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Cheap flights from Ontario to Montana from C$ 235

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BZN
29 May — 5 Jun1
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 29 April 2026.

Thu 25/65:45 p.m.
YYZ
-
BIL
1 stop7h 04m
Delta
Thu 2/76:24 a.m.
BIL
-
YYZ
1 stop10h 10m
Delta
Deal found 25/4C$ 385
Sat 29/85:50 p.m.
YYZ
-
BIL
1 stop6h 37m
Delta
Wed 2/96:15 a.m.
BIL
-
YYZ
1 stop10h 10m
Delta
Deal found 24/4C$ 395
Wed 16/99:45 a.m.
YYZ
-
BIL
2 stops11h 52m
Delta
Wed 23/96:15 a.m.
BIL
-
YYZ
2 stops15h 07m
Delta
Deal found 25/4C$ 437
Thu 17/912:30 p.m.
YYZ
-
BIL
2 stops11h 57m
Delta
Fri 25/96:15 a.m.
BIL
-
YYZ
1 stop10h 10m
Delta
Deal found 25/4C$ 509
Wed 16/99:45 a.m.
YYZ
-
BIL
2 stops11h 52m
Delta
Thu 24/96:15 a.m.
BIL
-
YYZ
2 stops12h 15m
Delta
Deal found 25/4C$ 550
Mon 8/67:24 p.m.
YYZ
-
FCA
1 stop6h 14m
Delta
Fri 12/66:55 a.m.
FCA
-
YYZ
2 stops14h 45m
Delta
Deal found 26/4C$ 589
Sat 31/1012:30 p.m.
YOW
-
BZN
2 stops10h 37m
United Airlines
Wed 4/113:40 p.m.
BZN
-
YOW
3 stops19h 46m
United Airlines
Deal found 24/4C$ 591
Thu 17/912:30 p.m.
YYZ
-
BIL
2 stops11h 57m
Delta
Wed 23/96:15 a.m.
BIL
-
YYZ
2 stops12h 15m
Delta
Deal found 25/4C$ 593
Tue 9/610:45 a.m.
YYZ
-
MSO
1 stop12h 49m
United Airlines
Wed 10/65:20 p.m.
MSO
-
YYZ
2 stops16h 29m
United Airlines
Deal found 28/4C$ 605
Thu 4/66:18 p.m.
YYZ
-
FCA
1 stop19h 16m
American Airlines
Sun 7/64:48 p.m.
FCA
-
YYZ
1 stop17h 47m
American Airlines
Deal found 26/4C$ 624
Tue 9/66:30 a.m.
YYZ
-
MSO
1 stop10h 09m
Delta
Wed 10/63:29 p.m.
MSO
-
YYZ
1 stop5h 45m
Delta
Deal found 28/4C$ 632
Thu 25/610:45 a.m.
YYZ
-
BIL
1 stop12h 32m
United Airlines
Thu 2/75:00 a.m.
BIL
-
YYZ
1 stop14h 32m
United Airlines
Deal found 26/4C$ 642

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 29 April 2026.

Round-trip from

C$ 385

One-way from

C$ 235

Popular in

September

Cheapest in

March

Average price

C$ 673
Delta
  • Delta
  • 25/6-2/7
  • 3 total stops
  • 22h 58m total
  • Ontario to Montana
Search Deals
Delta
  • Delta
  • 9/6
  • 2 total stops
  • 17h 04m total
  • Ontario to Montana
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 29 April 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

Thu 25/6

5:45 p.m.-10:49 p.m.

1 stop7h 04m

Billings Logan Intl

Thu 2/7

6:24 a.m.-6:34 p.m.

1 stop10h 10m

C$ 385

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sat 29/8

5:50 p.m.-10:27 p.m.

1 stop6h 37m

Billings Logan Intl

Wed 2/9

6:15 a.m.-11:22 p.m.

2 stops15h 07m

C$ 396

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 17/9

12:30 p.m.-10:27 p.m.

2 stops11h 57m

Billings Logan Intl

Fri 25/9

6:15 a.m.-6:25 p.m.

1 stop10h 10m

C$ 509

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 18/9

12:30 p.m.-7:37 p.m.

1 stop9h 07m

Billings Logan Intl

Thu 24/9

6:15 a.m.-8:30 p.m.

2 stops12h 15m

C$ 509

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Mon 8/6

7:24 p.m.-11:38 p.m.

1 stop6h 14m

Kalispell Glacier Park

Fri 12/6

6:55 a.m.-11:40 p.m.

2 stops14h 45m

C$ 589

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 30/8

6:00 a.m.-12:08 p.m.

1 stop8h 08m

Bozeman Gallatin Field

Sat 5/9

3:40 p.m.-9:56 a.m.

2 stops16h 16m

C$ 593

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Tue 9/6

10:45 a.m.-9:34 p.m.

1 stop12h 49m

Missoula Johnson-Bell Field

Wed 10/6

5:20 p.m.-11:49 a.m.

2 stops16h 29m

C$ 605

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 25/6

10:45 a.m.-9:17 p.m.

1 stop12h 32m

Billings Logan Intl

Thu 2/7

5:00 a.m.-9:32 p.m.

1 stop14h 32m

C$ 642

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Wed 16/9

12:30 p.m.-11:02 p.m.

2 stops12h 32m

Kalispell Glacier Park

Wed 23/9

5:25 a.m.-10:58 p.m.

2 stops15h 33m

C$ 664

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Wed 16/9

12:30 p.m.-11:02 p.m.

2 stops12h 32m

Kalispell Glacier Park

Thu 24/9

6:59 a.m.-6:25 p.m.

1 stop9h 26m

C$ 664

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

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, July is the cheapest month in which you can book a flight from Region of Ontario to Montana (average of C$ 254). Flying from Region of Ontario to Montana in September is currently the most expensive (average of C$ 912). 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.

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 29 April 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
9,680 reviews
Check prices

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,680 reviews
United Airlines
7.4
Good
9,680 reviews
Check prices

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 7h 04m. Fly via Delta, United Airlines, or American Airlines 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, July is the cheapest month in which you can book a flight from Region of Ontario to Montana (average of C$ 254). Flying from Region of Ontario to Montana in September is currently the most expensive (average of C$ 912). 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 405AverageC$ 682FlexibilityNo 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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