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Finland

$505+ Cheap flights from Ontario (ONT) to Finland

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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Ontario to Finland

Keep the following information in mind while searching for Ontario to Finland flight deals. Data was last updated September 15, 2025.

Round-trip from

$665
(American Airlines)

One-way from

$505
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$806
From Ontario to Finland
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One-way flight from Ontario to Finland
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Highest demand for flights based on searches. 16% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Finland

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

This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:57 amONT - HEL
2 stops17h 58mAmerican Airlines
Thu 11/64:00 pmHEL - ONT
2 stops27h 01mAmerican Airlines
Deal found 9/15$665
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:05 amONT - HEL
2 stops26h 45mUnited Airlines
Sat 11/221:50 pmHEL - ONT
2 stops41h 59mUnited Airlines
Deal found 9/14$715
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 12/2711:59 pmONT - HEL
2 stops27h 11mUnited Airlines
Sun 1/116:55 amHEL - ONT
2 stops25h 58mUnited Airlines
Deal found 9/15$775
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/307:00 amONT - HEL
2 stops26h 50mUnited Airlines
Thu 11/66:55 amHEL - ONT
3 stops25h 56mUnited Airlines
Deal found 9/15$811
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 12/91:34 pmONT - HEL
2 stops19h 16mUnited Airlines
Tue 12/231:55 pmHEL - ONT
2 stops41h 12mUnited Airlines
Deal found 9/15$1,076
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:54 pmONT - HEL
1 stop33h 51mIberia
Mon 9/2212:35 pmHEL - ONT
1 stop16h 19mIberia
Deal found 9/14$1,190
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:00 amONT - HEL
2 stops32h 20mUnited Airlines
Sun 11/306:55 amHEL - ONT
2 stops28h 27mUnited Airlines
Deal found 9/14$1,195
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:15 pmONT - HEL
2 stops25h 10mUnited Airlines
Mon 9/221:35 pmHEL - ONT
2 stops41h 08mUnited Airlines
Deal found 9/14$1,992
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:20 pmONT - HEL
2 stops15h 40mMultiple Airlines
Wed 10/13:00 pmHEL - ONT
2 stops17h 05mMultiple Airlines
Deal found 9/15$4,563
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:44 amONT - HEL
2 stops16h 11mMultiple Airlines
Thu 1/11:55 pmHEL - ONT
2 stops18h 10mMultiple Airlines
Deal found 9/15$5,133
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:35 amONT - HEL
2 stops16h 25mMultiple Airlines
Wed 10/13:00 pmHEL - ONT
2 stops17h 05mMultiple Airlines
Deal found 9/15$5,714
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:39 amONT - HEL
2 stops16h 21mMultiple Airlines
Thu 10/23:00 pmHEL - ONT
2 stops18h 40mMultiple Airlines
Deal found 9/15$6,440

Cheapflights Fare Finder

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

Fly from

Ontario

Fly to

Finland

Route

Depart

Return

Price

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 10/30

10:57 am-10:45 am

1 stop14h 48m

Helsinki-Vantaa

Thu 11/6

4:00 pm-9:01 am

2 stops27h 01m

$665

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sat 3/7

1:00 pm-4:30 pm

2 stops17h 30m

Helsinki-Vantaa

Wed 3/25

6:55 am-8:17 pm

2 stops22h 22m

$701

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 11/16

6:05 am-6:50 pm

2 stops26h 45m

Helsinki-Vantaa

Sat 11/22

1:50 pm-9:49 pm

2 stops41h 59m

$715

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sat 12/27

11:59 pm-1:10 pm

2 stops27h 11m

Helsinki-Vantaa

Sun 1/11

6:55 am-10:53 pm

2 stops25h 58m

$775

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 10/30

7:00 am-6:50 pm

2 stops26h 50m

Helsinki-Vantaa

Thu 11/6

6:55 am-10:51 pm

3 stops25h 56m

$811

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 12/9

1:34 pm-6:50 pm

2 stops19h 16m

Helsinki-Vantaa

Tue 12/23

1:55 pm-9:07 pm

2 stops41h 12m

$1,076

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 11/23

7:00 am-1:20 am

2 stops32h 20m

Helsinki-Vantaa

Sun 11/30

6:55 am-1:22 am

2 stops28h 27m

$1,195

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/28

7:00 am-12:00 pm

2 stops43h 00m

Helsinki-Vantaa

Sat 1/31

1:50 pm-10:26 pm

2 stops42h 36m

$1,814

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sat 9/27

11:35 am-2:00 pm

2 stops16h 25m

Helsinki-Vantaa

Wed 10/1

3:00 pm-10:05 pm

2 stops17h 05m

$5,714

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 9/28

11:39 am-2:00 pm

2 stops16h 21m

Helsinki-Vantaa

Wed 10/1

3:00 pm-10:05 pm

2 stops17h 05m

$6,440

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from Ontario to Finland

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Finland (average of $444). Flying from Ontario to Finland in June is currently the most expensive (average of $1,082). 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 FI?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Finland as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Finland. 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 Ontario to Finland?

    For a flight from Ontario to Finland, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Finland?

    Airlines like American Airlines and United Airlines fly from Ontario to Finland in about 14h 48m. The time it takes to get you to your destination can typically vary by up to 2h 42m. There are 5575 mi between Ontario and Finland. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Finland 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 Finland?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Finland (average of $444). Flying from Ontario to Finland in June is currently the most expensive (average of $1,082). 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

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