Finland

$315+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Apr 21 — Apr 281
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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 March 22, 2026.

This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:25 am
ORD
-
HEL
1 stop28h 30m
Turkish Airlines
Wed 5/67:35 pm
HEL
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 3/22$533
This FlightHub deal was found by Cheapflights users on 3/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:25 am
ORD
-
HEL
1 stop15h 45m
Turkish Airlines
Thu 4/307:35 pm
HEL
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 3/19$574
This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:25 am
ORD
-
HEL
1 stop23h 15m
Turkish Airlines
Sun 4/267:35 pm
HEL
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 3/22$589
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:10 pm
ORD
-
HEL
1 stop19h 45m
Turkish Airlines
Sun 4/127:35 pm
HEL
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 3/20$592
This Turkish Airlines deal was found by Cheapflights users on 3/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:25 am
ORD
-
HEL
1 stop28h 30m
Turkish Airlines
Tue 5/198:20 am
HEL
-
ORD
1 stop33h 20m
Turkish Airlines
Deal found 3/22$596
This FlightHub deal was found by Cheapflights users on 3/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:25 am
ORD
-
HEL
1 stop23h 15m
Turkish Airlines
Mon 9/78:20 am
HEL
-
ORD
1 stop17h 55m
Turkish Airlines
Deal found 3/21$597
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:25 am
ORD
-
HEL
1 stop15h 45m
Turkish Airlines
Mon 9/712:05 pm
HEL
-
ORD
1 stop29h 35m
Turkish Airlines
Deal found 3/20$599
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:15 pm
ORD
-
HEL
2 stops17h 20m
Scandinavian Airlines
Thu 10/2211:05 am
HEL
-
ORD
2 stops13h 05m
Scandinavian Airlines
Deal found 3/17$613
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 11/26:00 am
BMI
-
HEL
2 stops28h 50m
United Airlines
Fri 11/66:50 am
HEL
-
BMI
2 stops19h 02m
United Airlines
Deal found 3/20$692
This Justfly.com deal was found by Cheapflights users on 3/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:42 pm
STL
-
HEL
2 stops20h 43m
Scandinavian Airlines
Mon 9/146:10 am
HEL
-
STL
2 stops22h 40m
Scandinavian Airlines
Deal found 3/22$699
This Billigflug deal was found by Cheapflights users on 3/21. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:21 pm
STL
-
HEL
1 stop12h 54m
Finnair
Tue 5/124:25 pm
HEL
-
STL
1 stop13h 54m
Finnair
Deal found 3/21$722
This Flysmarter deal was found by Cheapflights users on 3/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:46 pm
STL
-
HEL
2 stops15h 19m
KLM
Tue 5/127:00 am
HEL
-
STL
2 stops15h 31m
KLM
Deal found 3/21$738

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$528
(FlightHub)

One-way from

$294
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$498

Good round-trip deal

$724 or less

Good one-way deal

$358 or less
Provider with most accurate pricing for Chicago (CHI)-Helsinki-Vantaa flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Helsinki-Vantaa flights.
From Illinois to Finland
One-way flight from Illinois to Finland
Highest demand for flights based on searches. 24% potential increase in price ($224 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Illinois to Finland.
Price to beat on a one-way flight from Illinois to Finland.

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 March 22, 2026.
Use the filters below to find and compare flights from Illinois to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 4/26

7:25 pm-2:00 pm

1 stop10h 35m

Helsinki-Vantaa

Thu 4/30

3:00 pm-6:15 pm

1 stop11h 15m

$662

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 4/28

6:50 am-10:35 am

2 stops19h 45m

Helsinki-Vantaa

Wed 5/6

9:15 pm-4:10 pm

2 stops50h 55m

$706

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 9/7

1:30 pm-8:35 pm

3 stops23h 05m

Helsinki-Vantaa

Mon 9/14

6:10 am-11:37 pm

2 stops25h 27m

$728

BloomingtonHelsinki

BMI - HEL

BMIHEL

Bloomington-Normal

Sun 5/3

11:16 am-2:15 pm

1 stop18h 59m

Helsinki-Vantaa

Sun 5/10

4:25 pm-11:52 pm

1 stop15h 27m

$781

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 4/29

8:30 am-12:40 am

2 stops32h 10m

Helsinki-Vantaa

Sun 5/3

6:45 am-1:25 pm

1 stop14h 40m

$796

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Tue 4/28

1:24 pm-4:40 pm

2 stops19h 16m

Helsinki-Vantaa

Wed 5/6

7:00 am-4:26 pm

2 stops17h 26m

$834

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Mon 4/13

6:38 pm-5:40 pm

2 stops15h 02m

Helsinki-Vantaa

Wed 4/29

7:00 am-6:36 pm

2 stops19h 36m

$839

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 5/3

4:36 pm-2:00 pm

1 stop13h 24m

Helsinki-Vantaa

Sun 5/10

4:25 pm-5:50 pm

Nonstop9h 25m

$859

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 9/7

3:30 pm-1:10 pm

1 stop13h 40m

Helsinki-Vantaa

Mon 9/14

1:50 pm-1:25 pm

1 stop31h 35m

$866

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 8/5

7:15 pm-3:20 pm

1 stop12h 05m

Helsinki-Vantaa

Thu 9/10

7:15 am-4:10 pm

2 stops16h 55m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 48 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from Illinois to Finland (average of $391). Flying from Illinois to Finland in June is currently the most expensive (average of $768). 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?

    Turkish Airlines, Scandinavian Airlines, and American Airlines can get you from Illinois to Finland in just under 18h 44m. Your travel time can differ by up to 12h 36m. The distance from Illinois to Finland is about 4536 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 ($379), 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, July is the cheapest month in which you can book a flight from Illinois to Finland (average of $391). Flying from Illinois to Finland in June is currently the most expensive (average of $768). 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.

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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$419Average$664FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$428Average$528FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$518Average$885FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$644Average$1,034FlexibilityNo cancel feeOn-time69%
FinnairCheapest$664Average$950FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$681Average$1,070FlexibilityNo cancel feeOn-time71%

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