Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Helsinki from $305

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 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Scandinavian Airlines Logo
7:10 am - 3:25 pmORD-HEL
24h 15m2 stops
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
$386Scandinavian Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Scandinavian Airlines Logo
10:24 am - 3:25 pmORD-HEL
21h 01m2 stops
Scandinavian Airlines Logo
7:00 am - 4:45 pmHEL-ORD
17h 45m2 stops
$393Scandinavian Airlines
Find Deal
Tue, Jan 27 - Mon, Feb 9
Scandinavian Airlines Logo
7:10 am - 10:40 amORD-HEL
19h 30m2 stops
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
$398Scandinavian Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Scandinavian Airlines Logo
7:10 am - 10:40 amORD-HEL
19h 30m2 stops
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
$402Scandinavian Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Scandinavian Airlines Logo
7:10 am - 10:40 amORD-HEL
19h 30m2 stops
Scandinavian Airlines Logo
3:35 pm - 4:45 pmHEL-ORD
33h 10m2 stops
$408Scandinavian Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Scandinavian Airlines Logo
7:10 am - 10:40 amORD-HEL
19h 30m2 stops
Scandinavian Airlines Logo
3:35 pm - 4:45 pmHEL-ORD
33h 10m2 stops
$409Scandinavian Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Icelandair Logo
7:25 pm - 1:00 pmORD-HEL
10h 35m1 stop
Icelandair Logo
3:00 pm - 9:40 pmHEL-ORD
14h 40m1 stop
$459Icelandair
Find Deal
Sat, Mar 28 - Sun, Apr 5
Icelandair Logo
7:25 pm - 1:00 pmORD-HEL
10h 35m1 stop
Icelandair Logo
3:00 pm - 9:40 pmHEL-ORD
14h 40m1 stop
$460Icelandair
Find Deal
Sat, Mar 28 - Sun, Apr 5
Multiple Airlines Logo
7:20 pm - 10:25 pmORD-HEL
19h 05m2 stops
Multiple Airlines Logo
12:05 am - 4:45 pmHEL-ORD
24h 40m2 stops
$516Multiple Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13
Turkish Airlines Logo
7:50 pm - 11:15 amORD-HEL
31h 25m1 stop
Turkish Airlines Logo
12:10 pm - 9:40 amHEL-ORD
29h 30m1 stop
$523Turkish Airlines
Find Deal
Tue, Mar 31 - Tue, Apr 28

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 7
ORD7:10 amChicago O'Hare Intl
24h 15m
2 stops
HEL3:25 pmHelsinki-Vantaa
Dec 14
HEL6:15 amHelsinki-Vantaa
18h 30m
1 stop
ORD4:45 pmChicago O'Hare Intl
$386
Find similar
Scandinavian Airlines
Jan 27
ORD10:24 amChicago O'Hare Intl
21h 01m
2 stops
HEL3:25 pmHelsinki-Vantaa
Feb 9
HEL7:00 amHelsinki-Vantaa
17h 45m
2 stops
ORD4:45 pmChicago O'Hare Intl
$393
Find similar
Scandinavian Airlines
Dec 7
ORD7:10 amChicago O'Hare Intl
19h 30m
2 stops
HEL10:40 amHelsinki-Vantaa
Dec 14
HEL6:15 amHelsinki-Vantaa
18h 30m
1 stop
ORD4:45 pmChicago O'Hare Intl
$398
Find similar

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
Mar 28
ORD7:25 pmChicago O'Hare Intl
10h 35m
1 stop
HEL1:00 pmHelsinki-Vantaa
Apr 5
HEL3:00 pmHelsinki-Vantaa
14h 40m
1 stop
ORD9:40 pmChicago O'Hare Intl
$459
Find similar
Icelandair
Mar 28
ORD7:25 pmChicago O'Hare Intl
10h 35m
1 stop
HEL1:00 pmHelsinki-Vantaa
Apr 5
HEL3:00 pmHelsinki-Vantaa
14h 40m
1 stop
ORD9:40 pmChicago O'Hare Intl
$460
Find similar
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
$466
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 November 3, 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

Sun 12/7

7:10 am-3:25 pm

2 stops24h 15m

Helsinki-Vantaa

Sun 12/14

6:15 am-4:45 pm

1 stop18h 30m

$386

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 1/27

10:24 am-3:25 pm

2 stops21h 01m

Helsinki-Vantaa

Mon 2/9

7:00 am-4:45 pm

2 stops17h 45m

$393

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 12/7

7:10 am-10:40 am

2 stops19h 30m

Helsinki-Vantaa

Sun 12/14

6:15 am-4:45 pm

1 stop18h 30m

$398

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 12/7

7:10 am-10:40 am

2 stops19h 30m

Helsinki-Vantaa

Sun 12/14

6:15 am-4:45 pm

1 stop18h 30m

$402

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 12/7

7:10 am-10:40 am

2 stops19h 30m

Helsinki-Vantaa

Sun 12/14

3:35 pm-4:45 pm

2 stops33h 10m

$408

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 12/7

7:10 am-10:40 am

2 stops19h 30m

Helsinki-Vantaa

Sun 12/14

3:35 pm-4:45 pm

2 stops33h 10m

$409

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sat 3/28

7:25 pm-1:00 pm

1 stop10h 35m

Helsinki-Vantaa

Sun 4/5

3:00 pm-9:40 pm

1 stop14h 40m

$459

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sat 3/28

7:25 pm-1:00 pm

1 stop10h 35m

Helsinki-Vantaa

Sun 4/5

3:00 pm-9:40 pm

1 stop14h 40m

$460

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 12/7

7:20 pm-10:25 pm

2 stops19h 05m

Helsinki-Vantaa

Sat 12/13

12:05 am-4:45 pm

2 stops24h 40m

$516

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 3/31

7:50 pm-11:15 am

1 stop31h 25m

Helsinki-Vantaa

Tue 4/28

12:10 pm-9:40 am

1 stop29h 30m

$523

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 $524. 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 $620.

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 $782. 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 $930. 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 $852 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 $789 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 $602 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 14% 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

$553

Fastest flight time

8h 45m

Direct flights

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 $553
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 Sunday. There are no airlines offering direct flights.
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 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 $409Free CancellationRating
7.4
1,556 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $445Free CancellationRating
7.1
568 reviews
Search Icelandair flights
British AirwaysPriceFrom $579Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
American AirlinesPriceFrom $603Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
LufthansaPriceFrom $625Free CancellationRating
6.8
7,545 reviews
Search Lufthansa flights
United AirlinesPriceFrom $644Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
FinnairPriceFrom $664Free CancellationRating
7.6
1,335 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.

An easier way to manage your Helsinki trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 12/3
Wed 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland