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Cheap flights from Helsinki to Illinois from $451

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Illinois departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 pm - 4:45 pmHEL-ORD
27h 50m2 stops
Multiple Airlines Logo
7:20 pm - 10:25 pmORD-HEL
19h 05m2 stops
$542Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
Scandinavian Airlines Logo
7:20 pm - 1:35 amORD-HEL
22h 15m1 stop
$629Scandinavian Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
Scandinavian Airlines Logo
7:20 pm - 10:35 amORD-HEL
31h 15m2 stops
$636Scandinavian Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
7:00 am - 4:48 pmHEL-ORD
16h 48m2 stops
Delta Logo
6:20 pm - 4:25 pmORD-HEL
15h 05m1 stop
$673Delta
Find Deal
Tue, Mar 10 - Tue, Mar 17
Delta Logo
7:00 am - 2:20 pmHEL-ORD
15h 20m1 stop
Delta Logo
6:00 pm - 4:25 pmORD-HEL
14h 25m2 stops
$675Delta
Find Deal
Fri, Dec 5 - Tue, Dec 9
Air France Logo
7:00 am - 2:20 pmHEL-ORD
15h 20m1 stop
Air France Logo
6:00 pm - 4:25 pmORD-HEL
14h 25m2 stops
$683Air France
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Wed, Dec 3 - Tue, Dec 9
KLM Logo
7:00 am - 2:20 pmHEL-ORD
15h 20m1 stop
KLM Logo
1:55 pm - 1:10 pmORD-HEL
15h 15m2 stops
$686KLM
Find Deal
Mon, Dec 8 - Thu, Jan 8
KLM Logo
2:05 pm - 2:20 pmHEL-ORD
32h 15m1 stop
KLM Logo
1:55 pm - 1:10 pmORD-HEL
15h 15m2 stops
$689KLM
Find Deal
Tue, Dec 9 - Thu, Jan 8
United Airlines Logo
6:55 am - 1:10 pmHEL-ORD
14h 15m1 stop
United Airlines Logo
3:35 pm - 6:50 pmORD-HEL
19h 15m2 stops
$710United Airlines
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Mon, Dec 8 - Mon, Jan 12
United Airlines Logo
6:55 am - 1:10 pmHEL-ORD
14h 15m1 stop
United Airlines Logo
10:54 am - 1:10 pmORD-HEL
18h 16m2 stops
$711United Airlines
Find Deal
Sun, Dec 7 - Wed, Jan 7

United Airlines flights from Helsinki to Illinois

Our best United Airlines deals on Helsinki to Illinois flight tickets
United Airlines
Dec 8
HEL6:55 amHelsinki-Vantaa
14h 15m
1 stop
ORD1:10 pmChicago O'Hare Intl
Jan 12
ORD3:35 pmChicago O'Hare Intl
19h 15m
2 stops
HEL6:50 pmHelsinki-Vantaa
$710
Find similar
United Airlines
Dec 7
HEL6:55 amHelsinki-Vantaa
14h 15m
1 stop
ORD1:10 pmChicago O'Hare Intl
Jan 7
ORD10:54 amChicago O'Hare Intl
18h 16m
2 stops
HEL1:10 pmHelsinki-Vantaa
$711
Find similar
United Airlines
Dec 6
HEL6:55 amHelsinki-Vantaa
14h 15m
1 stop
ORD1:10 pmChicago O'Hare Intl
Jan 10
ORD10:44 amChicago O'Hare Intl
18h 21m
2 stops
HEL1:05 pmHelsinki-Vantaa
$712
Find similar

KLM flights from Helsinki to Illinois

Our best KLM deals on Helsinki to Illinois flight tickets
KLM
Dec 8
HEL7:00 amHelsinki-Vantaa
15h 20m
1 stop
ORD2:20 pmChicago O'Hare Intl
Jan 8
ORD1:55 pmChicago O'Hare Intl
15h 15m
2 stops
HEL1:10 pmHelsinki-Vantaa
$686
Find similar
KLM
Dec 9
HEL2:05 pmHelsinki-Vantaa
32h 15m
1 stop
ORD2:20 pmChicago O'Hare Intl
Jan 8
ORD1:55 pmChicago O'Hare Intl
15h 15m
2 stops
HEL1:10 pmHelsinki-Vantaa
$689
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to Illinois 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Helsinki to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Wed 12/3

8:55 pm-4:45 pm

2 stops27h 50m

Chicago O'Hare Intl

Sun 12/7

7:20 pm-10:25 pm

2 stops19h 05m

$542

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Thu 12/4

6:15 am-4:45 pm

1 stop18h 30m

Chicago O'Hare Intl

Mon 12/8

7:20 pm-1:35 am

1 stop22h 15m

$629

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Thu 12/4

6:15 am-4:45 pm

1 stop18h 30m

Chicago O'Hare Intl

Mon 12/8

7:20 pm-10:35 am

2 stops31h 15m

$636

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Tue 3/10

7:00 am-4:48 pm

2 stops16h 48m

Chicago O'Hare Intl

Tue 3/17

6:20 pm-4:25 pm

1 stop15h 05m

$673

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Fri 12/5

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Tue 12/9

6:00 pm-4:25 pm

2 stops14h 25m

$675

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Wed 12/3

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Tue 12/9

6:00 pm-4:25 pm

2 stops14h 25m

$683

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 12/8

7:00 am-2:20 pm

1 stop15h 20m

Chicago O'Hare Intl

Thu 1/8

1:55 pm-1:10 pm

2 stops15h 15m

$686

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Tue 12/9

2:05 pm-2:20 pm

1 stop32h 15m

Chicago O'Hare Intl

Thu 1/8

1:55 pm-1:10 pm

2 stops15h 15m

$689

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Mon 12/8

6:55 am-1:10 pm

1 stop14h 15m

Chicago O'Hare Intl

Mon 1/12

3:35 pm-6:50 pm

2 stops19h 15m

$710

HelsinkiChicago

HEL - ORD

HELORD

Helsinki-Vantaa

Sun 12/7

6:55 am-1:10 pm

1 stop14h 15m

Chicago O'Hare Intl

Wed 1/7

10:54 am-1:10 pm

2 stops18h 16m

$711

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Helsinki to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Helsinki is in February. Flight prices, which tend to average around $545, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $588.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Helsinki to Illinois is on a Monday when prices can be found for as low as $695. Flights from Helsinki to Illinois on a Tuesday will generally be more expensive and average around $1,027. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Helsinki to Illinois during this time can be as low as $642. Flights in the afternoon are often more expensive with an average ticket price of $860.

What is the cheapest Helsinki-Vantaa to Illinois flight route?

Fly from Helsinki-Vantaa to Chicago O'Hare Intl for the best Helsinki-Vantaa - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $787 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Helsinki for as low as $556 on momondo.

What cabin class options are available on Helsinki-Vantaa to Illinois flights?

There are 3 cabin classes available to choose from on Helsinki-Vantaa to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helsinki to Illinois flights?

You could potentially save up to 1% on your flight if you consider stops on a Helsinki to Illinois flight.

Cheap Helsinki to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helsinki to Illinois

Fastest flight time

9h 25m

Direct flights

Sun

Airports in Illinois

1 airport
The fastest flight from Helsinki to Illinois takes 9h 25m
Direct flights go from Helsinki to Illinois on Sunday. There are no airlines offering direct flights.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
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  • When did momondo last update prices for flights from Helsinki-Vantaa Airport to Illinois?

    Prices for flights from Helsinki-Vantaa Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Helsinki-Vantaa Airport to Illinois?

  • How old do you have to be to fly from Helsinki-Vantaa Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helsinki-Vantaa Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Helsinki to Illinois?

Best airlines flying from Helsinki to Illinois

Compare and see reviews for airlines that fly from Helsinki to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom $695Free CancellationRating
7.6
1,335 reviews
Search Finnair flights

Why use momondo?

Why should I use momondo to find a flight deal from Helsinki to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helsinki to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Helsinki to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Helsinki with this policy.

How can momondo help me find flights from Helsinki to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helsinki to Illinois.

I’m not ready to book a flight from Helsinki to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Helsinki and alert you when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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