What airlines fly to Helsinki?

Finnair, American Airlines and British Airways 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.

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

United Airlines is the most popular carrier operating from Ontario to Helsinki-Vantaa

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.

$502 Cheap Flights from Ontario to Helsinki in 2026/27

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.

7:06 pm - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

31h 54m3 stops San Francisco Denver Intl Reykjavik Keflavik Intl

2:00 pm - 10:17 pmHEL Helsinki-Vantaa-ONT Ontario

18h 17m2 stops Reykjavik Keflavik Intl Denver Intl

$753Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

6:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

21h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:43 pmHEL Helsinki-Vantaa-ONT Ontario

18h 43m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$953Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

6:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

21h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:43 pmHEL Helsinki-Vantaa-ONT Ontario

18h 43m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$953Multiple Airlines

Wed, Jan 20 - Tue, Jan 26

6:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

21h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:43 pmHEL Helsinki-Vantaa-ONT Ontario

18h 43m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$953Multiple Airlines

Tue, Jan 19 - Tue, Jan 26

6:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

21h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:43 pmHEL Helsinki-Vantaa-ONT Ontario

18h 43m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$954Multiple Airlines

Wed, Jan 27 - Wed, Feb 3

6:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

21h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:39 pmHEL Helsinki-Vantaa-ONT Ontario

18h 39m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$954Multiple Airlines

Wed, Feb 10 - Wed, Feb 17

6:00 am - 1:35 amONT Ontario-HEL Helsinki-Vantaa

33h 35m3 stops Denver Intl Reykjavik Keflavik Intl Kastrup Copenhagen

7:20 am - 10:17 pmHEL Helsinki-Vantaa-ONT Ontario

24h 57m3 stops Stockholm Arlanda Reykjavik Keflavik Intl Denver Intl

$957Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

6:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

21h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:41 pmHEL Helsinki-Vantaa-ONT Ontario

18h 41m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$957Multiple Airlines

Wed, Jan 13 - Tue, Jan 19

6:45 am - 1:35 amONT Ontario-HEL Helsinki-Vantaa

32h 50m3 stops Denver Intl Reykjavik Keflavik Intl Kastrup Copenhagen

6:15 am - 12:17 amHEL Helsinki-Vantaa-ONT Ontario

28h 02m3 stops Kastrup Copenhagen Reykjavik Keflavik Intl Denver Intl

$958Multiple Airlines

Wed, Nov 25 - Thu, Dec 3

7:00 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

20h 00m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:41 pmHEL Helsinki-Vantaa-ONT Ontario

18h 41m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$958Multiple Airlines

Wed, Jan 27 - Wed, Feb 3

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American Airlines flights from Ontario to Helsinki

Our best American Airlines deals on Ontario to Helsinki flight tickets

American Airlines

Dec 27

ONT10:34 amOntario

14h 11m

1 stop

HEL10:45 amHelsinki-Vantaa

Jan 12

HEL12:30 pmHelsinki-Vantaa

16h 21m

1 stop

ONT6:51 pmOntario

$987

American Airlines

Dec 27

ONT10:34 amOntario

14h 11m

1 stop

HEL10:45 amHelsinki-Vantaa

Jan 12

HEL12:30 pmHelsinki-Vantaa

16h 21m

1 stop

ONT6:51 pmOntario

$1,004

American Airlines

Nov 15

ONT10:30 amOntario

15h 10m

1 stop

HEL11:40 amHelsinki-Vantaa

Dec 1

HEL12:30 pmHelsinki-Vantaa

16h 22m

1 stop

ONT6:52 pmOntario

$1,033

United Airlines flights from Ontario to Helsinki

Our best United Airlines deals on Ontario to Helsinki flight tickets

United Airlines

Dec 3

ONT1:40 pmOntario

43h 05m

2 stops

HEL6:45 pmHelsinki-Vantaa

Dec 25

HEL12:35 pmHelsinki-Vantaa

20h 18m

2 stops

ONT10:53 pmOntario

$1,012

United Airlines

Dec 24

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Jan 9

HEL12:35 pmHelsinki-Vantaa

42h 25m

2 stops

ONT9:00 pmOntario

$1,016

United Airlines

Jan 22

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Feb 5

HEL12:35 pmHelsinki-Vantaa

40h 15m

2 stops

ONT6:50 pmOntario

$1,018

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 12/2

7:06 pm-1:00 pm

3 stops31h 54m

Helsinki-Vantaa

Wed 12/9

2:00 pm-10:17 pm

2 stops18h 17m

$753

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/20

6:00 am-1:00 pm

2 stops21h 00m

Helsinki-Vantaa

Wed 1/27

2:00 pm-10:43 pm

2 stops18h 43m

$953

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/20

6:00 am-1:00 pm

2 stops21h 00m

Helsinki-Vantaa

Tue 1/26

2:00 pm-10:43 pm

2 stops18h 43m

$953

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 1/19

6:00 am-1:00 pm

2 stops21h 00m

Helsinki-Vantaa

Tue 1/26

2:00 pm-10:43 pm

2 stops18h 43m

$953

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/27

6:00 am-1:00 pm

2 stops21h 00m

Helsinki-Vantaa

Wed 2/3

2:00 pm-10:43 pm

2 stops18h 43m

$954

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 2/10

6:00 am-1:00 pm

2 stops21h 00m

Helsinki-Vantaa

Wed 2/17

2:00 pm-10:39 pm

2 stops18h 39m

$954

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 12/2

6:00 am-1:35 am

3 stops33h 35m

Helsinki-Vantaa

Wed 12/9

7:20 am-10:17 pm

3 stops24h 57m

$957

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/13

6:00 am-1:00 pm

2 stops21h 00m

Helsinki-Vantaa

Tue 1/19

2:00 pm-10:41 pm

2 stops18h 41m

$957

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 11/25

6:45 am-1:35 am

3 stops32h 50m

Helsinki-Vantaa

Thu 12/3

6:15 am-12:17 am

3 stops28h 02m

$958

Quickest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/27

7:00 am-1:00 pm

2 stops20h 00m

Helsinki-Vantaa

Wed 2/3

2:00 pm-10:41 pm

2 stops18h 41m

$958

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 Sunday when prices can be found for as low as $971. 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 Saturday will generally be more expensive and average around $1,299. 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 $741. 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 $1,081 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

Best Price Found	$502
Fastest flight time	15h 50m
Direct flights	None

The best one-way flight to Helsinki from Ontario in the past 72 hours is $502. The best round-trip flight deal from Ontario to Helsinki found on momondo in the last 72 hours is $753.

The fastest flight from Ontario to Helsinki takes 15h 50m

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

Search flight deals

Frequently asked questions about flying from Ontario to Helsinki

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 50m.
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.