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Cheap flights from Ontario to Montana from C$ 283

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BZN
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 July 2026.

Tue 8/97:30 a.m.
YYZ
-
BIL
2 stops15h 30m
United Airlines
Tue 15/97:00 a.m.
BIL
-
YYZ
2 stops13h 23m
United Airlines
Deal found 25/7C$ 526
Tue 18/86:10 a.m.
YYZ
-
BIL
2 stops13h 34m
Delta
Sun 23/85:20 a.m.
BIL
-
YYZ
1 stop9h 20m
Delta
Deal found 22/7C$ 535
Sat 15/86:10 a.m.
YYZ
-
BIL
2 stops16h 02m
Delta
Wed 26/85:20 a.m.
BIL
-
YYZ
1 stop9h 20m
Delta
Deal found 21/7C$ 537
Thu 10/97:00 a.m.
YYZ
-
BZN
1 stop12h 54m
Multiple Airlines
Sun 13/99:42 p.m.
BZN
-
YYZ
1 stop17h 27m
Multiple Airlines
Deal found 22/7C$ 559
Sat 21/114:10 p.m.
YYZ
-
BIL
1 stop7h 04m
United Airlines
Tue 24/117:00 a.m.
BIL
-
YYZ
1 stop6h 02m
United Airlines
Deal found 25/7C$ 575
Sat 21/119:45 a.m.
YYZ
-
BIL
2 stops12h 03m
Delta
Tue 24/116:15 a.m.
BIL
-
YYZ
2 stops13h 43m
Delta
Deal found 23/7C$ 576
Sun 6/96:10 a.m.
YYZ
-
BIL
2 stops16h 02m
Delta
Sun 13/96:23 a.m.
BIL
-
YYZ
1 stop10h 11m
Delta
Deal found 23/7C$ 588
Sat 5/98:35 p.m.
YYZ
-
BZN
1 stop26h 17m
Multiple Airlines
Sun 13/99:42 p.m.
BZN
-
YYZ
1 stop17h 27m
Multiple Airlines
Deal found 23/7C$ 592
Wed 19/87:24 p.m.
YYZ
-
BIL
1 stop6h 06m
Delta
Wed 26/85:20 a.m.
BIL
-
YYZ
1 stop9h 20m
Delta
Deal found 21/7C$ 593
Mon 24/86:40 p.m.
YYZ
-
BIL
1 stop17h 01m
Air Canada
Sun 30/87:00 a.m.
BIL
-
YYZ
1 stop14h 17m
Air Canada
Deal found 25/7C$ 597
Sun 6/97:00 a.m.
YYZ
-
BZN
1 stop15h 52m
Multiple Airlines
Sun 13/99:42 p.m.
BZN
-
YYZ
1 stop17h 27m
Multiple Airlines
Deal found 24/7C$ 597
Wed 9/93:50 p.m.
YYZ
-
BZN
2 stops28h 04m
Multiple Airlines
Sun 13/99:42 p.m.
BZN
-
YYZ
1 stop17h 27m
Multiple Airlines
Deal found 24/7C$ 609

Find flight deals from Ontario to Montana

Keep the following information in mind while searching for Ontario to Montana flight deals. Data was last updated 26 July 2026.

Round-trip from

C$ 526

One-way from

C$ 290

Popular in

July

Cheapest in

March

Average price

C$ 985
United Airlines
  • United Airlines
  • 8/9-15/9
  • 4 total stops
  • 28h 53m total
  • Ontario to Montana
Search Deals
6/9
  • 6/9
  • 1 total stop
  • 15h 52m total
  • Ontario to Montana
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 26 July 2026.
Use the filters below to find and compare flights from Ontario to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Tue 18/8

6:10 a.m.-5:44 p.m.

2 stops13h 34m

Billings Logan Intl

Sun 23/8

5:20 a.m.-4:40 p.m.

1 stop9h 20m

C$ 535
Quickest round-trip

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sat 21/11

4:10 p.m.-9:14 p.m.

1 stop7h 04m

Billings Logan Intl

Tue 24/11

7:00 a.m.-3:02 p.m.

1 stop6h 02m

C$ 575

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sun 6/9

6:10 a.m.-8:12 p.m.

2 stops16h 02m

Billings Logan Intl

Sun 13/9

6:23 a.m.-6:34 p.m.

1 stop10h 11m

C$ 588

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 19/8

7:24 p.m.-11:30 p.m.

1 stop6h 06m

Billings Logan Intl

Wed 26/8

5:20 a.m.-4:40 p.m.

1 stop9h 20m

C$ 593

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sun 6/9

4:18 p.m.-9:00 p.m.

1 stop6h 42m

Billings Logan Intl

Sun 13/9

10:30 a.m.-11:16 p.m.

1 stop10h 46m

C$ 610

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Tue 8/9

4:18 p.m.-9:00 p.m.

1 stop6h 42m

Billings Logan Intl

Tue 15/9

7:00 a.m.-9:32 p.m.

1 stop12h 32m

C$ 619

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Tue 18/8

9:00 p.m.-9:41 a.m.

2 stops14h 41m

Billings Logan Intl

Sat 22/8

5:07 a.m.-11:59 p.m.

2 stops16h 52m

C$ 624

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Tue 18/8

7:55 a.m.-11:30 p.m.

2 stops17h 35m

Billings Logan Intl

Sat 22/8

5:20 a.m.-4:40 p.m.

1 stop9h 20m

C$ 624

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Sat 24/10

7:30 a.m.-4:21 p.m.

2 stops10h 51m

Kalispell Glacier Park

Wed 28/10

6:14 a.m.-9:24 p.m.

2 stops13h 10m

C$ 647

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Sat 24/10

6:30 a.m.-2:41 p.m.

1 stop10h 11m

Kalispell Glacier Park

Wed 28/10

5:30 a.m.-4:39 p.m.

1 stop9h 09m

C$ 647

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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 month to book a flight from Region of Ontario to Montana?

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Montana (average of C$ 600). Flying from Region of Ontario to Montana in February is currently the most expensive (average of C$ 999). 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.

How much does it cost to fly round-trip from Region of Ontario to Montana?

Airfare is below average for this route at the moment.
Region of Ontario to Montana flights typically cost between C$ 814 and C$ 1,341 in September.
The cheapest round-trip price found within the last 5 days was C$ 559 on Multiple Airlines (10 Sep-13 Sep).

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 26 July 2026.
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
10,042 reviews
Check prices

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,042 reviews
United Airlines
7.4
Good
10,042 reviews
Check prices

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 6h 42m. Fly via Delta, United Airlines, or Air Canada to get the fastest option. The distance from Region of Ontario to Montana is about 2282 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Montana (average of C$ 600). Flying from Region of Ontario to Montana in February is currently the most expensive (average of C$ 999). 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 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 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 684AverageC$ 915FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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