Find flights
When to book
FAQs

Cheap flights from Ontario to Helena from C$ 480

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HLN
15 Jun — 22 Jun1
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 16 May 2026.

Sat 24/101:00 p.m.
YYZ
-
HLN
2 stops10h 03m
United Airlines
Tue 27/107:00 a.m.
HLN
-
YYZ
2 stops10h 19m
United Airlines
Deal found 15/5C$ 877
Sat 24/105:50 p.m.
YYZ
-
HLN
1 stop6h 51m
Delta
Tue 27/105:45 a.m.
HLN
-
YYZ
1 stop8h 54m
Delta
Deal found 14/5C$ 878

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 16 May 2026.

Round-trip from

C$ 878

One-way from

C$ 480
Delta
  • Delta
  • 24/10-27/10
  • 2 total stops
  • 15h 45m total
  • Ontario to Helena
Search Deals
United Airlines
  • United Airlines
  • 29/6
  • 1 total stop
  • 12h 35m 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 16 May 2026.
Use the filters below to find and compare flights from Ontario to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sat 24/10

5:50 p.m.-10:41 p.m.

1 stop6h 51m

Helena

Tue 27/10

5:45 a.m.-4:39 p.m.

1 stop8h 54m

C$ 877

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sat 24/10

1:00 p.m.-9:03 p.m.

2 stops10h 03m

Helena

Tue 27/10

7:00 a.m.-7:19 p.m.

2 stops10h 19m

C$ 877
Cheapest one-way
Quickest one-way

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 29/6

10:45 a.m.-9:20 p.m.

1 stop12h 35m

C$ 480

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 29/6

6:15 a.m.-10:31 p.m.

2 stops18h 16m

C$ 488

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Mon 29/6

10:20 p.m.-4:32 p.m.

3 stops20h 12m

C$ 551

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/5

Sorted by cheapest first

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 6h 51m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Helena?

Cheapflights helps you search for flights from Ontario to Helena via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.