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$518+ Cheap flights from Ontario (ONT) to Helsinki (HEL)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheap flight deals from Ontario to Helsinki

Cheapest flights from Ontario to Helsinki
Explore the most affordable flight options available from Ontario to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
lun. 12/155:05 amONT - HEL
2 stops25h 35mUnited Airlines
sáb. 12/206:55 amHEL - ONT
2 stops25h 46mUnited Airlines
Deal found 12/13$1,177
This United Airlines deal was found by Cheapflights users on 12/13. 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.
mié. 12/245:05 amONT - HEL
2 stops25h 25mUnited Airlines
mié. 12/3112:45 pmHEL - ONT
2 stops43h 07mUnited Airlines
Deal found 12/13$1,868
This Ovago deal was found by Cheapflights users on 12/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:55 pmONT - HEL
2 stops37h 25mMultiple Airlines
dom. 1/411:20 amHEL - ONT
2 stops43h 38mMultiple Airlines
Deal found 12/13$2,446
This United Airlines deal was found by Cheapflights users on 12/15. 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.
jue. 12/185:05 amONT - HEL
2 stops25h 25mUnited Airlines
lun. 12/221:55 pmHEL - ONT
2 stops42h 30mUnited Airlines
Deal found 12/15$2,488
This British Airways deal was found by Cheapflights users on 12/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:55 pmONT - HEL
2 stops22h 15mBritish Airways
mié. 12/3112:30 pmHEL - ONT
1 stop15h 46mBritish Airways
Deal found 12/13$3,370
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:10 amONT - HEL
2 stops22h 05mBritish Airways
dom. 1/42:00 pmHEL - ONT
2 stops19h 46mBritish Airways
Deal found 12/13$3,424
This Finnair deal was found by Cheapflights users on 12/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2410:50 amONT - HEL
1 stop13h 55mMultiple Airlines
mié. 12/3112:30 pmHEL - ONT
1 stop15h 46mMultiple Airlines
Deal found 12/13$4,088
This Icelandair deal was found by Cheapflights users on 12/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2510:44 amONT - HEL
2 stops16h 11mMultiple Airlines
mié. 12/311:55 pmHEL - ONT
2 stops20h 19mMultiple Airlines
Deal found 12/14$4,391
This Iberia deal was found by Cheapflights users on 12/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/257:10 amONT - HEL
2 stops29h 40mIberia
mié. 12/3112:30 pmHEL - ONT
1 stop33h 23mIberia
Deal found 12/14$4,591
This Icelandair deal was found by Cheapflights users on 12/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:50 amONT - HEL
2 stops16h 05mMultiple Airlines
sáb. 12/201:55 pmHEL - ONT
2 stops19h 00mMultiple Airlines
Deal found 12/13$4,777
This American Airlines deal was found by Cheapflights users on 12/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2910:50 amONT - HEL
1 stop13h 55mAmerican Airlines
vie. 1/212:30 pmHEL - ONT
1 stop21h 16mAmerican Airlines
Deal found 12/13$5,377

Find flight deals from Ontario to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$753
(American Airlines)

One-way from

$518
(oojo)

Popular in

June

Cheapest in

January

Average price

$947
Provider with most accurate pricing for Ontario-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Helsinki-Vantaa flights.
Search Deals
From Ontario to Helsinki-Vantaa
Search Deals
One-way flight from Ontario to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Helsinki 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 diciembre 15, 2025.
Use the filters below to find and compare flights from Ontario to Helsinki that are best for you.

Fly from

Ontario

Fly to

Helsinki

Route

Depart

Return

Price

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

dom. 2/8

10:58 am-10:45 am

1 stop13h 47m

Helsinki-Vantaa

mar. 2/24

12:30 pm-6:39 pm

1 stop16h 09m

$753

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

dom. 2/1

10:58 am-10:45 am

1 stop13h 47m

Helsinki-Vantaa

mar. 2/17

12:30 pm-6:39 pm

1 stop16h 09m

$753

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 1/14

5:05 am-6:50 pm

2 stops27h 45m

Helsinki-Vantaa

mar. 1/27

7:05 am-5:43 pm

2 stops20h 38m

$776

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 1/14

6:00 am-6:50 pm

2 stops26h 50m

Helsinki-Vantaa

vie. 1/23

6:55 am-5:43 pm

2 stops20h 48m

$776

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

lun. 1/19

5:05 am-6:50 pm

2 stops27h 45m

Helsinki-Vantaa

mié. 1/28

12:45 pm-10:53 pm

2 stops20h 08m

$778

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 1/13

6:32 pm-6:50 pm

2 stops38h 18m

Helsinki-Vantaa

vie. 1/23

6:55 am-5:43 pm

2 stops20h 48m

$782

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 1/13

1:24 pm-6:50 pm

2 stops43h 26m

Helsinki-Vantaa

mar. 1/27

7:05 am-5:43 pm

2 stops20h 38m

$782

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 1/13

1:24 pm-6:50 pm

2 stops43h 26m

Helsinki-Vantaa

jue. 1/22

6:55 am-5:43 pm

2 stops20h 48m

$782

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 1/13

6:32 pm-6:50 pm

2 stops38h 18m

Helsinki-Vantaa

mié. 1/28

12:45 pm-10:53 pm

2 stops20h 08m

$783

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

dom. 3/22

5:02 pm-9:10 pm

2 stops19h 08m

Helsinki-Vantaa

vie. 3/27

12:30 pm-11:59 pm

1 stop20h 29m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 22 results
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Compare providers for flights from Ontario to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Helsinki in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Helsinki flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki 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 Helsinki

What is the cheapest month to book a flight from Ontario to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Ontario to Helsinki (average of $472). Flying from Ontario to Helsinki in June is currently the most expensive (average of $983). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to HEL?

Find hourly flight availability from Ontario to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 15, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 74% on flights from Ontario to Helsinki by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Helsinki?

    American Airlines and United Airlines can get you from Ontario to Helsinki in just under 13h 47m. Your travel time can differ by up to 13h 58m. The distance between Ontario and Helsinki is about 5575 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Helsinki (average of $472). Flying from Ontario to Helsinki in June is currently the most expensive (average of $983). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

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