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$271+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HEL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$439
(oojo)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$881

Good round-trip deal

$674 or less

Good one-way deal

$598 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. 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 July 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 July 31, 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 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 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 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:15 pmORD - HEL
1 stop31h 45mIcelandair
Tue 8/263:00 pmHEL - ORD
1 stop11h 15mIcelandair
Deal found 7/29$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 Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:15 pmMDW - HEL
2 stops14h 25mAir France
Sun 10/127:00 amHEL - MDW
2 stops17h 09mAir France
Deal found 7/29$1,662
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/293:25 pmMDW - HEL
1 stop15h 35mMultiple Airlines
Mon 9/111:55 amHEL - MDW
1 stop17h 53mMultiple Airlines
Deal found 7/30$1,968

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 July 31, 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

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

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

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

MDW - HEL

MDWHEL

Chicago Midway

Tue 1/20

1:00 pm-4:25 pm

2 stops19h 25m

Helsinki-Vantaa

Tue 1/27

6:30 am-9:46 pm

2 stops23h 16m

$701

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Sat 10/4

6:15 pm-4:40 pm

2 stops14h 25m

Helsinki-Vantaa

Sun 10/12

7:00 am-4:09 pm

2 stops17h 09m

$1,662

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Fri 8/29

3:25 pm-3:00 pm

1 stop15h 35m

Helsinki-Vantaa

Mon 9/1

11:55 am-9:48 pm

1 stop17h 53m

$1,968

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 10/21

11:13 am-10:00 pm

2 stops26h 47m

$271

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Fri 10/10

8:39 am-10:25 pm

2 stops29h 46m

$319

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 8/12

10:15 pm-2:00 pm

1 stop31h 45m

$446

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 11/2

7:20 pm-3:25 pm

1 stop12h 05m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 15 results
1
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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 July 25, 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 $1,081). 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 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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown Delta, Finnair, and Air France 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.
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!
Scandinavian Airlines
7.4
Good
1,457 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 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. 6 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 4 inbound flights from Chicago per day.

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

    According to our current data, Scandinavian Airlines ($439), Turkish Airlines ($550), and Icelandair ($586) offers the cheapest pricing from Chicago to Helsinki. Scandinavian Airlines is currently priced 36% below the average price you’ll pay for this route.

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

    $446 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Scandinavian Airlines and American Airlines, with prices starting from $470 and $473, respectively.

  • 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 (64%), Alaska Airlines (64%), Finnair( 64%).

  • What are the cheapest flights from Chicago to Helsinki?

    While on average a flight from Chicago to Helsinki is generally $2,331, our data shows the cheapest flight currently is $333. When looking at the most popular route, (Chicago O'Hare Intl - Helsinki-Vantaa), you can expect to pay $420 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 $1,081). 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

Browse thousands of different options on Cheapflights for your next trip

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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
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O'Hare Intl to Rovaniemi flights
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O'Hare Intl to Kemi flights

Top 6 airlines flying from Chicago to Helsinki

Discover the top 6 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 July 31, 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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