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

Currently priced at $634, Turkish Airlines will fly you from Chicago O'Hare Intl Airport to Helsinki and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Icelandair - these airlines can fly you to your destination from $647 and $661, respectively. Turkish Airlines is currently priced 17% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $451. United Airlines flights start at $494 while deals on Finnair start at $505 one-way.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Helsinki?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Helsinki flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

While on average a flight from Chicago O'Hare Intl Airport 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.

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

The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Helsinki are American Airlines (65%), Alaska Airlines (65%) and Finnair (65%).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Helsinki?

Before booking your flight from Chicago O'Hare Intl Airport to Helsinki check out the most popular airlines for this route: American Airlines, Finnair or British Airways.

What is the cheapest day to fly round-trip from Chicago O'Hare Intl Airport to Helsinki?

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Helsinki?

The best pricing can be found in the month of November. Prices to Helsinki from Chicago O'Hare Intl Airport average $690. You can even find prices in November for less than $690, as users have found deals to Helsinki from as low as $380. The month of June appears to be one of the more expensive times to travel to Helsinki from Chicago O'Hare Intl Airport. Flying in the targeted month can save you up to 43%.

What airport do you fly into for flights to Helsinki from Chicago O'Hare Intl?

Located just 10.6 mi from the city center, Helsinki-Vantaa is the airport most travelers will use when flying to Helsinki from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Helsinki-Vantaa (HEL) should be relatively easy as there are 5 daily inbound flights from Chicago O'Hare Intl from 6 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from O'Hare Intl 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.

$348+ Flights from Chicago O'Hare Intl Airport to Helsinki

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

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Helsinki-Vantaa are usually found in February or January, booked 14 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from O'Hare Intl to Helsinki

Round-trip from	$631 (Scandinavian Airlines)
One-way from	$348 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$1,010
Good round-trip deal	$621 or less
Good one-way deal	$636 or less

From Chicago O'Hare Intl to Helsinki-Vantaa

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One-way flight from Chicago O'Hare Intl to Helsinki-Vantaa

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Highest demand for flights based on searches. 22% potential increase in price ($219 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($24 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 O'Hare Intl to Helsinki-Vantaa.

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Price to beat on a one-way flight from Chicago O'Hare Intl to Helsinki-Vantaa.

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Find flight deals from O'Hare Intl to Helsinki

Cheapest flights from O'Hare Intl to Helsinki
Explore the most affordable flight options available from O'Hare Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

dom. 8/3110:15 amORD - HEL

2 stops16h 20mScandinavian Airlines

dom. 9/711:15 amHEL - ORD

1 stop12h 55mScandinavian Airlines

Deal found 6/11

$647

lun. 8/1810:15 pmORD - HEL

1 stop31h 45mIcelandair

dom. 8/313:00 pmHEL - ORD

1 stop14h 15mIcelandair

Deal found 6/11

$661

mié. 8/63:35 pmORD - HEL

1 stop19h 20mUnited Airlines

mié. 8/206:10 amHEL - ORD

1 stop16h 45mUnited Airlines

Deal found 6/11

$669

mié. 12/37:20 amORD - HEL

2 stops27h 20mAir Canada

vie. 12/126:55 amHEL - ORD

2 stops41h 12mAir Canada

Deal found 6/11

$676

mié. 8/2011:25 amORD - HEL

1 stop16h 15mTurkish Airlines

jue. 8/287:35 pmHEL - ORD

1 stop22h 05mTurkish Airlines

Deal found 6/11

$685

sáb. 11/228:35 pmORD - HEL

1 stop30h 10mBritish Airways

lun. 12/17:35 pmHEL - ORD

1 stop31h 10mBritish Airways

Deal found 6/12

$712

dom. 8/37:15 pmORD - HEL

2 stops15h 05mMultiple Airlines

mar. 8/197:10 amHEL - ORD

2 stops17h 00mMultiple Airlines

Deal found 6/11

$713

lun. 8/183:35 pmORD - HEL

1 stop12h 15mLufthansa

mié. 8/271:35 pmHEL - ORD

1 stop14h 20mLufthansa

Deal found 6/11

$714

vie. 12/51:35 pmORD - HEL

2 stops18h 25mDelta

jue. 12/116:30 amHEL - ORD

1 stop16h 40mDelta

Deal found 6/11

$769

lun. 8/189:30 pmORD - HEL

Nonstop8h 45mAmerican Airlines

dom. 8/3112:35 pmHEL - ORD

1 stop16h 38mAmerican Airlines

Deal found 6/11

$804

lun. 8/189:30 pmORD - HEL

Nonstop8h 45mFinnair

dom. 8/317:45 amHEL - ORD

1 stop16h 00mFinnair

Deal found 6/11

$832

Best flights from O'Hare Intl to Helsinki
Discover carefully curated flight deals from O'Hare Intl to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mié. 9/1712:00 pmORD - HEL

3 stops16h 50mMultiple Airlines

lun. 9/227:10 amHEL - ORD

2 stops17h 00mMultiple Airlines

Deal found 6/12

$631

mié. 9/1711:25 amORD - HEL

1 stop16h 15mTurkish Airlines

lun. 9/227:35 pmHEL - ORD

1 stop22h 05mTurkish Airlines

Deal found 6/12

$634

dom. 8/3110:15 amORD - HEL

2 stops16h 20mScandinavian Airlines

dom. 9/711:15 amHEL - ORD

1 stop12h 55mScandinavian Airlines

Deal found 6/11

$647

lun. 8/1810:15 pmORD - HEL

1 stop31h 45mIcelandair

dom. 8/313:00 pmHEL - ORD

1 stop14h 15mIcelandair

Deal found 6/11

$661

vie. 12/51:35 pmORD - HEL

2 stops18h 25mDelta

jue. 12/116:30 amHEL - ORD

2 stops20h 26mDelta

Deal found 6/12

$663

mié. 8/63:35 pmORD - HEL

1 stop19h 20mUnited Airlines

mié. 8/206:10 amHEL - ORD

1 stop16h 45mUnited Airlines

Deal found 6/11

$669

mar. 12/23:35 pmORD - HEL

2 stops40h 55mAir Canada

mié. 12/106:50 amHEL - ORD

2 stops39h 49mAir Canada

Deal found 6/12

$673

sáb. 11/228:35 pmORD - HEL

1 stop30h 10mBritish Airways

lun. 12/17:35 pmHEL - ORD

1 stop31h 10mBritish Airways

Deal found 6/12

$712

lun. 8/183:35 pmORD - HEL

1 stop12h 15mLufthansa

mié. 8/271:35 pmHEL - ORD

1 stop14h 20mLufthansa

Deal found 6/11

$714

lun. 8/189:30 pmORD - HEL

Nonstop8h 45mAmerican Airlines

dom. 8/3112:35 pmHEL - ORD

1 stop16h 38mAmerican Airlines

Deal found 6/11

$804

vie. 12/52:10 pmORD - HEL

2 stops15h 00mKLM

mié. 12/107:00 amHEL - ORD

2 stops17h 38mKLM

Deal found 6/12

$819

lun. 8/189:30 pmORD - HEL

Nonstop8h 45mFinnair

dom. 8/317:45 amHEL - ORD

1 stop16h 00mFinnair

Deal found 6/11

$832

Last-minute flights from O'Hare Intl to Helsinki
Discover last-minute flight deals from O'Hare Intl to Helsinki. Data last updated junio 12, 2025 and is based on user searches.

mié. 6/184:51 pmORD - HEL

2 stops37h 09mIcelandair

mié. 7/211:55 amHEL - ORD

2 stops17h 20mIcelandair

Deal found 6/10

$1,243

mié. 6/187:50 pmORD - HEL

1 stop31h 50mTurkish Airlines

mié. 7/212:35 pmHEL - ORD

1 stop29h 05mTurkish Airlines

Deal found 6/11

$1,347

mié. 6/189:30 pmORD - HEL

Nonstop8h 45mFinnair

mié. 7/24:25 pmHEL - ORD

Nonstop9h 25mFinnair

Deal found 6/10

$1,451

mié. 6/189:30 pmORD - HEL

Nonstop8h 45mBritish Airways

mié. 7/27:30 pmHEL - ORD

1 stop24h 25mBritish Airways

Deal found 6/11

$1,623

mié. 6/1810:00 amORD - HEL

3 stops18h 50mMultiple Airlines

mié. 7/25:05 pmHEL - ORD

2 stops31h 05mMultiple Airlines

Deal found 6/10

$2,780

sáb. 6/219:40 pmORD - HEL

1 stop13h 15mUnited Airlines

mar. 6/246:10 amHEL - ORD

1 stop21h 45mUnited Airlines

Deal found 6/11

$4,689

sáb. 6/214:20 pmORD - HEL

2 stops23h 30mAustrian Airlines

mar. 6/2412:35 pmHEL - ORD

2 stops56h 45mAustrian Airlines

Deal found 6/11

$4,840

vie. 7/45:45 pmORD - HEL

1 stop12h 35mBritish Airways

lun. 7/149:05 pmHEL - ORD

1 stop22h 50mBritish Airways

Deal found 6/10

$1,003

vie. 7/118:25 pmORD - HEL

2 stops32h 25mAir Canada

jue. 7/246:10 amHEL - ORD

2 stops23h 55mAir Canada

Deal found 6/10

$986

vie. 7/1111:53 amORD - HEL

1 stop14h 52mAmerican Airlines

jue. 7/244:25 pmHEL - ORD

Nonstop9h 25mAmerican Airlines

Deal found 6/11

$1,022

lun. 7/217:25 pmORD - HEL

1 stop10h 35mIcelandair

lun. 7/283:00 pmHEL - ORD

1 stop11h 15mIcelandair

Deal found 6/12

$766

lun. 7/215:10 pmORD - HEL

1 stop15h 30mDelta

mar. 8/56:40 amHEL - ORD

1 stop16h 20mDelta

Deal found 6/10

$924

One-way flights from O'Hare Intl to Helsinki
Search for one-way flight options from O'Hare Intl to Helsinki. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mié. 7/235:51 amORD - HEL

3 stops30h 49mMultiple Airlines

Deal found 6/10

$348

dom. 7/273:35 pmORD - HEL

1 stop12h 20mLufthansa

Deal found 6/12

$451

dom. 7/2710:40 amORD - HEL

2 stops30h 00mUnited Airlines

Deal found 6/12

$494

mié. 7/239:30 pmORD - HEL

Nonstop8h 45mFinnair

Deal found 6/10

$505

vie. 7/258:25 pmORD - HEL

2 stops32h 25mAir Canada

Deal found 6/10

$530

vie. 7/259:30 pmORD - HEL

Nonstop8h 45mBritish Airways

Deal found 6/10

$649

vie. 7/259:30 pmORD - HEL

Nonstop8h 45mIberia

Deal found 6/11

$658

sáb. 7/511:22 amORD - HEL

3 stops18h 53mScandinavian Airlines

Deal found 6/11

$2,617

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

dom. 8/31

10:15 am-10:35 am

2 stops16h 20m

Helsinki-Vantaa

dom. 9/7

11:15 am-4:10 pm

1 stop12h 55m

$647

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

lun. 8/18

10:15 pm-2:00 pm

1 stop31h 45m

Helsinki-Vantaa

dom. 8/31

3:00 pm-9:15 pm

1 stop14h 15m

$661

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mié. 8/6

3:35 pm-6:55 pm

1 stop19h 20m

Helsinki-Vantaa

mié. 8/20

6:10 am-2:55 pm

1 stop16h 45m

$669

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mié. 8/20

11:25 am-11:40 am

1 stop16h 15m

Helsinki-Vantaa

vie. 8/29

7:35 pm-9:40 am

1 stop22h 05m

$685

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

dom. 8/3

7:15 pm-6:20 pm

2 stops15h 05m

Helsinki-Vantaa

mar. 8/19

7:10 am-4:10 pm

2 stops17h 00m

$713

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

lun. 8/18

3:35 pm-11:50 am

1 stop12h 15m

Helsinki-Vantaa

mié. 8/27

1:35 pm-7:55 pm

1 stop14h 20m

$714

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

lun. 8/18

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

dom. 8/31

12:35 pm-9:13 pm

1 stop16h 38m

$804

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

lun. 8/18

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

dom. 8/31

7:45 am-3:45 pm

1 stop16h 00m

$832

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

lun. 7/21

5:10 pm-4:40 pm

1 stop15h 30m

Helsinki-Vantaa

mar. 8/5

6:40 am-3:00 pm

1 stop16h 20m

$924

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

mié. 7/23

5:51 am-8:40 pm

3 stops30h 49m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results

Best time to book a flight from O'Hare Intl to Helsinki

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

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

The price you pay for your flight from Chicago O'Hare Intl Airport to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Helsinki (average of $444). Flying from Chicago O'Hare Intl Airport 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 ORD to HEL?

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Chicago O'Hare Intl Airport to Helsinki by exploring options for tickets in the afternoon.

Weekly flight availability from Chicago O'Hare Intl Airport to Helsinki

The most flights from ORD 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

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

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 a feel of what it's like to fly with Delta, KLM and Finnair from Chicago to Helsinki by reading reviews from past customers. 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

7,946 reviews

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

7,946 reviews

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

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

7,946 reviews

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

7,946 reviews

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

3,848 reviews

Delta

8.0

Very good

7,946 reviews

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

What airport do you fly into for flights to Helsinki from Chicago O'Hare Intl?
Located just 10.6 mi from the city center, Helsinki-Vantaa is the airport most travelers will use when flying to Helsinki from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Helsinki-Vantaa (HEL) should be relatively easy as there are 5 daily inbound flights from Chicago O'Hare Intl from 6 different airlines.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Helsinki round-trip?
Currently priced at $634, Turkish Airlines will fly you from Chicago O'Hare Intl Airport to Helsinki and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Icelandair - these airlines can fly you to your destination from $647 and $661, respectively. Turkish Airlines is currently priced 17% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Helsinki one-way?
To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $451. United Airlines flights start at $494 while deals on Finnair start at $505 one-way.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Helsinki?
The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Helsinki are American Airlines (65%), Alaska Airlines (65%) and Finnair (65%).
What are the cheapest flights from Chicago O'Hare Intl Airport to Helsinki?
While on average a flight from Chicago O'Hare Intl Airport 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 O'Hare Intl to Helsinki that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Helsinki?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Helsinki.
Can I find deals for business class flights from O'Hare Intl to Helsinki?
Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Helsinki?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Helsinki (average of $444). Flying from Chicago O'Hare Intl Airport 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

Vantaa

Lahti

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Helsinki

Midway to Helsinki flights

O'Hare Intl to Rovaniemi flights

O'Hare Intl to Kemi flights

Other flights to Helsinki

Top 6 airlines flying from O'Hare Intl to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$393	Average$599	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$457	Average$658	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$543	Average$854	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$576	Average$981	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$612	Average$991	FlexibilityNo cancel fee	On-time69%
Finnair	Cheapest$644	Average$945	FlexibilityNo cancel fee	On-time76%

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$348+ Cheap flights from O'Hare Intl (ORD) 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.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Helsinki-Vantaa are usually found in February or January, booked 14 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from O'Hare Intl to Helsinki

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from O'Hare Intl to Helsinki

Cheapest flights from O'Hare Intl to HelsinkiExplore the most affordable flight options available from O'Hare Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from O'Hare Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Helsinki that are best for you.

Best time to book a flight from O'Hare Intl to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Helsinki

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Helsinki. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Helsinki?

What is the cheapest time of day to fly from ORD to HEL?

Find hourly flight availability from O'Hare Intl 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 junio 12, 2025.

Weekly flight availability from Chicago O'Hare Intl Airport to Helsinki

Explore weekly flight availability from O'Hare Intl 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 junio 12, 2025.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

Reviews of airlines servicing Helsinki

Get a feel of what it's like to fly with Delta, KLM and Finnair from Chicago to Helsinki by reading reviews from past customers. 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

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

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

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

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

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

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

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

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Helsinki?

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Alternative routes for O'Hare Intl to Helsinki

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Top 6 airlines flying from O'Hare Intl to Helsinki

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Cheapest flights from O'Hare Intl to Helsinki
Explore the most affordable flight options available from O'Hare Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.