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Cheap flights from Ontario to Montana from C$ 234

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BZN
10 Apr — 17 Apr1
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 11 March 2026.

Wed 13/510:45 a.m.
YYZ
-
BIL
1 stop14h 00m
United Airlines
Sun 17/56:35 a.m.
BIL
-
YYZ
1 stop12h 57m
United Airlines
Deal found 7/3C$ 365
Wed 15/43:00 p.m.
YYZ
-
BIL
2 stops20h 40m
United Airlines
Sat 18/47:00 a.m.
BIL
-
YYZ
1 stop12h 32m
United Airlines
Deal found 6/3C$ 373
Wed 15/46:10 a.m.
YYZ
-
BIL
2 stops15h 56m
Delta
Sat 18/45:20 a.m.
BIL
-
YYZ
2 stops15h 50m
Delta
Deal found 9/3C$ 375
Tue 21/47:00 a.m.
YYZ
-
BZN
1 stop6h 31m
United Airlines
Tue 28/46:34 a.m.
BZN
-
YYZ
1 stop6h 40m
United Airlines
Deal found 8/3C$ 401
Thu 16/47:55 a.m.
YYZ
-
BZN
2 stops14h 16m
Delta
Wed 22/42:53 p.m.
BZN
-
YYZ
1 stop7h 06m
Delta
Deal found 7/3C$ 406
Sun 29/36:10 a.m.
YYZ
-
BZN
2 stops16h 04m
Delta
Tue 7/45:58 a.m.
BZN
-
YYZ
1 stop8h 01m
Delta
Deal found 7/3C$ 407
Thu 23/47:55 a.m.
YYZ
-
MSO
2 stops14h 07m
Delta
Thu 30/48:32 a.m.
MSO
-
YYZ
2 stops13h 27m
Delta
Deal found 9/3C$ 409
Sun 19/47:15 p.m.
YYZ
-
BZN
2 stops19h 38m
American Airlines
Sat 25/41:43 p.m.
BZN
-
YYZ
1 stop7h 12m
American Airlines
Deal found 8/3C$ 413
Fri 24/47:15 p.m.
YYZ
-
BZN
2 stops19h 38m
American Airlines
Thu 30/41:43 p.m.
BZN
-
YYZ
2 stops19h 10m
American Airlines
Deal found 6/3C$ 421
Fri 24/49:00 p.m.
YYZ
-
BZN
2 stops18h 34m
United Airlines
Mon 27/46:34 a.m.
BZN
-
YYZ
1 stop12h 58m
United Airlines
Deal found 11/3C$ 429
Sat 25/48:30 a.m.
YYZ
-
BZN
1 stop7h 04m
United Airlines
Sat 25/44:20 p.m.
BZN
-
YYZ
1 stop12h 40m
United Airlines
Deal found 8/3C$ 470
Wed 22/47:00 a.m.
YYZ
-
BZN
1 stop6h 31m
United Airlines
Wed 22/42:40 p.m.
BZN
-
YYZ
1 stop6h 38m
United Airlines
Deal found 7/3C$ 472

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 11 March 2026.

Round-trip from

C$ 365

One-way from

C$ 234

Popular in

September

Cheapest in

March

Average price

C$ 505
United Airlines
  • United Airlines
  • 13/5-17/5
  • 2 total stops
  • 26h 57m total
  • Ontario to Montana
Search Deals
United Airlines
  • United Airlines
  • 23/4
  • 1 total stop
  • 12h 12m total
  • Ontario to Montana
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 11 March 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

Wed 15/4

7:55 a.m.-8:06 p.m.

2 stops14h 11m

Billings Logan Intl

Sat 18/4

6:18 p.m.-11:26 a.m.

2 stops15h 08m

C$ 373

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 15/4

3:00 p.m.-9:40 a.m.

2 stops20h 40m

Billings Logan Intl

Sat 18/4

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

1 stop12h 32m

C$ 373

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Tue 21/4

4:11 p.m.-12:09 a.m.

2 stops9h 58m

Bozeman Gallatin Field

Tue 28/4

2:53 p.m.-11:59 p.m.

1 stop7h 06m

C$ 406
Quickest round-trip

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Sun 19/4

6:30 a.m.-12:34 p.m.

1 stop8h 04m

Bozeman Gallatin Field

Sat 25/4

2:53 p.m.-11:59 p.m.

1 stop7h 06m

C$ 409

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Sun 29/3

6:10 a.m.-8:14 p.m.

2 stops16h 04m

Bozeman Gallatin Field

Tue 7/4

5:58 a.m.-8:30 p.m.

2 stops12h 32m

C$ 409

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Fri 24/4

6:15 a.m.-1:36 p.m.

1 stop9h 21m

Bozeman Gallatin Field

Sun 26/4

2:53 p.m.-11:59 p.m.

1 stop7h 06m

C$ 409

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Fri 24/4

9:00 p.m.-1:34 p.m.

2 stops18h 34m

Bozeman Gallatin Field

Mon 27/4

6:34 a.m.-9:32 p.m.

1 stop12h 58m

C$ 429

TorontoBozeman

YYZ - BZN

YYZBZN

Toronto Pearson Intl

Fri 24/4

2:15 p.m.-9:47 a.m.

2 stops21h 32m

Bozeman Gallatin Field

Sun 26/4

6:34 a.m.-11:18 p.m.

1 stop14h 44m

C$ 482

TorontoKalispell

YYZ - FCA

YYZFCA

Toronto Pearson Intl

Fri 10/4

6:30 a.m.-1:28 p.m.

1 stop8h 58m

Kalispell Glacier Park

Sun 12/4

5:09 a.m.-11:06 p.m.

2 stops15h 57m

C$ 490

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 13/5

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

1 stop14h 00m

Billings Logan Intl

Sun 17/5

2:30 p.m.-10:47 a.m.

2 stops18h 17m

C$ 494

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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
No data available for this route at this time. Please check back soon.

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 11 March 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
9,414 reviews
Check prices

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

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
9,414 reviews
United Airlines
7.4
Good
9,414 reviews
Check prices

Overall

7.4

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

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 8h 52m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance from Region of Ontario to Montana is about 2699 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 402AverageC$ 782FlexibilityNo 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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