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$492+ Cheap flights from Helsinki (HEL) 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Helsinki to Illinois

Keep the following information in mind while searching for Helsinki to Illinois flight deals. Data was last updated April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$492
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$650

Good round-trip deal

$761 or less

Good one-way deal

$728 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 Helsinki-Vantaa to Illinois
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Highest demand for flights based on searches. 14% potential increase in price ($114 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 April 2025
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Price to beat on a round-trip flight from Helsinki-Vantaa to Illinois.
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Price to beat on a one-way flight from Helsinki-Vantaa to Illinois.
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Find flight deals from Helsinki to Illinois

Cheapest flights from Helsinki to Illinois
Explore the most affordable flight options available from Helsinki to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Trip.com deal was found by Cheapflights users on 4/21. 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.
Mon 5/193:00 pmHEL - ORD
1 stop14h 15mIcelandair
Mon 5/267:25 pmORD - HEL
1 stop10h 35mIcelandair
Deal found 4/21$492
This AirNGo deal was found by Cheapflights users on 4/21. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:55 pmHEL - ORD
1 stop32h 15mKLM
Thu 5/297:25 pmORD - HEL
2 stops14h 15mKLM
Deal found 4/21$574
This Delta deal was found by Cheapflights users on 4/21. 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.
Thu 5/157:00 amHEL - ORD
1 stop15h 10mDelta
Thu 5/297:25 pmORD - HEL
2 stops14h 15mDelta
Deal found 4/21$592
This Delta deal was found by Cheapflights users on 4/21. 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.
Thu 5/157:00 amHEL - MDW
2 stops19h 45mDelta
Thu 5/296:25 pmMDW - HEL
2 stops15h 15mDelta
Deal found 4/21$598
This Scandinavian Airlines deal was found by Cheapflights users on 4/21. 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 5/211:15 amHEL - ORD
1 stop15h 10mScandinavian Airlines
Sun 5/118:15 pmORD - HEL
1 stop11h 15mScandinavian Airlines
Deal found 4/21$683
This Scandinavian Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/126:35 amHEL - ORD
2 stops20h 55mMultiple Airlines
Mon 5/198:15 pmORD - HEL
1 stop19h 50mMultiple Airlines
Deal found 4/21$687
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/126:00 amHEL - ORD
1 stop14h 30mUnited Airlines
Tue 5/276:25 pmORD - HEL
1 stop22h 00mUnited Airlines
Deal found 4/21$698
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/124:25 pmHEL - ORD
Nonstop9h 25mAmerican Airlines
Tue 5/274:44 pmORD - HEL
1 stop13h 16mAmerican Airlines
Deal found 4/21$727
This ResecentrumGruppen deal was found by Cheapflights users on 4/21. 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.
Thu 5/154:25 pmHEL - ORD
Nonstop9h 25mFinnair
Thu 5/294:44 pmORD - HEL
1 stop13h 16mFinnair
Deal found 4/21$736
This Flysmarter deal was found by Cheapflights users on 4/21. 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.
Mon 5/127:00 amHEL - ORD
1 stop15h 10mAir France
Tue 5/273:33 pmORD - HEL
2 stops15h 57mAir France
Deal found 4/21$749
This Air Canada deal was found by Cheapflights users on 4/21. 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 5/36:10 amHEL - ORD
2 stops22h 02mAir Canada
Sat 5/1010:40 amORD - HEL
2 stops18h 10mAir Canada
Deal found 4/21$776
This Expedia deal was found by Cheapflights users on 4/21. 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.
Mon 4/289:05 pmHEL - ORD
1 stop24h 45mBritish Airways
Mon 5/59:15 pmORD - HEL
1 stop33h 05mBritish Airways
Deal found 4/21$777

Cheapflights Fare Finder

Customize your flight search to find flights from Helsinki 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 April 22, 2025.
Use the filters below to find and compare flights from Helsinki to Illinois that are best for you.

Fly from

Helsinki

Fly to

Illinois

Route

Depart

Return

Price

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 5/19

3:00 pm-9:15 pm

1 stop14h 15m

Chicago O'Hare Intl

Mon 5/26

7:25 pm-2:00 pm

1 stop10h 35m

$492

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Thu 5/15

1:55 pm-2:10 pm

1 stop32h 15m

Chicago O'Hare Intl

Thu 5/29

7:25 pm-5:40 pm

2 stops14h 15m

$574

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Thu 5/15

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Thu 5/29

7:25 pm-5:40 pm

2 stops14h 15m

$592

HelsinkiChicago

HEL - MDW

HELMDW

Helsinki-Vantaa

Thu 5/15

7:00 am-6:45 pm

2 stops19h 45m

Chicago Midway

Thu 5/29

6:25 pm-5:40 pm

2 stops15h 15m

$598

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Fri 5/2

11:15 am-6:25 pm

1 stop15h 10m

Chicago O'Hare Intl

Sun 5/11

8:15 pm-3:30 pm

1 stop11h 15m

$683

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 5/12

6:35 am-7:30 pm

2 stops20h 55m

Chicago O'Hare Intl

Mon 5/19

8:15 pm-12:05 am

1 stop19h 50m

$687

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 5/12

6:00 am-12:30 pm

1 stop14h 30m

Chicago O'Hare Intl

Tue 5/27

6:25 pm-12:25 am

1 stop22h 00m

$698

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 5/12

4:25 pm-5:50 pm

Nonstop9h 25m

Chicago O'Hare Intl

Tue 5/27

4:44 pm-2:00 pm

1 stop13h 16m

$727

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Thu 5/15

4:25 pm-5:50 pm

Nonstop9h 25m

Chicago O'Hare Intl

Thu 5/29

4:44 pm-2:00 pm

1 stop13h 16m

$736

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 5/12

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Tue 5/27

3:33 pm-3:30 pm

2 stops15h 57m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

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

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

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

Currently, August is the cheapest month in which you can book a flight from Helsinki to Illinois (average of $245). Flying from Helsinki 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 HEL to IL?

Find hourly flight availability from Helsinki 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 April 22, 2025.

When flying from Helsinki to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 22, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Helsinki to Illinois by reading reviews from past customers. 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
7,920 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
1,273 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
1,440 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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
8,684 reviews
Delta
8.0
Very good
7,920 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

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 Helsinki to Illinois. 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 from for flights from Helsinki to Illinois?

    Helsinki-Vantaa (HEL) is the airport you will fly out of if you book a flight from Helsinki to Illinois. It is only a 10.6 mi journey to Helsinki-Vantaa (HEL) from Helsinki’s city center.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $594. Users have also found prices from $608 and $764 on Turkish Airlines and Finnair, respectively.

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

    The top 3 most reliable airlines when flying from Helsinki to Illinois are American Airlines (31%), Alaska Airlines (31%) and Finnair (31%).

  • What are the cheapest flights from Helsinki to Illinois?

    Looking at all options, your cheapest flight can be booked for $695. While the most popular route (Helsinki-Vantaa - Chicago O'Hare Intl) can be booked for $492 on average our data indicates $795 when flying from Helsinki to Illinois.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Helsinki to Illinois (average of $245). Flying from Helsinki 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 Helsinki 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 Helsinki to Illinois

Discover the top 2 airlines that operate flights from Helsinki 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$695Average$903FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$785Average$1,374FlexibilityNo cancel feeOn-time70%

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