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$271+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$439
(oojo)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$881

Good round-trip deal

$674 or less

Good one-way deal

$598 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. 22% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This oojo deal was found by Cheapflights users on 7/31. 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.
mié. 12/37:20 pmORD - HEL
2 stops20h 25mScandinavian Airlines
mié. 12/104:05 pmHEL - ORD
2 stops32h 40mScandinavian Airlines
Deal found 7/31$419
This Finnair deal was found by Cheapflights users on 7/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/197:01 amSTL - HEL
1 stop19h 44mMultiple Airlines
mar. 10/2812:30 pmHEL - STL
1 stop15h 23mMultiple Airlines
Deal found 7/29$482
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:25 pmORD - HEL
2 stops14h 55mMultiple Airlines
mar. 9/308:30 amHEL - ORD
2 stops41h 45mMultiple Airlines
Deal found 7/30$509
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/193:30 pmSTL - HEL
1 stop17h 10mUnited Airlines
mar. 10/287:05 amHEL - STL
2 stops39h 24mUnited Airlines
Deal found 7/29$543
This oojo deal was found by Cheapflights users on 7/30. 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.
mar. 9/97:50 pmORD - HEL
1 stop31h 50mTurkish Airlines
mié. 9/177:35 pmHEL - ORD
1 stop22h 05mTurkish Airlines
Deal found 7/30$550
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/199:15 amSTL - HEL
2 stops23h 25mAir Canada
mar. 10/281:55 pmHEL - STL
2 stops32h 34mAir Canada
Deal found 7/29$550
This oojo deal was found by Cheapflights users on 7/29. 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.
mar. 8/1910:15 pmORD - HEL
1 stop31h 45mIcelandair
mar. 8/263:00 pmHEL - ORD
1 stop11h 15mIcelandair
Deal found 7/29$586
This Delta deal was found by Cheapflights users on 7/30. 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.
mié. 10/295:04 pmMDW - HEL
2 stops17h 21mDelta
mié. 11/196:30 amHEL - MDW
2 stops19h 37mDelta
Deal found 7/30$726
This American Airlines deal was found by Cheapflights users on 7/28. 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.
mié. 11/126:17 amBMI - HEL
1 stop20h 28mAmerican Airlines
dom. 11/1612:30 pmHEL - BMI
1 stop17h 06mAmerican Airlines
Deal found 7/28$732
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/205:25 pmSTL - HEL
2 stops17h 00mBritish Airways
sáb. 9/2711:55 amHEL - STL
1 stop14h 27mBritish Airways
Deal found 7/31$800
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/61:04 pmSTL - HEL
2 stops26h 46mLufthansa
vie. 8/1512:40 pmHEL - STL
2 stops18h 05mLufthansa
Deal found 7/28$895
This Orbitz deal was found by Cheapflights users on 7/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/99:45 pmORD - RVN
2 stops55h 35mMultiple Airlines
sáb. 11/156:25 pmRVN - ORD
2 stops46h 19mMultiple Airlines
Deal found 7/29$906

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 julio 31, 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

mié. 12/3

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

mié. 12/10

4:05 pm-4:45 pm

2 stops32h 40m

$419

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

dom. 10/19

7:01 am-10:45 am

1 stop19h 44m

Helsinki-Vantaa

mar. 10/28

12:30 pm-8:53 pm

1 stop15h 23m

$482

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mar. 9/23

7:25 pm-6:20 pm

2 stops14h 55m

Helsinki-Vantaa

mar. 9/30

8:30 am-6:15 pm

2 stops41h 45m

$509

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

dom. 10/19

3:30 pm-4:40 pm

1 stop17h 10m

Helsinki-Vantaa

mar. 10/28

7:05 am-3:29 pm

2 stops39h 24m

$543

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mar. 9/9

7:50 pm-11:40 am

1 stop31h 50m

Helsinki-Vantaa

mié. 9/17

7:35 pm-9:40 am

1 stop22h 05m

$550

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

dom. 10/19

9:15 am-4:40 pm

2 stops23h 25m

Helsinki-Vantaa

mar. 10/28

1:55 pm-3:29 pm

2 stops32h 34m

$550

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

mar. 1/20

1:00 pm-4:25 pm

2 stops19h 25m

Helsinki-Vantaa

mar. 1/27

6:30 am-9:46 pm

2 stops23h 16m

$701

BloomingtonHelsinki

BMI - HEL

BMIHEL

Bloomington-Normal

mié. 11/12

6:17 am-10:45 am

1 stop20h 28m

Helsinki-Vantaa

dom. 11/16

12:30 pm-9:36 pm

1 stop17h 06m

$732

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

sáb. 9/20

5:25 pm-6:25 pm

2 stops17h 00m

Helsinki-Vantaa

sáb. 9/27

11:55 am-6:22 pm

1 stop14h 27m

$800

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

dom. 9/14

5:30 pm-6:55 pm

2 stops17h 25m

Helsinki-Vantaa

dom. 9/21

6:00 am-3:44 pm

2 stops17h 44m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 30 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 $1,081). 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 julio 31, 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.

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Finland. Reviews last updated julio 31, 2025.
See what other customers who have flown with Delta, Finnair, and Air France from Illinois to Finland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 American Airlines ($419), Lufthansa ($421), and Icelandair ($446).

  • 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 $1,081). 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 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$393Average$584FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$444Average$651FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$576Average$947FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$579Average$844FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$612Average$991FlexibilityNo cancel feeOn-time69%
FinnairCheapest$664Average$923FlexibilityNo cancel feeOn-time76%

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