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$348+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HEL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 87 days in advance, depart on a Monday or Wednesday 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 June 12, 2025.

Round-trip from

$631
(Scandinavian Airlines)

One-way from

$348
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$992

Good round-trip deal

$621 or less

Good one-way deal

$636 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 ($203 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 June 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 June 12, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/3110:15 amORD - HEL
2 stops16h 20mScandinavian Airlines
Sun 9/711:15 amHEL - ORD
1 stop12h 55mScandinavian Airlines
Deal found 6/11$647
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:15 pmORD - HEL
1 stop31h 45mIcelandair
Sun 8/313:00 pmHEL - ORD
1 stop14h 15mIcelandair
Deal found 6/11$661
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/63:35 pmORD - HEL
1 stop19h 20mUnited Airlines
Wed 8/206:10 amHEL - ORD
1 stop16h 45mUnited Airlines
Deal found 6/11$669
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Wed 12/37:20 amORD - HEL
2 stops27h 20mAir Canada
Fri 12/126:55 amHEL - ORD
2 stops41h 12mAir Canada
Deal found 6/11$676
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:25 amORD - HEL
1 stop16h 15mTurkish Airlines
Thu 8/287:35 pmHEL - ORD
1 stop22h 05mTurkish Airlines
Deal found 6/11$685
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:35 pmORD - HEL
1 stop30h 10mBritish Airways
Mon 12/17:35 pmHEL - ORD
1 stop31h 10mBritish Airways
Deal found 6/12$712
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:15 pmORD - HEL
2 stops15h 05mMultiple Airlines
Tue 8/197:10 amHEL - ORD
2 stops17h 00mMultiple Airlines
Deal found 6/11$713
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/183:35 pmORD - HEL
1 stop12h 15mLufthansa
Wed 8/271:35 pmHEL - ORD
1 stop14h 20mLufthansa
Deal found 6/11$714
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 12/51:35 pmORD - HEL
2 stops18h 25mDelta
Thu 12/116:30 amHEL - ORD
1 stop16h 40mDelta
Deal found 6/11$769
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 11/151:00 pmMDW - HEL
2 stops19h 00mDelta
Sat 11/226:30 amHEL - MDW
2 stops20h 06mDelta
Deal found 6/10$798
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/189:30 pmORD - HEL
Nonstop8h 45mAmerican Airlines
Sun 8/3112:35 pmHEL - ORD
1 stop16h 38mAmerican Airlines
Deal found 6/11$804
This Finnair deal was found by Cheapflights users on 6/11. 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.
Mon 8/189:30 pmORD - HEL
Nonstop8h 45mFinnair
Sun 8/317:45 amHEL - ORD
1 stop16h 00mFinnair
Deal found 6/11$832

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 June 12, 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

Sun 8/31

10:15 am-10:35 am

2 stops16h 20m

Helsinki-Vantaa

Sun 9/7

11:15 am-4:10 pm

1 stop12h 55m

$647

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 8/18

10:15 pm-2:00 pm

1 stop31h 45m

Helsinki-Vantaa

Sun 8/31

3:00 pm-9:15 pm

1 stop14h 15m

$661

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 8/6

3:35 pm-6:55 pm

1 stop19h 20m

Helsinki-Vantaa

Wed 8/20

6:10 am-2:55 pm

1 stop16h 45m

$669

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 8/20

11:25 am-11:40 am

1 stop16h 15m

Helsinki-Vantaa

Fri 8/29

7:35 pm-9:40 am

1 stop22h 05m

$685

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 8/3

7:15 pm-6:20 pm

2 stops15h 05m

Helsinki-Vantaa

Tue 8/19

7:10 am-4:10 pm

2 stops17h 00m

$713

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 8/18

3:35 pm-11:50 am

1 stop12h 15m

Helsinki-Vantaa

Wed 8/27

1:35 pm-7:55 pm

1 stop14h 20m

$714

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 8/18

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

Sun 8/31

12:35 pm-9:13 pm

1 stop16h 38m

$804

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 8/18

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

Sun 8/31

7:45 am-3:45 pm

1 stop16h 00m

$832

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Sun 9/7

7:17 pm-5:40 pm

2 stops14h 23m

Helsinki-Vantaa

Sun 9/21

7:00 am-6:07 pm

2 stops19h 07m

$898

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 7/21

5:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

Tue 8/5

6:40 am-3:00 pm

1 stop16h 20m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Helsinki, you should look to book at least 85 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 June 12, 2025.

It’s optimal to fly from Chicago to Helsinki in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Chicago to Helsinki

Explore weekly flight availability from Chicago 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 June 12, 2025.

The most flights from CHI 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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Chicago to Helsinki. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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 5 inbound flights from Chicago per day.

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

    According to our current data, Turkish Airlines ($634), Scandinavian Airlines ($647), and Icelandair ($661) offers the cheapest pricing from Chicago to Helsinki. Turkish Airlines is currently priced 8% below the average price you’ll pay for this route.

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

    $451 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on United Airlines and Finnair, with prices starting from $494 and $505, 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 (65%), Alaska Airlines (65%), Finnair( 65%).

  • What are the cheapest flights from Chicago to Helsinki?

    While on average a flight from Chicago to Helsinki is generally $1,758, our data shows the cheapest flight currently is $384. When looking at the most popular route, (Chicago O'Hare Intl - Helsinki-Vantaa), you can expect to pay $400 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Vantaa
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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
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$393Average$599FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$457Average$658FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$543Average$854FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$576Average$981FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$612Average$991FlexibilityNo cancel feeOn-time69%
FinnairCheapest$644Average$945FlexibilityNo cancel feeOn-time76%

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