457
Tue 22/127:05 a.m.
YHM
-
MSO
2 stops18h 54m
Multiple Airlines
Mon 28/126:40 a.m.
MSO
-
YHM
2 stops15h 12m
Multiple Airlines
Deal found 2/7C$ 1,901
Thu 13/88:35 p.m.
YHM
-
MSO
2 stops16h 07m
Multiple Airlines
Thu 20/84:16 p.m.
MSO
-
YHM
2 stops12h 54m
Multiple Airlines
Deal found 29/6C$ 1,938
Thu 30/76:10 p.m.
YHM
-
MSO
2 stops23h 59m
Multiple Airlines
Mon 3/87:59 p.m.
MSO
-
YHM
2 stops19h 16m
Multiple Airlines
Deal found 29/6C$ 2,034
Sun 16/88:35 p.m.
YHM
-
MSO
2 stops16h 07m
Multiple Airlines
Sun 23/84:16 p.m.
MSO
-
YHM
2 stops12h 54m
Multiple Airlines
Deal found 2/7C$ 2,199

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 4 July 2026.

Round-trip from

C$ 871

One-way from

C$ 366
United Airlines
  • United Airlines
  • 13/8-20/8
  • 4 total stops
  • 31h 22m total
  • Ontario to Missoula
Search Deals
American Airlines
  • American Airlines
  • 15/8
  • 1 total stop
  • 20h 07m 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 4 July 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 13/8

9:00 p.m.-9:57 a.m.

2 stops14h 57m

Missoula Johnson-Bell Field

Thu 20/8

5:24 p.m.-11:49 a.m.

2 stops16h 25m

C$ 871
Quickest round-trip

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 30/7

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

1 stop10h 08m

Missoula Johnson-Bell Field

Mon 3/8

6:00 a.m.-6:34 p.m.

1 stop10h 34m

C$ 955

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 6/8

5:15 p.m.-9:55 a.m.

2 stops18h 40m

Missoula Johnson-Bell Field

Mon 10/8

6:05 a.m.-9:32 p.m.

1 stop13h 27m

C$ 987

LondonMissoula

YXU - MSO

YXUMSO

London

Sat 24/10

5:40 a.m.-1:32 p.m.

2 stops9h 52m

Missoula Johnson-Bell Field

Wed 28/10

6:15 a.m.-9:52 p.m.

2 stops13h 37m

C$ 1,034

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sun 16/8

4:00 p.m.-9:57 a.m.

2 stops19h 57m

Missoula Johnson-Bell Field

Sun 23/8

6:15 a.m.-11:17 p.m.

1 stop15h 02m

C$ 1,100

LondonMissoula

YXU - MSO

YXUMSO

London

Sun 16/8

10:05 a.m.-9:31 p.m.

2 stops13h 26m

Missoula Johnson-Bell Field

Sun 23/8

6:15 a.m.-9:20 a.m.

2 stops25h 05m

C$ 1,457

HamiltonMissoula

YHM - MSO

YHMMSO

Hamilton

Tue 22/12

7:05 a.m.-11:59 p.m.

2 stops18h 54m

Missoula Johnson-Bell Field

Mon 28/12

6:40 a.m.-11:52 p.m.

2 stops15h 12m

C$ 1,901

HamiltonMissoula

YHM - MSO

YHMMSO

Hamilton

Thu 13/8

8:35 p.m.-10:42 a.m.

2 stops16h 07m

Missoula Johnson-Bell Field

Thu 20/8

4:16 p.m.-7:10 a.m.

2 stops12h 54m

C$ 1,938

HamiltonMissoula

YHM - MSO

YHMMSO

Hamilton

Thu 30/7

6:10 p.m.-4:09 p.m.

2 stops23h 59m

Missoula Johnson-Bell Field

Mon 3/8

7:59 p.m.-5:15 p.m.

2 stops19h 16m

C$ 2,034

HamiltonMissoula

YHM - MSO

YHMMSO

Hamilton

Sun 16/8

8:35 p.m.-10:42 a.m.

2 stops16h 07m

Missoula Johnson-Bell Field

Sun 23/8

4:16 p.m.-7:10 a.m.

2 stops12h 54m

C$ 2,199

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 19 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?

    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 Delta fly from Region of Ontario to Missoula in about 10h 08m. The time it takes to get you to your destination can typically vary by up to 4h 49m. 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

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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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