HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Finland

$450+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Finland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 11, 2026.

This Icelandair deal was found by Cheapflights users on 3/7. 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.
Wed 4/2210:39 am
ONT
-
HEL
2 stops17h 21m
Multiple Airlines
Tue 4/283:00 pm
HEL
-
ONT
2 stops17h 32m
Multiple Airlines
Deal found 3/7$886
This British Airways deal was found by Cheapflights users on 3/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:46 pm
ONT
-
HEL
2 stops22h 24m
British Airways
Fri 11/2712:30 pm
HEL
-
ONT
1 stop21h 27m
British Airways
Deal found 3/8$899
This Delta deal was found by Cheapflights users on 3/10. 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.
Tue 3/2412:57 pm
ONT
-
HEL
2 stops19h 28m
Delta
Tue 3/311:55 pm
HEL
-
ONT
2 stops36h 33m
Delta
Deal found 3/10$900
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 3/235:09 pm
ONT
-
HEL
2 stops39h 16m
Delta
Tue 3/311:55 pm
HEL
-
ONT
2 stops41h 05m
Delta
Deal found 3/10$906
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:47 am
ONT
-
HEL
1 stop14h 23m
American Airlines
Tue 11/1712:30 pm
HEL
-
ONT
1 stop15h 52m
American Airlines
Deal found 3/8$914
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/610:25 pm
ONT
-
HEL
2 stops28h 40m
KLM
Wed 4/227:00 am
HEL
-
ONT
2 stops26h 44m
KLM
Deal found 3/9$947
This Delta deal was found by Cheapflights users on 3/10. 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.
Wed 3/251:20 pm
ONT
-
HEL
2 stops19h 05m
Delta
Tue 3/311:55 pm
HEL
-
ONT
2 stops36h 33m
Delta
Deal found 3/10$950
This oojo deal was found by Cheapflights users on 3/9. 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.
Thu 9/1010:56 pm
ONT
-
HEL
2 stops26h 14m
Turkish Airlines
Sun 9/2012:05 pm
HEL
-
ONT
2 stops43h 24m
Turkish Airlines
Deal found 3/9$955
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Mon 5/47:05 am
ONT
-
HEL
2 stops20h 00m
Multiple Airlines
Wed 5/207:00 am
HEL
-
ONT
2 stops26h 34m
Multiple Airlines
Deal found 3/9$974
This oojo deal was found by Cheapflights users on 3/10. 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.
Wed 4/2910:59 am
ONT
-
HEL
2 stops18h 16m
British Airways
Mon 5/257:30 pm
HEL
-
ONT
2 stops34h 26m
British Airways
Deal found 3/10$980
This Finnair deal was found by Cheapflights users on 3/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:10 am
ONT
-
HEL
1 stop18h 20m
Multiple Airlines
Fri 11/2712:30 pm
HEL
-
ONT
1 stop21h 27m
Multiple Airlines
Deal found 3/8$982

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$886
(Icelandair)

One-way from

$450
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$670
Provider with most accurate pricing for Los Angeles Los Angeles-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles 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 ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 2026.
Use the filters below to find and compare flights from Ontario to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 4/22

10:39 am-2:00 pm

2 stops17h 21m

Helsinki-Vantaa

Tue 4/28

3:00 pm-10:32 pm

2 stops17h 32m

$886

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 5/26

1:35 pm-5:40 pm

2 stops18h 05m

Helsinki-Vantaa

Fri 6/5

7:00 am-5:08 pm

2 stops20h 08m

$974

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 3/23

5:09 pm-5:25 pm

2 stops39h 16m

Helsinki-Vantaa

Mon 3/30

1:55 pm-4:28 pm

2 stops36h 33m

$1,041

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 5/27

1:35 pm-5:40 pm

2 stops18h 05m

Helsinki-Vantaa

Sat 6/6

7:00 am-10:32 pm

2 stops25h 32m

$1,044

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 5/19

12:04 pm-1:10 pm

1 stop15h 06m

Helsinki-Vantaa

Tue 5/26

4:20 pm-11:58 pm

1 stop17h 38m

$1,112

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 4/6

7:00 am-10:45 pm

2 stops29h 45m

Helsinki-Vantaa

Wed 4/22

12:35 pm-10:36 pm

1 stop20h 01m

$1,186

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 4/1

7:00 am-10:45 pm

2 stops29h 45m

Helsinki-Vantaa

Tue 4/7

4:55 pm-11:46 pm

2 stops40h 51m

$1,286

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Fri 6/26

1:00 pm-5:40 pm

2 stops18h 40m

Helsinki-Vantaa

Fri 7/10

7:00 am-11:44 pm

2 stops26h 44m

$1,301
Quickest round-trip

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Fri 9/4

12:00 pm-1:10 pm

1 stop15h 10m

Helsinki-Vantaa

Sun 9/13

12:20 pm-5:39 pm

1 stop15h 19m

$1,362

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Fri 5/22

11:52 am-3:20 pm

2 stops17h 28m

Helsinki-Vantaa

Wed 5/27

7:00 am-10:34 pm

2 stops25h 34m

$1,391

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 $470). Flying from Ontario to Finland in June is currently the most expensive (average of $950). 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 fly from Ontario to Finland in about 18h 05m. The time it takes to get you to your destination can typically vary by up to . There are 5575 mi between Ontario and Finland.

  • 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 $470). Flying from Ontario to Finland in June is currently the most expensive (average of $950). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Finland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Madrid flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Stansted flights
Los Angeles to Gatwick flights
San Francisco to Istanbul flights
Los Angeles to London City flights
Los Angeles to Istanbul flights
Los Angeles to Dublin flights
San Francisco to Gatwick flights
San Francisco to Stansted flights
Los Angeles to Amsterdam flights
Los Angeles to Frankfurt flights
San Francisco to London City flights
San Francisco to Amsterdam flights
San Francisco to Dublin flights
San Francisco to Lisbon flights
San Francisco to Madrid flights
Los Angeles to Athens flights
San Diego to Heathrow flights
Ontario to Heathrow flights
San Francisco to Athens flights
San Francisco to Zurich flights
Los Angeles to Lisbon flights
San Francisco to Frankfurt flights
Los Angeles to Orly flights
Los Angeles to Zurich flights
Los Angeles to Copenhagen flights
Los Angeles to Luton flights
Los Angeles to Malpensa flights
Los Angeles to Frederic Chopin flights
San Francisco to Malpensa flights
Las Vegas to Heathrow flights
Ontario to Leonardo da Vinci/Fiumicino flights
San Francisco to Linate flights
San Francisco to Munich flights
Los Angeles to Munich flights
San Francisco to Copenhagen flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.