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Helena

$322+ Cheap flights from Ontario to Helena (HLN)

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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HLN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Ontario to Helena

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 February 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:45 pm
YYZ
-
HLN
1 stop25h 14m
Alaska Airlines
Tue 3/34:36 pm
HLN
-
YYZ
1 stop20h 59m
Alaska Airlines
Deal found 2/9$464
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:11 pm
YYZ
-
HLN
2 stops20h 14m
Delta
Tue 3/31:10 pm
HLN
-
YYZ
2 stops20h 05m
Delta
Deal found 2/9$559
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:10 pm
YYZ
-
HLN
1 stop7h 06m
United Airlines
Tue 3/36:15 am
HLN
-
YYZ
2 stops15h 31m
United Airlines
Deal found 2/9$667

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 February 13, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$464
(Alaska Airlines)

One-way from

$322
(United Airlines)
Provider with most accurate pricing for Toronto (YTO)-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Helena flights.
Search Deals
From Ontario to Helena
Search Deals
One-way flight from 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 2,558,603 searches. Data last updated February 13, 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 2/27

4:45 pm-3:59 pm

1 stop25h 14m

Helena

Tue 3/3

4:36 pm-3:35 pm

1 stop20h 59m

$464

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 2/27

6:11 pm-12:25 pm

2 stops20h 14m

Helena

Tue 3/3

1:10 pm-11:15 am

2 stops20h 05m

$559

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Fri 2/27

4:10 pm-9:16 pm

1 stop7h 06m

Helena

Tue 3/3

6:15 am-11:46 pm

2 stops15h 31m

$667

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Sat 3/28

4:10 pm-9:25 pm

1 stop7h 15m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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?

    For a flight from Ontario to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city.

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

    Alaska Airlines and Delta can get you from Region of Ontario to Helena in just under 20h 14m. Your travel time can differ by up to 5h. Airlines will cover a distance of 1578 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with 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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