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$287+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to Finland

Keep the following information in mind while searching for Illinois to Finland flight deals. Data was last updated September 17, 2025.

Round-trip from

$402
(Ticket)

One-way from

$287
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$716

Good round-trip deal

$677 or less

Good one-way deal

$597 or less
From Illinois to Finland
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One-way flight from Illinois to Finland
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Highest demand for flights based on searches. 24% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Finland.
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Price to beat on a one-way flight from Illinois to Finland.
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Find 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 September 17, 2025.

This Ticket deal was found by Cheapflights users on 9/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:15 pmORD - HEL
1 stop12h 10mScandinavian Airlines
Wed 11/56:15 amHEL - ORD
1 stop18h 30mScandinavian Airlines
Deal found 9/16$402
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:31 amORD - HEL
2 stops16h 09mScandinavian Airlines
Tue 12/98:55 pmHEL - ORD
2 stops27h 50mScandinavian Airlines
Deal found 9/17$410
This Scandinavian Airlines deal was found by Cheapflights users on 9/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:10 amORD - HEL
2 stops19h 30mScandinavian Airlines
Tue 11/188:55 pmHEL - ORD
2 stops27h 50mScandinavian Airlines
Deal found 9/16$420
This oojo deal was found by Cheapflights users on 9/16. 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.
Mon 11/107:20 pmORD - HEL
1 stop22h 15mScandinavian Airlines
Mon 11/177:00 amHEL - ORD
2 stops17h 45mScandinavian Airlines
Deal found 9/16$423
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:31 amORD - HEL
2 stops16h 09mScandinavian Airlines
Fri 12/124:05 pmHEL - ORD
1 stop32h 40mScandinavian Airlines
Deal found 9/17$425
This CrystalTravel deal was found by Cheapflights users on 9/17. 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.
Sun 12/77:20 pmORD - HEL
1 stop22h 15mScandinavian Airlines
Sat 12/136:15 amHEL - ORD
1 stop18h 30mScandinavian Airlines
Deal found 9/17$428
This CrystalTravel deal was found by Cheapflights users on 9/16. 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.
Sun 11/27:20 pmORD - HEL
2 stops20h 25mScandinavian Airlines
Sun 11/96:15 amHEL - ORD
1 stop18h 30mScandinavian Airlines
Deal found 9/16$431
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:31 amORD - HEL
2 stops31h 04mScandinavian Airlines
Mon 12/158:55 pmHEL - ORD
2 stops51h 50mScandinavian Airlines
Deal found 9/17$432
This Finnair deal was found by Cheapflights users on 9/17. 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.
Sun 10/198:49 amSTL - HEL
1 stop17h 56mMultiple Airlines
Tue 10/2812:30 pmHEL - STL
1 stop15h 23mMultiple Airlines
Deal found 9/17$432
This oojo deal was found by Cheapflights users on 9/14. 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.
Wed 12/37:20 pmORD - HEL
1 stop17h 00mScandinavian Airlines
Wed 12/104:10 pmHEL - ORD
2 stops32h 35mScandinavian Airlines
Deal found 9/14$433
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:31 amSTL - HEL
2 stops17h 04mDelta
Fri 10/316:30 amHEL - STL
2 stops20h 38mDelta
Deal found 9/16$474
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:31 amSTL - HEL
2 stops17h 04mDelta
Tue 10/282:05 pmHEL - STL
2 stops31h 38mDelta
Deal found 9/16$475

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 September 17, 2025.
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

Thu 11/13

7:10 am-10:40 am

2 stops19h 30m

Helsinki-Vantaa

Tue 11/18

8:55 pm-4:45 pm

2 stops27h 50m

$420

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

8:49 am-10:45 am

1 stop17h 56m

Helsinki-Vantaa

Tue 10/28

4:50 pm-9:46 am

1 stop23h 56m

$432

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/12

7:20 pm-9:05 pm

2 stops17h 45m

Helsinki-Vantaa

Tue 11/18

4:10 pm-4:45 pm

2 stops32h 35m

$434

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 12/12

7:10 am-1:35 am

2 stops34h 25m

Helsinki-Vantaa

Tue 12/23

4:05 pm-4:45 pm

1 stop32h 40m

$454

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/5

7:20 pm-1:35 am

1 stop22h 15m

Helsinki-Vantaa

Wed 11/12

11:20 am-4:45 pm

1 stop13h 25m

$454

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/5

7:20 pm-1:35 am

1 stop22h 15m

Helsinki-Vantaa

Tue 11/11

4:05 pm-4:45 pm

1 stop32h 40m

$464

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 11/3

7:20 pm-8:20 pm

1 stop17h 00m

Helsinki-Vantaa

Fri 11/7

6:15 am-4:45 pm

1 stop18h 30m

$464

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/5

7:20 pm-9:05 pm

2 stops17h 45m

Helsinki-Vantaa

Mon 11/10

6:15 am-4:45 pm

1 stop18h 30m

$471

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 11/2

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

Fri 11/7

6:15 am-4:45 pm

1 stop18h 30m

$471

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 10/22

9:31 am-10:35 am

2 stops17h 04m

Helsinki-Vantaa

Thu 10/30

6:30 am-6:02 pm

2 stops18h 32m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 54 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, November is the cheapest month in which you can book a flight from Illinois to Finland (average of $444). Flying from Illinois to Finland in June is currently the most expensive (average of $1,082). 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.

What is the cheapest time of day to fly from IL to FI?

Find hourly flight availability from Illinois to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Finland as you normally would.

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, Delta, and American Airlines can get you from Illinois to Finland in just under 17h 04m. Your travel time can differ by up to 3h 31m. The distance from Illinois to Finland is about 4678 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from Illinois to Finland (average of $444). Flying from Illinois to Finland in June is currently the most expensive (average of $1,082). 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

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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 7 airlines flying from Illinois to Finland

Discover the top 7 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$398Average$552FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$430Average$674FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$505Average$821FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$576Average$958FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$612Average$989FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$625Average$1,092FlexibilityNo cancel feeOn-time76%
FinnairCheapest$664Average$931FlexibilityNo cancel feeOn-time76%

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