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.

$406 Cheap Flights from Ontario to Finland in 2026/27

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.

6:08 pm - 3:25 pmONT Ontario-HEL Helsinki-Vantaa

35h 17m3 stops Dallas/Fort Worth Chicago O'Hare Intl Kastrup Copenhagen

11:10 am - 7:44 amHEL Helsinki-Vantaa-ONT Ontario

30h 34m3 stops Kastrup Copenhagen Chicago O'Hare Intl Dallas/Fort Worth

$874Multiple Airlines

Sun, Nov 22 - Sun, Dec 6

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

$945Multiple Airlines

Wed, Jan 13 - Wed, Jan 20

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

$973American Airlines

Sun, Nov 15 - Tue, Dec 1

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

$983American Airlines

Sun, Nov 15 - Tue, Dec 1

10:32 am - 10:45 amONT Ontario-HEL Helsinki-Vantaa

14h 13m1 stop Dallas/Fort Worth

12:30 pm - 6:44 pmHEL Helsinki-Vantaa-ONT Ontario

16h 14m1 stop Dallas/Fort Worth

$991Multiple Airlines

Tue, Dec 8 - Tue, Dec 15

1:09 pm - 5:25 pmONT Ontario-HEL Helsinki-Vantaa

18h 16m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

6:40 am - 4:27 pmHEL Helsinki-Vantaa-ONT Ontario

19h 47m2 stops Amsterdam Schiphol Salt Lake City

$995KLM

Wed, Jan 27 - Sun, Feb 7

10:38 am - 11:40 amONT Ontario-HEL Helsinki-Vantaa

15h 02m1 stop Dallas/Fort Worth

12:30 pm - 6:51 pmHEL Helsinki-Vantaa-ONT Ontario

16h 21m1 stop Dallas/Fort Worth

$996Multiple Airlines

Wed, Jan 13 - Wed, Jan 20

2:23 pm - 9:10 pmONT Ontario-HEL Helsinki-Vantaa

20h 47m2 stops Dallas/Fort Worth London Heathrow

12:30 pm - 11:13 pmHEL Helsinki-Vantaa-ONT Ontario

20h 43m1 stop Dallas/Fort Worth

$998British Airways

Wed, Jan 13 - Wed, Jan 20

1:09 pm - 5:25 pmONT Ontario-HEL Helsinki-Vantaa

18h 16m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

6:40 am - 4:27 pmHEL Helsinki-Vantaa-ONT Ontario

19h 47m2 stops Amsterdam Schiphol Salt Lake City

$1,001KLM

Tue, Feb 2 - Fri, Feb 5

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

27h 45m2 stops Denver Intl Munich Franz Josef Strauss

12:35 pm - 6:44 pmHEL Helsinki-Vantaa-ONT Ontario

40h 09m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$1,004United Airlines

Tue, Dec 1 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

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

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

2:00 pm - 11:06 pmHEL Helsinki-Vantaa-ONT Ontario

19h 06m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$957Multiple Airlines

Mon, Nov 2 - Thu, Nov 12

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

28h 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

$996United Airlines

Thu, Oct 29 - Mon, Nov 16

5:00 am - 11:50 amONT Ontario-HEL Helsinki-Vantaa

45h 50m2 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

$1,072United Airlines

Fri, Oct 30 - Fri, Nov 6

9:45 am - 1:10 pmONT Ontario-HEL Helsinki-Vantaa

18h 25m2 stops Salt Lake City Amsterdam Schiphol

6:40 am - 4:23 pmHEL Helsinki-Vantaa-ONT Ontario

19h 43m2 stops Amsterdam Schiphol Salt Lake City

$1,092KLM

Fri, Oct 30 - Fri, Nov 6

1:29 pm - 11:50 amONT Ontario-HEL Helsinki-Vantaa

36h 21m2 stops Denver Intl Munich Franz Josef Strauss

12:35 pm - 6:44 pmHEL Helsinki-Vantaa-ONT Ontario

40h 09m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$1,131United Airlines

Sun, Nov 1 - Fri, Dec 11

11:13 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

16h 47m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 9:45 pmHEL Helsinki-Vantaa-ONT Ontario

17h 45m2 stops Reykjavik Keflavik Intl Denver Intl

$1,350Multiple Airlines

Thu, Oct 29 - Wed, Nov 11

12:16 pm - 4:40 pmONT Ontario-HEL Helsinki-Vantaa

18h 24m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:40 am - 4:24 pmHEL Helsinki-Vantaa-ONT Ontario

19h 44m2 stops Amsterdam Schiphol Salt Lake City

$1,482Air France

Sun, Nov 1 - Sat, Nov 14

11:13 am - 1:00 pmONT Ontario-HEL Helsinki-Vantaa

16h 47m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

2:00 pm - 10:45 pmHEL Helsinki-Vantaa-ONT Ontario

18h 45m2 stops Reykjavik Keflavik Intl Denver Intl

$1,545Multiple Airlines

Fri, Oct 30 - Fri, Nov 13

12:16 pm - 4:40 pmONT Ontario-HEL Helsinki-Vantaa

18h 24m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:40 am - 4:24 pmHEL Helsinki-Vantaa-ONT Ontario

19h 44m2 stops Amsterdam Schiphol Salt Lake City

$1,577Air France

Sun, Nov 1 - Fri, Nov 13

8:35 pm - 12:55 pmONT Ontario-HEL Helsinki-Vantaa

31h 20m3 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson Frankfurt am Main

7:05 am - 9:05 amHEL Helsinki-Vantaa-ONT Ontario

36h 00m3 stops Frankfurt am Main Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$1,766Multiple Airlines

Fri, Oct 30 - Fri, Nov 13

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United Airlines flights from Ontario to Finland

Our best United Airlines deals on Ontario to Finland flight tickets

United Airlines

Oct 29

ONT5:00 amOntario

28h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Nov 13

HEL12:35 pmHelsinki-Vantaa

20h 13m

2 stops

ONT10:48 pmOntario

$996

United Airlines

Dec 1

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Dec 8

HEL12:35 pmHelsinki-Vantaa

40h 09m

2 stops

ONT6:44 pmOntario

$1,004

United Airlines

Feb 2

ONT5:00 amOntario

27h 45m

2 stops

HEL6:45 pmHelsinki-Vantaa

Feb 13

HEL12:35 pmHelsinki-Vantaa

39h 47m

2 stops

ONT6:22 pmOntario

$1,009

American Airlines flights from Ontario to Finland

Our best American Airlines deals on Ontario to Finland flight tickets

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

$973

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

$983

American Airlines

Nov 8

ONT10:30 amOntario

15h 10m

1 stop

HEL11:40 amHelsinki-Vantaa

Nov 22

HEL12:30 pmHelsinki-Vantaa

16h 22m

1 stop

ONT6:52 pmOntario

$1,053

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Sun 11/22

6:08 pm-3:25 pm

3 stops35h 17m

Helsinki-Vantaa

Sun 12/6

11:10 am-7:44 am

3 stops30h 34m

$874

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/13

7:00 am-1:00 pm

2 stops20h 00m

Helsinki-Vantaa

Wed 1/20

2:00 pm-10:41 pm

2 stops18h 41m

$945

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Sun 11/15

10:30 am-11:40 am

1 stop15h 10m

Helsinki-Vantaa

Tue 12/1

12:30 pm-6:52 pm

1 stop16h 22m

$973

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Sun 11/15

10:30 am-11:40 am

1 stop15h 10m

Helsinki-Vantaa

Tue 12/1

12:30 pm-6:52 pm

1 stop16h 22m

$983

Quickest round-trip

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 12/8

10:32 am-10:45 am

1 stop14h 13m

Helsinki-Vantaa

Tue 12/15

12:30 pm-6:44 pm

1 stop16h 14m

$991

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/27

1:09 pm-5:25 pm

2 stops18h 16m

Helsinki-Vantaa

Sun 2/7

6:40 am-4:27 pm

2 stops19h 47m

$995

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/13

10:38 am-11:40 am

1 stop15h 02m

Helsinki-Vantaa

Wed 1/20

12:30 pm-6:51 pm

1 stop16h 21m

$996

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Wed 1/13

2:23 pm-9:10 pm

2 stops20h 47m

Helsinki-Vantaa

Wed 1/20

12:30 pm-11:13 pm

1 stop20h 43m

$998

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 2/2

1:09 pm-5:25 pm

2 stops18h 16m

Helsinki-Vantaa

Fri 2/5

6:40 am-4:27 pm

2 stops19h 47m

$1,001

OntarioHelsinki

ONT Ontario - HEL Helsinki-Vantaa

ONTHEL

Ontario

Tue 12/1

5:00 am-6:45 pm

2 stops27h 45m

Helsinki-Vantaa

Tue 12/8

12:35 pm-6:44 pm

2 stops40h 09m

$1,004

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 Finnair are the most popular carriers operating from Ontario to Finland

What airlines fly to Finland?

Finnair, American 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	$406
Fastest flight time	15h 03m
Direct flights	None

The best one-way flight to Finland from Ontario in the past 72 hours is $406. The best round-trip flight deal from Ontario to Finland found on momondo in the last 72 hours is $874.

The fastest flight from Ontario to Finland takes 15h 03m

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.