HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$448+ Cheap flights from Helsinki (HEL) to O'Hare Intl (ORD)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — ORD
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helsinki to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Helsinki-Vantaa to Chicago O'Hare Intl are usually found in February or October, booked 31 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from Helsinki to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to O'Hare Intl (ORD). 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$521
(Mytrip)

One-way from

$448
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$761

Good round-trip deal

$714 or less

Good one-way deal

$728 or less
Provider with most accurate pricing for Helsinki-Vantaa-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-Chicago O'Hare Intl flights.
Search Deals
From Helsinki-Vantaa to Chicago O'Hare Intl
Search Deals
One-way flight from Helsinki-Vantaa to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Helsinki-Vantaa to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Helsinki-Vantaa to Chicago O'Hare Intl.
Search Deals

Find flight deals from Helsinki to O'Hare Intl

Cheapest flights from Helsinki to O'Hare Intl
Explore the most affordable flight options available from Helsinki to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/293:00 pmHEL - ORD
1 stop11h 15mIcelandair
Tue 5/67:25 pmORD - HEL
1 stop10h 35mIcelandair
Deal found 4/2$521
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.
Tue 4/297:00 amHEL - ORD
1 stop15h 10mDelta
Tue 5/61:25 pmORD - HEL
2 stops19h 15mDelta
Deal found 4/2$559
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:25 pmHEL - ORD
1 stop27h 45mKLM
Thu 5/84:20 pmORD - HEL
1 stop12h 40mKLM
Deal found 4/2$570
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/191:55 pmHEL - ORD
1 stop32h 15mAir France
Mon 5/56:15 pmORD - HEL
2 stops14h 25mAir France
Deal found 4/2$623
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/244:25 pmHEL - ORD
Nonstop9h 25mFinnair
Sat 8/305:45 pmORD - HEL
1 stop12h 35mFinnair
Deal found 4/2$682
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.
Sat 4/194:00 pmHEL - ORD
Nonstop9h 25mAmerican Airlines
Mon 5/59:30 pmORD - HEL
Nonstop8h 45mAmerican Airlines
Deal found 4/2$689
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/197:00 amHEL - ORD
1 stop15h 10mMultiple Airlines
Mon 5/56:15 pmORD - HEL
2 stops14h 25mMultiple Airlines
Deal found 4/2$691
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:10 amHEL - ORD
1 stop12h 45mLufthansa
Tue 4/2210:30 pmORD - HEL
1 stop17h 55mLufthansa
Deal found 4/2$711
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:00 amHEL - ORD
1 stop17h 00mBritish Airways
Sat 5/248:30 pmORD - HEL
1 stop13h 20mBritish Airways
Deal found 4/2$728
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:10 amHEL - ORD
1 stop12h 45mAir Canada
Mon 5/53:35 pmORD - HEL
1 stop12h 15mAir Canada
Deal found 4/2$852
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:35 pmHEL - ORD
2 stops37h 51mUnited Airlines
Sat 5/247:00 amORD - HEL
2 stops27h 55mUnited Airlines
Deal found 4/2$865
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:35 pmHEL - ORD
1 stop22h 05mTurkish Airlines
Tue 4/2211:25 amORD - HEL
1 stop16h 15mTurkish Airlines
Deal found 4/2$2,140

Cheapflights Fare Finder

Customize your flight search to find flights from Helsinki to O'Hare Intl 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 3, 2025.
Use the filters below to find and compare flights from Helsinki to Chicago O'Hare Intl Airport that are best for you.

Fly from

Helsinki

Fly to

O'Hare Intl

Route

Depart

Return

Price

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Tue 4/29

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Tue 5/6

7:25 pm-2:00 pm

1 stop10h 35m

$521

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Tue 4/29

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Tue 5/6

1:25 pm-4:40 pm

2 stops19h 15m

$559

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Thu 5/1

6:25 pm-2:10 pm

1 stop27h 45m

Chicago O'Hare Intl

Thu 5/8

4:20 pm-1:00 pm

1 stop12h 40m

$570

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 4/19

1:55 pm-2:10 pm

1 stop32h 15m

Chicago O'Hare Intl

Mon 5/5

6:15 pm-4:40 pm

2 stops14h 25m

$623

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sun 8/24

4:25 pm-5:50 pm

Nonstop9h 25m

Chicago O'Hare Intl

Sat 8/30

5:45 pm-2:20 pm

1 stop12h 35m

$682

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 4/19

4:00 pm-5:25 pm

Nonstop9h 25m

Chicago O'Hare Intl

Mon 5/5

9:30 pm-2:15 pm

Nonstop8h 45m

$689

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 4/19

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Mon 5/5

6:15 pm-4:40 pm

2 stops14h 25m

$691

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Tue 4/15

6:10 am-10:55 am

1 stop12h 45m

Chicago O'Hare Intl

Tue 4/22

10:30 pm-12:25 am

1 stop17h 55m

$711

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 5/17

8:00 am-5:00 pm

1 stop17h 00m

Chicago O'Hare Intl

Sat 5/24

8:30 pm-5:50 pm

1 stop13h 20m

$728

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sat 4/19

6:10 am-10:55 am

1 stop12h 45m

Chicago O'Hare Intl

Mon 5/5

3:35 pm-11:50 am

1 stop12h 15m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Helsinki to O'Hare Intl

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 Helsinki to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice 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 Helsinki-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helsinki-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Helsinki-Chicago O'Hare Intl Airport 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 Helsinki to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Helsinki 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 Helsinki to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Helsinki to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Helsinki to O'Hare Intl. Price data was last updated on March 28, 2025.

To ensure you get the cheapest price possible for a flight from Helsinki to Chicago O'Hare Intl Airport, you should look to book at least 31 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 Helsinki to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Helsinki to Chicago O'Hare Intl Airport (average of $245). Flying from Helsinki to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 HEL to ORD?

Find hourly flight availability from Helsinki to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.

When flying from Helsinki to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 32% versus a flight in the afternoon.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated April 3, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Helsinki to Chicago. 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
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Helsinki to O'Hare Intl. 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 from for flights from Helsinki to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Helsinki, you will be flying from Helsinki-Vantaa, which is the city’s only airport. Helsinki-Vantaa (HEL) is located 10.6 mi from the center of Helsinki. There are 4 flights from Helsinki-Vantaa to Chicago O'Hare Intl per day from 3 different airlines.

  • What are the cheapest airlines flying from Helsinki to Chicago O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from Helsinki to Chicago O'Hare Intl Airport round-trip from $521. Other airlines that can offer you cheap pricing are Delta, from $559, and KLM, from $570. These flights start at 31% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Helsinki to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $580. Finnair flights start at $725 while deals on Delta start at $767 one-way.

  • What are the most reliable airlines from Helsinki to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Helsinki to Chicago O'Hare Intl Airport consider choosing American Airlines (0%), Alaska Airlines (0%) or Finnair (0%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Helsinki to Chicago O'Hare Intl Airport?

    Looking for the cheapest flight from Helsinki to Chicago O'Hare Intl Airport? While on average our users pay $1,151, our data indicates the cheapest price to be $497. The most popular route (Helsinki-Vantaa - Chicago O'Hare Intl), is priced around $519.

  • Can I find deals for flights from Helsinki to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Helsinki to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helsinki to O'Hare Intl?

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

  • Can I find deals for business class flights from Helsinki to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Helsinki to O'Hare Intl 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 Helsinki to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Helsinki to Chicago O'Hare Intl Airport (average of $245). Flying from Helsinki to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Schaumburg
Rosemont
Beloit
Racine
Hoffman Estates
Naperville
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
New Buffalo
Evanston
Waukegan
Elgin
Glenview

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Helsinki to O'Hare Intl

Discover the top 3 airlines that operate flights from Helsinki to O'Hare Intl. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$617Average$718FlexibilityNo cancel feeOn-time76%
FinnairCheapest$695Average$903FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$785Average$1,374FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.