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Finland

$488+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 December 3, 2025.

This United Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 12/56:00 amONT - HEL
3 stops26h 50mUnited Airlines
Fri 12/126:55 amHEL - ONT
3 stops25h 54mUnited Airlines
Deal found 12/1$862
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/251:40 pmONT - HEL
2 stops19h 10mUnited Airlines
Fri 1/92:15 pmHEL - ONT
2 stops40h 43mUnited Airlines
Deal found 12/1$1,287
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/1811:59 pmONT - HEL
2 stops30h 51mUnited Airlines
Tue 12/307:05 amHEL - ONT
2 stops24h 02mUnited Airlines
Deal found 12/3$1,486
This Expedia deal was found by Cheapflights users on 12/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:13 pmONT - HEL
2 stops37h 22mMultiple Airlines
Mon 12/87:00 pmHEL - ONT
2 stops50h 19mMultiple Airlines
Deal found 12/2$1,497
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/255:05 amONT - HEL
2 stops34h 15mUnited Airlines
Thu 1/81:55 pmHEL - ONT
2 stops37h 48mUnited Airlines
Deal found 12/1$1,606
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/154:47 pmONT - HEL
2 stops31h 58mAmerican Airlines
Wed 12/315:00 pmHEL - ONT
2 stops52h 53mAmerican Airlines
Deal found 12/3$1,638
This oojo deal was found by Cheapflights users on 12/1. 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.
Fri 12/57:00 amONT - HEL
2 stops22h 15mBritish Airways
Fri 12/127:50 amHEL - ONT
2 stops24h 38mBritish Airways
Deal found 12/1$1,641
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Tue 12/234:44 pmONT - HEL
2 stops56h 01mAmerican Airlines
Wed 12/315:00 pmHEL - ONT
2 stops38h 52mAmerican Airlines
Deal found 12/3$1,672
This United Airlines deal was found by Cheapflights users on 11/30. 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 12/225:05 amONT - HEL
2 stops25h 35mUnited Airlines
Sat 12/276:55 amHEL - ONT
2 stops25h 46mUnited Airlines
Deal found 11/30$2,232
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/206:04 amONT - HEL
2 stops24h 26mUnited Airlines
Wed 12/3112:45 pmHEL - ONT
2 stops43h 07mUnited Airlines
Deal found 12/3$2,395
This British Airways deal was found by Cheapflights users on 12/3. 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.
Tue 12/232:42 pmONT - HEL
2 stops38h 33mBritish Airways
Sun 12/284:00 pmHEL - ONT
2 stops36h 16mBritish Airways
Deal found 12/3$2,486
This oojo deal was found by Cheapflights users on 12/2. 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.
Sat 12/64:47 pmONT - HEL
2 stops20h 13mBritish Airways
Sat 12/134:00 pmHEL - ONT
2 stops36h 18mBritish Airways
Deal found 12/2$2,514

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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$604
(American Airlines)

One-way from

$488
(Delta)

Popular in

June

Cheapest in

February

Average price

$998
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 ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 3, 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

Sun 1/25

10:58 am-10:45 am

1 stop13h 47m

Helsinki-Vantaa

Tue 2/10

12:30 pm-6:45 pm

1 stop16h 15m

$604

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 3/17

1:50 pm-6:50 pm

2 stops20h 00m

Helsinki-Vantaa

Tue 3/24

7:05 am-10:25 pm

2 stops24h 20m

$626

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 2/26

6:00 am-4:25 pm

2 stops24h 25m

Helsinki-Vantaa

Mon 3/2

2:05 pm-11:49 pm

2 stops43h 44m

$676

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/21

12:41 pm-1:10 pm

2 stops38h 29m

Helsinki-Vantaa

Sun 1/25

2:05 pm-4:15 pm

2 stops36h 10m

$682

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/7

1:53 pm-6:50 pm

2 stops42h 57m

Helsinki-Vantaa

Mon 1/12

12:45 pm-5:51 pm

2 stops39h 06m

$695

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 5/5

11:01 am-3:15 pm

2 stops18h 14m

Helsinki-Vantaa

Wed 5/13

12:35 pm-11:40 pm

1 stop21h 05m

$741

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/21

8:00 am-1:20 pm

2 stops43h 20m

Helsinki-Vantaa

Sun 1/25

12:45 pm-10:53 pm

2 stops20h 08m

$782

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/22

5:02 pm-9:10 pm

2 stops19h 08m

Helsinki-Vantaa

Fri 3/27

12:30 pm-10:30 pm

1 stop19h 00m

$811

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/21

7:16 am-3:15 pm

2 stops21h 59m

Helsinki-Vantaa

Sun 1/25

12:30 pm-6:45 pm

1 stop16h 15m

$898

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 2/26

10:59 am-10:45 am

1 stop13h 46m

Helsinki-Vantaa

Mon 3/2

12:30 pm-6:39 pm

1 stop16h 09m

$913

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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, 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 December 3, 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 Delta 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 10h 38m. 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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