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$564+ Cheap flights from Finland to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Finland to Illinois

Keep the following information in mind while searching for Finland to Illinois flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$564
(Ticket)

Popular in

July

Cheapest in

February

Average price

$646

Good round-trip deal

$761 or less

Good one-way deal

$769 or less
Provider with most accurate pricing for Helsinki-Vantaa-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Helsinki-Vantaa-Chicago (CHI) flights.
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From Finland to Illinois
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Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Finland to Illinois.
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Price to beat on a one-way flight from Finland to Illinois.
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Find flight deals from Finland to Illinois

Cheapest flights from Finland to Illinois
Explore the most affordable flight options available from Finland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Ticket deal was found by Cheapflights users on 4/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/113:00 pmHEL - ORD
1 stop11h 15mIcelandair
Mon 5/267:25 pmORD - HEL
1 stop10h 35mIcelandair
Deal found 4/30$564
This Travelis deal was found by Cheapflights users on 4/29. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:10 amHEL - ORD
1 stop21h 45mLufthansa
Sat 8/306:25 pmORD - HEL
1 stop22h 00mLufthansa
Deal found 4/29$589
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:00 amHEL - ORD
1 stop15h 10mDelta
Mon 6/21:45 pmORD - HEL
2 stops19h 55mDelta
Deal found 4/28$591
This Ticket deal was found by Cheapflights users on 4/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:55 pmHEL - ORD
1 stop32h 15mKLM
Mon 6/97:00 pmORD - HEL
2 stops14h 40mKLM
Deal found 4/30$638
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/269:00 pmHEL - ORD
1 stop27h 10mScandinavian Airlines
Mon 6/27:15 pmORD - HEL
1 stop12h 10mScandinavian Airlines
Deal found 4/28$658
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/201:20 pmHEL - ORD
2 stops31h 10mMultiple Airlines
Tue 5/272:20 pmORD - HEL
2 stops25h 15mMultiple Airlines
Deal found 4/29$663
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:55 pmHEL - ORD
1 stop32h 15mAir France
Mon 6/96:27 pmORD - HEL
2 stops20h 53mAir France
Deal found 4/30$718
This Flysmarter deal was found by Cheapflights users on 4/29. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:00 amHEL - ORD
1 stop15h 05mFinnair
Sat 8/309:30 pmORD - HEL
Nonstop8h 45mFinnair
Deal found 4/29$720
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:40 amHEL - MDW
2 stops19h 48mDelta
Sat 8/301:00 pmMDW - HEL
2 stops16h 00mDelta
Deal found 4/29$731
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/244:00 pmHEL - ORD
Nonstop9h 25mAmerican Airlines
Mon 6/94:59 pmORD - HEL
1 stop13h 01mAmerican Airlines
Deal found 4/30$779
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/1312:35 pmHEL - ORD
1 stop13h 40mUnited Airlines
Tue 5/208:25 pmORD - HEL
2 stops38h 30mUnited Airlines
Deal found 4/29$793
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/264:25 pmHEL - ORD
Nonstop9h 25mBritish Airways
Mon 6/25:40 pmORD - HEL
1 stop12h 40mBritish Airways
Deal found 4/28$801

Cheapflights Fare Finder

Customize your flight search to find flights from Finland to Illinois 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 1, 2025.
Use the filters below to find and compare flights from Finland to Illinois that are best for you.

Fly from

Finland

Fly to

Illinois

Route

Depart

Return

Price

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sun 5/11

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Mon 5/26

7:25 pm-2:00 pm

1 stop10h 35m

$564

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 5/24

6:25 pm-2:10 pm

1 stop27h 45m

Chicago O'Hare Intl

Mon 6/9

7:00 pm-5:40 pm

2 stops14h 40m

$626

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Wed 5/28

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 6/4

11:03 am-1:00 pm

2 stops17h 57m

$633

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Tue 5/20

1:20 pm-12:30 pm

2 stops31h 10m

Chicago O'Hare Intl

Tue 5/27

2:20 pm-11:35 pm

2 stops25h 15m

$663

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sun 5/11

5:00 pm-6:25 pm

2 stops33h 25m

Chicago O'Hare Intl

Mon 5/26

7:15 pm-12:05 am

1 stop20h 50m

$683

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 5/24

1:55 pm-2:10 pm

1 stop32h 15m

Chicago O'Hare Intl

Mon 6/9

6:27 pm-11:20 pm

2 stops20h 53m

$718

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sun 8/24

8:00 am-3:05 pm

1 stop15h 05m

Chicago O'Hare Intl

Sat 8/30

9:30 pm-2:15 pm

Nonstop8h 45m

$721

HelsinkiChicago

HEL - MDW

HELMDW

Helsinki-Vantaa

Sun 8/24

6:40 am-6:28 pm

2 stops19h 48m

Chicago Midway

Sat 8/30

1:00 pm-1:00 pm

2 stops16h 00m

$731

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Wed 6/25

7:40 pm-12:55 pm

2 stops25h 15m

Chicago O'Hare Intl

Mon 7/21

3:35 pm-11:50 am

1 stop12h 15m

$733

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 5/24

4:00 pm-5:25 pm

Nonstop9h 25m

Chicago O'Hare Intl

Mon 6/9

4:59 pm-2:00 pm

1 stop13h 01m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 25 results
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Best time to book a flight from Finland to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Finland 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 Finland to Illinois

What is the cheapest month to book a flight from Finland to Illinois?

Currently, August is the cheapest month in which you can book a flight from Finland to Illinois (average of $245). Flying from Finland to Illinois in March is currently the most expensive (average of $321). 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 FI to IL?

Find hourly flight availability from Finland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Finland to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Finland to Illinois. 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 Finland to Illinois one-way?

    The cheapest airlines for a one-way flight from Finland to Illinois are Turkish Airlines ($608), Finnair ($766), and Delta ($806).

  • Can I find deals for flights from Finland to Illinois that include hotel bookings?

    Yes. In addition to deals on Finland to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Finland to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Finland to Illinois.

  • Can I find deals for business class flights from Finland to Illinois?

    Yes. Cheapflights offers flight deals from Finland to Illinois 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 Finland to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Finland to Illinois (average of $245). Flying from Finland to Illinois in March is currently the most expensive (average of $321). 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 Finland to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Finland to Illinois

Discover the top 2 airlines that operate flights from Finland to Illinois. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$695Average$903FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$838Average$1,376FlexibilityNo cancel feeOn-time70%

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