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Finland

$396+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This FlightHub deal was found by Cheapflights users on 5/5. 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 11/128:20 pm
ORD
-
HEL
1 stop37h 45m
Turkish Airlines
Wed 11/187:00 pm
HEL
-
ORD
1 stop31h 25m
Turkish Airlines
Deal found 5/5$652
This oojo deal was found by Cheapflights users on 5/7. 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 11/49:20 pm
ORD
-
HEL
1 stop36h 45m
Turkish Airlines
Wed 11/187:00 pm
HEL
-
ORD
1 stop23h 05m
Turkish Airlines
Deal found 5/7$666
This FlightHub deal was found by Cheapflights users on 5/7. 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.
Sun 9/138:10 pm
ORD
-
HEL
1 stop19h 45m
Turkish Airlines
Mon 9/2112:05 pm
HEL
-
ORD
1 stop29h 35m
Turkish Airlines
Deal found 5/7$684
This FlightHub deal was found by Cheapflights users on 5/7. 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 9/298:10 pm
ORD
-
HEL
1 stop31h 00m
Turkish Airlines
Tue 10/68:20 am
HEL
-
ORD
1 stop17h 55m
Turkish Airlines
Deal found 5/7$689
This Gotogate deal was found by Cheapflights users on 5/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 pm
ORD
-
HEL
1 stop10h 25m
Icelandair
Thu 12/101:55 pm
HEL
-
ORD
1 stop11h 25m
Icelandair
Deal found 5/8$699
This FlightHub deal was found by Cheapflights users on 5/6. 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 11/118:20 pm
ORD
-
HEL
1 stop37h 45m
Turkish Airlines
Sun 11/1512:30 pm
HEL
-
ORD
1 stop29h 35m
Turkish Airlines
Deal found 5/6$703
This FlightHub deal was found by Cheapflights users on 5/5. 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 9/158:10 pm
ORD
-
HEL
1 stop31h 00m
Turkish Airlines
Sun 9/2012:05 pm
HEL
-
ORD
1 stop29h 35m
Turkish Airlines
Deal found 5/5$707
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:30 pm
ORD
-
HEL
Nonstop8h 45m
Multiple Airlines
Wed 9/3011:55 pm
HEL
-
ORD
3 stops26h 20m
Multiple Airlines
Deal found 5/9$735
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:30 pm
ORD
-
HEL
Nonstop8h 45m
Multiple Airlines
Mon 10/57:15 am
HEL
-
ORD
3 stops19h 00m
Multiple Airlines
Deal found 5/5$738
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:30 pm
ORD
-
HEL
Nonstop8h 45m
Multiple Airlines
Wed 9/3011:55 pm
HEL
-
ORD
3 stops26h 20m
Multiple Airlines
Deal found 5/5$740
This Justfly.com deal was found by Cheapflights users on 5/7. 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.
Thu 10/158:10 pm
ORD
-
HEL
1 stop31h 00m
Turkish Airlines
Mon 10/198:20 am
HEL
-
ORD
1 stop33h 20m
Turkish Airlines
Deal found 5/7$744
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 11/113:50 pm
STL
-
HEL
2 stops19h 00m
United Airlines
Fri 11/1312:45 pm
HEL
-
STL
2 stops19h 49m
United Airlines
Deal found 5/7$781

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$666
(oojo)

One-way from

$396
(Mytrip)

Popular in

June

Cheapest in

December

Average price

$958

Good round-trip deal

$1,073 or less

Good one-way deal

$661 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. 30% potential increase in price ($323 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Wed 8/19

1:27 pm-1:05 pm

2 stops15h 38m

Helsinki-Vantaa

Fri 8/28

7:00 am-6:01 pm

2 stops19h 01m

$922

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Sun 9/13

5:59 pm-5:40 pm

2 stops15h 41m

Helsinki-Vantaa

Mon 9/21

7:00 am-6:31 pm

2 stops19h 31m

$941

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 5/14

5:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Thu 5/28

7:00 am-2:15 pm

1 stop15h 15m

$952

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Thu 8/6

8:36 am-10:45 am

1 stop18h 09m

Helsinki-Vantaa

Wed 8/19

4:25 pm-11:59 pm

1 stop15h 34m

$953

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Thu 8/6

5:43 pm-3:00 pm

2 stops13h 17m

Helsinki-Vantaa

Wed 8/19

4:25 pm-11:59 pm

1 stop15h 34m

$974

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 8/14

8:30 pm-6:55 pm

2 stops38h 25m

Helsinki-Vantaa

Sat 8/22

6:45 am-10:16 pm

2 stops23h 31m

$974

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 7/1

1:13 pm-5:10 pm

2 stops19h 57m

Helsinki-Vantaa

Wed 7/15

6:35 am-1:25 pm

1 stop14h 50m

$990

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 7/19

5:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Thu 8/6

7:00 am-2:15 pm

1 stop15h 15m

$997

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Thu 7/23

6:55 am-2:15 pm

1 stop23h 20m

Helsinki-Vantaa

Thu 8/6

12:35 pm-11:42 pm

1 stop19h 07m

$1,001

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 6/2

5:41 pm-4:40 pm

2 stops14h 59m

Helsinki-Vantaa

Tue 6/9

6:25 pm-2:30 pm

1 stop28h 05m

$1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 43 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

How far ahead should I book a flight from Illinois to Finland?

To ensure you get the cheapest price possible for a flight from Illinois to Finland, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $60). Flying from Illinois to Finland in June is currently the most expensive (average of $721). 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 May 10, 2026.

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.

Weekly flight availability from Illinois to Finland

Explore weekly flight availability from Illinois to Finland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 10, 2026.

The most flights from USIL to FI0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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?

    Delta, American Airlines, and United Airlines can get you from Illinois to Finland in just under 13h 17m. Your travel time can differ by up to 25h 08m. 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.

  • 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 $60). Flying from Illinois to Finland in June is currently the most expensive (average of $721). 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 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$419Average$692FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$428Average$559FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$518Average$885FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$677Average$1,070FlexibilityNo cancel feeOn-time71%
FinnairCheapest$678Average$1,016FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$815Average$1,034FlexibilityNo cancel feeOn-time69%

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