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$526+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
dic. 24 — dic. 311
mié. 12/24
mié. 12/31
1 adult, Economy
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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 noviembre 24, 2025.

This United Airlines deal was found by Cheapflights users on 11/22. 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. 12/31:34 pmONT - HEL
2 stops16h 56mUnited Airlines
mié. 12/106:55 amHEL - ONT
2 stops20h 42mUnited Airlines
Deal found 11/22$784
This United Airlines deal was found by Cheapflights users on 11/21. 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.
vie. 12/266:00 amONT - HEL
2 stops50h 50mUnited Airlines
vie. 1/96:55 amHEL - ONT
2 stops25h 03mUnited Airlines
Deal found 11/21$1,253
This United Airlines deal was found by Cheapflights users on 11/21. 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. 12/95:05 amONT - HEL
2 stops27h 45mUnited Airlines
vie. 12/196:55 amHEL - ONT
2 stops37h 04mUnited Airlines
Deal found 11/21$1,297
This Icelandair deal was found by Cheapflights users on 11/22. 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.
lun. 12/19:30 amONT - HEL
2 stops17h 25mMultiple Airlines
lun. 12/81:55 pmHEL - ONT
2 stops18h 10mMultiple Airlines
Deal found 11/22$1,617
This United Airlines deal was found by Cheapflights users on 11/23. 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 stops42h 22mUnited Airlines
Deal found 11/23$1,634
This Orbitz deal was found by Cheapflights users on 11/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2610:50 amONT - HEL
2 stops50h 00mIberia
vie. 1/912:30 pmHEL - ONT
1 stop20h 18mIberia
Deal found 11/21$1,822
This United Airlines deal was found by Cheapflights users on 11/22. 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. 12/165:05 amONT - HEL
2 stops25h 25mUnited Airlines
mié. 12/3112:45 pmHEL - ONT
2 stops19h 40mUnited Airlines
Deal found 11/22$1,892
This American Airlines deal was found by Cheapflights users on 11/21. 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.
vie. 12/2610:50 amONT - HEL
1 stop13h 55mAmerican Airlines
vie. 1/912:30 pmHEL - ONT
1 stop20h 18mAmerican Airlines
Deal found 11/21$1,955
This Icelandair deal was found by Cheapflights users on 11/22. 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. 12/1810:44 amONT - HEL
2 stops16h 11mMultiple Airlines
jue. 1/81:55 pmHEL - ONT
2 stops17h 50mMultiple Airlines
Deal found 11/22$2,251
This oojo deal was found by Cheapflights users on 11/22. 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.
mar. 12/1610:47 amONT - HEL
2 stops18h 28mBritish Airways
mié. 12/3112:30 pmHEL - ONT
1 stop15h 46mBritish Airways
Deal found 11/22$3,270
This Icelandair deal was found by Cheapflights users on 11/23. 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.
lun. 12/2910:44 amONT - HEL
2 stops16h 11mMultiple Airlines
sáb. 1/31:55 pmHEL - ONT
2 stops19h 00mMultiple Airlines
Deal found 11/23$3,318
This Icelandair deal was found by Cheapflights users on 11/23. 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. 12/1810:44 amONT - HEL
2 stops16h 11mMultiple Airlines
sáb. 1/31:55 pmHEL - ONT
2 stops19h 00mMultiple Airlines
Deal found 11/23$3,861

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 noviembre 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$751
(American Airlines)

One-way from

$526
(oojo)

Popular in

June

Cheapest in

February

Average price

$768
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. 16% potential increase in price ($175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 noviembre 24, 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

dom. 1/18

10:58 am-10:45 am

1 stop13h 47m

Helsinki-Vantaa

mar. 2/3

12:30 pm-6:45 pm

1 stop16h 15m

$751

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 3/5

1:50 pm-6:50 pm

2 stops19h 00m

Helsinki-Vantaa

jue. 3/12

6:55 am-10:57 pm

2 stops25h 02m

$823

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 1/8

6:00 am-6:50 pm

2 stops26h 50m

Helsinki-Vantaa

jue. 1/15

6:55 am-10:53 pm

2 stops25h 58m

$823

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 5/7

7:00 am-12:05 pm

2 stops19h 05m

Helsinki-Vantaa

jue. 5/14

7:05 am-10:26 pm

2 stops25h 21m

$823

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 3/31

1:34 pm-7:00 pm

2 stops19h 26m

Helsinki-Vantaa

mié. 9/30

7:05 am-5:47 pm

2 stops20h 42m

$829

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

mar. 3/31

6:46 am-12:15 pm

2 stops19h 29m

Helsinki-Vantaa

mié. 9/30

12:35 pm-5:39 pm

1 stop15h 04m

$841

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

jue. 2/26

6:00 am-4:25 pm

2 stops24h 25m

Helsinki-Vantaa

lun. 3/2

2:05 pm-11:53 pm

2 stops43h 48m

$884

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

lun. 2/16

6:00 am-4:40 pm

2 stops24h 40m

Helsinki-Vantaa

lun. 2/23

1:55 pm-10:00 pm

2 stops42h 05m

$1,004

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

vie. 1/9

6:00 am-4:50 pm

2 stops24h 50m

Helsinki-Vantaa

lun. 1/19

12:45 pm-8:58 pm

2 stops42h 13m

$1,048

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

sáb. 1/10

1:24 pm-1:20 am

2 stops49h 56m

Helsinki-Vantaa

lun. 1/19

12:45 pm-8:58 pm

2 stops42h 13m

$1,087

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 21 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, September is the cheapest month in which you can book a flight from Ontario to Finland (average of $478). Flying from Ontario to Finland 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 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 noviembre 24, 2025.

It’s typically best to fly out from Ontario to Finland in the evening. Doing so could potentially save you 74% on the flight price compared to flying in the morning, which is usually more expensive.

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, United Airlines, and British Airways fly from Ontario to Finland in about 13h 47m. The time it takes to get you to your destination can typically vary by up to 13h 03m. 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, September is the cheapest month in which you can book a flight from Ontario to Finland (average of $478). Flying from Ontario to Finland 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

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