When did momondo last update prices for flights from Ontario Airport to Finland?

Prices for flights from Ontario Airport to Finland are updated daily.

How old do you have to be to fly from Ontario Airport to Finland?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Finland.

What documentation or ID do you need to fly to Finland?

The travel and health documents required for your trip to Finland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Finland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$518 Cheap Flights from Ontario to Finland in 2025/26

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0 bags

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Find the cheapest flights from Ontario to Finland

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:58 am - 10:45 am

ONT

HEL

13h 47m1 stop

12:30 pm - 6:39 pm

HEL

ONT

16h 09m1 stop

$753American Airlines

Sun, Feb 8 - Tue, Feb 24

5:05 am - 6:50 pm

ONT

HEL

27h 45m2 stops

7:05 am - 5:43 pm

HEL

ONT

20h 38m2 stops

$776United Airlines

Wed, Jan 14 - Tue, Jan 27

5:05 am - 6:50 pm

ONT

HEL

27h 45m2 stops

12:45 pm - 10:53 pm

HEL

ONT

20h 08m2 stops

$778United Airlines

Wed, Jan 14 - Wed, Jan 28

1:24 pm - 6:50 pm

ONT

HEL

43h 26m2 stops

6:55 am - 5:43 pm

HEL

ONT

20h 48m2 stops

$782United Airlines

Tue, Jan 13 - Thu, Jan 22

6:32 pm - 6:50 pm

ONT

HEL

38h 18m2 stops

12:45 pm - 10:53 pm

HEL

ONT

20h 08m2 stops

$783United Airlines

Tue, Jan 13 - Wed, Jan 28

5:02 pm - 9:10 pm

ONT

HEL

19h 08m2 stops

12:30 pm - 10:30 pm

HEL

ONT

19h 00m1 stop

$809British Airways

Sun, Mar 22 - Fri, Mar 27

4:45 pm - 9:10 pm

ONT

HEL

18h 25m2 stops

12:30 pm - 6:45 pm

HEL

ONT

16h 15m1 stop

$829British Airways

Mon, Jan 12 - Mon, Jan 19

1:53 pm - 6:50 pm

ONT

HEL

42h 57m2 stops

12:45 pm - 10:53 pm

HEL

ONT

44h 08m2 stops

$835United Airlines

Tue, Jan 6 - Wed, Jan 14

1:50 pm - 1:20 am

ONT

HEL

26h 30m2 stops

1:50 pm - 10:25 pm

HEL

ONT

41h 35m2 stops

$847United Airlines

Sun, Mar 8 - Sun, Mar 15

11:59 pm - 1:10 pm

ONT

HEL

28h 11m2 stops

1:50 pm - 10:25 pm

HEL

ONT

41h 35m2 stops

$859United Airlines

Sun, Mar 8 - Sun, Mar 15

American Airlines flights from Ontario to Finland

Our best American Airlines deals on Ontario to Finland flight tickets

American Airlines

Feb 8

ONT10:58 amOntario

13h 47m

1 stop

HEL10:45 amHelsinki-Vantaa

Feb 24

HEL12:30 pmHelsinki-Vantaa

16h 09m

1 stop

ONT6:39 pmOntario

$753

Find similar

American Airlines

Jan 6

ONT9:59 amOntario

19h 21m

2 stops

HEL3:20 pmHelsinki-Vantaa

Jan 14

HEL12:30 pmHelsinki-Vantaa

16h 15m

1 stop

ONT6:45 pmOntario

$902

Find similar

American Airlines

Feb 1

ONT7:16 amOntario

17h 29m

1 stop

HEL10:45 amHelsinki-Vantaa

Feb 17

HEL12:30 pmHelsinki-Vantaa

16h 09m

1 stop

ONT6:39 pmOntario

$908

Find similar

United Airlines flights from Ontario to Finland

Our best United Airlines deals on Ontario to Finland flight tickets

United Airlines

Jan 14

ONT5:05 amOntario

27h 45m

2 stops

HEL6:50 pmHelsinki-Vantaa

Jan 27

HEL7:05 amHelsinki-Vantaa

20h 38m

2 stops

ONT5:43 pmOntario

$776

Find similar

United Airlines

Jan 14

ONT5:05 amOntario

27h 45m

2 stops

HEL6:50 pmHelsinki-Vantaa

Jan 28

HEL12:45 pmHelsinki-Vantaa

20h 08m

2 stops

ONT10:53 pmOntario

$778

Find similar

United Airlines

Jan 13

ONT1:24 pmOntario

43h 26m

2 stops

HEL6:50 pmHelsinki-Vantaa

Jan 22

HEL6:55 amHelsinki-Vantaa

20h 48m

2 stops

ONT5:43 pmOntario

$782

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 2/8

10:58 am-10:45 am

1 stop13h 47m

Helsinki-Vantaa

Tue 2/24

12:30 pm-6:39 pm

1 stop16h 09m

$753

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/14

5:05 am-6:50 pm

2 stops27h 45m

Helsinki-Vantaa

Tue 1/27

7:05 am-5:43 pm

2 stops20h 38m

$776

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Wed 1/14

5:05 am-6:50 pm

2 stops27h 45m

Helsinki-Vantaa

Wed 1/28

12:45 pm-10:53 pm

2 stops20h 08m

$778

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 1/13

1:24 pm-6:50 pm

2 stops43h 26m

Helsinki-Vantaa

Thu 1/22

6:55 am-5:43 pm

2 stops20h 48m

$782

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 1/13

6:32 pm-6:50 pm

2 stops38h 18m

Helsinki-Vantaa

Wed 1/28

12:45 pm-10:53 pm

2 stops20h 08m

$783

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/22

5:02 pm-9:10 pm

2 stops19h 08m

Helsinki-Vantaa

Fri 3/27

12:30 pm-10:30 pm

1 stop19h 00m

$809

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Mon 1/12

4:45 pm-9:10 pm

2 stops18h 25m

Helsinki-Vantaa

Mon 1/19

12:30 pm-6:45 pm

1 stop16h 15m

$829

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Tue 1/6

1:53 pm-6:50 pm

2 stops42h 57m

Helsinki-Vantaa

Wed 1/14

12:45 pm-10:53 pm

2 stops44h 08m

$835

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/8

1:50 pm-1:20 am

2 stops26h 30m

Helsinki-Vantaa

Sun 3/15

1:50 pm-10:25 pm

2 stops41h 35m

$847

OntarioHelsinki

ONT - HEL

ONTHEL

Ontario

Sun 3/8

11:59 pm-1:10 pm

2 stops28h 11m

Helsinki-Vantaa

Sun 3/15

1:50 pm-10:25 pm

2 stops41h 35m

$859

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 Finland

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

What is the cheapest airline that flies from Ontario to Finland?

British Airways, Delta, and United Airlines are the most popular carriers operating from Ontario to Finland

What airlines fly to Finland?

Finnair, Scandinavian Airlines and American Airlines are the top three most popular airlines that fly to Finland from Ontario according to our data. Finnair is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Finland. Keep in mind that there are 8 different airlines that fly to Finland on a routine basis, so you have a few additional options to choose from.

Cheap Ontario to Finland flight deals and tips

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

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from Ontario to Finland takes 17h 10m

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

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Finland?
Prices for flights from Ontario Airport to Finland are updated daily.
How old do you have to be to fly from Ontario Airport to Finland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Finland.
What documentation or ID do you need to fly to Finland?
The travel and health documents required for your trip to Finland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Finland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Finland from Ontario with this policy.

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

momondo helps you find the best flight between Ontario and Finland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Ontario to Finland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Finland and let you know when they change.