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Finland

$292+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
1 adult, Economy
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Cheap 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 26, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/257:30 am
ONT
-
HEL
2 stops22h 55m
Delta
jue. 3/127:00 am
HEL
-
ONT
2 stops19h 12m
Delta
Deal found 1/26$776
This United Airlines deal was found by Cheapflights users on 1/25. 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. 3/116:15 am
ONT
-
HEL
2 stops32h 20m
United Airlines
mié. 3/186:55 am
HEL
-
ONT
2 stops24h 41m
United Airlines
Deal found 1/25$777
This United Airlines deal was found by Cheapflights users on 1/25. 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.
sáb. 3/711:59 pm
ONT
-
HEL
2 stops27h 11m
United Airlines
dom. 3/156:50 am
HEL
-
ONT
2 stops25h 07m
United Airlines
Deal found 1/25$841
This United Airlines deal was found by Cheapflights users on 1/25. 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 pm
ONT
-
HEL
2 stops19h 05m
United Airlines
lun. 2/2312:45 pm
HEL
-
ONT
2 stops38h 56m
United Airlines
Deal found 1/25$899
This Finnair deal was found by Cheapflights users on 1/25. 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.
dom. 2/1510:56 am
ONT
-
HEL
1 stop13h 49m
Multiple Airlines
mar. 3/312:30 pm
HEL
-
ONT
1 stop16h 12m
Multiple Airlines
Deal found 1/25$917
This Finnair deal was found by Cheapflights users on 1/25. 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. 3/117:00 am
ONT
-
HEL
1 stop18h 45m
Multiple Airlines
mié. 3/184:50 pm
HEL
-
ONT
2 stops29h 58m
Multiple Airlines
Deal found 1/25$918
This United Airlines deal was found by Cheapflights users on 1/26. 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.
mar. 2/241:45 pm
ONT
-
HEL
2 stops25h 35m
United Airlines
mar. 3/37:05 am
HEL
-
ONT
2 stops20h 36m
United Airlines
Deal found 1/26$989
This United Airlines deal was found by Cheapflights users on 1/26. 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. 2/25:05 am
ONT
-
HEL
2 stops27h 45m
United Airlines
jue. 4/161:50 pm
HEL
-
ONT
2 stops42h 36m
United Airlines
Deal found 1/26$997
This oojo deal was found by Cheapflights users on 1/25. 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. 3/52:39 pm
ONT
-
HEL
2 stops20h 31m
British Airways
mar. 3/1012:30 pm
HEL
-
ONT
1 stop19h 19m
British Airways
Deal found 1/25$1,000
This United Airlines deal was found by Cheapflights users on 1/24. 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.
mar. 4/146:05 am
ONT
-
HEL
2 stops21h 05m
United Airlines
mar. 6/306:00 am
HEL
-
ONT
2 stops21h 18m
United Airlines
Deal found 1/24$1,007
This United Airlines deal was found by Cheapflights users on 1/26. 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. 2/125:00 am
ONT
-
HEL
2 stops25h 30m
United Airlines
lun. 2/161:55 pm
HEL
-
ONT
2 stops19h 02m
United Airlines
Deal found 1/26$1,019

Find 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$776
(Delta)

One-way from

$292
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$731
Provider with most accurate pricing for Los Angeles-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Helsinki-Vantaa flights.
Search Deals
From Ontario to Finland
Search Deals
One-way flight from Ontario to Finland
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 26, 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

mié. 2/25

7:30 am-4:25 pm

2 stops22h 55m

Helsinki-Vantaa

jue. 3/12

7:00 am-5:12 pm

2 stops19h 12m

$776

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 3/11

6:15 am-11:35 pm

2 stops32h 20m

Helsinki-Vantaa

mié. 3/18

6:55 am-10:36 pm

2 stops24h 41m

$777

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

sáb. 3/7

11:59 pm-1:10 pm

2 stops27h 11m

Helsinki-Vantaa

dom. 3/15

6:50 am-10:57 pm

2 stops25h 07m

$841

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

$899

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

dom. 2/15

10:56 am-10:45 am

1 stop13h 49m

Helsinki-Vantaa

mar. 3/3

12:30 pm-6:42 pm

1 stop16h 12m

$917

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mié. 3/11

7:00 am-10:45 am

1 stop18h 45m

Helsinki-Vantaa

mié. 3/18

4:50 pm-1:48 pm

2 stops29h 58m

$918

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 2/24

1:45 pm-1:20 am

2 stops25h 35m

Helsinki-Vantaa

mar. 3/3

7:05 am-5:41 pm

2 stops20h 36m

$989

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 3/5

2:39 pm-9:10 pm

2 stops20h 31m

Helsinki-Vantaa

mar. 3/10

12:30 pm-10:49 pm

1 stop19h 19m

$1,000

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

lun. 2/9

6:20 am-12:55 pm

2 stops20h 35m

$292

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 3/26

6:15 am-12:55 pm

2 stops21h 40m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 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 $991). 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 Delta and United Airlines fly from Ontario to Finland in about 22h 55m. The time it takes to get you to your destination can typically vary by up to 9h 25m. 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 $991). 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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