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Cheap flights from Ontario to Helena from C$ 748

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HLN
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Helena

Keep the following information in mind while searching for Ontario to Helena flight deals. Data was last updated 3 November 2025.

Round-trip from

C$ 748
Alaska Airlines
  • Alaska Airlines
  • 17/2-20/2
  • 2 total stops
  • 46h 23m total
  • Ontario to Helena
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Find flight deals from Ontario to Helena

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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 3 November 2025.

Thu 27/117:50 p.m.YYZ - HLN
2 stops19h 37mUnited Airlines
Sun 30/116:40 a.m.HLN - YYZ
1 stop14h 01mUnited Airlines
Deal found 3/11C$ 901

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 3 November 2025.
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

Tue 17/2

4:45 p.m.-3:43 p.m.

1 stop24h 58m

Helena

Fri 20/2

4:10 p.m.-3:35 p.m.

1 stop21h 25m

C$ 748

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Tue 17/2

8:55 a.m.-9:16 p.m.

2 stops14h 21m

Helena

Fri 20/2

6:15 a.m.-3:02 p.m.

1 stop6h 47m

C$ 870

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 25/2

4:10 p.m.-9:16 p.m.

1 stop7h 06m

Helena

Thu 26/2

6:15 a.m.-6:57 p.m.

2 stops10h 42m

C$ 870

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Thu 27/11

7:50 p.m.-1:27 p.m.

2 stops19h 37m

Helena

Sun 30/11

6:40 a.m.-10:41 p.m.

1 stop14h 01m

C$ 901

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

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 19h 50m. 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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Alternative routes for Ontario to Helena

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

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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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