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.

$535 Cheap Flights from Ontario to Finland in 2026

Find the cheapest flights from Ontario to Finland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:10 amONT Ontario-HEL Helsinki-Vantaa

19h 10m1 stop Dallas/Fort Worth

12:30 pm - 6:53 pmHEL Helsinki-Vantaa-ONT Ontario

16h 23m1 stop Dallas/Fort Worth

$718Multiple Airlines

Thu, Jan 14 - Tue, Jan 19

9:29 am - 11:40 amONT Ontario-HEL Helsinki-Vantaa

16h 11m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

12:30 pm - 9:59 pmHEL Helsinki-Vantaa-ONT Ontario

19h 29m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$722Multiple Airlines

Thu, Jan 14 - Tue, Jan 19

11:57 am - 4:40 pmONT Ontario-HEL Helsinki-Vantaa

18h 43m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:40 am - 5:19 pmHEL Helsinki-Vantaa-ONT Ontario

20h 39m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$725Delta

Tue, Nov 10 - Mon, Nov 16

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

$729United Airlines

Wed, Nov 11 - Mon, Nov 16

6:00 am - 4:40 pmONT Ontario-HEL Helsinki-Vantaa

24h 40m2 stops Salt Lake City Paris Charles de Gaulle

6:40 am - 5:17 pmHEL Helsinki-Vantaa-ONT Ontario

20h 37m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$730Delta

Fri, Mar 5 - Thu, Mar 11

6:00 am - 1:10 pmONT Ontario-HEL Helsinki-Vantaa

21h 10m2 stops Salt Lake City Amsterdam Schiphol

6:40 am - 5:17 pmHEL Helsinki-Vantaa-ONT Ontario

20h 37m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$735KLM

Fri, Mar 5 - Thu, Mar 11

10:25 am - 11:00 amONT Ontario-HEL Helsinki-Vantaa

14h 35m1 stop Dallas/Fort Worth

12:30 pm - 6:42 pmHEL Helsinki-Vantaa-ONT Ontario

16h 12m1 stop Dallas/Fort Worth

$738Multiple Airlines

Sat, Oct 24 - Tue, Nov 3

7:00 am - 11:40 amONT Ontario-HEL Helsinki-Vantaa

18h 40m1 stop Dallas/Fort Worth

12:30 pm - 9:28 pmHEL Helsinki-Vantaa-ONT Ontario

18h 58m1 stop Dallas/Fort Worth

$743American Airlines

Fri, Mar 5 - Thu, Mar 11

9:53 am - 1:55 pmONT Ontario-HEL Helsinki-Vantaa

18h 02m2 stops Phoenix Sky Harbor Intl New York John F Kennedy Intl

12:30 pm - 11:45 pmHEL Helsinki-Vantaa-ONT Ontario

21h 15m1 stop Dallas/Fort Worth

$747American Airlines

Fri, Mar 5 - Thu, Mar 11

11:57 am - 4:40 pmONT Ontario-HEL Helsinki-Vantaa

18h 43m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:40 am - 5:19 pmHEL Helsinki-Vantaa-ONT Ontario

20h 39m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$775Delta

Tue, Nov 10 - Mon, Nov 16

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American Airlines flights from Ontario to Finland

Our best American Airlines deals on Ontario to Finland flight tickets

American Airlines

Mar 5

ONT7:00 amOntario

18h 40m

1 stop

HEL11:40 amHelsinki-Vantaa

Mar 11

HEL12:30 pmHelsinki-Vantaa

18h 58m

1 stop

ONT9:28 pmOntario

$743

American Airlines

Mar 5

ONT9:53 amOntario

18h 02m

2 stops

HEL1:55 pmHelsinki-Vantaa

Mar 11

HEL12:30 pmHelsinki-Vantaa

21h 15m

1 stop

ONT11:45 pmOntario

$747

American Airlines

Sep 24

ONT10:25 amOntario

14h 35m

1 stop

HEL11:00 amHelsinki-Vantaa

Oct 7

HEL12:20 pmHelsinki-Vantaa

16h 24m

1 stop

ONT6:44 pmOntario

$1,113

United Airlines flights from Ontario to Finland

Our best United Airlines deals on Ontario to Finland flight tickets

United Airlines

Nov 11

ONT6:00 amOntario

26h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Nov 16

HEL12:35 pmHelsinki-Vantaa

20h 13m

2 stops

ONT10:48 pmOntario

$729

United Airlines

Mar 5

ONT1:00 pmOntario

19h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Mar 11

HEL12:35 pmHelsinki-Vantaa

20h 31m

2 stops

ONT11:06 pmOntario

$919

United Airlines

Oct 24

ONT7:00 amOntario

19h 50m

2 stops

HEL12:50 pmHelsinki-Vantaa

Nov 3

HEL7:00 amHelsinki-Vantaa

23h 51m

2 stops

ONT8:51 pmOntario

$947

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Thu 1/14

6:00 am-11:10 am

1 stop19h 10m

Helsinki-Vantaa

Tue 1/19

12:30 pm-6:53 pm

1 stop16h 23m

$718

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Thu 1/14

9:29 am-11:40 am

2 stops16h 11m

Helsinki-Vantaa

Tue 1/19

12:30 pm-9:59 pm

2 stops19h 29m

$722

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 11/10

11:57 am-4:40 pm

2 stops18h 43m

Helsinki-Vantaa

Mon 11/16

6:40 am-5:19 pm

2 stops20h 39m

$725

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 11/11

6:00 am-6:45 pm

2 stops26h 45m

Helsinki-Vantaa

Mon 11/16

12:35 pm-10:48 pm

2 stops20h 13m

$729

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Fri 3/5

6:00 am-4:40 pm

2 stops24h 40m

Helsinki-Vantaa

Thu 3/11

6:40 am-5:17 pm

2 stops20h 37m

$730

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Fri 3/5

6:00 am-1:10 pm

2 stops21h 10m

Helsinki-Vantaa

Thu 3/11

6:40 am-5:17 pm

2 stops20h 37m

$735

Quickest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Sat 10/24

10:25 am-11:00 am

1 stop14h 35m

Helsinki-Vantaa

Tue 11/3

12:30 pm-6:42 pm

1 stop16h 12m

$738

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Fri 3/5

7:00 am-11:40 am

1 stop18h 40m

Helsinki-Vantaa

Thu 3/11

12:30 pm-9:28 pm

1 stop18h 58m

$743

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Fri 3/5

9:53 am-1:55 pm

2 stops18h 02m

Helsinki-Vantaa

Thu 3/11

12:30 pm-11:45 pm

1 stop21h 15m

$747

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 11/10

11:57 am-4:40 pm

2 stops18h 43m

Helsinki-Vantaa

Mon 11/16

6:40 am-5:19 pm

2 stops20h 39m

$775

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?

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

What airlines fly to Finland?

Finnair, Scandinavian Airlines and British Airways 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 58% 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

Best Price Found	$535
Fastest flight time	14h 20m
Direct flights	None

The best one-way flight to Finland from Ontario in the past 72 hours is $535. The best round-trip flight deal from Ontario to Finland found on momondo in the last 72 hours is $718.

The fastest flight from Ontario to Finland takes 14h 20m

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

Search flight deals

Frequently asked questions about flying from Ontario to Finland

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.