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$314+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$651
(Finnair)

One-way from

$314
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$731
Provider with most accurate pricing for Los Angeles-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Helsinki-Vantaa flights.
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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. 19% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Finnair deal was found by Cheapflights users on 1/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:58 pm
ONT
-
HEL
2 stops27h 57m
Multiple Airlines
Tue 2/2412:30 pm
HEL
-
ONT
1 stop16h 12m
Multiple Airlines
Deal found 1/15$651
This Flysmarter deal was found by Cheapflights users on 1/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/167:30 am
ONT
-
HEL
2 stops23h 55m
KLM
Tue 2/246:20 pm
HEL
-
ONT
2 stops31h 42m
KLM
Deal found 1/15$660
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:10 am
ONT
-
HEL
2 stops26h 40m
United Airlines
Tue 3/177:05 am
HEL
-
ONT
2 stops19h 36m
United Airlines
Deal found 1/12$675
This United Airlines deal was found by Cheapflights users on 1/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:37 pm
ONT
-
HEL
2 stops18h 58m
United Airlines
Fri 3/206:50 am
HEL
-
ONT
2 stops25h 07m
United Airlines
Deal found 1/12$676
This oojo deal was found by Cheapflights users on 1/13. 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.
Wed 2/257:00 am
ONT
-
HEL
2 stops22h 15m
British Airways
Thu 3/512:30 pm
HEL
-
ONT
1 stop16h 12m
British Airways
Deal found 1/13$686
This American Airlines deal was found by Cheapflights users on 1/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/810:58 am
ONT
-
HEL
1 stop13h 47m
American Airlines
Tue 2/2412:30 pm
HEL
-
ONT
1 stop16h 12m
American Airlines
Deal found 1/14$689
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Mon 5/41:28 pm
ONT
-
HEL
2 stops26h 07m
United Airlines
Tue 5/197:05 am
HEL
-
ONT
2 stops20h 42m
United Airlines
Deal found 1/13$705
This Finnair deal was found by Cheapflights users on 1/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:56 am
ONT
-
HEL
1 stop14h 49m
Multiple Airlines
Mon 4/612:35 pm
HEL
-
ONT
1 stop16h 07m
Multiple Airlines
Deal found 1/15$710
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 1/295:05 am
ONT
-
HEL
2 stops27h 45m
United Airlines
Tue 2/107:05 am
HEL
-
ONT
2 stops25h 48m
United Airlines
Deal found 1/13$724
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Wed 3/256:00 am
ONT
-
HEL
2 stops32h 35m
United Airlines
Mon 4/66:00 am
HEL
-
ONT
2 stops26h 45m
United Airlines
Deal found 1/15$726
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 12/26:53 pm
ONT
-
HEL
2 stops18h 42m
United Airlines
Sun 12/136:50 am
HEL
-
ONT
2 stops23h 30m
United Airlines
Deal found 1/14$727

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 January 15, 2026.
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

Mon 2/16

11:58 pm-1:55 pm

2 stops27h 57m

Helsinki-Vantaa

Tue 2/24

12:30 pm-6:42 pm

1 stop16h 12m

$651

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 2/16

7:30 am-5:25 pm

2 stops23h 55m

Helsinki-Vantaa

Tue 2/24

6:20 pm-4:02 pm

2 stops31h 42m

$660

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 3/3

6:10 am-6:50 pm

2 stops26h 40m

Helsinki-Vantaa

Thu 3/19

6:55 am-10:57 pm

2 stops25h 02m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 3/2

6:10 am-6:50 pm

2 stops26h 40m

Helsinki-Vantaa

Thu 3/19

6:55 am-5:41 pm

2 stops19h 46m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 3/2

6:10 am-6:50 pm

2 stops26h 40m

Helsinki-Vantaa

Wed 3/18

6:55 am-10:57 pm

2 stops25h 02m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 3/3

6:10 am-6:50 pm

2 stops26h 40m

Helsinki-Vantaa

Tue 3/17

7:05 am-10:57 pm

2 stops24h 52m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 3/25

6:37 pm-11:35 pm

2 stops19h 58m

Helsinki-Vantaa

Tue 4/7

7:05 am-6:02 pm

2 stops20h 57m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 3/23

1:50 pm-6:50 pm

2 stops20h 00m

Helsinki-Vantaa

Wed 4/8

6:35 am-10:26 pm

2 stops25h 51m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/1

1:45 pm-6:50 pm

2 stops19h 05m

Helsinki-Vantaa

Thu 3/19

6:55 am-10:18 pm

2 stops24h 23m

$675

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 3/25

6:37 pm-11:35 pm

2 stops19h 58m

Helsinki-Vantaa

Wed 4/8

6:35 am-10:26 pm

2 stops25h 51m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 22 results
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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 $472). Flying from Ontario to Finland in June is currently the most expensive (average of $988). 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.

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 KLM and United Airlines fly from Ontario to Finland in about 23h 55m. The time it takes to get you to your destination can typically vary by up to 2h 45m. 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 $472). Flying from Ontario to Finland in June is currently the most expensive (average of $988). 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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See prices for flight routes from nearby airports that may be better suited for you.
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