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$265+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HEL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Helsinki-Vantaa are usually found in March or February, booked 29 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 December 23, 2025.

This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/315:20 pmORD - HEL
1 stop15h 05mDelta
Thu 1/82:05 pmHEL - ORD
1 stop32h 15mDelta
Deal found 12/21$652
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/307:00 amORD - HEL
2 stops26h 25mDelta
Thu 1/82:05 pmHEL - ORD
1 stop32h 15mDelta
Deal found 12/21$662
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/316:02 pmORD - HEL
2 stops14h 23mDelta
Mon 1/122:05 pmHEL - ORD
2 stops39h 00mDelta
Deal found 12/21$666
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/309:41 amORD - HEL
2 stops23h 44mDelta
Mon 1/122:05 pmHEL - ORD
2 stops35h 50mDelta
Deal found 12/21$672
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - HEL
1 stop18h 45mLufthansa
Mon 1/127:35 pmHEL - ORD
1 stop26h 35mLufthansa
Deal found 12/21$682
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/315:20 pmORD - HEL
1 stop15h 05mDelta
Sun 1/116:30 amHEL - ORD
2 stops35h 19mDelta
Deal found 12/21$724
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - HEL
2 stops19h 30mLufthansa
Thu 1/81:55 pmHEL - ORD
2 stops32h 15mLufthansa
Deal found 12/21$726
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/309:41 amORD - HEL
2 stops23h 44mDelta
Sun 1/116:30 amHEL - ORD
2 stops35h 19mDelta
Deal found 12/21$734
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/3110:35 pmORD - HEL
1 stop18h 45mUnited Airlines
Sat 1/101:50 pmHEL - ORD
1 stop29h 20mUnited Airlines
Deal found 12/21$735
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - HEL
1 stop18h 45mLufthansa
Sun 1/116:55 amHEL - ORD
1 stop36h 15mLufthansa
Deal found 12/21$740
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Tue 12/237:44 amMDW - HEL
1 stop22h 11mMultiple Airlines
Tue 12/308:30 pmHEL - MDW
2 stops48h 31mMultiple Airlines
Deal found 12/22$1,862
This Icelandair deal was found by Cheapflights users on 12/22. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:40 amMDW - HEL
2 stops17h 15mMultiple Airlines
Sun 12/281:55 pmHEL - MDW
2 stops17h 10mMultiple Airlines
Deal found 12/22$3,157

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$431
(lol.travel)

One-way from

$265
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$600

Good round-trip deal

$538 or less

Good one-way deal

$468 or less
Provider with most accurate pricing for Chicago (CHI)-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Helsinki-Vantaa flights.
Search Deals
From Chicago (CHI) to Helsinki-Vantaa
Search Deals
One-way flight from Chicago (CHI) to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Helsinki-Vantaa.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Helsinki-Vantaa.
Search Deals

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 December 23, 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 2/5

7:20 pm-10:30 am

2 stops31h 10m

Helsinki-Vantaa

Wed 2/11

7:00 am-4:45 pm

2 stops17h 45m

$437

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

7:10 pm-11:45 pm

2 stops20h 35m

Helsinki-Vantaa

Wed 2/11

7:00 am-4:45 pm

2 stops17h 45m

$444

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/15

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

Wed 1/21

4:10 pm-4:45 pm

2 stops32h 35m

$447

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/8

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Tue 1/13

1:55 pm-5:20 pm

1 stop11h 25m

$465

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 1/30

7:10 pm-12:10 pm

2 stops33h 00m

Helsinki-Vantaa

Tue 2/3

4:10 pm-4:45 pm

2 stops32h 35m

$480

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 1/9

7:20 pm-2:55 pm

2 stops35h 35m

Helsinki-Vantaa

Tue 1/13

11:05 am-4:45 pm

2 stops37h 40m

$486

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Tue 4/28

6:34 pm-4:40 pm

2 stops14h 06m

Helsinki-Vantaa

Wed 5/6

7:00 am-5:54 pm

2 stops18h 54m

$665

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Wed 2/4

6:14 pm-5:25 pm

2 stops15h 11m

Helsinki-Vantaa

Wed 2/11

7:00 am-5:29 pm

2 stops18h 29m

$672

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Thu 1/29

1:26 pm-4:25 pm

2 stops18h 59m

Helsinki-Vantaa

Wed 2/11

7:00 am-5:29 pm

2 stops18h 29m

$716

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Sun 2/22

6:40 pm-5:25 pm

2 stops14h 45m

Helsinki-Vantaa

Tue 3/3

7:00 am-5:37 pm

2 stops18h 37m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 29 results
1
2
3

Compare providers for flights from Chicago to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Helsinki in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Helsinki flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Helsinki flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Helsinki flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 19, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Helsinki, you should look to book at least 29 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, April is the cheapest month in which you can book a flight from Chicago to Helsinki (average of $393). Flying from Chicago to Helsinki in June is currently the most expensive (average of $890). 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 December 23, 2025.

It’s optimal to fly from Chicago to Helsinki in the afternoon. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the morning.

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 December 23, 2025.
Read reviews from past customers who have flown Finnair, Scandinavian Airlines, and United 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
1,339 reviews

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,339 reviews
Finnair
7.6
Good
1,339 reviews

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Scandinavian Airlines
7.4
Good
1,620 reviews
Finnair
7.6
Good
1,339 reviews

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
United Airlines
7.4
Good
9,103 reviews
Finnair
7.6
Good
1,339 reviews

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Icelandair
7.0
Good
592 reviews
Finnair
7.6
Good
1,339 reviews

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,649 reviews
Finnair
7.6
Good
1,339 reviews

Crew

8.1

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

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 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 06m. Fly via Scandinavian Airlines, Delta, or KLM 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 ($393), Icelandair ($419), and Lufthansa ($625) offers the cheapest pricing from Chicago to Helsinki. Scandinavian Airlines is currently priced 43% below the average price you’ll pay for this route.

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

    $297 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Finnair and KLM, with prices starting from $506 and $609, respectively.

  • What are the cheapest flights from Chicago to Helsinki?

    While on average a flight from Chicago to Helsinki is generally $649, our data shows the cheapest flight currently is $412. When looking at the most popular route, (Chicago O'Hare Intl - Helsinki-Vantaa), you can expect to pay $409 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, April is the cheapest month in which you can book a flight from Chicago to Helsinki (average of $393). Flying from Chicago to Helsinki in June is currently the most expensive (average of $890). 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 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$394Average$568FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$419Average$662FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$625Average$890FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$644Average$1,057FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$653Average$982FlexibilityNo cancel feeOn-time71%
FinnairCheapest$664Average$945FlexibilityNo cancel feeOn-time76%

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