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Cheap flights from Ontario to Helena from C$ 446

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HLN
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Helena

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Helena
Explore the most affordable flight options available from Ontario to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 February 2026.

Fri 6/34:45 p.m.
YYZ
-
HLN
1 stop25h 14m
Alaska Airlines
Fri 13/34:36 p.m.
HLN
-
YYZ
1 stop20h 59m
Alaska Airlines
Deal found 6/2C$ 446
Fri 27/24:45 p.m.
YYZ
-
HLN
1 stop25h 14m
Alaska Airlines
Tue 3/34:36 p.m.
HLN
-
YYZ
1 stop20h 59m
Alaska Airlines
Deal found 4/2C$ 544
Wed 15/44:55 p.m.
YYZ
-
HLN
1 stop26h 50m
Alaska Airlines
Sun 19/46:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Alaska Airlines
Deal found 6/2C$ 578
Thu 30/44:55 p.m.
YYZ
-
HLN
1 stop26h 50m
Alaska Airlines
Sun 3/56:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Alaska Airlines
Deal found 6/2C$ 766
Wed 15/411:00 a.m.
YYZ
-
HLN
2 stops12h 33m
United Airlines
Sun 19/46:15 a.m.
HLN
-
YYZ
1 stop6h 59m
United Airlines
Deal found 6/2C$ 782
Fri 6/37:50 p.m.
YYZ
-
HLN
2 stops19h 48m
United Airlines
Fri 13/32:30 p.m.
HLN
-
YYZ
1 stop6h 11m
United Airlines
Deal found 6/2C$ 800
Fri 27/26:40 p.m.
YYZ
-
HLN
2 stops21h 00m
United Airlines
Tue 3/36:15 a.m.
HLN
-
YYZ
2 stops15h 44m
United Airlines
Deal found 6/2C$ 848

Find flight deals from Ontario to Helena

Keep the following information in mind while searching for Ontario to Helena flight deals. Data was last updated 7 February 2026.

Round-trip from

C$ 446
Alaska Airlines
  • Alaska Airlines
  • 6/3-13/3
  • 2 total stops
  • 46h 13m total
  • Ontario to Helena
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Helena 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 7 February 2026.
Use the filters below to find and compare flights from Ontario to Helena that are best for you.

Fly from

Ontario

Fly to

Helena

Route

Depart

Return

Price

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 6/3

4:45 p.m.-3:59 p.m.

1 stop25h 14m

Helena

Fri 13/3

4:36 p.m.-3:35 p.m.

1 stop20h 59m

C$ 446

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 27/2

4:45 p.m.-3:59 p.m.

1 stop25h 14m

Helena

Tue 3/3

4:36 p.m.-3:35 p.m.

1 stop20h 59m

C$ 544

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Thu 30/4

4:55 p.m.-5:45 p.m.

1 stop26h 50m

Helena

Sun 3/5

6:22 p.m.-3:45 p.m.

1 stop19h 23m

C$ 766

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 15/4

11:00 a.m.-9:33 p.m.

2 stops12h 33m

Helena

Sun 19/4

6:15 a.m.-3:14 p.m.

1 stop6h 59m

C$ 782

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 6/3

7:50 p.m.-1:38 p.m.

2 stops19h 48m

Helena

Fri 13/3

2:30 p.m.-10:41 p.m.

1 stop6h 11m

C$ 800

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Thu 21/5

5:45 p.m.-10:33 p.m.

1 stop6h 48m

Helena

Mon 25/5

5:45 a.m.-4:33 p.m.

1 stop8h 48m

C$ 823

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 20/5

5:45 p.m.-10:33 p.m.

1 stop6h 48m

Helena

Mon 25/5

5:45 a.m.-4:33 p.m.

1 stop8h 48m

C$ 823

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 27/2

6:40 p.m.-1:40 p.m.

2 stops21h 00m

Helena

Tue 3/3

6:15 a.m.-11:59 p.m.

2 stops15h 44m

C$ 848

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 22/3

4:10 p.m.-9:25 p.m.

1 stop7h 15m

C$ 474

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sun 22/3

6:10 a.m.-10:30 p.m.

2 stops18h 20m

C$ 483

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 11 results
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Best time to book a flight from Ontario to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena 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 Helena
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helena from Ontario?

    Located just 4.3 km from the city centre, Helena (HLN) is the airport most travelers will use when flying to Helena from Ontario.

  • How long is the flight from Region of Ontario to Helena?

    Departing from Region of Ontario to Helena will take you 12h 33m. Region of Ontario and Helena are separated by a distance of 2540 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Helena that include hotel bookings?

    Yes. In addition to deals on Ontario to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Helena.

  • Can I find deals for business class flights from Ontario to Helena?

    Yes. Cheapflights offers flight deals from Ontario to Helena 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

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Helena?

Cheapflights helps you find that perfect flight to Helena from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Helena with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Helena flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Helena become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Helena from Ontario today and book when prices fit your budget.

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