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Finland

$309+ Cheap flights from Illinois to Finland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
févr. 28 — mars 71
sam. 2/28
sam. 3/7
1 adult, Economy
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Cheap flight deals from Illinois to Finland

Cheapest flights from Illinois to Finland
Explore the most affordable flight options available from Illinois to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/157:15 pm
ORD
-
HEL
1 stop17h 10m
Scandinavian Airlines
dim. 4/194:00 pm
HEL
-
ORD
1 stop32h 10m
Scandinavian Airlines
Deal found 1/27$375
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/17:20 pm
ORD
-
HEL
1 stop31h 20m
Scandinavian Airlines
lun. 11/911:20 am
HEL
-
ORD
1 stop13h 25m
Scandinavian Airlines
Deal found 1/27$410
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/98:20 pm
ORD
-
HEL
2 stops20h 25m
Scandinavian Airlines
lun. 3/166:15 am
HEL
-
ORD
1 stop18h 30m
Scandinavian Airlines
Deal found 1/28$411
This oojo deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/187:20 pm
ORD
-
HEL
1 stop12h 05m
Scandinavian Airlines
mer. 3/116:15 am
HEL
-
ORD
1 stop18h 30m
Scandinavian Airlines
Deal found 1/29$445
This CrystalTravel deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/16:30 pm
ORD
-
HEL
1 stop10h 25m
Icelandair
jeu. 3/51:55 pm
HEL
-
ORD
1 stop11h 25m
Icelandair
Deal found 1/27$453
This deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/176:30 pm
ORD
-
HEL
1 stop10h 25m
Icelandair
mar. 2/241:55 pm
HEL
-
ORD
1 stop11h 25m
Icelandair
Deal found 1/27$458
This deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/186:30 pm
ORD
-
HEL
1 stop10h 25m
Icelandair
mar. 2/241:55 pm
HEL
-
ORD
1 stop11h 25m
Icelandair
Deal found 1/27$459
This Finnair deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/16:00 am
STL
-
HEL
1 stop24h 15m
Multiple Airlines
mer. 4/84:25 pm
HEL
-
STL
1 stop23h 58m
Multiple Airlines
Deal found 1/28$484
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/11:39 pm
STL
-
HEL
2 stops16h 21m
American Airlines
mer. 4/84:25 pm
HEL
-
STL
1 stop13h 49m
American Airlines
Deal found 1/28$489
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/18:54 am
STL
-
HEL
2 stops26h 01m
United Airlines
mer. 4/81:55 pm
HEL
-
STL
2 stops17h 01m
United Airlines
Deal found 1/28$500
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/211:46 am
STL
-
HEL
1 stop14h 59m
American Airlines
jeu. 4/94:25 pm
HEL
-
STL
1 stop15h 23m
American Airlines
Deal found 1/28$534
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/26:05 pm
STL
-
HEL
2 stops16h 50m
United Airlines
jeu. 4/96:35 am
HEL
-
STL
2 stops24h 21m
United Airlines
Deal found 1/28$550

Find flight deals from Illinois to Finland

Keep the following information in mind while searching for Illinois to Finland flight deals. Data was last updated janvier 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$375
(oojo)

One-way from

$309
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$707

Good round-trip deal

$686 or less

Good one-way deal

$289 or less
Provider with most accurate pricing for Chicago (CHI)-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Helsinki-Vantaa flights.
Search Deals
From Illinois to Finland
Search Deals
One-way flight from Illinois to Finland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Finland.
Search Deals
Price to beat on a one-way flight from Illinois to Finland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Finland 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, Cheapflights users made 2,558,603 searches. Data last updated janvier 29, 2026.
Use the filters below to find and compare flights from Illinois to Finland that are best for you.

Fly from

Illinois

Fly to

Finland

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mer. 4/15

7:15 pm-8:25 pm

1 stop17h 10m

Helsinki-Vantaa

dim. 4/19

11:55 am-4:10 pm

2 stops36h 15m

$376

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mer. 2/18

7:20 pm-3:25 pm

1 stop12h 05m

Helsinki-Vantaa

mer. 3/11

6:15 am-5:45 pm

1 stop18h 30m

$445

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mer. 3/4

7:20 pm-8:20 pm

1 stop17h 00m

Helsinki-Vantaa

dim. 3/8

9:00 pm-5:45 pm

1 stop27h 45m

$476

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

ven. 5/1

7:25 pm-2:00 pm

1 stop10h 35m

Helsinki-Vantaa

ven. 5/15

3:00 pm-9:25 pm

1 stop14h 25m

$478

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

mer. 4/1

6:00 am-2:15 pm

1 stop24h 15m

Helsinki-Vantaa

mer. 4/8

4:25 pm-8:23 am

1 stop23h 58m

$484

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

mer. 4/1

9:37 am-2:15 pm

1 stop20h 38m

Helsinki-Vantaa

mer. 4/8

4:25 pm-10:14 pm

1 stop13h 49m

$484

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

mer. 4/1

8:54 am-6:55 pm

2 stops26h 01m

Helsinki-Vantaa

mer. 4/8

1:55 pm-10:56 pm

2 stops17h 01m

$500

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

ven. 2/27

7:20 pm-3:25 pm

1 stop12h 05m

Helsinki-Vantaa

ven. 3/6

7:00 am-4:55 pm

2 stops17h 55m

$516

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mar. 4/28

6:50 am-10:35 am

2 stops19h 45m

Helsinki-Vantaa

mer. 5/6

11:15 am-4:10 pm

1 stop12h 55m

$550

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

jeu. 4/2

9:35 am-10:45 am

1 stop17h 10m

Helsinki-Vantaa

jeu. 4/9

12:35 pm-10:14 pm

2 stops17h 39m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 49 results
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Best time to book a flight from Illinois to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Finland

What is the cheapest month to book a flight from Illinois to Finland?

Currently, February is the cheapest month in which you can book a flight from Illinois to Finland (average of $398). Flying from Illinois to Finland in June is currently the most expensive (average of $838). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Finland?

    Scandinavian Airlines, American Airlines, and United Airlines can get you from Illinois to Finland in just under 17h 10m. Your travel time can differ by up to 8h 51m. The distance from Illinois to Finland is about 4420 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Finland one-way?

    The cheapest airlines for a one-way flight from Illinois to Finland are Icelandair ($198), Finnair ($501), and KLM ($609).

  • Can I find deals for flights from Illinois to Finland that include hotel bookings?

    Yes. In addition to deals on Illinois to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Finland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Finland.

  • Can I find deals for business class flights from Illinois to Finland?

    Yes. Cheapflights offers flight deals from Illinois to Finland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Finland?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Finland (average of $398). Flying from Illinois to Finland in June is currently the most expensive (average of $838). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Finland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Finland

Discover the top 6 airlines that operate flights from Illinois to Finland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janvier 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$419Average$663FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$428Average$561FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$625Average$890FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$644Average$1,057FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$653Average$996FlexibilityNo cancel feeOn-time71%
FinnairCheapest$658Average$928FlexibilityNo cancel feeOn-time76%

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