What is the cheapest airline that flies from Ontario to Helsinki-Vantaa?

British Airways and Delta are the most popular carriers operating from Ontario to Helsinki-Vantaa

What airlines fly to Helsinki?

Finnair, Scandinavian Airlines and American Airlines are the top three most popular airlines that fly to Helsinki from Ontario according to our data. Finnair is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 8 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Helsinki-Vantaa Airport?

Prices for flights from Ontario Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.

How old do you have to be to fly from Ontario Airport to Helsinki-Vantaa Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Helsinki-Vantaa Airport.

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$478 Cheap Flights from Ontario to Helsinki in 2026

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Find the cheapest flights from Ontario to Helsinki

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:39 am - 2:00 pm

ONT

HEL

17h 21m

2 stops

3:00 pm - 11:56 pm

HEL

ONT

18h 56m

2 stops

$950Multiple Airlines

Mon, May 11 - Wed, May 27

10:39 am - 11:10 am

ONT

HEL

38h 31m

2 stops

7:35 pm - 2:32 pm

HEL

ONT

52h 57m

2 stops

$979Multiple Airlines

Sun, May 3 - Sun, May 10

12:04 pm - 1:10 pm

ONT

HEL

15h 06m

1 stop

4:20 pm - 11:58 pm

HEL

ONT

17h 38m

1 stop

$986Multiple Airlines

Tue, May 19 - Tue, May 26

4:52 pm - 9:00 pm

ONT

HEL

18h 08m

2 stops

12:35 pm - 6:38 pm

HEL

ONT

16h 03m

1 stop

$998American Airlines

Sun, May 3 - Sun, May 10

7:30 am - 10:45 am

ONT

HEL

17h 15m

1 stop

12:35 pm - 6:38 pm

HEL

ONT

16h 03m

1 stop

$1,002American Airlines

Sun, May 3 - Sun, May 10

10:25 pm - 1:05 pm

ONT

HEL

52h 40m

2 stops

1:55 pm - 4:25 pm

HEL

ONT

36h 30m

2 stops

$1,057Delta

Sun, Apr 12 - Sun, Apr 19

6:45 am - 1:05 pm

ONT

HEL

20h 20m

2 stops

7:00 am - 10:34 pm

HEL

ONT

25h 34m

2 stops

$1,068KLM

Mon, May 11 - Wed, May 27

4:54 pm - 9:00 pm

ONT

HEL

18h 06m

2 stops

7:30 pm - 6:17 pm

HEL

ONT

32h 47m

2 stops

$1,080British Airways

Thu, Aug 27 - Mon, Sep 7

12:02 pm - 1:10 pm

ONT

HEL

15h 08m

1 stop

4:20 pm - 11:11 pm

HEL

ONT

16h 51m

1 stop

$1,093Multiple Airlines

Tue, Jul 14 - Tue, Aug 4

6:00 am - 1:05 pm

ONT

HEL

45h 05m

2 stops

1:55 pm - 9:00 pm

HEL

ONT

41h 05m

2 stops

$1,104Air France

Sun, Apr 19 - Sun, Apr 26

American Airlines flights from Ontario to Helsinki

Our best American Airlines deals on Ontario to Helsinki flight tickets

American Airlines

May 3

ONT4:52 pmOntario

18h 08m

2 stops

HEL9:00 pmHelsinki-Vantaa

May 10

HEL12:35 pmHelsinki-Vantaa

16h 03m

1 stop

ONT6:38 pmOntario

$998

American Airlines

May 3

ONT7:30 amOntario

17h 15m

1 stop

HEL10:45 amHelsinki-Vantaa

May 10

HEL12:35 pmHelsinki-Vantaa

16h 03m

1 stop

ONT6:38 pmOntario

$1,002

American Airlines

Apr 12

ONT6:00 amOntario

18h 45m

1 stop

HEL10:45 amHelsinki-Vantaa

Apr 19

HEL4:25 pmHelsinki-Vantaa

27h 44m

2 stops

ONT10:09 amOntario

$1,236

British Airways flights from Ontario to Helsinki

Our best British Airways deals on Ontario to Helsinki flight tickets

British Airways

Apr 20

ONT11:59 pmOntario

24h 46m

1 stop

HEL10:45 amHelsinki-Vantaa

Apr 29

HEL12:35 pmHelsinki-Vantaa

20h 01m

1 stop

ONT10:36 pmOntario

$1,004

British Airways

Apr 20

ONT11:59 pmOntario

24h 46m

1 stop

HEL10:45 amHelsinki-Vantaa

May 6

HEL12:35 pmHelsinki-Vantaa

16h 02m

1 stop

ONT6:37 pmOntario

$1,169

British Airways

Jul 14

ONT1:10 pmOntario

23h 50m

2 stops

HEL11:00 pmHelsinki-Vantaa

Aug 4

HEL8:00 amHelsinki-Vantaa

20h 19m

2 stops

ONT6:19 pmOntario

$1,174

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 5/11

10:39 am-2:00 pm

2 stops17h 21m

Helsinki-Vantaa

Wed 5/27

3:00 pm-11:56 pm

2 stops18h 56m

$950

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 5/3

10:39 am-11:10 am

2 stops38h 31m

Helsinki-Vantaa

Sun 5/10

7:35 pm-2:32 pm

2 stops52h 57m

$979

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

$986

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 5/3

4:52 pm-9:00 pm

2 stops18h 08m

Helsinki-Vantaa

Sun 5/10

12:35 pm-6:38 pm

1 stop16h 03m

$998

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 5/3

7:30 am-10:45 am

1 stop17h 15m

Helsinki-Vantaa

Sun 5/10

12:35 pm-6:38 pm

1 stop16h 03m

$1,002

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 4/12

10:25 pm-1:05 pm

2 stops52h 40m

Helsinki-Vantaa

Sun 4/19

1:55 pm-4:25 pm

2 stops36h 30m

$1,057

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 5/11

6:45 am-1:05 pm

2 stops20h 20m

Helsinki-Vantaa

Wed 5/27

7:00 am-10:34 pm

2 stops25h 34m

$1,068

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Thu 8/27

4:54 pm-9:00 pm

2 stops18h 06m

Helsinki-Vantaa

Mon 9/7

7:30 pm-6:17 pm

2 stops32h 47m

$1,080

Quickest round-trip

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 7/14

12:02 pm-1:10 pm

1 stop15h 08m

Helsinki-Vantaa

Tue 8/4

4:20 pm-11:11 pm

1 stop16h 51m

$1,093

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 4/19

6:00 am-1:05 pm

2 stops45h 05m

Helsinki-Vantaa

Sun 4/26

1:55 pm-9:00 pm

2 stops41h 05m

$1,104

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $705. This is often the case because there is less demand to fly during this day of the week. Flights from Ontario to Helsinki on a Friday will generally be more expensive and average around $997. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from Ontario to Helsinki in the evening for as low as $639. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $787 per ticket.

When to book flights from Ontario to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Helsinki (ONT to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Helsinki

Fastest flight time	15h 08m
Direct flights	None

The fastest flight from Ontario to Helsinki takes 15h 08m

There are no direct flights from Ontario to Helsinki. There are no popular flight routes from Ontario to Helsinki.

Search flight deals

How far is Ontario to Helsinki-Vantaa by plane?
The distance between Ontario and Helsinki-Vantaa is about 5584.4 mi. In terms of flight time, this usually takes a little over 15h 08m.
When did momondo last update prices for flights from Ontario Airport to Helsinki-Vantaa Airport?
Prices for flights from Ontario Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.
How old do you have to be to fly from Ontario Airport to Helsinki-Vantaa Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Helsinki?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Helsinki. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Helsinki with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Helsinki flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Helsinki?

Once all potential Ontario to Helsinki flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Helsinki right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Helsinki, momondo offers a useful price alert feature which will track prices for flights to Helsinki from Ontario and alert you when they change.