How does KAYAK find such low prices on flights from Illinois to Helsinki?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Helsinki.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Helsinki?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Helsinki?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helsinki with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Helsinki?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helsinki from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$307 CHEAP FLIGHTS from Illinois to Helsinki

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Flight Deals

Cheap Flights from Illinois to Helsinki

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Helsinki

Tue, Dec 1 - Sun, Dec 6

7:15 pm - 1:35 amORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

22h 20m1 stop Kastrup Copenhagen

11:15 am - 4:45 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

13h 30m1 stop Kastrup Copenhagen

$480Scandinavian Airlines

Sun, Jan 24 - Sun, Jan 31

6:30 pm - 1:00 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

10h 30m1 stop Reykjavik Keflavik Intl

2:00 pm - 5:20 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

11h 20m1 stop Reykjavik Keflavik Intl

$503Icelandair

Tue, Dec 1 - Sun, Dec 6

7:15 pm - 10:35 amORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

31h 20m1 stop Kastrup Copenhagen

5:20 pm - 4:45 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

31h 25m2 stops Stockholm Arlanda Kastrup Copenhagen

$504Scandinavian Airlines

Tue, Dec 1 - Tue, Dec 8

6:30 pm - 1:00 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

10h 30m1 stop Reykjavik Keflavik Intl

2:00 pm - 5:20 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

11h 20m1 stop Reykjavik Keflavik Intl

$536Icelandair

Sun, Dec 6 - Mon, Dec 14

6:30 pm - 10:25 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

19h 55m2 stops Reykjavik Keflavik Intl Stockholm Arlanda

7:20 am - 5:20 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

18h 00m2 stops Stockholm Arlanda Reykjavik Keflavik Intl

$584Multiple Airlines

Sun, Dec 6 - Sun, Dec 13

6:30 pm - 7:20 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

16h 50m2 stops Reykjavik Keflavik Intl Stockholm Arlanda

11:00 am - 5:20 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

14h 20m2 stops Stockholm Arlanda Reykjavik Keflavik Intl

$584Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

11:32 am - 2:10 pmSTL Lambert-St Louis-HEL Helsinki-Vantaa

19h 38m1 stop Chicago O'Hare Intl

12:30 pm - 8:19 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

15h 49m1 stop Dallas/Fort Worth

$626American Airlines

Thu, Oct 15 - Thu, Oct 22

6:32 am - 11:00 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

20h 28m1 stop Dallas/Fort Worth

12:20 pm - 7:48 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

15h 28m1 stop Dallas/Fort Worth

$626American Airlines

Wed, Dec 2 - Tue, Dec 8

12:58 pm - 10:30 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

13h 32m1 stop Dallas/Fort Worth

1:25 pm - 9:47 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

16h 22m1 stop Miami

$635Finnair

Mon, Oct 12 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$667Finnair

Recent last minute flight deals from Illinois to Helsinki

Mon, Sep 21 - Wed, Sep 30

3:30 pm - 5:00 pmSTL Lambert-St Louis-HEL Helsinki-Vantaa

17h 30m1 stop Frankfurt am Main

12:50 pm - 3:43 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

34h 53m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$851Lufthansa

Mon, Sep 21 - Wed, Sep 30

6:53 pm - 12:30 amSTL Lambert-St Louis-HEL Helsinki-Vantaa

21h 37m2 stops Chicago O'Hare Intl Frankfurt am Main

12:50 pm - 3:43 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

34h 53m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$856Lufthansa

Mon, Sep 21 - Wed, Sep 30

3:30 pm - 1:10 pmSTL Lambert-St Louis-HEL Helsinki-Vantaa

13h 40m1 stop Frankfurt am Main

6:35 am - 1:25 pmHEL Helsinki-Vantaa-STL Lambert-St Louis

14h 50m1 stop Frankfurt am Main

$870Lufthansa

Sat, Sep 19 - Mon, Sep 21

4:15 pm - 5:40 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

17h 25m1 stop Amsterdam Schiphol

7:00 am - 2:30 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

15h 30m1 stop Amsterdam Schiphol

$938Air France

Sat, Sep 19 - Mon, Sep 21

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:20 pm - 12:32 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

28h 12m1 stop Seattle/Tacoma Intl

$1,051British Airways

Sat, Sep 19 - Sun, Sep 27

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

5:15 pm - 7:44 amHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

22h 29m1 stop New York John F Kennedy Intl

$1,093British Airways

Sat, Sep 19 - Sun, Sep 27

9:15 pm - 11:00 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

17h 45m1 stop London Heathrow

5:15 pm - 7:44 amHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

22h 29m1 stop New York John F Kennedy Intl

$1,140British Airways

Sat, Sep 19 - Sun, Sep 27

7:15 pm - 10:35 amORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

31h 20m1 stop Kastrup Copenhagen

9:05 pm - 9:37 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

32h 32m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$1,162Scandinavian Airlines

Sat, Sep 19 - Sun, Sep 27

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$1,218British Airways

Sat, Sep 19 - Mon, Sep 21

9:38 am - 2:00 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

20h 22m2 stops Boston Logan Intl Reykjavik Keflavik Intl

12:30 pm - 6:15 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

13h 45m2 stops Stockholm Arlanda Reykjavik Keflavik Intl

$6,204Icelandair

Recent direct flight deals from Illinois to Helsinki

Mon, Oct 12 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$667Finnair

Sun, Oct 4 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$668Finnair

Sun, Oct 4 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$669Finnair

Sun, Oct 4 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$704British Airways

Sun, Oct 4 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$705American Airlines

Tue, Oct 6 - Tue, Oct 13

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$707British Airways

Sun, Oct 4 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$707American Airlines

Sun, Oct 4 - Tue, Oct 20

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$707Iberia

Tue, Oct 13 - Thu, Oct 29

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:20 pm - 6:45 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$707Iberia

Fri, Oct 16 - Mon, Oct 19

9:30 pm - 2:15 pmORD Chicago O'Hare Intl-HEL Helsinki-Vantaa

8h 45mnonstop

4:25 pm - 5:50 pmHEL Helsinki-Vantaa-ORD Chicago O'Hare Intl

9h 25mnonstop

$807British Airways

Useful Info

Low season	September
High season	December
Cheapest flight	$307

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly with an average 14% increase in price.

Flight from Chicago to Helsinki

How does KAYAK find such low prices on flights from Illinois to Helsinki?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Helsinki.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Helsinki?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Helsinki?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helsinki with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Helsinki?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helsinki from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.