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Cheap flights from Montana to Ontario from C$ 399

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — YYZ
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 645

One-way from

C$ 399
American Airlines
  • American Airlines
  • 10/9-14/9
  • 2 total stops
  • 31h 14m total
  • Montana to Ontario
Search Deals
12/8
  • 12/8
  • 2 total stops
  • 24h 22m total
  • Montana to Ontario
Search Deals

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 31 July 2025.

Wed 10/91:28 p.m.FCA - YYZ
1 stop19h 31mAmerican Airlines
Sun 14/96:30 a.m.YYZ - FCA
1 stop11h 43mAmerican Airlines
Deal found 30/7C$ 645
Thu 2/103:06 p.m.BZN - YUL
1 stop23h 27mAmerican Airlines
Sun 5/1012:31 p.m.YUL - BZN
1 stop26h 22mAmerican Airlines
Deal found 31/7C$ 700
Thu 2/1010:07 a.m.BZN - YUL
3 stops31h 13mMultiple Airlines
Sun 5/106:45 a.m.YUL - BZN
2 stops29h 28mMultiple Airlines
Deal found 31/7C$ 724
Wed 27/85:49 a.m.BIL - YUL
1 stop27h 47mAmerican Airlines
Wed 3/912:30 p.m.YUL - BIL
1 stop10h 27mAmerican Airlines
Deal found 31/7C$ 858
Thu 28/83:08 p.m.BZN - YYZ
1 stop21h 52mAlaska Airlines
Thu 4/94:45 p.m.YYZ - BZN
1 stop7h 53mAlaska Airlines
Deal found 30/7C$ 873
Sat 30/82:41 p.m.BZN - YYZ
1 stop20h 17mUnited Airlines
Fri 5/96:35 p.m.YYZ - BZN
1 stop17h 19mUnited Airlines
Deal found 30/7C$ 886
Sat 30/85:28 p.m.BZN - YYZ
2 stops11h 24mDelta
Fri 5/96:45 a.m.YYZ - BZN
2 stops12h 03mDelta
Deal found 30/7C$ 937
Thu 31/74:30 p.m.BZN - YYZ
1 stop20h 04mAmerican Airlines
Sat 23/86:21 p.m.YYZ - BZN
1 stop20h 18mAmerican Airlines
Deal found 30/7C$ 1,171
Fri 5/910:47 a.m.FCA - YYZ
2 stops11h 11mUnited Airlines
Sat 6/910:05 a.m.YYZ - FCA
2 stops13h 35mUnited Airlines
Deal found 31/7C$ 1,189

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 629,999 searches. Data last updated 31 July 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 10/9

1:28 p.m.-10:59 a.m.

1 stop19h 31m

Toronto Pearson Intl

Sun 14/9

6:30 a.m.-4:13 p.m.

1 stop11h 43m

C$ 645

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Thu 2/10

3:06 p.m.-4:33 p.m.

1 stop23h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

12:31 p.m.-12:53 p.m.

1 stop26h 22m

C$ 700

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Thu 2/10

10:07 a.m.-7:20 p.m.

3 stops31h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

6:45 a.m.-10:13 a.m.

2 stops29h 28m

C$ 724

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Wed 27/8

5:49 a.m.-11:36 a.m.

1 stop27h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

12:30 p.m.-8:57 p.m.

1 stop10h 27m

C$ 858

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Thu 28/8

3:08 p.m.-3:00 p.m.

1 stop21h 52m

Toronto Pearson Intl

Thu 4/9

4:45 p.m.-10:38 p.m.

1 stop7h 53m

C$ 873

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Sat 30/8

2:41 p.m.-12:58 p.m.

1 stop20h 17m

Toronto Pearson Intl

Fri 5/9

6:35 p.m.-9:54 a.m.

1 stop17h 19m

C$ 886

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Sat 30/8

5:28 p.m.-6:52 a.m.

2 stops11h 24m

Toronto Pearson Intl

Fri 5/9

6:45 a.m.-4:48 p.m.

2 stops12h 03m

C$ 937

KalispellToronto

FCA - YYZ

FCAYYZ

Kalispell Glacier Park

Fri 5/9

10:47 a.m.-11:58 p.m.

2 stops11h 11m

Toronto Pearson Intl

Sat 6/9

10:05 a.m.-9:40 p.m.

2 stops13h 35m

C$ 1,189

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 12/8

3:00 p.m.-5:22 p.m.

2 stops24h 22m

C$ 399

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 12/8

4:40 p.m.-12:36 p.m.

1 stop17h 56m

C$ 444

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 16 results
1
2

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 31 July 2025.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Montana to Ontario 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

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
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

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
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

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
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

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
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

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?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 444. Users have also found prices from C$ 567 and C$ 667 on United Airlines and Delta, 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 C$ 167). Flying from Montana to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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