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Cheap flights from Chicago O'Hare Intl Airport to Helsinki from $271

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Helsinki departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Helsinki

Cheap round-trip flights

Scandinavian Airlines Logo
7:20 pm - 8:20 pmORD-HEL
17h 00m1 stop
Scandinavian Airlines Logo
4:05 pm - 4:45 pmHEL-ORD
32h 40m2 stops
$419Scandinavian Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Scandinavian Airlines Logo
7:20 pm - 12:05 amORD-HEL
20h 45m1 stop
Scandinavian Airlines Logo
11:20 am - 4:45 pmHEL-ORD
13h 25m1 stop
$420Scandinavian Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Scandinavian Airlines Logo
7:20 pm - 9:05 pmORD-HEL
17h 45m2 stops
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
$430Scandinavian Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Scandinavian Airlines Logo
7:15 pm - 8:25 pmORD-HEL
17h 10m2 stops
Scandinavian Airlines Logo
11:20 am - 4:45 pmHEL-ORD
13h 25m1 stop
$439Scandinavian Airlines
Find Deal
Tue, Sep 30 - Sun, Nov 2
Scandinavian Airlines Logo
11:10 pm - 8:20 pmORD-HEL
14h 10m1 stop
Scandinavian Airlines Logo
11:20 am - 4:45 pmHEL-ORD
13h 25m1 stop
$441Scandinavian Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 19
Scandinavian Airlines Logo
7:15 pm - 3:25 pmORD-HEL
12h 10m1 stop
Scandinavian Airlines Logo
6:15 am - 5:45 pmHEL-ORD
18h 30m1 stop
$450Scandinavian Airlines
Find Deal
Mon, Sep 29 - Sat, Nov 1
Logo
7:25 pm - 6:20 pmORD-HEL
14h 55m2 stops
Logo
8:30 am - 6:15 pmHEL-ORD
41h 45m2 stops
$509
Find Deal
Tue, Sep 23 - Tue, Sep 30
Turkish Airlines Logo
7:50 pm - 11:40 amORD-HEL
31h 50m1 stop
Turkish Airlines Logo
7:35 pm - 9:40 amHEL-ORD
22h 05m1 stop
$550Turkish Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 17
Turkish Airlines Logo
11:50 am - 6:05 pmORD-HEL
22h 15m1 stop
Turkish Airlines Logo
7:00 pm - 10:05 amHEL-ORD
23h 05m1 stop
$570Turkish Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
Turkish Airlines Logo
11:25 am - 6:40 pmORD-HEL
23h 15m1 stop
Turkish Airlines Logo
7:35 pm - 9:40 amHEL-ORD
22h 05m1 stop
$581Turkish Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30

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

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Helsinki flight tickets
Scandinavian Airlines
Dec 3
ORD7:20 pmChicago O'Hare Intl
17h 00m
1 stop
HEL8:20 pmHelsinki-Vantaa
Dec 10
HEL4:05 pmHelsinki-Vantaa
32h 40m
2 stops
ORD4:45 pmChicago O'Hare Intl
$419
Find similar
Scandinavian Airlines
Dec 3
ORD7:20 pmChicago O'Hare Intl
20h 45m
1 stop
HEL12:05 amHelsinki-Vantaa
Dec 10
HEL11:20 amHelsinki-Vantaa
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$420
Find similar
Scandinavian Airlines
Dec 3
ORD7:20 pmChicago O'Hare Intl
17h 45m
2 stops
HEL9:05 pmHelsinki-Vantaa
Dec 10
HEL6:15 amHelsinki-Vantaa
18h 30m
1 stop
ORD4:45 pmChicago O'Hare Intl
$430
Find similar

Lufthansa flights from Chicago O'Hare Intl Airport to Helsinki

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Helsinki flight tickets
Lufthansa
Aug 13
ORD9:40 pmChicago O'Hare Intl
18h 10m
1 stop
HEL11:50 pmHelsinki-Vantaa
Aug 20
HEL6:10 amHelsinki-Vantaa
21h 45m
1 stop
ORD7:55 pmChicago O'Hare Intl
$651
Find similar
Lufthansa
Aug 12
ORD3:35 pmChicago O'Hare Intl
12h 20m
1 stop
HEL11:55 amHelsinki-Vantaa
Aug 20
HEL6:10 amHelsinki-Vantaa
21h 45m
1 stop
ORD7:55 pmChicago O'Hare Intl
$669
Find similar
Lufthansa
Aug 10
ORD9:40 pmChicago O'Hare Intl
18h 10m
1 stop
HEL11:50 pmHelsinki-Vantaa
Aug 20
HEL6:10 amHelsinki-Vantaa
21h 45m
1 stop
ORD7:55 pmChicago O'Hare Intl
$670
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
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

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 12/3

7:20 pm-8:20 pm

1 stop17h 00m

Helsinki-Vantaa

Wed 12/10

4:05 pm-4:45 pm

2 stops32h 40m

$419

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 12/3

7:20 pm-12:05 am

1 stop20h 45m

Helsinki-Vantaa

Wed 12/10

11:20 am-4:45 pm

1 stop13h 25m

$420

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 12/3

7:20 pm-9:05 pm

2 stops17h 45m

Helsinki-Vantaa

Wed 12/10

6:15 am-4:45 pm

1 stop18h 30m

$430

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 9/30

7:15 pm-8:25 pm

2 stops17h 10m

Helsinki-Vantaa

Sun 11/2

11:20 am-4:45 pm

1 stop13h 25m

$439

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 10/29

11:10 pm-8:20 pm

1 stop14h 10m

Helsinki-Vantaa

Wed 11/19

11:20 am-4:45 pm

1 stop13h 25m

$441

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 9/29

7:15 pm-3:25 pm

1 stop12h 10m

Helsinki-Vantaa

Sat 11/1

6:15 am-5:45 pm

1 stop18h 30m

$450

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 9/23

7:25 pm-6:20 pm

2 stops14h 55m

Helsinki-Vantaa

Tue 9/30

8:30 am-6:15 pm

2 stops41h 45m

$509

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 9/9

7:50 pm-11:40 am

1 stop31h 50m

Helsinki-Vantaa

Wed 9/17

7:35 pm-9:40 am

1 stop22h 05m

$550

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 1/20

11:50 am-6:05 pm

1 stop22h 15m

Helsinki-Vantaa

Tue 1/27

7:00 pm-10:05 am

1 stop23h 05m

$570

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 9/23

11:25 am-6:40 pm

1 stop23h 15m

Helsinki-Vantaa

Tue 9/30

7:35 pm-9:40 am

1 stop22h 05m

$581

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

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 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 $528. 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 $616.

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 Wednesday when prices can be found for as low as $789. 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 Saturday will generally be more expensive and average around $917. 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 afternoon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Helsinki in the afternoon for as low as $641. 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 evening is when there is more demand to fly to Helsinki, so prices are often more expensive at around $858 per ticket.

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 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 $779 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 $600 on momondo.

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Helsinki-Vantaa 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 18% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Helsinki flight.

How have Chicago O'Hare Intl Airport to Helsinki flight prices changed over time?

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

$271

Fastest flight time

8h 45m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from Chicago O'Hare Intl Airport in the past 72 hours is $271. The best round-trip flight deal from Chicago O'Hare Intl Airport to Helsinki found on momondo in the last 72 hours is $419.
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 on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Finnair and American Airlines.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
Search flight deals

  • 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 11h 35m 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?

  • 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?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $393Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $444Free CancellationRating
7.0
520 reviews
Search Icelandair flights
American AirlinesPriceFrom $576Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $579Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
FinnairPriceFrom $664Free CancellationRating
7.6
1,316 reviews
Search Finnair flights

  • Finnair Flights From Chicago O'Hare Intl Airport to Helsinki

    Finnair operates around 6 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 $923, but momondo users have found Finnair deals from Chicago O'Hare Intl Airport to Helsinki from as low as $664 round-trip. Finnair has been scored 7.6/10 in 1,316 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 (7.2/10, 10,000 ratings). American Airlines flies from Chicago O'Hare Intl Airport to Helsinki around 6 times per week, with deals starting from $576 round-trip and rising to an average price of around $947.

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Kotka
Lahti

Why use momondo?

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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