What is the cheapest airline that flies from Chicago O'Hare Intl to Helsinki-Vantaa?

Icelandair is the most popular carrier operating from Chicago O'Hare Intl to Helsinki-Vantaa

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Helsinki?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 35m.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Helsinki?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $629.

How many flights depart from Chicago O'Hare Intl Airport to Helsinki on average per day?

As of April 2026, 3 flights take off from Chicago O'Hare Intl Airport and land in Helsinki each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.

What airlines fly to Helsinki?

Icelandair, Finnair and Scandinavian Airlines are the top three most popular airlines that fly to Helsinki from Chicago O'Hare Intl Airport according to our data. Icelandair is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 6 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago O'Hare Intl Airport to Helsinki on average per week?

As of April 2026, there are 25 flights per week flying from Chicago O'Hare Intl Airport to Helsinki. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Helsinki?

Copenhagen (CPH) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Helsinki?

Reykjavik (KEF) has the shortest average layover time for this route: 0h 48m.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport?

Prices for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport were last updated today.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport?

As of April 2026, there are 6 operators available to choose from for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport?

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 Chicago O'Hare Intl 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.

$358 Cheap Flights from Chicago O'Hare Intl Airport to Helsinki in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Helsinki

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 11:55 pm

ORD

HEL

19h 45m

1 stop

12:05 pm - 6:15 pm

HEL

ORD

38h 10m

1 stop

$589Turkish Airlines

Sun, Sep 13 - Tue, Sep 22

11:25 am - 6:40 pm

ORD

HEL

23h 15m

1 stop

12:05 pm - 9:40 am

HEL

ORD

29h 35m

1 stop

$643Turkish Airlines

Mon, Sep 14 - Tue, Sep 22

8:10 pm - 11:10 am

ORD

HEL

31h 00m

1 stop

7:35 pm - 9:40 am

HEL

ORD

22h 05m

1 stop

$659Turkish Airlines

Thu, Sep 10 - Sat, Sep 19

11:25 am - 11:10 am

ORD

HEL

15h 45m

1 stop

8:20 am - 6:15 pm

HEL

ORD

17h 55m

1 stop

$662Turkish Airlines

Thu, Sep 10 - Thu, Sep 24

8:10 pm - 11:55 pm

ORD

HEL

19h 45m

1 stop

12:05 pm - 9:40 am

HEL

ORD

29h 35m

1 stop

$679Turkish Airlines

Thu, Sep 17 - Wed, Sep 23

11:25 am - 11:10 am

ORD

HEL

15h 45m

1 stop

7:35 pm - 9:40 am

HEL

ORD

22h 05m

1 stop

$681Turkish Airlines

Sat, Sep 12 - Tue, Sep 22

8:10 pm - 11:55 pm

ORD

HEL

19h 45m

1 stop

12:05 pm - 9:40 am

HEL

ORD

29h 35m

1 stop

$696Turkish Airlines

Thu, Oct 1 - Tue, Oct 6

11:25 am - 6:40 pm

ORD

HEL

23h 15m

1 stop

12:05 pm - 9:40 am

HEL

ORD

29h 35m

1 stop

$702Turkish Airlines

Fri, Sep 11 - Fri, Sep 25

11:25 am - 11:10 am

ORD

HEL

15h 45m

1 stop

7:35 pm - 9:40 am

HEL

ORD

22h 05m

1 stop

$717Turkish Airlines

Mon, Oct 12 - Thu, Oct 22

8:10 pm - 11:55 pm

ORD

HEL

19h 45m

1 stop

8:20 am - 9:40 am

HEL

ORD

33h 20m

1 stop

$719Turkish Airlines

Sat, Sep 12 - Mon, Sep 21

Turkish Airlines flights from Chicago O'Hare Intl Airport to Helsinki

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Helsinki flight tickets

Turkish Airlines

Sep 13

ORD8:10 pmChicago O'Hare Intl

19h 45m

1 stop

HEL11:55 pmHelsinki-Vantaa

Sep 22

HEL12:05 pmHelsinki-Vantaa

38h 10m

1 stop

ORD6:15 pmChicago O'Hare Intl

$589

Turkish Airlines

Sep 14

ORD11:25 amChicago O'Hare Intl

23h 15m

1 stop

HEL6:40 pmHelsinki-Vantaa

Sep 22

HEL12:05 pmHelsinki-Vantaa

29h 35m

1 stop

ORD9:40 amChicago O'Hare Intl

$643

Turkish Airlines

Sep 10

ORD8:10 pmChicago O'Hare Intl

31h 00m

1 stop

HEL11:10 amHelsinki-Vantaa

Sep 19

HEL7:35 pmHelsinki-Vantaa

22h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$659

Icelandair flights from Chicago O'Hare Intl Airport to Helsinki

Our best Icelandair deals on Chicago O'Hare Intl Airport to Helsinki flight tickets

Icelandair

Apr 28

ORD9:41 amChicago O'Hare Intl

20h 19m

2 stops

HEL2:00 pmHelsinki-Vantaa

May 6

HEL3:00 pmHelsinki-Vantaa

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

$755

Icelandair

May 4

ORD9:49 amChicago O'Hare Intl

20h 11m

2 stops

HEL2:00 pmHelsinki-Vantaa

May 8

HEL3:00 pmHelsinki-Vantaa

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

$777

Icelandair

Apr 28

ORD7:25 pmChicago O'Hare Intl

10h 35m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 6

HEL3:00 pmHelsinki-Vantaa

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

$789

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 9/13

8:10 pm-11:55 pm

1 stop19h 45m

Helsinki-Vantaa

Tue 9/22

12:05 pm-6:15 pm

1 stop38h 10m

$589

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 9/14

11:25 am-6:40 pm

1 stop23h 15m

Helsinki-Vantaa

Tue 9/22

12:05 pm-9:40 am

1 stop29h 35m

$643

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 9/10

8:10 pm-11:10 am

1 stop31h 00m

Helsinki-Vantaa

Sat 9/19

7:35 pm-9:40 am

1 stop22h 05m

$659

Quickest round-trip

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 9/10

11:25 am-11:10 am

1 stop15h 45m

Helsinki-Vantaa

Thu 9/24

8:20 am-6:15 pm

1 stop17h 55m

$662

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 9/17

8:10 pm-11:55 pm

1 stop19h 45m

Helsinki-Vantaa

Wed 9/23

12:05 pm-9:40 am

1 stop29h 35m

$679

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sat 9/12

11:25 am-11:10 am

1 stop15h 45m

Helsinki-Vantaa

Tue 9/22

7:35 pm-9:40 am

1 stop22h 05m

$681

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 10/1

8:10 pm-11:55 pm

1 stop19h 45m

Helsinki-Vantaa

Tue 10/6

12:05 pm-9:40 am

1 stop29h 35m

$696

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 9/11

11:25 am-6:40 pm

1 stop23h 15m

Helsinki-Vantaa

Fri 9/25

12:05 pm-9:40 am

1 stop29h 35m

$702

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 10/12

11:25 am-11:10 am

1 stop15h 45m

Helsinki-Vantaa

Thu 10/22

7:35 pm-9:40 am

1 stop22h 05m

$717

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sat 9/12

8:10 pm-11:55 pm

1 stop19h 45m

Helsinki-Vantaa

Mon 9/21

8:20 am-9:40 am

1 stop33h 20m

$719

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 Chicago O'Hare Intl Airport 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

Layovers

Other information

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of February is, on average, the cheapest month to fly to Helsinki from Chicago O'Hare Intl Airport, with most prices found around $469. If you aren’t able to travel during the month of February, then book flights to Helsinki from Chicago O'Hare Intl Airport during January instead. Flights to Helsinki in January, while not as cheap as those in February, still average around $493.

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 $747. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago O'Hare Intl Airport to Helsinki on a Friday will generally be more expensive and average around $967. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Chicago O'Hare Intl to Helsinki-Vantaa flight route?

Fly from Chicago O'Hare Intl to Helsinki-Vantaa for the best Chicago O'Hare Intl - Helsinki-Vantaa flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Helsinki?

You are more likely to see cheaper flights to Helsinki from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $772 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Chicago O'Hare Intl Airport for as low as $489 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Helsinki flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to Helsinki flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Helsinki flights?

You could potentially save up to 1% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Helsinki flight.

When to book flights from Chicago O'Hare Intl Airport to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Helsinki (ORD to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Helsinki

Best Price Found	$592
Fastest flight time	8h 45m
Direct flights	Every day
Airports in Helsinki	1 airport

The best one-way flight to Helsinki from Chicago O'Hare Intl Airport in the past 72 hours is $592. The best round-trip flight deal from Chicago O'Hare Intl Airport to Helsinki found on momondo in the last 72 hours is $991.

The fastest flight from Chicago O'Hare Intl Airport to Helsinki takes 8h 45m

Direct flights go from Chicago O'Hare Intl Airport to Helsinki every day.

There is 1 airport in Helsinki. From Chicago O'Hare Intl Airport there are direct flights to Helsinki-Vantaa (HEL).

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Helsinki

How far is Chicago O'Hare Intl to Helsinki-Vantaa by plane?
Chicago O'Hare Intl and Helsinki-Vantaa are 4426.4 mi apart from one another. Typically, this will take 8h 45m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport?
Prices for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport?
As of April 2026, there are 6 operators available to choose from for flights from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport?
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 Chicago O'Hare Intl 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.
What is the most popular plane model from Chicago O'Hare Intl Airport to Helsinki?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Helsinki is Boeing 787-8 Dreamliner, representing 39.64% of all bookings. The subsequent popular models are Airbus A330-300 at 18.82%, Boeing 787-9 Dreamliner at 16.72%, and Boeing 777-300ER at 9.04%.
What is the most popular airline from Chicago O'Hare Intl Airport to Helsinki?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Helsinki is Icelandair, representing 30% of all bookings. The subsequent popular airlines are Finnair at 28%, Scandinavian Airlines at 25%, and American Airlines at 6%.

Best airlines flying from Chicago O'Hare Intl Airport to Helsinki

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $419	Free Cancellation	Rating 7.0 639 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $428	Free Cancellation	Rating 7.3 1,759 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $518	Free Cancellation	Rating 6.8 7,946 reviews	Search Lufthansa flights
Finnair	PriceFrom $678	Free Cancellation	Rating 7.7 1,390 reviews	Search Finnair flights
American Airlines	PriceFrom $809	Free Cancellation	Rating 7.1 11,665 reviews	Search American Airlines flights
United Airlines	PriceFrom $815	Free Cancellation	Rating 7.4 9,644 reviews	Search United Airlines flights

Finnair Flights From Chicago O'Hare Intl Airport to Helsinki
Finnair operates around 5 flights from Chicago O'Hare Intl Airport to Helsinki every week. The average price of these flights found in the last 72 hours has been $998, but momondo users have found Finnair deals from Chicago O'Hare Intl Airport to Helsinki from as low as $678 round-trip. Finnair has been scored 7.7/10 in 1,390 reviews.
American Airlines Flights From Chicago O'Hare Intl Airport to Helsinki
Another popular option for Chicago O'Hare Intl Airport to Helsinki flights is American Airlines (7.1/10, 11,662 ratings). American Airlines flies from Chicago O'Hare Intl Airport to Helsinki around 5 times per week, with deals starting from $809 round-trip and rising to an average price of around $1,070.

Vantaa

Espoo

Lahti

Kotka

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Why should I use momondo to find a flight deal from Chicago to Helsinki?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Helsinki with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Helsinki flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Helsinki.

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

Yes momondo offers price alerts on flights to Helsinki from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Chicago O'Hare Intl Airport to Helsinki from $358

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See travel insights to Helsinki from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Helsinki

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Helsinki?

What is the cheapest month to fly to Helsinki?

What is the cheapest day to depart on your flight to Helsinki?

What is the cheapest Chicago O'Hare Intl to Helsinki-Vantaa flight route?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Helsinki?

What cabin class options are available on Chicago O'Hare Intl Airport to Helsinki flights?

Can stopping save me money on Chicago O'Hare Intl Airport to Helsinki flights?

What is the cheapest airline that flies from Chicago O'Hare Intl to Helsinki-Vantaa?

What airlines fly to Helsinki?

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Helsinki?

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Helsinki?

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Helsinki?

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Helsinki?

How many flights depart from Chicago O'Hare Intl Airport to Helsinki on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Helsinki on average per week?

When to book flights from Chicago O'Hare Intl Airport to Helsinki

Cheap Chicago O'Hare Intl Airport to Helsinki (ORD to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Helsinki

Best Price Found

Fastest flight time

Direct flights

Airports in Helsinki

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Helsinki

Best airlines flying from Chicago O'Hare Intl Airport to Helsinki

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Helsinki with momondo

Finnair Flights From Chicago O'Hare Intl Airport to Helsinki

American Airlines Flights From Chicago O'Hare Intl Airport to Helsinki

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