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Helsinki

$306+ Cheap flights from Illinois to Helsinki (HEL)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Illinois to Helsinki

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

Round-trip from

$439
(oojo)

One-way from

$306
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$743

Good round-trip deal

$674 or less

Good one-way deal

$598 or less
From Illinois to Helsinki-Vantaa
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One-way flight from Illinois to Helsinki-Vantaa
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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 August 2025
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Price to beat on a round-trip flight from Illinois to Helsinki-Vantaa.
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Price to beat on a one-way flight from Illinois to Helsinki-Vantaa.
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Find flight deals from Illinois to Helsinki

Cheapest flights from Illinois to Helsinki
Explore the most affordable flight options available from Illinois to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 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.
Wed 12/37:20 pmORD - HEL
2 stops20h 25mScandinavian Airlines
Wed 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.
Sun 10/197:01 amSTL - HEL
1 stop19h 44mMultiple Airlines
Tue 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.
Tue 9/237:25 pmORD - HEL
2 stops14h 55mMultiple Airlines
Tue 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.
Sun 10/193:30 pmSTL - HEL
1 stop17h 10mUnited Airlines
Tue 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.
Tue 9/97:50 pmORD - HEL
1 stop31h 50mTurkish Airlines
Wed 9/177:35 pmHEL - ORD
1 stop22h 05mTurkish Airlines
Deal found 7/30$550
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.
Thu 12/116:30 pmORD - HEL
1 stop10h 25mIcelandair
Mon 12/221:55 pmHEL - ORD
1 stop11h 25mIcelandair
Deal found 7/30$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.
Wed 10/295:04 pmMDW - HEL
2 stops17h 21mDelta
Wed 11/196:30 amHEL - MDW
2 stops19h 37mDelta
Deal found 7/30$726
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:17 amBMI - HEL
1 stop20h 28mAmerican Airlines
Sun 11/1612:30 pmHEL - BMI
1 stop17h 06mAmerican Airlines
Deal found 7/31$731
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.
Sat 9/205:25 pmSTL - HEL
2 stops17h 00mBritish Airways
Sat 9/2711:55 amHEL - STL
1 stop14h 27mBritish Airways
Deal found 7/31$800
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:30 pmSTL - HEL
2 stops17h 25mLufthansa
Sun 9/216:00 amHEL - STL
2 stops17h 44mLufthansa
Deal found 7/30$903
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:55 pmSTL - HEL
3 stops16h 25mScandinavian Airlines
Sat 9/276:35 amHEL - STL
2 stops23h 25mScandinavian Airlines
Deal found 7/31$1,023
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:18 amSTL - HEL
1 stop21h 47mAmerican Airlines
Sat 9/2711:55 amHEL - STL
1 stop16h 20mAmerican Airlines
Deal found 7/31$1,098

Cheapflights Fare Finder

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

Fly from

Illinois

Fly to

Helsinki

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 12/3

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

Wed 12/10

4:05 pm-4:45 pm

2 stops32h 40m

$419

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

7:01 am-10:45 am

1 stop19h 44m

Helsinki-Vantaa

Tue 10/28

12:30 pm-8:53 pm

1 stop15h 23m

$482

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 9/23

7:25 pm-6:20 pm

2 stops14h 55m

Helsinki-Vantaa

Tue 9/30

8:30 am-6:15 pm

2 stops41h 45m

$509

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

3:30 pm-4:40 pm

1 stop17h 10m

Helsinki-Vantaa

Tue 10/28

7:05 am-3:29 pm

2 stops39h 24m

$543

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 9/9

7:50 pm-11:40 am

1 stop31h 50m

Helsinki-Vantaa

Wed 9/17

7:35 pm-9:40 am

1 stop22h 05m

$550

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 12/11

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Mon 12/22

1:55 pm-5:20 pm

1 stop11h 25m

$586

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Wed 10/29

5:04 pm-5:25 pm

2 stops17h 21m

Helsinki-Vantaa

Wed 11/19

6:30 am-6:07 pm

2 stops19h 37m

$726

BloomingtonHelsinki

BMI - HEL

BMIHEL

Bloomington-Normal

Wed 11/12

6:17 am-10:45 am

1 stop20h 28m

Helsinki-Vantaa

Sun 11/16

12:30 pm-9:36 pm

1 stop17h 06m

$731

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sat 9/20

5:25 pm-6:25 pm

2 stops17h 00m

Helsinki-Vantaa

Sat 9/27

11:55 am-6:22 pm

1 stop14h 27m

$800

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 9/14

5:30 pm-6:55 pm

2 stops17h 25m

Helsinki-Vantaa

Sun 9/21

6:00 am-3:44 pm

2 stops17h 44m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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

Have a flexible travel schedule? Discover the best time to fly to Helsinki 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 Helsinki

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Helsinki (average of $444). Flying from Illinois to Helsinki 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 HEL?

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

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

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated August 1, 2025.
Get a feel of what it's like to fly with Delta, Finnair, and Air France from Illinois to Helsinki 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
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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 Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from Illinois?

    For a flight from Illinois to Helsinki, you will be flying into Helsinki-Vantaa. Helsinki-Vantaa (HEL) is just 10.6 mi from the center of the city.

  • What are the cheapest airlines to fly from Illinois to Helsinki one-way?

    One-way options have recently been found by users for as low as $419 on American Airlines. Other airlines that offer cheap prices include Lufthansa from $421 and Icelandair from $448 one-way.

  • What are the most popular routes from Illinois to Helsinki?

    The most popular route from Illinois to Helsinki is Chicago O'Hare Intl - Helsinki-Vantaa. You may also consider Chicago Midway - Helsinki-Vantaa or Lambert-St Louis - Helsinki-Vantaa.

  • What are the most reliable airlines from Illinois to Helsinki?

    No one likes to see their flight delayed. When booking a flight from Illinois to Helsinki consider choosing American Airlines (64%), Alaska Airlines (64%) or Finnair (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Helsinki?

    Looking for the cheapest flight from Illinois to Helsinki? While on average our users pay $2,331, our data indicates the cheapest price to be $333. The most popular route (Chicago O'Hare Intl - Helsinki-Vantaa), is priced around $419.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Helsinki (average of $444). Flying from Illinois to Helsinki 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

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

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Alternative routes for Illinois to Helsinki

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Top 6 airlines flying from Illinois to Helsinki

Discover the top 6 airlines that operate flights from Illinois to Helsinki. 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 August 1, 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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