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Cheap flights from Chicago O'Hare Intl Airport to Helsinki from $290

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 3/5. 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

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 12:55 pm
ORD
-
HEL
10h 25m1 stop
Icelandair Logo
1:55 pm - 5:20 pm
HEL
-
ORD
11h 25m1 stop
$391Icelandair
Fri, Jan 23 - Fri, Jan 30
Scandinavian Airlines Logo
7:01 am - 10:40 am
ORD
-
HEL
19h 39m2 stops
Scandinavian Airlines Logo
11:20 am - 4:45 pm
HEL
-
ORD
13h 25m1 stop
$406Scandinavian Airlines
Thu, Jan 29 - Thu, Feb 12
Scandinavian Airlines Logo
10:29 am - 10:40 am
ORD
-
HEL
16h 11m2 stops
Scandinavian Airlines Logo
6:15 am - 4:45 pm
HEL
-
ORD
18h 30m1 stop
$414Scandinavian Airlines
Thu, Jan 29 - Wed, Feb 11
Scandinavian Airlines Logo
7:01 am - 10:40 am
ORD
-
HEL
19h 39m2 stops
Scandinavian Airlines Logo
11:20 am - 4:45 pm
HEL
-
ORD
13h 25m1 stop
$416Scandinavian Airlines
Thu, Jan 29 - Wed, Feb 11
Scandinavian Airlines Logo
7:01 am - 10:40 am
ORD
-
HEL
19h 39m2 stops
Scandinavian Airlines Logo
7:00 am - 4:45 pm
HEL
-
ORD
17h 45m2 stops
$421Scandinavian Airlines
Thu, Jan 29 - Wed, Feb 11
Scandinavian Airlines Logo
10:29 am - 3:25 pm
ORD
-
HEL
20h 56m2 stops
Scandinavian Airlines Logo
6:15 am - 4:45 pm
HEL
-
ORD
18h 30m1 stop
$425Scandinavian Airlines
Thu, Feb 5 - Mon, Feb 9
Scandinavian Airlines Logo
10:29 am - 3:25 pm
ORD
-
HEL
20h 56m2 stops
Scandinavian Airlines Logo
7:00 am - 4:45 pm
HEL
-
ORD
17h 45m2 stops
$432Scandinavian Airlines
Thu, Feb 5 - Mon, Feb 9
Scandinavian Airlines Logo
7:10 pm - 1:35 am
ORD
-
HEL
22h 25m1 stop
Scandinavian Airlines Logo
6:15 am - 4:45 pm
HEL
-
ORD
18h 30m1 stop
$434Scandinavian Airlines
Thu, Jan 29 - Thu, Feb 12
Scandinavian Airlines Logo
7:20 pm - 3:25 pm
ORD
-
HEL
12h 05m1 stop
Scandinavian Airlines Logo
6:15 am - 4:45 pm
HEL
-
ORD
18h 30m1 stop
$435Scandinavian Airlines
Thu, Feb 5 - Mon, Feb 9
Scandinavian Airlines Logo
6:25 pm - 10:40 am
ORD
-
HEL
32h 15m2 stops
Scandinavian Airlines Logo
9:00 pm - 4:55 pm
HEL
-
ORD
27h 55m1 stop
$436Scandinavian Airlines
Mon, Mar 2 - Thu, Mar 5

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
Jan 23
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
HEL12:55 pmHelsinki-Vantaa
Jan 30
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$391
Find similar
Icelandair
Mar 23
ORD7:30 pmChicago O'Hare Intl
10h 25m
1 stop
HEL12:55 pmHelsinki-Vantaa
Apr 1
HEL3:00 pmHelsinki-Vantaa
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
$452
Find similar
Icelandair
Mar 3
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 8
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$454
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
Dec 15
ORD6:10 pmChicago O'Hare Intl
16h 40m
2 stops
HEL6:50 pmHelsinki-Vantaa
Dec 22
HEL7:35 pmHelsinki-Vantaa
26h 35m
2 stops
ORD2:10 pmChicago O'Hare Intl
$813
Find similar
Lufthansa
Dec 14
ORD9:05 pmChicago O'Hare Intl
30h 55m
2 stops
HEL12:00 pmHelsinki-Vantaa
Dec 22
HEL7:35 pmHelsinki-Vantaa
26h 35m
2 stops
ORD2:10 pmChicago O'Hare Intl
$830
Find similar
Lufthansa
Dec 14
ORD9:05 pmChicago O'Hare Intl
30h 55m
2 stops
HEL12:00 pmHelsinki-Vantaa
Dec 22
HEL6:55 amHelsinki-Vantaa
14h 15m
1 stop
ORD1:10 pmChicago O'Hare Intl
$984
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 December 11, 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

Fri 1/23

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Fri 1/30

1:55 pm-5:20 pm

1 stop11h 25m

$391

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

7:01 am-10:40 am

2 stops19h 39m

Helsinki-Vantaa

Thu 2/12

11:20 am-4:45 pm

1 stop13h 25m

$406

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

10:29 am-10:40 am

2 stops16h 11m

Helsinki-Vantaa

Wed 2/11

6:15 am-4:45 pm

1 stop18h 30m

$414

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

7:01 am-10:40 am

2 stops19h 39m

Helsinki-Vantaa

Wed 2/11

11:20 am-4:45 pm

1 stop13h 25m

$416

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

7:01 am-10:40 am

2 stops19h 39m

Helsinki-Vantaa

Wed 2/11

7:00 am-4:45 pm

2 stops17h 45m

$421

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 2/5

10:29 am-3:25 pm

2 stops20h 56m

Helsinki-Vantaa

Mon 2/9

6:15 am-4:45 pm

1 stop18h 30m

$425

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 2/5

10:29 am-3:25 pm

2 stops20h 56m

Helsinki-Vantaa

Mon 2/9

7:00 am-4:45 pm

2 stops17h 45m

$432

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

7:10 pm-1:35 am

1 stop22h 25m

Helsinki-Vantaa

Thu 2/12

6:15 am-4:45 pm

1 stop18h 30m

$434

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 2/5

7:20 pm-3:25 pm

1 stop12h 05m

Helsinki-Vantaa

Mon 2/9

6:15 am-4:45 pm

1 stop18h 30m

$435

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 3/2

6:25 pm-10:40 am

2 stops32h 15m

Helsinki-Vantaa

Thu 3/5

9:00 pm-4:55 pm

1 stop27h 55m

$436

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $518. If you aren’t able to travel during the month of February, then book flights to Helsinki from Chicago O'Hare Intl Airport during March instead. Flights to Helsinki in March, while not as cheap as those in February, still average around $646.

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 $778. 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 $936. 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 $851 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 $800 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 $503 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 3% 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

$548

Fastest flight time

8h 45m

Direct flights

Mon, Thu, Fri, Sat and Sun

Airports in Helsinki

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Helsinki found on momondo in the last 72 hours is $548
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, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Helsinki. From Chicago O'Hare Intl Airport there are direct flights to 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 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?

  • 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 $394Free CancellationRating
7.4
1,605 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $419Free CancellationRating
7.0
589 reviews
Search Icelandair flights
American AirlinesPriceFrom $603Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
LufthansaPriceFrom $625Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
United AirlinesPriceFrom $644Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
British AirwaysPriceFrom $660Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
FinnairPriceFrom $664Free CancellationRating
7.6
1,334 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
Lahti
Kotka

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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