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Cheap flights from Illinois to Finland from $275

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 Finland departing on 9/2. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Finland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:15 pm - 3:25 pm
ORD
-
HEL
12h 10m
1 stop
Scandinavian Airlines Logo
8:55 pm - 4:45 pm
HEL
-
ORD
27h 50m
2 stops
$636Scandinavian Airlines
Wed, Nov 25 - Mon, Nov 30
Scandinavian Airlines Logo
7:15 pm - 3:25 pm
ORD
-
HEL
12h 10m
1 stop
Scandinavian Airlines Logo
6:15 am - 4:45 pm
HEL
-
ORD
18h 30m
1 stop
$637Scandinavian Airlines
Mon, Nov 9 - Fri, Nov 27
Scandinavian Airlines Logo
7:15 pm - 8:25 pm
ORD
-
HEL
17h 10m
1 stop
Scandinavian Airlines Logo
11:15 am - 4:45 pm
HEL
-
ORD
13h 30m
1 stop
$638Scandinavian Airlines
Wed, Oct 21 - Tue, Nov 3
Scandinavian Airlines Logo
7:15 pm - 3:20 pm
ORD
-
HEL
12h 05m
1 stop
Scandinavian Airlines Logo
7:35 pm - 4:10 pm
HEL
-
ORD
28h 35m
2 stops
$644Scandinavian Airlines
Wed, Oct 14 - Sun, Oct 18
Icelandair Logo
7:30 pm - 1:00 pm
ORD
-
HEL
10h 30m
1 stop
Icelandair Logo
2:00 pm - 5:20 pm
HEL
-
ORD
11h 20m
1 stop
$650Icelandair
Fri, Oct 30 - Sat, Nov 7
Delta Logo
6:30 pm - 4:40 pm
MDW
-
HEL
14h 10m
2 stops
Delta Logo
7:00 am - 4:50 pm
HEL
-
MDW
17h 50m
2 stops
$716Delta
Thu, Oct 15 - Mon, Oct 19
Delta Logo
7:01 pm - 5:40 pm
MDW
-
HEL
14h 39m
2 stops
Delta Logo
7:00 am - 6:19 pm
HEL
-
MDW
19h 19m
2 stops
$720Delta
Tue, Sep 15 - Sun, Sep 20
American Airlines Logo
7:00 am - 10:45 am
STL
-
HEL
19h 45m
1 stop
American Airlines Logo
12:35 pm - 7:46 pm
HEL
-
STL
15h 11m
1 stop
$776American Airlines
Fri, Oct 2 - Thu, Oct 8
Lufthansa Logo
1:29 pm - 12:05 pm
STL
-
HEL
14h 36m
2 stops
Lufthansa Logo
5:55 pm - 1:25 pm
HEL
-
STL
27h 30m
1 stop
$793Lufthansa
Fri, Oct 2 - Thu, Oct 8
Lufthansa Logo
3:30 pm - 1:10 pm
STL
-
HEL
13h 40m
1 stop
Lufthansa Logo
1:55 pm - 10:59 pm
HEL
-
STL
17h 04m
2 stops
$949Lufthansa
Mon, Aug 3 - Wed, Aug 19

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Air France flights from Illinois to Finland

Our best Air France deals on Illinois to Finland flight tickets
Air France
Aug 20
ORD4:20 pmChicago O'Hare Intl
24h 05m
1 stop
HEL12:25 amHelsinki-Vantaa
Sep 2
HEL7:00 amHelsinki-Vantaa
15h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$704
Air France
Aug 20
ORD4:20 pmChicago O'Hare Intl
12h 45m
1 stop
HEL1:05 pmHelsinki-Vantaa
Sep 2
HEL6:25 pmHelsinki-Vantaa
27h 50m
1 stop
ORD2:15 pmChicago O'Hare Intl
$736
Air France
Aug 6
ORD5:10 pmChicago O'Hare Intl
15h 30m
1 stop
HEL4:40 pmHelsinki-Vantaa
Aug 20
HEL6:25 pmHelsinki-Vantaa
27h 50m
1 stop
ORD2:15 pmChicago O'Hare Intl
$740

Scandinavian Airlines flights from Illinois to Finland

Our best Scandinavian Airlines deals on Illinois to Finland flight tickets
Scandinavian Airlines
Nov 25
ORD7:15 pmChicago O'Hare Intl
12h 10m
1 stop
HEL3:25 pmHelsinki-Vantaa
Nov 30
HEL8:55 pmHelsinki-Vantaa
27h 50m
2 stops
ORD4:45 pmChicago O'Hare Intl
$636
Scandinavian Airlines
Nov 9
ORD7:15 pmChicago O'Hare Intl
12h 10m
1 stop
HEL3:25 pmHelsinki-Vantaa
Nov 27
HEL6:15 amHelsinki-Vantaa
18h 30m
1 stop
ORD4:45 pmChicago O'Hare Intl
$637
Scandinavian Airlines
Oct 21
ORD7:15 pmChicago O'Hare Intl
17h 10m
1 stop
HEL8:25 pmHelsinki-Vantaa
Nov 3
HEL11:15 amHelsinki-Vantaa
13h 30m
1 stop
ORD4:45 pmChicago O'Hare Intl
$638

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Finland 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 June 28, 2026.
Use the filters below to find and compare flights from Illinois to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 11/25

7:15 pm-3:25 pm

1 stop12h 10m

Helsinki-Vantaa

Mon 11/30

8:55 pm-4:45 pm

2 stops27h 50m

$636

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 11/9

7:15 pm-3:25 pm

1 stop12h 10m

Helsinki-Vantaa

Fri 11/27

6:15 am-4:45 pm

1 stop18h 30m

$637

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 10/21

7:15 pm-8:25 pm

1 stop17h 10m

Helsinki-Vantaa

Tue 11/3

11:15 am-4:45 pm

1 stop13h 30m

$638

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 10/14

7:15 pm-3:20 pm

1 stop12h 05m

Helsinki-Vantaa

Sun 10/18

7:35 pm-4:10 pm

2 stops28h 35m

$644
Quickest round-trip

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 10/30

7:30 pm-1:00 pm

1 stop10h 30m

Helsinki-Vantaa

Sat 11/7

2:00 pm-5:20 pm

1 stop11h 20m

$650

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Thu 10/15

6:30 pm-4:40 pm

2 stops14h 10m

Helsinki-Vantaa

Mon 10/19

7:00 am-4:50 pm

2 stops17h 50m

$716

ChicagoHelsinki

MDW - HEL

MDWHEL

Chicago Midway

Tue 9/15

7:01 pm-5:40 pm

2 stops14h 39m

Helsinki-Vantaa

Sun 9/20

7:00 am-6:19 pm

2 stops19h 19m

$720

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 10/2

7:00 am-10:45 am

1 stop19h 45m

Helsinki-Vantaa

Thu 10/8

12:35 pm-7:46 pm

1 stop15h 11m

$776

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 10/2

1:29 pm-12:05 pm

2 stops14h 36m

Helsinki-Vantaa

Thu 10/8

5:55 pm-1:25 pm

1 stop27h 30m

$793

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 8/3

3:30 pm-1:10 pm

1 stop13h 40m

Helsinki-Vantaa

Wed 8/19

1:55 pm-10:59 pm

2 stops17h 04m

$949

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 Finland from

How to get the cheapest flight ticket from Illinois to Finland

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 Finland?

If you don’t want to visit Finland in July, then you should wait until March to fly from Illinois, when ticket prices are also cheap, with an average price of $314.

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

The cheapest day to depart from Illinois to Finland is on a Sunday. Travelers who choose to depart for Finland on a Sunday will often find tickets for as low as $772. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Friday is $1,083.

What is the cheapest Illinois to Finland flight route?

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

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

You are more likely to see cheaper flights to Finland from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Finland for around $790 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Finland from Illinois for as low as $659 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Finland 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 Finland flights?

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

Cheap Illinois to Finland flight deals and tips

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

Best Price Found

$499

Fastest flight time

8h 45m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Finland

28 airports
The best one-way flight to Finland from Illinois in the past 72 hours is $499. The best round-trip flight deal from Illinois to Finland found on momondo in the last 72 hours is $876.
The fastest flight from Illinois to Finland takes 8h 45m
Direct flights go from Illinois to Finland on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There are 28 airports in Finland. From Illinois there are direct flights to Helsinki-Vantaa (HEL).
Search flight deals

Frequently asked questions about flying from Illinois to Finland

  • When did momondo last update prices for flights from Illinois to Finland?

    Prices for flights from Illinois to Finland were last updated today.

  • How many operators does momondo search for flights from Illinois to Finland?

  • How old do you have to be to fly from Illinois to Finland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Finland.

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

    The travel and health documents required for your trip to Finland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Finland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Illinois to Finland

Compare and see reviews for airlines that fly from Illinois to Finland with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $419Free CancellationRating
7.0
692 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $429Free CancellationRating
7.4
1,858 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $518Free CancellationRating
6.8
8,103 reviews
Search Lufthansa flights
FinnairPriceFrom $658Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
United AirlinesPriceFrom $815Free CancellationRating
7.4
9,898 reviews
Search United Airlines flights

Why use momondo?

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

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

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

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

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

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 Illinois to Finland.

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

Price alerts on flights to Finland from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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