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Cheap flights from Chicago to Helsinki from $283

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 to Helsinki departing on 10/11. 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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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
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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
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
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Tue, Oct 28 - Sat, Nov 1
Delta Logo
1:08 pm - 4:25 pmMDW-HEL
20h 17m2 stops
Delta Logo
6:30 am - 6:25 pmHEL-MDW
19h 55m2 stops
$700Delta
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Tue, Oct 28 - Tue, Nov 4
Delta Logo
9:35 am - 1:00 pmMDW-HEL
19h 25m2 stops
Delta Logo
6:30 am - 6:25 pmHEL-MDW
19h 55m2 stops
$726Delta
Find Deal
Mon, Oct 20 - Wed, Nov 5
Logo
7:04 pm - 10:45 amMDW-HEL
31h 41m1 stop
Logo
7:50 am - 11:55 pmHEL-MDW
24h 05m2 stops
$820
Find Deal
Mon, Nov 3 - Tue, Nov 18
Logo
5:10 am - 10:45 amMDW-HEL
22h 35m1 stop
Logo
8:15 am - 10:26 amHEL-MDW
33h 11m2 stops
$832
Find Deal
Mon, Oct 27 - Fri, Oct 31
KLM Logo
6:15 pm - 5:40 pmMDW-HEL
15h 25m2 stops
KLM Logo
7:00 am - 6:35 pmHEL-MDW
19h 35m2 stops
$968KLM
Find Deal
Sat, Sep 27 - Sat, Oct 4

Scandinavian Airlines flights from Chicago to Helsinki

Our best Scandinavian Airlines deals on Chicago to Helsinki flight tickets
Scandinavian Airlines
Oct 28
ORD10:25 amChicago O'Hare Intl
22h 00m
2 stops
HEL3:25 pmHelsinki-Vantaa
Nov 4
HEL8:55 pmHelsinki-Vantaa
27h 50m
2 stops
ORD4:45 pmChicago O'Hare Intl
$370
Find similar
Scandinavian Airlines
Oct 20
ORD7:15 pmChicago O'Hare Intl
20h 50m
1 stop
HEL12:05 amHelsinki-Vantaa
Nov 5
HEL11:20 amHelsinki-Vantaa
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$402
Find similar
Scandinavian Airlines
Oct 28
ORD10:25 amChicago O'Hare Intl
17h 15m
2 stops
HEL10:40 amHelsinki-Vantaa
Nov 1
HEL6:15 amHelsinki-Vantaa
18h 30m
1 stop
ORD5:45 pmChicago O'Hare Intl
$408
Find similar

KLM flights from Chicago to Helsinki

Our best KLM deals on Chicago to Helsinki flight tickets
KLM
Sep 26
ORD4:15 pmChicago O'Hare Intl
17h 25m
1 stop
HEL5:40 pmHelsinki-Vantaa
Sep 29
HEL1:55 pmHelsinki-Vantaa
32h 15m
1 stop
ORD2:10 pmChicago O'Hare Intl
$936
Find similar
KLM
Sep 26
ORD2:05 pmChicago O'Hare Intl
14h 55m
2 stops
HEL1:00 pmHelsinki-Vantaa
Sep 29
HEL1:55 pmHelsinki-Vantaa
32h 15m
1 stop
ORD2:10 pmChicago O'Hare Intl
$940
Find similar
KLM
Sep 27
MDW6:15 pmChicago Midway
15h 25m
2 stops
HEL5:40 pmHelsinki-Vantaa
Oct 4
HEL7:00 amHelsinki-Vantaa
19h 35m
2 stops
MDW6:35 pmChicago Midway
$968
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 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

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

MDW - HEL

MDWHEL

Chicago Midway

Tue 10/28

1:08 pm-4:25 pm

2 stops20h 17m

Helsinki-Vantaa

Tue 11/4

6:30 am-6:25 pm

2 stops19h 55m

$700

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Mon 10/20

9:35 am-1:00 pm

2 stops19h 25m

Helsinki-Vantaa

Wed 11/5

6:30 am-6:25 pm

2 stops19h 55m

$726

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Mon 11/3

7:04 pm-10:45 am

1 stop31h 41m

Helsinki-Vantaa

Tue 11/18

7:50 am-11:55 pm

2 stops24h 05m

$820

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Mon 10/27

5:10 am-10:45 am

1 stop22h 35m

Helsinki-Vantaa

Fri 10/31

8:15 am-10:26 am

2 stops33h 11m

$832

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Sat 9/27

6:15 pm-5:40 pm

2 stops15h 25m

Helsinki-Vantaa

Sat 10/4

7:00 am-6:35 pm

2 stops19h 35m

$968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helsinki from

How to get the cheapest flight ticket from Chicago 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 November is, on average, the cheapest month to fly to Helsinki from Chicago, with most prices found around $507. If you aren’t able to travel during the month of November, then book flights to Helsinki from Chicago during February instead. Flights to Helsinki in February, while not as cheap as those in November, still average around $518.

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 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 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 to Helsinki-Vantaa flight route?

Fly from Chicago O'Hare Intl to Helsinki-Vantaa for the best Chicago - 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 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 for as low as $604 on momondo.

What cabin class options are available on Chicago to Helsinki-Vantaa flights?

There are 3 cabin classes available to choose from on Chicago 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 to Helsinki flights?

You could potentially save up to 23% on your flight if you consider stops on a Chicago to Helsinki flight.

How have Chicago to Helsinki flight prices changed over time?

As of September 2025, prices for Chicago to Helsinki flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Helsinki (CHI to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Helsinki

Best Price Found

$597

Direct flights

None
The best one-way flight to Helsinki from Chicago in the past 72 hours is $597. The best round-trip flight deal from Chicago to Helsinki found on momondo in the last 72 hours is $857.
There are no direct flights from Chicago 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 to Helsinki-Vantaa by plane?

    Helsinki-Vantaa is 4425.3 mi away from Chicago. In terms of flight time, this usually takes a little over 10h 25m.

  • When did momondo last update prices for flights from Chicago to Helsinki-Vantaa Airport?

    Prices for flights from Chicago to Helsinki-Vantaa Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from Chicago to Helsinki-Vantaa Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Helsinki?

  • What is the most popular airline from Chicago to Helsinki?

Best airlines flying from Chicago to Helsinki

Compare and see reviews for airlines that fly from Chicago to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $398Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $444Free CancellationRating
7.0
546 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
8,931 reviews
Search United Airlines flights
LufthansaPriceFrom $625Free CancellationRating
6.8
7,409 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?

It is quick and easy to find Chicago to Helsinki flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helsinki that suits you.

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

Yes. All flights to Helsinki from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Chicago and Helsinki by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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