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Cheap flights from Ontario to Montana from C$ 250

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BZN
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Montana

Keep the following information in mind while searching for Ontario to Montana flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 416

One-way from

C$ 250

Popular in

December

Cheapest in

June

Average price

C$ 913
United Airlines
  • United Airlines
  • 5/12-11/12
  • 2 total stops
  • 13h 52m total
  • Ontario to Montana
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 3/3
  • 1 total stop
  • 7h 58m total
  • Ontario to Montana
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Ontario to Montana

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Montana
Explore the most affordable flight options available from Ontario to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Fri 5/126:20 a.m.YOW - BZN
1 stop7h 24mUnited Airlines
Thu 11/1212:50 p.m.BZN - YOW
1 stop6h 28mUnited Airlines
Deal found 29/10C$ 416
Tue 9/124:44 p.m.YYZ - BZN
2 stops22h 10mAmerican Airlines
Tue 16/121:46 p.m.BZN - YYZ
2 stops20h 44mAmerican Airlines
Deal found 29/10C$ 504
Sat 22/115:10 p.m.YYZ - MSO
1 stop6h 36mDelta
Fri 28/118:00 a.m.MSO - YYZ
2 stops13h 58mDelta
Deal found 30/10C$ 511
Thu 20/117:40 a.m.YYZ - MSO
2 stops16h 06mDelta
Thu 27/115:25 a.m.MSO - YYZ
2 stops14h 35mDelta
Deal found 30/10C$ 521
Thu 27/116:05 a.m.YYZ - BZN
2 stops10h 15mDelta
Thu 4/127:25 a.m.BZN - YYZ
2 stops14h 02mDelta
Deal found 30/10C$ 550
Sat 22/114:45 p.m.YYZ - BZN
2 stops24h 32mAlaska Airlines
Fri 28/1111:51 a.m.BZN - YYZ
1 stop25h 44mAlaska Airlines
Deal found 29/10C$ 552
Sun 23/117:55 p.m.YYZ - MSO
1 stop15h 21mMultiple Airlines
Wed 26/1110:25 p.m.MSO - YYZ
1 stop19h 30mMultiple Airlines
Deal found 30/10C$ 559
Thu 20/117:55 p.m.YYZ - MSO
1 stop15h 21mMultiple Airlines
Wed 26/1110:25 p.m.MSO - YYZ
1 stop22h 35mMultiple Airlines
Deal found 30/10C$ 566
Sun 14/128:45 p.m.YYZ - BZN
2 stops40h 21mMultiple Airlines
Sun 21/1210:10 a.m.BZN - YYZ
1 stop18h 37mMultiple Airlines
Deal found 30/10C$ 571
Tue 9/129:35 a.m.YYZ - BZN
1 stop9h 27mMultiple Airlines
Tue 16/127:00 a.m.BZN - YYZ
2 stops27h 28mMultiple Airlines
Deal found 29/10C$ 578
Fri 21/116:10 a.m.YYZ - MSO
2 stops17h 36mDelta
Fri 28/118:00 a.m.MSO - YYZ
2 stops13h 58mDelta
Deal found 30/10C$ 595
Sun 23/117:55 p.m.YYZ - MSO
1 stop15h 21mMultiple Airlines
Thu 27/114:03 p.m.MSO - YYZ
2 stops36h 05mMultiple Airlines
Deal found 30/10C$ 610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Montana 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 30 October 2025.
Use the filters below to find and compare flights from Ontario to Montana that are best for you.

Fly from

Ontario

Fly to

Montana

Route

Depart

Return

Price

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Fri 5/12

6:20 a.m.-11:44 a.m.

1 stop7h 24m

Bozeman Gallatin Field

Thu 11/12

12:50 p.m.-9:18 p.m.

1 stop6h 28m

C$ 416

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Sun 1/3

4:45 p.m.-1:13 p.m.

2 stops22h 28m

Kalispell Glacier Park

Wed 4/3

4:00 p.m.-3:35 p.m.

1 stop21h 35m

C$ 487

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Tue 9/12

4:44 p.m.-12:54 p.m.

2 stops22h 10m

Bozeman Gallatin Field

Tue 16/12

1:46 p.m.-12:30 p.m.

2 stops20h 44m

C$ 504

MontrealBozeman

YUL - BZN

YULBZN

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

7:30 a.m.-10:02 p.m.

2 stops16h 32m

Bozeman Gallatin Field

Sat 14/2

7:00 a.m.-10:50 p.m.

2 stops13h 50m

C$ 510

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Sat 22/11

12:08 p.m.-11:13 p.m.

2 stops13h 05m

Missoula Johnson-Bell Field

Mon 24/11

5:25 a.m.-11:59 p.m.

2 stops16h 34m

C$ 511

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Wed 25/2

4:10 p.m.-9:57 p.m.

1 stop7h 47m

Missoula Johnson-Bell Field

Thu 26/2

5:05 p.m.-9:36 a.m.

2 stops14h 31m

C$ 512

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 20/11

6:00 a.m.-9:46 p.m.

2 stops17h 46m

Missoula Johnson-Bell Field

Fri 28/11

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

2 stops13h 58m

C$ 521

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Mon 24/11

7:40 a.m.-12:19 a.m.

2 stops18h 39m

Missoula Johnson-Bell Field

Thu 27/11

5:25 a.m.-10:00 p.m.

2 stops14h 35m

C$ 521

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Thu 20/11

6:10 a.m.-9:46 p.m.

2 stops17h 36m

Missoula Johnson-Bell Field

Sun 23/11

5:25 a.m.-11:21 p.m.

2 stops15h 56m

C$ 521

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Thu 27/11

6:05 a.m.-2:20 p.m.

2 stops10h 15m

Bozeman Gallatin Field

Thu 4/12

7:25 a.m.-11:27 p.m.

2 stops14h 02m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 59 results
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Best time to book a flight from Ontario to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana 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 Montana

What is the cheapest time of day to fly from ON to MT?

Find hourly flight availability from Ontario to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

When flying from Region of Ontario to Montana, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the morning.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated 30 October 2025.
Get a feel of what it's like to fly with United Airlines from Ontario to Montana by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Ontario to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Region of Ontario to Montana in 7h 24m. Fly via United Airlines, Alaska Airlines, or American Airlines to get the fastest option. The distance from Region of Ontario to Montana is about 2739 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Montana one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 253. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Region of Ontario to Montana for a low price.

  • Can I find deals for flights from Ontario to Montana that include hotel bookings?

    Yes. In addition to deals on Ontario to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Montana.

  • Can I find deals for business class flights from Ontario to Montana?

    Yes. Cheapflights offers flight deals from Ontario to Montana 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 Montana

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 Montana

Discover the top airline that operate flights from Ontario to Montana. 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 395AverageC$ 815FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Ontario to Montana flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Montana for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Montana from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Montana from Ontario today and book when prices fit your budget.

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