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Cheap flights from Chicago O'Hare Intl Airport to Helsinki from $304

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 10/7. 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
10:25 am - 3:25 pmORD-HEL
22h 00m2 stops
Scandinavian Airlines Logo
8:55 pm - 4:45 pmHEL-ORD
27h 50m2 stops
$370Scandinavian Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Scandinavian Airlines Logo
7:15 pm - 12:05 amORD-HEL
20h 50m1 stop
Scandinavian Airlines Logo
11:20 am - 4:45 pmHEL-ORD
13h 25m1 stop
$402Scandinavian Airlines
Find Deal
Mon, Oct 20 - Wed, Nov 5
Scandinavian Airlines Logo
10:25 am - 10:40 amORD-HEL
17h 15m2 stops
Scandinavian Airlines Logo
6:15 am - 5:45 pmHEL-ORD
18h 30m1 stop
$408Scandinavian Airlines
Find Deal
Tue, Oct 28 - Sat, Nov 1
Scandinavian Airlines Logo
7:15 pm - 4:55 pmORD-HEL
13h 40m2 stops
Scandinavian Airlines Logo
11:20 am - 4:45 pmHEL-ORD
13h 25m1 stop
$409Scandinavian Airlines
Find Deal
Mon, Oct 20 - Wed, Nov 5
Scandinavian Airlines Logo
7:15 pm - 12:05 amORD-HEL
20h 50m1 stop
Scandinavian Airlines Logo
7:00 am - 4:45 pmHEL-ORD
17h 45m2 stops
$412Scandinavian Airlines
Find Deal
Mon, Oct 20 - Wed, Nov 5
Turkish Airlines Logo
7:50 pm - 11:40 amORD-HEL
31h 50m1 stop
Turkish Airlines Logo
7:00 pm - 11:05 amHEL-ORD
23h 05m1 stop
$539Turkish Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
Icelandair Logo
7:30 pm - 12:55 pmORD-HEL
10h 25m1 stop
Icelandair Logo
1:55 pm - 6:20 pmHEL-ORD
11h 25m1 stop
$552Icelandair
Find Deal
Tue, Oct 28 - Sat, Nov 1
Icelandair Logo
7:25 pm - 2:00 pmORD-HEL
10h 35m1 stop
Icelandair Logo
1:55 pm - 5:20 pmHEL-ORD
11h 25m1 stop
$563Icelandair
Find Deal
Mon, Oct 20 - Wed, Nov 5
Turkish Airlines Logo
7:50 pm - 12:35 pmORD-HEL
32h 45m1 stop
Turkish Airlines Logo
12:30 pm - 11:05 amHEL-ORD
29h 35m1 stop
$576Turkish Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
Logo
6:00 am - 2:00 pmORD-HEL
24h 00m3 stops
Logo
3:00 pm - 6:38 pmHEL-ORD
35h 38m3 stops
$589
Find Deal
Tue, Oct 14 - Tue, Oct 21

Delta flights from Chicago O'Hare Intl Airport to Helsinki

Our best Delta deals on Chicago O'Hare Intl Airport to Helsinki flight tickets
Delta
Sep 23
ORD2:05 pmChicago O'Hare Intl
18h 35m
2 stops
HEL4:40 pmHelsinki-Vantaa
Sep 30
HEL6:40 amHelsinki-Vantaa
16h 20m
1 stop
ORD3:00 pmChicago O'Hare Intl
$691
Find similar
Delta
Sep 23
ORD2:05 pmChicago O'Hare Intl
18h 35m
2 stops
HEL4:40 pmHelsinki-Vantaa
Sep 30
HEL6:40 amHelsinki-Vantaa
19h 19m
2 stops
ORD5:59 pmChicago O'Hare Intl
$700
Find similar
Delta
Sep 27
ORD4:15 pmChicago O'Hare Intl
12h 45m
1 stop
HEL1:00 pmHelsinki-Vantaa
Oct 6
HEL7:10 amHelsinki-Vantaa
18h 12m
2 stops
ORD5:22 pmChicago O'Hare Intl
$798
Find similar

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
Oct 23
ORD7:50 pmChicago O'Hare Intl
31h 50m
1 stop
HEL11:40 amHelsinki-Vantaa
Oct 28
HEL7:00 pmHelsinki-Vantaa
23h 05m
1 stop
ORD11:05 amChicago O'Hare Intl
$539
Find similar
Turkish Airlines
Oct 24
ORD7:50 pmChicago O'Hare Intl
32h 45m
1 stop
HEL12:35 pmHelsinki-Vantaa
Oct 28
HEL12:30 pmHelsinki-Vantaa
29h 35m
1 stop
ORD11:05 amChicago O'Hare Intl
$576
Find similar
Turkish Airlines
Sep 27
ORD7:50 pmChicago O'Hare Intl
31h 50m
1 stop
HEL11:40 amHelsinki-Vantaa
Oct 6
HEL7:35 pmHelsinki-Vantaa
22h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$812
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 September 15, 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

Tue 10/28

10:25 am-3:25 pm

2 stops22h 00m

Helsinki-Vantaa

Tue 11/4

8:55 pm-4:45 pm

2 stops27h 50m

$370

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 10/20

7:15 pm-12:05 am

1 stop20h 50m

Helsinki-Vantaa

Wed 11/5

11:20 am-4:45 pm

1 stop13h 25m

$402

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 10/28

10:25 am-10:40 am

2 stops17h 15m

Helsinki-Vantaa

Sat 11/1

6:15 am-5:45 pm

1 stop18h 30m

$408

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 10/20

7:15 pm-4:55 pm

2 stops13h 40m

Helsinki-Vantaa

Wed 11/5

11:20 am-4:45 pm

1 stop13h 25m

$409

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 10/20

7:15 pm-12:05 am

1 stop20h 50m

Helsinki-Vantaa

Wed 11/5

7:00 am-4:45 pm

2 stops17h 45m

$412

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 10/23

7:50 pm-11:40 am

1 stop31h 50m

Helsinki-Vantaa

Tue 10/28

7:00 pm-11:05 am

1 stop23h 05m

$539

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 10/28

7:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Sat 11/1

1:55 pm-6:20 pm

1 stop11h 25m

$552

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 10/20

7:25 pm-2:00 pm

1 stop10h 35m

Helsinki-Vantaa

Wed 11/5

1:55 pm-5:20 pm

1 stop11h 25m

$563

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 10/24

7:50 pm-12:35 pm

1 stop32h 45m

Helsinki-Vantaa

Tue 10/28

12:30 pm-11:05 am

1 stop29h 35m

$576

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 10/14

6:00 am-2:00 pm

3 stops24h 00m

Helsinki-Vantaa

Tue 10/21

3:00 pm-6:38 pm

3 stops35h 38m

$589

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 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 $521. If you aren’t able to travel during the month of February, then book flights to Helsinki from Chicago O'Hare Intl Airport during September instead. Flights to Helsinki in September, while not as cheap as those in February, still average around $615.

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 $784. 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 $924. 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 $856 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 $786 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 $604 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 23% 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

$597

Direct flights

None
The best one-way flight to Helsinki from Chicago O'Hare Intl Airport in the past 72 hours is $597. The best round-trip flight deal from Chicago O'Hare Intl Airport to Helsinki found on momondo in the last 72 hours is $677.
There are no direct flights from Chicago O'Hare Intl Airport to Helsinki. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Helsinki-Vantaa Airport.
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 10h 25m 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 $398Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $430Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom $505Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
American AirlinesPriceFrom $576Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
LufthansaPriceFrom $625Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
FinnairPriceFrom $664Free CancellationRating
7.6
1,323 reviews
Search Finnair flights

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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