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$351+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$588
(Scandinavian Airlines)

One-way from

$351
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$609

Good round-trip deal

$712 or less

Good one-way deal

$435 or less
Provider with most accurate pricing for Chicago (CHI)-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Helsinki-Vantaa flights.
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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. 26% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 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 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 April 2, 2025.

This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:15 pmORD - HEL
1 stop17h 00mScandinavian Airlines
Mon 10/2711:15 amHEL - ORD
1 stop13h 30mScandinavian Airlines
Deal found 3/31$447
This oojo deal was found by Cheapflights users on 3/31. 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.
Tue 10/217:50 pmORD - HEL
1 stop31h 50mTurkish Airlines
Tue 10/2812:25 pmHEL - ORD
1 stop38h 00mTurkish Airlines
Deal found 3/31$572
This Finnair deal was found by Cheapflights users on 4/2. 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.
Thu 4/1711:21 amSTL - HEL
1 stop15h 24mMultiple Airlines
Fri 5/24:50 pmHEL - STL
1 stop24h 11mMultiple Airlines
Deal found 4/2$614
This Flightnetwork deal was found by Cheapflights users on 4/1. 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 4/79:30 pmORD - HEL
Nonstop8h 45mFinnair
Mon 4/214:25 pmHEL - ORD
Nonstop9h 25mFinnair
Deal found 4/1$640
This Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 5/139:35 amORD - HEL
2 stops26h 40mMultiple Airlines
Mon 5/197:15 amHEL - ORD
2 stops16h 55mMultiple Airlines
Deal found 3/31$650
This Delta deal was found by Cheapflights users on 4/2. 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 4/1711:15 amSTL - HEL
2 stops21h 25mDelta
Fri 5/27:00 amHEL - STL
2 stops21h 39mDelta
Deal found 4/2$659
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 5/54:45 pmORD - HEL
1 stop14h 15mAmerican Airlines
Tue 5/134:25 pmHEL - ORD
Nonstop9h 25mAmerican Airlines
Deal found 3/31$683
This Ticket deal was found by Cheapflights users on 4/1. 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.
Mon 4/75:10 pmORD - HEL
1 stop15h 30mAir France
Mon 4/216:25 pmHEL - ORD
1 stop28h 15mAir France
Deal found 4/1$689
This Ticket deal was found by Cheapflights users on 3/31. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/64:20 pmORD - HEL
1 stop24h 00mKLM
Mon 4/211:55 pmHEL - ORD
1 stop32h 45mKLM
Deal found 3/31$700
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:10 pmORD - HEL
1 stop15h 30mDelta
Tue 5/137:15 amHEL - ORD
2 stops18h 14mDelta
Deal found 3/31$709
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Thu 4/177:04 amSTL - HEL
1 stop19h 41mAmerican Airlines
Fri 5/212:35 pmHEL - STL
2 stops17h 37mAmerican Airlines
Deal found 4/2$730
This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:30 pmORD - HEL
Nonstop8h 45mBritish Airways
Mon 4/149:05 pmHEL - ORD
1 stop24h 45mBritish Airways
Deal found 3/31$740

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 April 2, 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

Mon 5/12

7:15 pm-12:05 am

1 stop20h 50m

Helsinki-Vantaa

Mon 5/19

11:15 am-4:10 pm

1 stop12h 55m

$542

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Thu 4/17

11:21 am-10:45 am

1 stop15h 24m

Helsinki-Vantaa

Fri 5/2

4:50 pm-9:01 am

1 stop24h 11m

$614

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 5/5

11:25 am-6:40 pm

1 stop23h 15m

Helsinki-Vantaa

Tue 5/13

7:35 pm-9:40 am

1 stop22h 05m

$622

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 4/7

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

Mon 4/21

4:25 pm-5:50 pm

Nonstop9h 25m

$640

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 5/13

9:35 am-8:15 pm

2 stops26h 40m

Helsinki-Vantaa

Mon 5/19

7:15 am-4:10 pm

2 stops16h 55m

$650

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Thu 4/17

11:15 am-4:40 pm

2 stops21h 25m

Helsinki-Vantaa

Fri 5/2

7:00 am-8:39 pm

2 stops21h 39m

$659

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 5/5

4:45 pm-3:00 pm

1 stop14h 15m

Helsinki-Vantaa

Tue 5/13

4:25 pm-5:50 pm

Nonstop9h 25m

$683

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 4/7

5:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Mon 4/21

6:25 pm-2:40 pm

1 stop28h 15m

$689

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 4/6

4:20 pm-12:20 am

1 stop24h 00m

Helsinki-Vantaa

Mon 4/21

1:55 pm-2:40 pm

1 stop32h 45m

$700

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 5/5

5:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Tue 5/13

7:15 am-5:29 pm

2 stops18h 14m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 27 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 $1,123). 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 April 2, 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.

Weekly flight availability from Illinois to Helsinki

Explore weekly flight availability from Illinois to Helsinki. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 2, 2025.

The most flights from USIL to HEL are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Helsinki by month

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

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

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

If weather is an important factor for your trip to Helsinki, 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 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 April 2, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Illinois to Helsinki have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $479 on Icelandair. Other airlines that offer cheap prices include Iberia from $538 and British Airways from $542 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 cheapest flights from Illinois to Helsinki?

    Looking for the cheapest flight from Illinois to Helsinki? While on average our users pay $1,710, our data indicates the cheapest price to be $426. The most popular route (Chicago O'Hare Intl - Helsinki-Vantaa), is priced around $466.

  • 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 $1,123). 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 Illinois?

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

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Alternative routes for Illinois to Helsinki

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 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$393Average$617FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$466Average$707FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$543Average$860FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$576Average$1,035FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$612Average$935FlexibilityNo cancel feeOn-time69%
FinnairCheapest$630Average$982FlexibilityNo cancel feeOn-time76%

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