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Cheap flights from Montana to Ontario from C$ 306

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — YYZ
5 Apr — 12 Apr1
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 March 2025.

Round-trip from

C$ 527

One-way from

C$ 306
Air Canada
  • Air Canada
  • 14/5-21/5
  • 4 total stops
  • 19h 13m total
  • Montana to Ontario
Search Deals
14/5
  • 14/5
  • 2 total stops
  • 12h 54m 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 March 2025.

Wed 14/57:00 a.m.BIL - YUL
2 stops8h 26mAir Canada
Wed 21/51:10 p.m.YUL - BIL
2 stops10h 47mAir Canada
Deal found 30/3C$ 527
Thu 3/410:21 a.m.BZN - YYZ
1 stop17h 34mMultiple Airlines
Sat 5/46:30 p.m.YYZ - BZN
1 stop17h 01mMultiple Airlines
Deal found 30/3C$ 604
Wed 14/51:58 p.m.BIL - YUL
1 stop22h 51mAmerican Airlines
Wed 21/53:44 p.m.YUL - BIL
1 stop8h 18mAmerican Airlines
Deal found 30/3C$ 747
Mon 14/46:00 a.m.BZN - YUL
2 stops13h 26mDelta
Tue 22/45:00 p.m.YUL - BZN
2 stops21h 38mDelta
Deal found 30/3C$ 802
Wed 14/57:00 a.m.BIL - YUL
2 stops8h 26mMultiple Airlines
Wed 21/510:00 a.m.YUL - BIL
3 stops37h 27mMultiple Airlines
Deal found 30/3C$ 810
Tue 29/411:24 a.m.BZN - YYZ
1 stop25h 36mAlaska Airlines
Tue 6/54:45 p.m.YYZ - BZN
1 stop19h 59mAlaska Airlines
Deal found 30/3C$ 932
Tue 29/41:51 p.m.BZN - YYZ
2 stops20h 04mAmerican Airlines
Tue 6/55:20 p.m.YYZ - BZN
1 stop21h 36mAmerican Airlines
Deal found 30/3C$ 978
Sun 13/41:51 p.m.BZN - YUL
2 stops31h 28mAmerican Airlines
Wed 23/412:30 p.m.YUL - BZN
2 stops26h 37mAmerican Airlines
Deal found 30/3C$ 1,008
Tue 13/57:45 a.m.BZN - YOW
1 stop7h 48mUnited Airlines
Sun 18/56:33 a.m.YOW - BZN
1 stop7h 04mUnited Airlines
Deal found 30/3C$ 1,086
Tue 23/98:15 a.m.FCA - YUL
1 stop7h 11mUnited Airlines
Sun 28/98:05 a.m.YUL - FCA
1 stop15h 25mUnited Airlines
Deal found 30/3C$ 1,093
Tue 23/97:15 a.m.FCA - YUL
2 stops13h 53mDelta
Sun 28/97:30 a.m.YUL - FCA
1 stop8h 20mDelta
Deal found 30/3C$ 1,106
Wed 30/711:25 a.m.BZN - YYZ
2 stops9h 27mDelta
Fri 8/812:15 p.m.YYZ - BZN
2 stops13h 42mDelta
Deal found 30/3C$ 1,108

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 March 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

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Wed 14/5

7:00 a.m.-5:26 p.m.

2 stops8h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

1:10 p.m.-9:57 p.m.

2 stops10h 47m

C$ 527

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Wed 14/5

1:58 p.m.-2:49 p.m.

1 stop22h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

3:44 p.m.-10:02 p.m.

1 stop8h 18m

C$ 747

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Mon 19/5

10:02 a.m.-9:08 p.m.

1 stop9h 06m

Toronto Pearson Intl

Sat 31/5

8:00 a.m.-6:38 p.m.

2 stops12h 38m

C$ 757

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Mon 14/4

6:00 a.m.-9:26 p.m.

2 stops13h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 22/4

5:00 p.m.-12:38 p.m.

2 stops21h 38m

C$ 802

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Wed 14/5

7:00 a.m.-5:26 p.m.

2 stops8h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

10:00 a.m.-9:27 p.m.

3 stops37h 27m

C$ 810

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 29/4

11:24 a.m.-3:00 p.m.

1 stop25h 36m

Toronto Pearson Intl

Tue 6/5

4:45 p.m.-10:44 a.m.

1 stop19h 59m

C$ 932

BozemanToronto

BZN - YYZ

BZNYYZ

Bozeman Gallatin Field

Tue 29/4

1:51 p.m.-11:55 a.m.

2 stops20h 04m

Toronto Pearson Intl

Tue 6/5

7:15 p.m.-12:56 p.m.

2 stops19h 41m

C$ 978

BozemanMontreal

BZN - YUL

BZNYUL

Bozeman Gallatin Field

Sun 13/4

1:51 p.m.-11:19 p.m.

2 stops31h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

12:30 p.m.-1:07 p.m.

2 stops26h 37m

C$ 1,008

BozemanOttawa

BZN - YOW

BZNYOW

Bozeman Gallatin Field

Tue 13/5

7:45 a.m.-5:33 p.m.

1 stop7h 48m

Ottawa

Sun 18/5

6:33 a.m.-11:37 a.m.

1 stop7h 04m

C$ 1,086

KalispellMontreal

FCA - YUL

FCAYUL

Kalispell Glacier Park

Tue 23/9

8:15 a.m.-5:26 p.m.

1 stop7h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

8:05 a.m.-9:30 p.m.

1 stop15h 25m

C$ 1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

Showing 1-10 of 23 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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 March 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Montana to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Canada
7.0
Good
9,004 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Delta. According to our data, you can fly for as low as C$ 313. Users have also found prices from C$ 475 and C$ 518 on Alaska Airlines and United Airlines, 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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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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Fly with Cheapflights

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

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Need flexible booking options for your flight to Ontario from Montana? 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 Montana to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Montana to Ontario 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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