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$326+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$736
(oojo)

One-way from

$251
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$668
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 ($203 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 enero 8, 2026.

This oojo deal was found by Cheapflights users on 1/8. 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.
lun. 9/71:00 pmONT - HEL
2 stops22h 00mBritish Airways
mié. 9/2312:35 pmHEL - ONT
1 stop15h 04mBritish Airways
Deal found 1/8$710
This oojo deal was found by Cheapflights users on 1/8. 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.
lun. 9/74:54 pmONT - HEL
2 stops18h 06mBritish Airways
lun. 9/217:30 pmHEL - ONT
2 stops34h 25mBritish Airways
Deal found 1/8$727
This oojo deal was found by Cheapflights users on 1/7. 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.
dom. 3/225:02 pmONT - HEL
2 stops20h 58mBritish Airways
dom. 4/1212:35 pmHEL - ONT
1 stop20h 00mBritish Airways
Deal found 1/7$736
This United Airlines deal was found by Cheapflights users on 1/7. 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. 2/191:45 pmONT - HEL
2 stops19h 05mUnited Airlines
lun. 2/2312:45 pmHEL - ONT
2 stops38h 56mUnited Airlines
Deal found 1/7$737
This oojo deal was found by Cheapflights users on 1/7. 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.
jue. 11/54:47 pmONT - HEL
2 stops20h 18mBritish Airways
mié. 11/1112:30 pmHEL - ONT
1 stop19h 53mBritish Airways
Deal found 1/7$741
This United Airlines deal was found by Cheapflights users on 1/7. 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. 3/231:50 pmONT - HEL
2 stops17h 50mUnited Airlines
dom. 4/126:00 amHEL - ONT
2 stops24h 36mUnited Airlines
Deal found 1/7$777
This United Airlines deal was found by Cheapflights users on 1/7. 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. 3/261:50 pmONT - HEL
2 stops26h 30mUnited Airlines
dom. 4/126:45 amHEL - ONT
2 stops25h 41mUnited Airlines
Deal found 1/7$787
This United Airlines deal was found by Cheapflights users on 1/6. 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. 1/75:05 amONT - HEL
2 stops25h 25mUnited Airlines
mié. 1/1412:45 pmHEL - ONT
2 stops38h 58mUnited Airlines
Deal found 1/6$843
This American Airlines deal was found by Cheapflights users on 1/7. 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.
dom. 2/110:58 amONT - HEL
1 stop13h 47mAmerican Airlines
mar. 2/1712:30 pmHEL - ONT
1 stop16h 12mAmerican Airlines
Deal found 1/7$853
This Icelandair deal was found by Cheapflights users on 1/7. 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.
mié. 4/1510:33 amONT - HEL
2 stops17h 27mMultiple Airlines
mié. 4/293:00 pmHEL - ONT
2 stops18h 48mMultiple Airlines
Deal found 1/7$854
This British Airways deal was found by Cheapflights users on 1/6. 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.
jue. 2/192:39 pmONT - HEL
2 stops20h 31mBritish Airways
lun. 2/2312:30 pmHEL - ONT
1 stop16h 12mBritish Airways
Deal found 1/6$858

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 enero 8, 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

mar. 3/24

10:56 am-3:15 pm

2 stops19h 19m

Helsinki-Vantaa

dom. 4/12

12:35 pm-11:46 pm

1 stop21h 11m

$736

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 2/19

1:45 pm-6:50 pm

2 stops19h 05m

Helsinki-Vantaa

lun. 2/23

12:45 pm-5:41 pm

2 stops38h 56m

$737

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 3/25

1:50 pm-4:30 pm

2 stops17h 40m

Helsinki-Vantaa

dom. 4/12

6:00 am-8:36 pm

2 stops24h 36m

$777

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

dom. 2/1

7:16 am-10:45 am

1 stop17h 29m

Helsinki-Vantaa

mar. 2/17

12:30 pm-6:42 pm

1 stop16h 12m

$853

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 4/15

10:33 am-2:00 pm

2 stops17h 27m

Helsinki-Vantaa

mié. 4/29

3:00 pm-11:48 pm

2 stops18h 48m

$854

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 2/19

2:39 pm-9:10 pm

2 stops20h 31m

Helsinki-Vantaa

lun. 2/23

12:30 pm-6:42 pm

1 stop16h 12m

$858

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

lun. 1/19

5:05 am-6:50 pm

2 stops27h 45m

Helsinki-Vantaa

lun. 1/26

12:45 pm-8:58 pm

2 stops42h 13m

$887

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

dom. 3/22

6:00 am-6:50 pm

2 stops27h 50m

Helsinki-Vantaa

dom. 4/12

6:45 am-10:26 pm

2 stops25h 41m

$925

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 4/1

7:00 am-10:45 pm

2 stops29h 45m

Helsinki-Vantaa

dom. 4/12

12:35 pm-10:35 pm

1 stop20h 00m

$940

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

lun. 3/30

5:10 pm-10:45 am

1 stop31h 35m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 12 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 $981). 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 British Airways and United Airlines fly from Ontario to Finland in about 19h 05m. The time it takes to get you to your destination can typically vary by up to 1h 53m. 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 $981). 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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