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Cheap flights from Illinois to Finland from $287

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 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Finland

Cheap round-trip flights

Scandinavian Airlines Logo
7:15 pm - 3:25 pmORD-HEL
12h 10m1 stop
Scandinavian Airlines Logo
6:15 am - 4:45 pmHEL-ORD
18h 30m1 stop
$402Scandinavian Airlines
Find Deal
Mon, Oct 20 - Wed, Nov 5
Scandinavian Airlines Logo
10:31 am - 10:40 amORD-HEL
16h 09m2 stops
Scandinavian Airlines Logo
8:55 pm - 4:45 pmHEL-ORD
27h 50m2 stops
$410Scandinavian Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
8:49 am - 10:45 amSTL-HEL
17h 56m1 stop
Multiple Airlines Logo
12:30 pm - 8:53 pmHEL-STL
15h 23m1 stop
$432Multiple Airlines
Find Deal
Sun, Oct 19 - Tue, Oct 28
Multiple Airlines Logo
3:06 pm - 1:55 pmSTL-HEL
14h 49m1 stop
Multiple Airlines Logo
12:30 pm - 10:29 pmHEL-STL
17h 59m1 stop
$482Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
American Airlines Logo
7:00 am - 10:45 amSTL-HEL
19h 45m1 stop
American Airlines Logo
12:30 pm - 10:29 pmHEL-STL
17h 59m1 stop
$484American Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
American Airlines Logo
2:05 pm - 1:55 pmSTL-HEL
15h 50m2 stops
American Airlines Logo
12:30 pm - 10:58 pmHEL-STL
18h 28m1 stop
$487American Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Delta Logo
6:40 am - 1:00 pmSTL-HEL
22h 20m2 stops
Delta Logo
7:00 am - 6:02 pmHEL-STL
18h 02m2 stops
$496Delta
Find Deal
Sun, Oct 19 - Tue, Oct 28
British Airways Logo
8:05 pm - 12:20 pmSTL-HEL
32h 15m2 stops
British Airways Logo
12:30 pm - 8:53 pmHEL-STL
15h 23m1 stop
$526British Airways
Find Deal
Sun, Oct 19 - Tue, Oct 28
Delta Logo
6:00 am - 4:25 pmBMI-HEL
26h 25m2 stops
Delta Logo
7:00 am - 10:06 pmHEL-BMI
23h 06m2 stops
$533Delta
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Wed, Nov 12 - Sun, Nov 16
British Airways Logo
7:45 pm - 5:45 pmORD-RVN
15h 00m2 stops
British Airways Logo
9:10 am - 5:33 pmRVN-ORD
39h 23m2 stops
$1,525British Airways
Find Deal
Sun, Mar 8 - Thu, Mar 12

American Airlines flights from Illinois to Finland

Our best American Airlines deals on Illinois to Finland flight tickets
American Airlines
Nov 2
STL7:00 amLambert-St Louis
19h 45m
1 stop
HEL10:45 amHelsinki-Vantaa
Nov 9
HEL12:30 pmHelsinki-Vantaa
17h 59m
1 stop
STL10:29 pmLambert-St Louis
$484
Find similar
American Airlines
Nov 7
STL2:05 pmLambert-St Louis
15h 50m
2 stops
HEL1:55 pmHelsinki-Vantaa
Nov 14
HEL12:30 pmHelsinki-Vantaa
18h 28m
1 stop
STL10:58 pmLambert-St Louis
$487
Find similar
American Airlines
Nov 2
STL7:00 amLambert-St Louis
19h 45m
1 stop
HEL10:45 amHelsinki-Vantaa
Nov 9
HEL12:30 pmHelsinki-Vantaa
19h 35m
2 stops
STL12:05 amLambert-St Louis
$491
Find similar

Delta flights from Illinois to Finland

Our best Delta deals on Illinois to Finland flight tickets
Delta
Oct 19
STL6:40 amLambert-St Louis
22h 20m
2 stops
HEL1:00 pmHelsinki-Vantaa
Oct 28
HEL7:00 amHelsinki-Vantaa
18h 02m
2 stops
STL6:02 pmLambert-St Louis
$496
Find similar
Delta
Nov 12
BMI6:00 amBloomington-Normal
26h 25m
2 stops
HEL4:25 pmHelsinki-Vantaa
Nov 16
HEL7:00 amHelsinki-Vantaa
23h 06m
2 stops
BMI10:06 pmBloomington-Normal
$533
Find similar
Delta
Nov 12
BMI6:00 amBloomington-Normal
26h 25m
2 stops
HEL4:25 pmHelsinki-Vantaa
Nov 16
HEL7:00 amHelsinki-Vantaa
23h 06m
2 stops
BMI10:06 pmBloomington-Normal
$573
Find similar

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 September 18, 2025.
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

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 10/20

7:15 pm-3:25 pm

1 stop12h 10m

Helsinki-Vantaa

Wed 11/5

6:15 am-4:45 pm

1 stop18h 30m

$402

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 12/2

10:31 am-10:40 am

2 stops16h 09m

Helsinki-Vantaa

Tue 12/9

8:55 pm-4:45 pm

2 stops27h 50m

$410

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

8:49 am-10:45 am

1 stop17h 56m

Helsinki-Vantaa

Tue 10/28

12:30 pm-8:53 pm

1 stop15h 23m

$432

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 11/7

3:06 pm-1:55 pm

1 stop14h 49m

Helsinki-Vantaa

Fri 11/14

12:30 pm-10:29 pm

1 stop17h 59m

$482

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 11/2

7:00 am-10:45 am

1 stop19h 45m

Helsinki-Vantaa

Sun 11/9

12:30 pm-10:29 pm

1 stop17h 59m

$484

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 11/7

2:05 pm-1:55 pm

2 stops15h 50m

Helsinki-Vantaa

Fri 11/14

12:30 pm-10:58 pm

1 stop18h 28m

$487

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

6:40 am-1:00 pm

2 stops22h 20m

Helsinki-Vantaa

Tue 10/28

7:00 am-6:02 pm

2 stops18h 02m

$496

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 10/19

8:05 pm-12:20 pm

2 stops32h 15m

Helsinki-Vantaa

Tue 10/28

12:30 pm-8:53 pm

1 stop15h 23m

$526

BloomingtonHelsinki

BMI - HEL

BMIHEL

Bloomington-Normal

Wed 11/12

6:00 am-4:25 pm

2 stops26h 25m

Helsinki-Vantaa

Sun 11/16

7:00 am-10:06 pm

2 stops23h 06m

$533

ChicagoRovaniemi

ORD - RVN

ORDRVN

Chicago O'Hare Intl

Sun 3/8

7:45 pm-5:45 pm

2 stops15h 00m

Rovaniemi

Thu 3/12

9:10 am-5:33 pm

2 stops39h 23m

$1,525

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 November, then you should wait until February to fly from Illinois, when ticket prices are also cheap, with an average price of $518.

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

The cheapest day to depart from Illinois to Finland is on a Wednesday. Travelers who choose to depart for Finland on a Wednesday will often find tickets for as low as $784. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Saturday is $924.

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

The cheapest time of day to fly to Finland is in the afternoon when flights can be purchased for as low as $738. In contrast, the most expensive time of day to depart to Finland is in the morning when prices are around $947.

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 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 $786 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 $604 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 23% 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

$597

Direct flights

None
The best one-way flight to Finland from Illinois in the past 72 hours is $597. The best round-trip flight deal from Illinois to Finland found on momondo in the last 72 hours is $677.
There are no direct flights from Illinois to Finland. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Helsinki-Vantaa Airport.
Search flight deals

  • 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
Scandinavian AirlinesPriceFrom $398Free CancellationRating
7.4
1,487 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $430Free CancellationRating
7.0
545 reviews
Search Icelandair flights
British AirwaysPriceFrom $505Free CancellationRating
6.7
7,373 reviews
Search British Airways flights
American AirlinesPriceFrom $576Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
LufthansaPriceFrom $625Free CancellationRating
6.8
7,415 reviews
Search Lufthansa flights
FinnairPriceFrom $664Free CancellationRating
7.6
1,324 reviews
Search Finnair 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.

An easier way to manage your Finland trip

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