HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Finland

$563+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HEL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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

Keep the following information in mind while searching for Ontario to Finland flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$709
(American Airlines)

One-way from

$563
(Delta)

Popular in

July

Cheapest in

November

Average price

$696
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. 20% potential increase in price ($233 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 February 2025
Search Deals

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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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 3/2310:57 amONT - HEL
1 stop14h 53mAmerican Airlines
Tue 4/812:35 pmHEL - ONT
1 stop15h 54mAmerican Airlines
Deal found 2/20$709
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/610:38 amONT - HEL
2 stops20h 12mUnited Airlines
Wed 4/306:10 amHEL - ONT
2 stops24h 11mUnited Airlines
Deal found 2/20$797
This Trip.com deal was found by Cheapflights users on 2/20. 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 3/2311:59 pmONT - HEL
1 stop25h 51mMultiple Airlines
Mon 3/3112:35 pmHEL - ONT
1 stop19h 52mMultiple Airlines
Deal found 2/20$942
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 6/12:00 pmONT - HEL
2 stops17h 40mDelta
Mon 6/166:40 amHEL - ONT
2 stops20h 42mDelta
Deal found 2/20$1,190
This Trip.com deal was found by Cheapflights users on 2/20. 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.
Fri 3/1411:59 pmONT - HEL
1 stop25h 51mBritish Airways
Fri 3/2112:25 pmHEL - ONT
1 stop15h 36mBritish Airways
Deal found 2/20$1,209
This Iberia deal was found by Cheapflights users on 2/20. 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 6/27:30 amONT - HEL
2 stops29h 15mIberia
Mon 6/1612:35 pmHEL - ONT
1 stop16h 24mIberia
Deal found 2/20$1,224

Find flights from Ontario to Finland within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Finland

Route

Depart

Return

Price

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/23

10:57 am-10:50 am

1 stop14h 53m

Helsinki-Vantaa

Tue 4/8

12:35 pm-6:29 pm

1 stop15h 54m

$709

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 3/6

10:38 am-4:50 pm

2 stops20h 12m

Helsinki-Vantaa

Wed 4/30

6:10 am-8:21 pm

2 stops24h 11m

$797

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/23

11:59 pm-10:50 am

1 stop25h 51m

Helsinki-Vantaa

Mon 3/31

12:35 pm-10:27 pm

1 stop19h 52m

$942

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 6/1

2:00 pm-5:40 pm

2 stops17h 40m

Helsinki-Vantaa

Mon 6/16

6:40 am-5:22 pm

2 stops20h 42m

$1,190

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Fri 3/14

11:59 pm-10:50 am

1 stop25h 51m

Helsinki-Vantaa

Fri 3/21

12:25 pm-7:01 pm

1 stop15h 36m

$1,209

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 6/2

7:30 am-10:45 pm

2 stops29h 15m

Helsinki-Vantaa

Mon 6/16

12:35 pm-6:59 pm

1 stop16h 24m

$1,224

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 3/25

11:42 am-5:25 pm

2 stops20h 43m

$563

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 3/26

6:00 am-11:25 pm

2 stops32h 25m

$568

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 3/27

12:59 am-11:25 pm

2 stops37h 26m

$612

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 3/25

6:00 am-10:50 am

1 stop19h 50m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results
1
2

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.

Travel insights for flights from Ontario to Finland

Get recent, data-driven insights about flights from Ontario to Finland including ideal travel times, pricing trends, and more.

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 $1,160). 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 February 20, 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.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Finland ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Finland when rainfall is around 1.2 in.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Finland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia
7.0
Good
2,639 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,763 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $563 on Delta. Other airlines that offer cheap prices include United Airlines from $568 and American Airlines from $648 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 $1,160). 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
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Madrid flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to London City flights
Los Angeles to Istanbul flights
Los Angeles to Barcelona-El Prat flights
San Francisco to Istanbul flights
Los Angeles to Orly flights
San Francisco to London City flights
San Francisco to Gatwick flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Gatwick flights
Los Angeles to Dublin flights
San Francisco to Orly flights
Los Angeles to Amsterdam flights
Los Angeles to Frankfurt flights
San Francisco to Lisbon flights
San Francisco to Dublin flights
San Francisco to Amsterdam flights
San Francisco to Madrid flights
Ontario to Heathrow flights
San Francisco to Frankfurt flights
San Diego to Heathrow flights
Los Angeles to Lisbon flights
Los Angeles to Athens flights
San Francisco to Zurich flights
Los Angeles to Malpensa flights
Los Angeles to Copenhagen flights
San Francisco to Malpensa flights
San Francisco to Athens flights
Los Angeles to Zurich flights
Ontario to Charles de Gaulle flights
San Francisco to Copenhagen flights
San Francisco to Linate flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Linate flights
Los Angeles to Palma de Mallorca flights
Las Vegas to Heathrow flights
Los Angeles to Frederic Chopin flights
Los Angeles to Sabiha Gokcen flights
Los Angeles to Luton flights
San Francisco to Munich flights
Los Angeles to Munich flights
San Jose to Charles de Gaulle flights
Burbank to Charles de Gaulle flights
Los Angeles to Vicenza 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.