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$151+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — YYZ
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$297
(Kiwi.com)

One-way from

$151
(Kiwi.com)
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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/202:46 pmBZN - YYZ
1 stop27h 46mMultiple Airlines
Mon 11/247:55 pmYYZ - BZN
1 stop27h 15mMultiple Airlines
Deal found 9/15$297
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 11/218:51 pmBZN - YYZ
2 stops37h 22mMultiple Airlines
Tue 11/2512:40 pmYYZ - BZN
1 stop10h 30mMultiple Airlines
Deal found 9/15$386
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 10/77:25 amBZN - YYZ
2 stops9h 05mDelta
Sat 10/1812:15 pmYYZ - BZN
2 stops11h 59mDelta
Deal found 9/15$440
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 11/218:51 pmBZN - YYZ
1 stop20h 49mMultiple Airlines
Mon 11/247:55 pmYYZ - BZN
1 stop27h 15mMultiple Airlines
Deal found 9/15$514
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/71:00 pmBZN - YYZ
1 stop21h 35mAmerican Airlines
Sat 10/186:29 pmYYZ - BZN
1 stop20h 39mAmerican Airlines
Deal found 9/15$591
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/71:42 pmBZN - YYZ
2 stops23h 18mAlaska Airlines
Sat 10/184:45 pmYYZ - BZN
1 stop7h 52mAlaska Airlines
Deal found 9/15$604
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/104:13 pmBZN - YUL
1 stop22h 07mUnited Airlines
Tue 10/146:45 pmYUL - BZN
1 stop21h 48mUnited Airlines
Deal found 9/13$615
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 11/207:25 amBZN - YYZ
2 stops13h 40mDelta
Mon 11/246:30 amYYZ - BZN
2 stops12h 16mDelta
Deal found 9/15$631
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/114:54 pmBZN - YUL
2 stops17h 30mAmerican Airlines
Tue 10/1412:30 pmYUL - BZN
1 stop26h 38mAmerican Airlines
Deal found 9/13$686
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 10/124:13 pmBZN - YUL
1 stop12h 40mUnited Airlines
Wed 10/158:20 amYUL - BZN
1 stop12h 38mUnited Airlines
Deal found 9/13$773
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/104:30 pmBZN - YUL
2 stops16h 05mUnited Airlines
Wed 10/158:20 amYUL - BZN
1 stop12h 38mUnited Airlines
Deal found 9/13$830
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 10/1211:10 amBZN - YUL
1 stop8h 56mUnited Airlines
Tue 10/146:15 amYUL - BZN
1 stop14h 43mUnited Airlines
Deal found 9/13$835

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 September 16, 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

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 10/7

7:25 am-6:30 pm

2 stops9h 05m

Toronto Pearson Intl

Sat 10/18

12:15 pm-10:14 pm

2 stops11h 59m

$440

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Fri 11/21

8:51 pm-7:40 pm

1 stop20h 49m

Toronto Pearson Intl

Tue 11/25

9:35 am-9:10 pm

1 stop13h 35m

$512

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 10/7

1:00 pm-12:35 pm

1 stop21h 35m

Toronto Pearson Intl

Sat 10/18

6:29 pm-1:08 pm

1 stop20h 39m

$591

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 10/7

1:42 pm-3:00 pm

2 stops23h 18m

Toronto Pearson Intl

Sat 10/18

4:45 pm-10:37 pm

1 stop7h 52m

$604

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Fri 10/10

4:13 pm-4:20 pm

1 stop22h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

6:45 pm-2:33 pm

1 stop21h 48m

$615

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Sat 10/11

4:13 pm-8:28 pm

1 stop26h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

6:45 pm-2:33 pm

1 stop21h 48m

$615

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Thu 11/20

7:25 am-11:05 pm

2 stops13h 40m

Toronto Pearson Intl

Mon 11/24

6:30 am-4:46 pm

2 stops12h 16m

$631

KalispellToronto

FCA - YYZ

FCAYYZ

Kalispell Glacier Park

Wed 3/11

4:09 pm-3:35 pm

2 stops21h 26m

Toronto Pearson Intl

Sat 3/14

4:45 pm-3:23 pm

1 stop24h 38m

$634

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Fri 11/21

6:04 am-8:29 pm

2 stops12h 25m

Toronto Pearson Intl

Tue 11/25

6:30 am-4:46 pm

2 stops12h 16m

$651

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Fri 11/21

6:04 am-8:29 pm

2 stops12h 25m

Toronto Pearson Intl

Mon 11/24

6:30 am-4:46 pm

2 stops12h 16m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
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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 September 16, 2025.
Peruse reviews from past customers who have flown with 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.
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Airlines like Delta, American Airlines, and Alaska Airlines fly from Montana to Region of Ontario in about 9h 05m. The time it takes to get you to your destination can typically vary by up to 14h 13m. The distance from Montana to Region of Ontario is about 1544 mi. This flight may include one or multiple stops.

  • 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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Alternative routes for Montana to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$771Average$832FlexibilityNo cancel feeOn-time69%

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