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$590+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$860
(United Airlines)

One-way from

$590
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$1,190
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. 20% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 1, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 9/47:00 amONT - HEL
2 stops19h 50mUnited Airlines
Mon 9/156:10 amHEL - ONT
2 stops24h 23mUnited Airlines
Deal found 6/30$860
This Icelandair deal was found by Cheapflights users on 6/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:39 amONT - HEL
2 stops16h 21mMultiple Airlines
Thu 9/43:00 pmHEL - ONT
2 stops18h 54mMultiple Airlines
Deal found 6/30$941
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:50 amONT - HEL
1 stop13h 55mAmerican Airlines
Tue 9/212:35 pmHEL - ONT
1 stop15h 49mAmerican Airlines
Deal found 6/30$963
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/612:59 amONT - HEL
1 stop23h 46mBritish Airways
Fri 7/1812:35 pmHEL - ONT
1 stop16h 18mBritish Airways
Deal found 6/30$9,294
This Iberia deal was found by Cheapflights users on 6/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/78:15 amONT - HEL
2 stops28h 30mIberia
Fri 7/1812:35 pmHEL - ONT
1 stop20h 22mIberia
Deal found 6/30$11,741

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 July 1, 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

Thu 9/4

7:00 am-12:50 pm

2 stops19h 50m

Helsinki-Vantaa

Mon 9/15

6:10 am-8:33 pm

2 stops24h 23m

$860

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 8/26

11:39 am-2:00 pm

2 stops16h 21m

Helsinki-Vantaa

Thu 9/4

3:00 pm-11:54 pm

2 stops18h 54m

$941

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 8/17

10:50 am-10:45 am

1 stop13h 55m

Helsinki-Vantaa

Tue 9/2

12:35 pm-6:24 pm

1 stop15h 49m

$963

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 8/14

1:34 pm-6:55 pm

2 stops19h 21m

$590

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 10/29

11:39 am-12:55 pm

2 stops16h 16m

$1,468

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sat 7/19

10:53 am-3:15 pm

2 stops18h 22m

$1,529

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sat 7/19

11:59 pm-10:45 am

1 stop24h 46m

$1,679

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $444). Flying from Ontario to Finland in June is currently the most expensive (average of $1,084). 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 July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Finland as you normally would.

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Finland. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and British Airways from Ontario to Finland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,858 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,858 reviews
United Airlines
7.4
Good
8,858 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,858 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
7,086 reviews
United Airlines
7.4
Good
8,858 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines to fly from Ontario to Finland one-way?

    One-way options have recently been found by users for as low as $590 on United Airlines. Other airlines that offer cheap prices include British Airways from $1,529 and American Airlines from $1,679 one-way.

  • 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 $444). Flying from Ontario to Finland in June is currently the most expensive (average of $1,084). 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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