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$290+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:05 pmORD - HEL
2 stops30h 55mLufthansa
Mon 12/227:35 pmHEL - ORD
2 stops26h 35mLufthansa
Deal found 12/11$809
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:10 pmORD - HEL
2 stops16h 40mLufthansa
Mon 12/227:35 pmHEL - ORD
2 stops26h 35mLufthansa
Deal found 12/11$813
This Air France deal was found by Cheapflights users on 12/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:20 pmORD - HEL
1 stop21h 15mAir France
Mon 12/225:20 pmHEL - ORD
1 stop29h 50mAir France
Deal found 12/11$963
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 pmORD - HEL
1 stop22h 55mLufthansa
Wed 1/75:55 pmHEL - ORD
2 stops28h 15mLufthansa
Deal found 12/11$1,099
This oojo deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:30 pmORD - HEL
1 stop10h 25mIcelandair
Tue 12/161:55 pmHEL - ORD
1 stop11h 25mIcelandair
Deal found 12/10$1,273
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 pmORD - HEL
1 stop22h 55mLufthansa
Tue 1/67:35 pmHEL - ORD
2 stops26h 10mLufthansa
Deal found 12/11$1,323
This Icelandair deal was found by Cheapflights users on 12/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:25 pmMDW - HEL
2 stops14h 30mMultiple Airlines
Tue 12/161:55 pmHEL - MDW
2 stops16h 40mMultiple Airlines
Deal found 12/10$2,274
This Icelandair deal was found by Cheapflights users on 12/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:25 pmMDW - HEL
2 stops14h 30mMultiple Airlines
Mon 12/221:55 pmHEL - MDW
2 stops17h 10mMultiple Airlines
Deal found 12/10$2,711
This Delta deal was found by Cheapflights users on 12/11. 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.
Sun 12/2811:48 amMDW - HEL
2 stops20h 37mDelta
Mon 1/56:30 amHEL - MDW
2 stops20h 02mDelta
Deal found 12/11$5,621

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$391
(Kiwi.com)

One-way from

$290
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$533

Good round-trip deal

$548 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.
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From Illinois to Finland
Search Deals
One-way flight from Illinois to Finland
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($225 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 December 2025
Search Deals
Price to beat on a round-trip 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 December 12, 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 1/29

7:01 am-10:40 am

2 stops19h 39m

Helsinki-Vantaa

Wed 2/11

7:00 am-4:45 pm

2 stops17h 45m

$421

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 2/5

10:29 am-3:25 pm

2 stops20h 56m

Helsinki-Vantaa

Mon 2/9

6:15 am-4:45 pm

1 stop18h 30m

$425

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 1/20

10:29 am-10:40 am

2 stops16h 11m

Helsinki-Vantaa

Mon 1/26

11:20 am-4:45 pm

1 stop13h 25m

$425

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 3/2

6:25 pm-10:40 am

2 stops32h 15m

Helsinki-Vantaa

Thu 3/5

9:00 pm-4:55 pm

1 stop27h 55m

$436

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sat 2/28

7:20 pm-3:25 pm

1 stop12h 05m

Helsinki-Vantaa

Thu 3/12

6:15 am-5:45 pm

1 stop18h 30m

$444

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/15

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

Wed 1/21

4:10 pm-4:45 pm

2 stops32h 35m

$447

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 2/5

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Tue 2/10

1:55 pm-5:20 pm

1 stop11h 25m

$456

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 1/27

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Tue 2/10

1:55 pm-5:20 pm

1 stop11h 25m

$456

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 3/3

10:36 am-3:25 pm

3 stops20h 49m

Helsinki-Vantaa

Sun 3/8

6:55 am-4:45 pm

2 stops17h 50m

$457

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 1/28

9:57 am-6:50 pm

2 stops24h 53m

Helsinki-Vantaa

Sun 2/1

6:55 am-9:13 pm

2 stops22h 18m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 43 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, April is the cheapest month in which you can book a flight from Illinois to Finland (average of $393). Flying from Illinois to Finland in June is currently the most expensive (average of $890). 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 December 12, 2025.

It’s optimal to fly from Illinois to Finland at noon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

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, United Airlines, and Delta can get you from Illinois to Finland in just under 14h 41m. Your travel time can differ by up to 10h 12m. The distance from Illinois to Finland is about 4428 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 ($440), 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, April is the cheapest month in which you can book a flight from Illinois to Finland (average of $393). Flying from Illinois to Finland in June is currently the most expensive (average of $890). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$394Average$575FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$419Average$668FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$603Average$979FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$625Average$1,030FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$644Average$1,240FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$660Average$855FlexibilityNo cancel feeOn-time70%
FinnairCheapest$664Average$958FlexibilityNo cancel feeOn-time76%

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