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$210+ Cheap flights from Montana to Ontario

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — YYZ
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Montana to Ontario

Keep the following information in mind while searching for Montana to Ontario flight deals. Data was last updated July 31, 2025.

Round-trip from

$466
(American Airlines)

One-way from

$210
(American Airlines)
From Montana to Ontario
Search Deals
One-way flight from Montana to Ontario
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Find flight deals from Montana to Ontario

Cheapest flights from Montana to Ontario
Explore the most affordable flight options available from Montana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:28 pmFCA - YYZ
1 stop19h 31mAmerican Airlines
Sun 9/146:30 amYYZ - FCA
1 stop11h 43mAmerican Airlines
Deal found 7/30$466
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:59 pmBZN - YYZ
1 stop8h 21mMultiple Airlines
Thu 9/410:40 amYYZ - BZN
2 stops15h 32mMultiple Airlines
Deal found 7/29$474
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:06 pmBZN - YUL
1 stop23h 27mAmerican Airlines
Sun 10/512:31 pmYUL - BZN
1 stop26h 22mAmerican Airlines
Deal found 7/31$506
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:07 amBZN - YUL
3 stops31h 13mMultiple Airlines
Sun 10/56:45 amYUL - BZN
2 stops29h 28mMultiple Airlines
Deal found 7/31$523
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/283:08 pmBZN - YYZ
1 stop21h 52mAlaska Airlines
Thu 9/44:45 pmYYZ - BZN
1 stop7h 53mAlaska Airlines
Deal found 7/30$631
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/302:41 pmBZN - YYZ
1 stop20h 17mUnited Airlines
Fri 9/56:35 pmYYZ - BZN
1 stop17h 19mUnited Airlines
Deal found 7/30$640
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:28 pmBZN - YYZ
2 stops11h 24mDelta
Fri 9/56:45 amYYZ - BZN
2 stops12h 03mDelta
Deal found 7/30$677
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/144:54 pmBZN - YYZ
1 stop17h 42mAmerican Airlines
Sun 8/176:21 pmYYZ - BZN
1 stop20h 18mAmerican Airlines
Deal found 7/29$774
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:47 amFCA - YYZ
2 stops11h 11mUnited Airlines
Sat 9/610:05 amYYZ - FCA
2 stops13h 35mUnited Airlines
Deal found 7/31$859
This business-class.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:35 pmBZN - YYZ
1 stop19h 24mBritish Airways
Sat 8/233:14 pmYYZ - BZN
1 stop23h 25mBritish Airways
Deal found 7/29$1,437

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Ontario 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 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Montana to Ontario that are best for you.

Fly from

Montana

Fly to

Ontario

Route

Depart

Return

Price

KalispellToronto

FCA - YYZ

FCAYYZ

Kalispell Glacier Park

Wed 9/10

1:28 pm-10:59 am

1 stop19h 31m

Toronto Pearson Intl

Sun 9/14

6:30 am-4:13 pm

1 stop11h 43m

$466

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Thu 8/28

7:59 pm-6:20 am

1 stop8h 21m

Toronto Pearson Intl

Thu 9/4

10:40 am-12:12 am

2 stops15h 32m

$474

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Thu 10/2

3:06 pm-4:33 pm

1 stop23h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

12:31 pm-12:53 pm

1 stop26h 22m

$506

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Thu 10/2

10:07 am-7:20 pm

3 stops31h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:45 am-10:13 am

2 stops29h 28m

$523

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Thu 8/28

3:08 pm-3:00 pm

1 stop21h 52m

Toronto Pearson Intl

Thu 9/4

4:45 pm-10:38 pm

1 stop7h 53m

$631

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Sat 8/30

2:41 pm-12:58 pm

1 stop20h 17m

Toronto Pearson Intl

Fri 9/5

6:35 pm-9:54 am

1 stop17h 19m

$640

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Sat 8/30

5:28 pm-6:52 am

2 stops11h 24m

Toronto Pearson Intl

Fri 9/5

6:45 am-4:48 pm

2 stops12h 03m

$677

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Thu 8/14

4:54 pm-12:36 pm

1 stop17h 42m

Toronto Pearson Intl

Sun 8/17

6:21 pm-12:39 pm

1 stop20h 18m

$774

KalispellToronto

FCA - YYZ

FCAYYZ

Kalispell Glacier Park

Fri 9/5

10:47 am-11:58 pm

2 stops11h 11m

Toronto Pearson Intl

Sat 9/6

10:05 am-9:40 pm

2 stops13h 35m

$859

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Tue 9/30

4:19 pm-11:45 am

2 stops17h 26m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 16 results
1
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Best time to book a flight from Montana to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Montana 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 Montana to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Montana to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

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

    $210 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $410 and $482, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Montana to Region of Ontario (average of $243). Flying from Montana to Region of Ontario in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Montana to Ontario

Discover the top airline that operate flights from Montana to Ontario. 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 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$847FlexibilityNo cancel feeOn-time69%

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