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Cheap flights from Helsinki to Illinois from $424

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 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Helsinki to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:30 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 30m1 stop Reykjavik Keflavik Intl
$719Icelandair
Tue, Oct 13 - Sat, Oct 24
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:25 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 35m1 stop Reykjavik Keflavik Intl
$726Icelandair
Thu, Aug 27 - Wed, Sep 9
Multiple Airlines Logo
9:20 pm - 9:25 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
32h 05m3 stops Riga Intl Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:25 pm - 6:20 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
14h 55m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
$728Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
Turkish Airlines Logo
12:25 pm - 10:00 amHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
29h 35m1 stop Istanbul
Turkish Airlines Logo
8:15 pm - 6:10 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
37h 55m1 stop Istanbul
$730Turkish Airlines
Sat, Jan 30 - Sun, Feb 7
Multiple Airlines Logo
11:25 pm - 10:59 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
31h 34m2 stops London Stansted Orlando
Multiple Airlines Logo
9:30 pm - 2:15 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
8h 45mnonstop
$733Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:25 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 35m1 stop Reykjavik Keflavik Intl
$734Icelandair
Thu, Aug 27 - Wed, Sep 9
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:25 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 35m1 stop Reykjavik Keflavik Intl
$736Icelandair
Thu, Aug 27 - Wed, Sep 9
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:25 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 35m1 stop Reykjavik Keflavik Intl
$738Icelandair
Thu, Aug 27 - Wed, Sep 9
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:25 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 35m1 stop Reykjavik Keflavik Intl
$740Icelandair
Thu, Aug 27 - Wed, Sep 9
Icelandair Logo
3:00 pm - 6:15 pmHEL  Helsinki-Vantaa-ORD Chicago O'Hare Intl
11h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:25 pm - 2:00 pmORD  Chicago O'Hare Intl-HEL Helsinki-Vantaa
10h 35m1 stop Reykjavik Keflavik Intl
$741Icelandair
Thu, Aug 27 - Wed, Sep 9

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Icelandair flights from Helsinki to Illinois

Our best Icelandair deals on Helsinki to Illinois flight tickets
Icelandair
Oct 13
HEL3:00 pmHelsinki-Vantaa
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
Oct 24
ORD7:30 pmChicago O'Hare Intl
10h 30m
1 stop
HEL2:00 pmHelsinki-Vantaa
$719
Icelandair
Aug 27
HEL3:00 pmHelsinki-Vantaa
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 9
ORD7:25 pmChicago O'Hare Intl
10h 35m
1 stop
HEL2:00 pmHelsinki-Vantaa
$726
Icelandair
Aug 27
HEL3:00 pmHelsinki-Vantaa
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 9
ORD7:25 pmChicago O'Hare Intl
10h 35m
1 stop
HEL2:00 pmHelsinki-Vantaa
$734

Turkish Airlines flights from Helsinki to Illinois

Our best Turkish Airlines deals on Helsinki to Illinois flight tickets
Turkish Airlines
Jan 30
HEL12:25 pmHelsinki-Vantaa
29h 35m
1 stop
ORD10:00 amChicago O'Hare Intl
Feb 7
ORD8:15 pmChicago O'Hare Intl
37h 55m
1 stop
HEL6:10 pmHelsinki-Vantaa
$730
Turkish Airlines
Sep 17
HEL8:20 amHelsinki-Vantaa
33h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
Sep 24
ORD8:10 pmChicago O'Hare Intl
31h 00m
1 stop
HEL11:10 amHelsinki-Vantaa
$781
Turkish Airlines
Sep 17
HEL8:20 amHelsinki-Vantaa
33h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
Sep 30
ORD8:10 pmChicago O'Hare Intl
31h 00m
1 stop
HEL11:10 amHelsinki-Vantaa
$785

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 August 6, 2026.
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

Cheapest round-trip
Quickest round-trip

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Tue 10/13

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Sat 10/24

7:30 pm-2:00 pm

1 stop10h 30m

$719

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Thu 8/27

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 9/9

7:25 pm-2:00 pm

1 stop10h 35m

$726

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Sun 8/30

9:20 pm-9:25 pm

3 stops32h 05m

Chicago O'Hare Intl

Sun 9/6

7:25 pm-6:20 pm

2 stops14h 55m

$728

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Sat 1/30

12:25 pm-10:00 am

1 stop29h 35m

Chicago O'Hare Intl

Sun 2/7

8:15 pm-6:10 pm

1 stop37h 55m

$730

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Sun 9/20

11:25 pm-10:59 pm

2 stops31h 34m

Chicago O'Hare Intl

Sun 9/27

9:30 pm-2:15 pm

Nonstop8h 45m

$733

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Thu 8/27

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 9/9

7:25 pm-2:00 pm

1 stop10h 35m

$734

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Thu 8/27

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 9/9

7:25 pm-2:00 pm

1 stop10h 35m

$736

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Thu 8/27

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 9/9

7:25 pm-2:00 pm

1 stop10h 35m

$738

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Thu 8/27

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 9/9

7:25 pm-2:00 pm

1 stop10h 35m

$740

HelsinkiChicago

HEL Helsinki-Vantaa - ORD Chicago O'Hare Intl

HELORD

Helsinki-Vantaa

Thu 8/27

3:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Wed 9/9

7:25 pm-2:00 pm

1 stop10h 35m

$741

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 November. Flight prices, which tend to average around $646, 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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $680.

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

The cheapest day to depart from Helsinki to Illinois is on a Tuesday when prices can be found for as low as $895. Flights from Helsinki to Illinois on a Thursday will generally be more expensive and average around $1,867. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

There are 2 cabin classes available to choose from on Helsinki 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?

No. A direct flight is the cheapest option for a flight between Helsinki to Illinois.

Cheap Helsinki to Illinois flight deals and tips

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

Best Price Found

$1,076

Fastest flight time

9h 25m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Helsinki in the past 72 hours is $1,076. The best round-trip flight deal from Helsinki to Illinois found on momondo in the last 72 hours is $876.
The fastest flight from Helsinki to Illinois takes 9h 25m
Direct flights go from Helsinki to Illinois every day.
There are 98 airports in Illinois. From Helsinki there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Helsinki to Illinois

  • 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 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?

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

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