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$287+ Cheap flights from Chicago (CHI) 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HEL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Helsinki-Vantaa are usually found in November or February, booked 14 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Chicago to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$402
(Ticket)

One-way from

$287
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$716

Good round-trip deal

$677 or less

Good one-way deal

$597 or less
From Chicago (CHI) to Helsinki-Vantaa
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One-way flight from Chicago (CHI) to Helsinki-Vantaa
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Highest demand for flights based on searches. 24% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Helsinki-Vantaa.
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Price to beat on a one-way flight from Chicago (CHI) to Helsinki-Vantaa.
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Find flight deals from Chicago to Helsinki

Cheapest flights from Chicago to Helsinki
Explore the most affordable flight options available from Chicago to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Ticket deal was found by Cheapflights users on 9/16. 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 10/207:15 pmORD - HEL
1 stop12h 10mScandinavian Airlines
Wed 11/56:15 amHEL - ORD
1 stop18h 30mScandinavian Airlines
Deal found 9/16$402
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 12/210:31 amORD - HEL
2 stops16h 09mScandinavian Airlines
Tue 12/98:55 pmHEL - ORD
2 stops27h 50mScandinavian Airlines
Deal found 9/17$410
This Scandinavian Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/137:10 amORD - HEL
2 stops19h 30mScandinavian Airlines
Tue 11/188:55 pmHEL - ORD
2 stops27h 50mScandinavian Airlines
Deal found 9/16$420
This oojo deal was found by Cheapflights users on 9/16. 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.
Mon 11/107:20 pmORD - HEL
1 stop22h 15mScandinavian Airlines
Mon 11/177:00 amHEL - ORD
2 stops17h 45mScandinavian Airlines
Deal found 9/16$423
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 12/810:31 amORD - HEL
2 stops16h 09mScandinavian Airlines
Fri 12/124:05 pmHEL - ORD
1 stop32h 40mScandinavian Airlines
Deal found 9/17$425
This CrystalTravel deal was found by Cheapflights users on 9/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:20 pmORD - HEL
1 stop22h 15mScandinavian Airlines
Sat 12/136:15 amHEL - ORD
1 stop18h 30mScandinavian Airlines
Deal found 9/17$428
This CrystalTravel deal was found by Cheapflights users on 9/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:20 pmORD - HEL
2 stops20h 25mScandinavian Airlines
Sun 11/96:15 amHEL - ORD
1 stop18h 30mScandinavian Airlines
Deal found 9/16$431
This Scandinavian Airlines deal was found by Cheapflights users on 9/17. 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 12/810:31 amORD - HEL
2 stops31h 04mScandinavian Airlines
Mon 12/158:55 pmHEL - ORD
2 stops51h 50mScandinavian Airlines
Deal found 9/17$432
This oojo deal was found by Cheapflights users on 9/14. 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
1 stop17h 00mScandinavian Airlines
Wed 12/104:10 pmHEL - ORD
2 stops32h 35mScandinavian Airlines
Deal found 9/14$433
This Delta deal was found by Cheapflights users on 9/16. 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 10/126:23 pmMDW - HEL
2 stops14h 17mDelta
Wed 10/226:40 amHEL - MDW
2 stops19h 45mDelta
Deal found 9/16$700
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 9/166:30 pmMDW - HEL
2 stops15h 10mDelta
Tue 9/236:40 amHEL - MDW
2 stops19h 55mDelta
Deal found 9/15$726
This Delta deal was found by Cheapflights users on 9/16. 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 11/36:23 pmMDW - HEL
2 stops14h 02mDelta
Mon 11/106:30 amHEL - MDW
2 stops19h 38mDelta
Deal found 9/16$750

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 September 17, 2025.
Use the filters below to find and compare flights from Chicago to Helsinki that are best for you.

Fly from

Chicago

Fly to

Helsinki

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 11/13

7:10 am-10:40 am

2 stops19h 30m

Helsinki-Vantaa

Tue 11/18

8:55 pm-4:45 pm

2 stops27h 50m

$420

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/12

7:20 pm-9:05 pm

2 stops17h 45m

Helsinki-Vantaa

Tue 11/18

4:10 pm-4:45 pm

2 stops32h 35m

$434

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 12/12

7:10 am-1:35 am

2 stops34h 25m

Helsinki-Vantaa

Tue 12/23

4:05 pm-4:45 pm

1 stop32h 40m

$454

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/5

7:20 pm-1:35 am

1 stop22h 15m

Helsinki-Vantaa

Wed 11/12

11:20 am-4:45 pm

1 stop13h 25m

$454

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/5

7:20 pm-1:35 am

1 stop22h 15m

Helsinki-Vantaa

Tue 11/11

4:05 pm-4:45 pm

1 stop32h 40m

$464

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 11/3

7:20 pm-8:20 pm

1 stop17h 00m

Helsinki-Vantaa

Fri 11/7

6:15 am-4:45 pm

1 stop18h 30m

$464

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/5

7:20 pm-9:05 pm

2 stops17h 45m

Helsinki-Vantaa

Mon 11/10

6:15 am-4:45 pm

1 stop18h 30m

$471

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 11/2

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

Fri 11/7

6:15 am-4:45 pm

1 stop18h 30m

$471

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 3/3

7:00 am-10:40 am

2 stops19h 40m

Helsinki-Vantaa

Fri 3/6

6:15 am-4:55 pm

1 stop18h 40m

$484

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sat 11/1

8:20 pm-3:25 pm

1 stop12h 05m

Helsinki-Vantaa

Fri 11/7

6:15 am-4:45 pm

1 stop18h 30m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 42 results
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Best time to book a flight from Chicago to Helsinki

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

How far ahead should I book a flight from Chicago to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Helsinki. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Helsinki, you should look to book at least 14 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Helsinki (average of $444). Flying from Chicago to Helsinki in June is currently the most expensive (average of $1,082). 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 CHI to HEL?

Find hourly flight availability from Chicago 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 September 17, 2025.

It’s optimal to fly from Chicago to Helsinki in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from Chicago to Helsinki?

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 September 17, 2025.
Read reviews from past customers who have flown Finnair, Scandinavian Airlines, and American Airlines from Chicago to Helsinki. 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.
Finnair
7.6
Good
1,324 reviews

Entertainment

6.9

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,324 reviews
Finnair
7.6
Good
1,324 reviews

Entertainment

6.9

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Scandinavian Airlines
7.4
Good
1,486 reviews
Finnair
7.6
Good
1,324 reviews

Entertainment

6.9

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,324 reviews

Entertainment

6.9

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Icelandair
7.0
Good
545 reviews
Finnair
7.6
Good
1,324 reviews

Entertainment

6.9

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
British Airways
6.7
Okay
7,367 reviews
Finnair
7.6
Good
1,324 reviews

Entertainment

6.9

Comfort

7.5

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly into when you book flights from Chicago to Helsinki. 7 airlines have flights to Helsinki-Vantaa from Chicago on a regular basis. Booking flights from Chicago to Helsinki-Vantaa should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Helsinki?

    There are many flights that can get you from Chicago to Helsinki in 14h 17m. Fly via Scandinavian Airlines or Delta to get the fastest option. There are 4428 mi between Chicago and Helsinki. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Helsinki round-trip?

    According to our current data, Scandinavian Airlines ($398), Icelandair ($430), and British Airways ($505) offers the cheapest pricing from Chicago to Helsinki. Scandinavian Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    Before booking your flight to Helsinki from Chicago, check out the most reliable airlines to get you to your destination on time: American Airlines (70%), Alaska Airlines (70%), Finnair( 70%).

  • What are the cheapest flights from Chicago to Helsinki?

    While on average a flight from Chicago to Helsinki is generally $2,058, our data shows the cheapest flight currently is $509. When looking at the most popular route, (Chicago O'Hare Intl - Helsinki-Vantaa), you can expect to pay $402 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Chicago to Helsinki (average of $444). Flying from Chicago to Helsinki in June is currently the most expensive (average of $1,082). 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 Chicago to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Helsinki flights
Midway to Helsinki flights
O'Hare Intl to Rovaniemi flights
St. Louis to Helsinki flights
Bloomington to Helsinki flights
O'Hare Intl to Kemi flights

Top 7 airlines flying from Chicago to Helsinki

Discover the top 7 airlines that operate flights from Chicago 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$398Average$552FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$430Average$674FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$505Average$821FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$576Average$958FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$612Average$989FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$625Average$1,092FlexibilityNo cancel feeOn-time76%
FinnairCheapest$664Average$931FlexibilityNo cancel feeOn-time76%

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