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$561+ Cheap flights from Finland to Illinois

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.
HEL — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$694
(United Airlines)

One-way from

$561
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$788

Good round-trip deal

$1,115 or less

Good one-way deal

$855 or less
From Finland to Illinois
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One-way flight from Finland to Illinois
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Highest demand for flights based on searches. 13% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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 12/296:55 amHEL - ORD
1 stop21h 10mUnited Airlines
Mon 1/56:00 pmORD - HEL
1 stop16h 40mUnited Airlines
Deal found 6/12$685
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:20 amHEL - ORD
1 stop13h 25mScandinavian Airlines
Sun 1/117:20 pmORD - HEL
1 stop31h 20mScandinavian Airlines
Deal found 6/12$688
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:00 amHEL - ORD
1 stop15h 10mDelta
Sat 8/303:50 pmORD - HEL
2 stops15h 35mDelta
Deal found 6/10$696
This ResecentrumGruppen deal was found by Cheapflights users on 6/12. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/214:25 pmHEL - ORD
Nonstop9h 25mFinnair
Wed 8/65:40 pmORD - HEL
1 stop13h 35mFinnair
Deal found 6/12$701
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:55 pmHEL - ORD
1 stop27h 15mLufthansa
Tue 1/69:50 pmORD - HEL
1 stop12h 50mLufthansa
Deal found 6/12$704
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/214:25 pmHEL - ORD
Nonstop9h 25mAmerican Airlines
Wed 8/64:57 pmORD - HEL
1 stop13h 03mAmerican Airlines
Deal found 6/11$724
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amHEL - ORD
2 stops17h 39mKLM
Sat 1/102:10 pmORD - HEL
2 stops15h 00mKLM
Deal found 6/12$727
This FlightHub deal was found by Cheapflights users on 6/12. 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 12/2410:10 amHEL - ORD
2 stops15h 10mIcelandair
Thu 1/86:30 pmORD - HEL
2 stops12h 45mIcelandair
Deal found 6/12$745
This Air Canada deal was found by Cheapflights users on 6/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:45 pmHEL - ORD
2 stops56h 06mAir Canada
Fri 1/911:20 amORD - HEL
2 stops21h 10mAir Canada
Deal found 6/12$761
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Mon 7/217:35 pmHEL - ORD
1 stop22h 05mTurkish Airlines
Wed 8/611:45 pmORD - HEL
1 stop34h 55mTurkish Airlines
Deal found 6/12$766
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/218:00 amHEL - ORD
1 stop13h 50mBritish Airways
Wed 8/64:55 pmORD - HEL
1 stop14h 20mBritish Airways
Deal found 6/10$771
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/211:35 pmHEL - ORD
2 stops52h 17mMultiple Airlines
Wed 8/610:30 pmORD - HEL
1 stop17h 45mMultiple Airlines
Deal found 6/10$798

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 June 12, 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 7/27

6:10 am-7:42 am

2 stops33h 32m

Chicago O'Hare Intl

Sun 8/3

7:30 am-12:50 pm

2 stops21h 20m

$694

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sun 8/24

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 8/30

3:50 pm-3:25 pm

2 stops15h 35m

$696

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

4:25 pm-5:50 pm

Nonstop9h 25m

Chicago O'Hare Intl

Wed 8/6

5:40 pm-3:15 pm

1 stop13h 35m

$701

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

4:25 pm-5:50 pm

Nonstop9h 25m

Chicago O'Hare Intl

Wed 8/6

9:30 pm-2:15 pm

Nonstop8h 45m

$724

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

7:35 pm-9:40 am

1 stop22h 05m

Chicago O'Hare Intl

Wed 8/6

11:45 pm-6:40 pm

1 stop34h 55m

$766

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

7:40 pm-12:30 pm

1 stop24h 50m

Chicago O'Hare Intl

Wed 8/6

10:30 pm-12:15 am

1 stop17h 45m

$769

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

8:00 am-1:50 pm

1 stop13h 50m

Chicago O'Hare Intl

Wed 8/6

4:55 pm-3:15 pm

1 stop14h 20m

$771

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

1:35 pm-9:52 am

2 stops52h 17m

Chicago O'Hare Intl

Wed 8/6

10:30 pm-12:15 am

1 stop17h 45m

$798

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Wed 7/9

6:25 pm-2:10 pm

1 stop27h 45m

Chicago O'Hare Intl

Wed 7/16

4:50 pm-5:40 pm

1 stop16h 50m

$817

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 7/21

1:35 pm-7:59 am

2 stops50h 24m

Chicago O'Hare Intl

Wed 8/6

3:35 pm-12:50 pm

2 stops37h 15m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 29 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 June 12, 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 June 12, 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
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
3,848 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 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 Icelandair ($589), Turkish Airlines ($605), and Delta ($716).

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$695Average$846FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$838Average$1,376FlexibilityNo cancel feeOn-time70%

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