HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$504+ Cheap flights from Ontario to Helena (HLN)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HLN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Helena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$504
(Alaska 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

Find flight deals from Ontario to Helena

Best flights from Ontario to Helena
Discover carefully curated flight deals from Ontario to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 2/254:45 pmYYZ - HLN
1 stop25h 14mAlaska Airlines
Fri 2/274:36 pmHLN - YYZ
1 stop20h 59mAlaska Airlines
Deal found 11/12$504
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 2/258:15 amYYZ - HLN
2 stops15h 01mUnited Airlines
Fri 2/272:25 pmHLN - YYZ
2 stops28h 56mUnited Airlines
Deal found 11/11$604

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 November 13, 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

Wed 2/25

4:45 pm-3:59 pm

1 stop25h 14m

Helena

Fri 2/27

4:36 pm-3:35 pm

1 stop20h 59m

$504

TorontoHelena

YYZ - HLN

YYZHLN

Toronto Pearson Intl

Wed 2/25

8:15 am-9:16 pm

2 stops15h 01m

Helena

Fri 2/27

2:25 pm-9:21 pm

2 stops28h 56m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 United Airlines can get you from Region of Ontario to Helena in just under 15h 01m. Your travel time can differ by up to 10h 13m. 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

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.

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.