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Cheap flights from Illinois to Helsinki from $282

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Helsinki departing on 5/10. 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
0 bags

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Find the cheapest flights from Illinois to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 12:55 pm
ORD
-
HEL
10h 25m
1 stop
Icelandair Logo
1:55 pm - 5:20 pm
HEL
-
ORD
11h 25m
1 stop
$365Icelandair
Sun, Feb 15 - Sat, Feb 28
Icelandair Logo
6:30 pm - 12:55 pm
ORD
-
HEL
10h 25m
1 stop
Icelandair Logo
1:55 pm - 6:20 pm
HEL
-
ORD
11h 25m
1 stop
$367Icelandair
Mon, Mar 2 - Mon, Mar 9
Icelandair Logo
7:30 pm - 12:55 pm
ORD
-
HEL
10h 25m
1 stop
Icelandair Logo
1:55 pm - 6:20 pm
HEL
-
ORD
11h 25m
1 stop
$371Icelandair
Tue, Mar 10 - Tue, Mar 17
Scandinavian Airlines Logo
7:15 pm - 3:20 pm
ORD
-
HEL
12h 05m
1 stop
Scandinavian Airlines Logo
11:05 am - 4:10 pm
HEL
-
ORD
13h 05m
2 stops
$376Scandinavian Airlines
Wed, Apr 15 - Mon, Apr 20
Scandinavian Airlines Logo
7:15 pm - 3:45 pm
ORD
-
HEL
12h 30m
2 stops
Scandinavian Airlines Logo
11:05 am - 4:10 pm
HEL
-
ORD
13h 05m
2 stops
$377Scandinavian Airlines
Wed, Apr 15 - Mon, Apr 20
American Airlines Logo
11:22 am - 11:10 am
STL
-
HEL
16h 48m
1 stop
American Airlines Logo
12:45 pm - 10:32 am
HEL
-
STL
28h 47m
1 stop
$476American Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
9:37 am - 2:15 pm
STL
-
HEL
20h 38m
1 stop
Multiple Airlines Logo
4:25 pm - 10:14 pm
HEL
-
STL
13h 49m
1 stop
$485Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
1:39 pm - 2:00 pm
STL
-
HEL
16h 21m
2 stops
American Airlines Logo
4:25 pm - 10:17 pm
HEL
-
STL
13h 52m
1 stop
$489American Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
8:21 am - 6:55 pm
STL
-
HEL
26h 34m
2 stops
United Airlines Logo
6:35 am - 9:08 pm
HEL
-
STL
22h 33m
2 stops
$501United Airlines
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
11:22 am - 11:10 am
STL
-
HEL
16h 48m
1 stop
Multiple Airlines Logo
12:45 pm - 10:32 am
HEL
-
STL
28h 47m
1 stop
$530Multiple Airlines
Mon, Mar 16 - Mon, Mar 23

Icelandair flights from Illinois to Helsinki

Our best Icelandair deals on Illinois to Helsinki flight tickets
Icelandair
Feb 15
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
HEL12:55 pmHelsinki-Vantaa
Feb 28
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
ORD5:20 pmChicago O'Hare Intl
$365
Icelandair
Mar 2
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 9
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$367
Icelandair
Mar 10
ORD7:30 pmChicago O'Hare Intl
10h 25m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 17
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$371

American Airlines flights from Illinois to Helsinki

Our best American Airlines deals on Illinois to Helsinki flight tickets
American Airlines
Apr 1
STL8:00 amLambert-St Louis
22h 15m
1 stop
HEL2:15 pmHelsinki-Vantaa
Apr 8
HEL4:25 pmHelsinki-Vantaa
15h 23m
1 stop
STL11:48 pmLambert-St Louis
$485
American Airlines
Mar 8
STL1:34 pmLambert-St Louis
17h 21m
2 stops
HEL1:55 pmHelsinki-Vantaa
Mar 17
HEL12:30 pmHelsinki-Vantaa
17h 52m
1 stop
STL11:22 pmLambert-St Louis
$489
American Airlines
Mar 8
STL7:00 amLambert-St Louis
20h 45m
1 stop
HEL10:45 amHelsinki-Vantaa
Mar 17
HEL12:30 pmHelsinki-Vantaa
17h 52m
1 stop
STL11:22 pmLambert-St Louis
$524

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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, momondo users made 832,500 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from Illinois to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 2/15

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Sat 2/28

1:55 pm-5:20 pm

1 stop11h 25m

$365

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 3/2

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Mon 3/9

1:55 pm-6:20 pm

1 stop11h 25m

$367

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 3/10

7:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Tue 3/17

1:55 pm-6:20 pm

1 stop11h 25m

$371

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 4/15

7:15 pm-3:20 pm

1 stop12h 05m

Helsinki-Vantaa

Mon 4/20

11:05 am-4:10 pm

2 stops13h 05m

$376

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 4/15

7:15 pm-3:45 pm

2 stops12h 30m

Helsinki-Vantaa

Mon 4/20

11:05 am-4:10 pm

2 stops13h 05m

$377

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 3/16

11:22 am-11:10 am

1 stop16h 48m

Helsinki-Vantaa

Mon 3/23

12:45 pm-10:32 am

1 stop28h 47m

$476

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 4/1

9:37 am-2:15 pm

1 stop20h 38m

Helsinki-Vantaa

Wed 4/8

4:25 pm-10:14 pm

1 stop13h 49m

$485

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 4/1

1:39 pm-2:00 pm

2 stops16h 21m

Helsinki-Vantaa

Wed 4/8

4:25 pm-10:17 pm

1 stop13h 52m

$489

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 4/1

8:21 am-6:55 pm

2 stops26h 34m

Helsinki-Vantaa

Wed 4/8

6:35 am-9:08 pm

2 stops22h 33m

$501

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 3/16

11:22 am-11:10 am

1 stop16h 48m

Helsinki-Vantaa

Mon 3/23

12:45 pm-10:32 am

1 stop28h 47m

$530

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 Helsinki from

How to get the cheapest flight ticket from Illinois to Helsinki

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 Helsinki?

The month of February is, on average, the cheapest month to fly to Helsinki from Illinois, with most prices found around $448. If you aren’t able to travel during the month of February, then book flights to Helsinki from Illinois during March instead. Flights to Helsinki in March, while not as cheap as those in February, still average around $535.

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

The cheapest day to depart on your flight to Helsinki is on a Sunday when prices can be found for as low as $765. This is often the case because there is less demand to fly during this day of the week. Flights from Illinois to Helsinki on a Saturday will generally be more expensive and average around $918. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

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

You are more likely to see cheaper flights to Helsinki from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $782 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Illinois for as low as $503 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Helsinki-Vantaa 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 Illinois to Helsinki flights?

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

Cheap Illinois to Helsinki flight deals and tips

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

Best Price Found

$330

Fastest flight time

8h 45m

Direct flights

Every day

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from Illinois in the past 72 hours is $330. The best round-trip flight deal from Illinois to Helsinki found on momondo in the last 72 hours is $612.
The fastest flight from Illinois to Helsinki takes 8h 45m
Direct flights go from Illinois to Helsinki every day.
There is 1 airport in Helsinki. From Illinois there are direct flights to Helsinki-Vantaa (HEL).
Search flight deals

  • When did momondo last update prices for flights from Illinois to Helsinki-Vantaa Airport?

    Prices for flights from Illinois to Helsinki-Vantaa Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Illinois to Helsinki

Compare and see reviews for airlines that fly from Illinois to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $419Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $428Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $625Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom $644Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
FinnairPriceFrom $658Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
American AirlinesPriceFrom $677Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Lahti
Kotka

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helsinki from Illinois.

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

Yes. momondo allows you to filter the results for Illinois to Helsinki flights to just show those with flexible booking policies.

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

Once you have performed a search for Illinois to Helsinki flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Illinois to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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