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Cheap flights from Helena to Ontario from C$ 562

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — YYZ
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Helena to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Helena to Ontario
Explore the most affordable flight options available from Helena to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Sat 18/46:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Alaska Airlines
Sat 25/44:55 p.m.
YYZ
-
HLN
1 stop26h 50m
Alaska Airlines
Deal found 21/3C$ 562
Tue 5/56:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Alaska Airlines
Tue 12/54:55 p.m.
YYZ
-
HLN
1 stop25h 11m
Alaska Airlines
Deal found 21/3C$ 642
Tue 21/46:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Alaska Airlines
Sat 25/44:55 p.m.
YYZ
-
HLN
1 stop26h 50m
Alaska Airlines
Deal found 24/3C$ 750
Sat 18/46:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Multiple Airlines
Sat 25/410:15 p.m.
YYZ
-
HLN
2 stops21h 30m
Multiple Airlines
Deal found 21/3C$ 806
Tue 5/56:22 p.m.
HLN
-
YYZ
1 stop19h 23m
Multiple Airlines
Tue 12/51:30 p.m.
YYZ
-
HLN
2 stops28h 36m
Multiple Airlines
Deal found 21/3C$ 875
Wed 1/46:22 p.m.
HLN
-
YYZ
2 stops17h 58m
Multiple Airlines
Sat 25/44:55 p.m.
YYZ
-
HLN
1 stop26h 50m
Multiple Airlines
Deal found 21/3C$ 992

Find flight deals from Helena to Ontario

Keep the following information in mind while searching for Helena to Ontario flight deals. Data was last updated 25 March 2026.

Round-trip from

C$ 562
Alaska Airlines
  • Alaska Airlines
  • 18/4-25/4
  • 2 total stops
  • 46h 13m total
  • Helena to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Ontario 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 25 March 2026.
Use the filters below to find and compare flights from Helena to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaToronto

HLN - YYZ

HLNYYZ

Helena

Sat 18/4

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

1 stop19h 23m

Toronto Pearson Intl

Sat 25/4

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

1 stop26h 50m

C$ 562

HelenaToronto

HLN - YYZ

HLNYYZ

Helena

Tue 5/5

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

1 stop19h 23m

Toronto Pearson Intl

Tue 12/5

4:55 p.m.-4:06 p.m.

1 stop25h 11m

C$ 642

HelenaToronto

HLN - YYZ

HLNYYZ

Helena

Tue 21/4

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

1 stop19h 23m

Toronto Pearson Intl

Sat 25/4

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

1 stop26h 50m

C$ 750

HelenaToronto

HLN - YYZ

HLNYYZ

Helena

Tue 21/4

2:25 p.m.-8:09 a.m.

2 stops15h 44m

Toronto Pearson Intl

Sat 25/4

8:15 a.m.-9:33 p.m.

2 stops15h 18m

C$ 1,117
Quickest round-trip

HelenaToronto

HLN - YYZ

HLNYYZ

Helena

Wed 22/7

6:15 a.m.-7:00 p.m.

2 stops10h 45m

Toronto Pearson Intl

Wed 5/8

7:00 a.m.-1:33 p.m.

2 stops8h 33m

C$ 1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Sorted by cheapest first

Best time to book a flight from Helena to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Helena 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 Helena to Ontario
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 Helena to Ontario. 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 from for flights from Helena to Ontario?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Ontario. It is only a 4.3 km journey to Helena (HLN) from Helena’s city centre.

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

    A quick flight from Helena to Region of Ontario can take about 19h 23m. Alaska Airlines provides one of the quickest options available for as low as C$ 562. Helena and Region of Ontario are separated by a distance of 2540 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Ontario 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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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Helena to Ontario.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Helena to Ontario, users can toggle the no change fees filter when performing a flight search.

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

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

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