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

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

What airlines fly to Helsinki?

Finnair, British Airways and Scandinavian 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 55% 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.

$535 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.

10:30 am - 11:40 amONT Ontario-HEL Helsinki-Vantaa

15h 10m1 stop Dallas/Fort Worth

12:30 pm - 11:59 pmHEL Helsinki-Vantaa-ONT Ontario

21h 29m1 stop Dallas/Fort Worth

$713American Airlines

Mon, Nov 9 - Mon, Nov 23

10:30 am - 1:55 pmONT Ontario-HEL Helsinki-Vantaa

17h 25m2 stops Dallas/Fort Worth New York John F Kennedy Intl

12:30 pm - 11:59 pmHEL Helsinki-Vantaa-ONT Ontario

21h 29m1 stop Dallas/Fort Worth

$717American Airlines

Mon, Nov 9 - Mon, Nov 23

5:00 am - 6:45 pmONT Ontario-HEL Helsinki-Vantaa

27h 45m2 stops Denver Intl Munich Franz Josef Strauss

12:35 pm - 10:48 pmHEL Helsinki-Vantaa-ONT Ontario

20h 13m2 stops Munich Franz Josef Strauss San Francisco

$729United Airlines

Mon, Nov 9 - Mon, Nov 23

7:00 am - 4:40 pmONT Ontario-HEL Helsinki-Vantaa

23h 40m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:40 am - 10:14 pmHEL Helsinki-Vantaa-ONT Ontario

25h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$730Delta

Fri, Jan 15 - Fri, Jan 22

5:00 am - 6:45 pmONT Ontario-HEL Helsinki-Vantaa

27h 45m2 stops Denver Intl Munich Franz Josef Strauss

12:35 pm - 11:06 pmHEL Helsinki-Vantaa-ONT Ontario

20h 31m2 stops Munich Franz Josef Strauss San Francisco

$734United Airlines

Sun, Feb 7 - Sun, Feb 14

12:00 pm - 5:25 pmONT Ontario-HEL Helsinki-Vantaa

19h 25m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

6:40 am - 4:12 pmHEL Helsinki-Vantaa-ONT Ontario

19h 32m2 stops Amsterdam Schiphol Salt Lake City

$735Delta

Mon, Jan 18 - Sun, Jan 24

10:30 am - 11:40 amONT Ontario-HEL Helsinki-Vantaa

15h 10m1 stop Dallas/Fort Worth

12:30 pm - 6:52 pmHEL Helsinki-Vantaa-ONT Ontario

16h 22m1 stop Dallas/Fort Worth

$738Multiple Airlines

Sat, Nov 14 - Sun, Nov 22

5:00 am - 6:45 pmONT Ontario-HEL Helsinki-Vantaa

27h 45m2 stops Denver Intl Munich Franz Josef Strauss

12:35 pm - 10:48 pmHEL Helsinki-Vantaa-ONT Ontario

20h 13m2 stops Munich Franz Josef Strauss San Francisco

$839United Airlines

Tue, Nov 10 - Sun, Nov 15

2:22 pm - 11:00 pmONT Ontario-HEL Helsinki-Vantaa

22h 38m2 stops Dallas/Fort Worth London Heathrow

12:20 pm - 9:11 pmHEL Helsinki-Vantaa-ONT Ontario

18h 51m1 stop Dallas/Fort Worth

$888British Airways

Thu, Oct 1 - Thu, Oct 8

6:00 am - 6:45 pmONT Ontario-HEL Helsinki-Vantaa

26h 45m2 stops Houston George Bush Intcntl Munich Franz Josef Strauss

12:35 pm - 10:48 pmHEL Helsinki-Vantaa-ONT Ontario

20h 13m2 stops Munich Franz Josef Strauss San Francisco

$914United Airlines

Fri, Nov 13 - Fri, Nov 27

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American Airlines flights from Ontario to Helsinki

Our best American Airlines deals on Ontario to Helsinki flight tickets

American Airlines

Nov 9

ONT10:30 amOntario

15h 10m

1 stop

HEL11:40 amHelsinki-Vantaa

Nov 23

HEL12:30 pmHelsinki-Vantaa

21h 29m

1 stop

ONT11:59 pmOntario

$713

American Airlines

Nov 9

ONT10:30 amOntario

17h 25m

2 stops

HEL1:55 pmHelsinki-Vantaa

Nov 23

HEL12:30 pmHelsinki-Vantaa

21h 29m

1 stop

ONT11:59 pmOntario

$717

American Airlines

Oct 1

ONT10:25 amOntario

14h 35m

1 stop

HEL11:00 amHelsinki-Vantaa

Oct 14

HEL12:20 pmHelsinki-Vantaa

16h 24m

1 stop

ONT6:44 pmOntario

$727

United Airlines flights from Ontario to Helsinki

Our best United Airlines deals on Ontario to Helsinki flight tickets

United Airlines

Nov 9

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Nov 23

HEL12:35 pmHelsinki-Vantaa

20h 13m

2 stops

ONT10:48 pmOntario

$729

United Airlines

Feb 7

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Feb 14

HEL12:35 pmHelsinki-Vantaa

20h 31m

2 stops

ONT11:06 pmOntario

$734

United Airlines

Nov 10

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Nov 15

HEL12:35 pmHelsinki-Vantaa

20h 13m

2 stops

ONT10:48 pmOntario

$839

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Mon 11/9

10:30 am-11:40 am

1 stop15h 10m

Helsinki-Vantaa

Mon 11/23

12:30 pm-11:59 pm

1 stop21h 29m

$713

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Mon 11/9

10:30 am-1:55 pm

2 stops17h 25m

Helsinki-Vantaa

Mon 11/23

12:30 pm-11:59 pm

1 stop21h 29m

$717

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Mon 11/9

5:00 am-6:45 pm

2 stops27h 45m

Helsinki-Vantaa

Mon 11/23

12:35 pm-10:48 pm

2 stops20h 13m

$729

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Fri 1/15

7:00 am-4:40 pm

2 stops23h 40m

Helsinki-Vantaa

Fri 1/22

6:40 am-10:14 pm

2 stops25h 34m

$730

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Sun 2/7

5:00 am-6:45 pm

2 stops27h 45m

Helsinki-Vantaa

Sun 2/14

12:35 pm-11:06 pm

2 stops20h 31m

$734

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Mon 1/18

12:00 pm-5:25 pm

2 stops19h 25m

Helsinki-Vantaa

Sun 1/24

6:40 am-4:12 pm

2 stops19h 32m

$735

Quickest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Sat 11/14

10:30 am-11:40 am

1 stop15h 10m

Helsinki-Vantaa

Sun 11/22

12:30 pm-6:52 pm

1 stop16h 22m

$738

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 11/10

5:00 am-6:45 pm

2 stops27h 45m

Helsinki-Vantaa

Sun 11/15

12:35 pm-10:48 pm

2 stops20h 13m

$839

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Thu 10/1

2:22 pm-11:00 pm

2 stops22h 38m

Helsinki-Vantaa

Thu 10/8

12:20 pm-9:11 pm

1 stop18h 51m

$888

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Fri 11/13

6:00 am-6:45 pm

2 stops26h 45m

Helsinki-Vantaa

Fri 11/27

12:35 pm-10:48 pm

2 stops20h 13m

$914

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 $931. 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 $733. 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 $1,088 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	$535
Fastest flight time	13h 53m
Direct flights	None

The best one-way flight to Helsinki from Ontario in the past 72 hours is $535. The best round-trip flight deal from Ontario to Helsinki found on momondo in the last 72 hours is $713.

The fastest flight from Ontario to Helsinki takes 13h 53m

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 13h 53m.
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.