HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helsinki

$265+ Cheap flights from Illinois to Helsinki (HEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Helsinki with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Helsinki

Cheapest flights from Illinois to Helsinki
Explore the most affordable flight options available from Illinois to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 pmORD - HEL
1 stop15h 05mDelta
Thu 1/82:05 pmHEL - ORD
1 stop32h 15mDelta
Deal found 12/21$652
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amORD - HEL
2 stops26h 25mDelta
Thu 1/82:05 pmHEL - ORD
1 stop32h 15mDelta
Deal found 12/21$662
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:02 pmORD - HEL
2 stops14h 23mDelta
Mon 1/122:05 pmHEL - ORD
2 stops39h 00mDelta
Deal found 12/21$666
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:41 amORD - HEL
2 stops23h 44mDelta
Mon 1/122:05 pmHEL - ORD
2 stops35h 50mDelta
Deal found 12/21$672
This KAYAK deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - HEL
1 stop18h 45mLufthansa
Mon 1/127:35 pmHEL - ORD
1 stop26h 35mLufthansa
Deal found 12/21$682
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 pmORD - HEL
1 stop15h 05mDelta
Sun 1/116:30 amHEL - ORD
2 stops35h 19mDelta
Deal found 12/21$724
This KAYAK deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - HEL
2 stops19h 30mLufthansa
Thu 1/81:55 pmHEL - ORD
2 stops32h 15mLufthansa
Deal found 12/21$726
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:41 amORD - HEL
2 stops23h 44mDelta
Sun 1/116:30 amHEL - ORD
2 stops35h 19mDelta
Deal found 12/21$734
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - HEL
1 stop18h 45mUnited Airlines
Sat 1/101:50 pmHEL - ORD
1 stop29h 20mUnited Airlines
Deal found 12/21$735
This KAYAK deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmORD - HEL
1 stop18h 45mLufthansa
Sun 1/116:55 amHEL - ORD
1 stop36h 15mLufthansa
Deal found 12/21$740
This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:44 amMDW - HEL
1 stop22h 11mMultiple Airlines
Tue 12/308:30 pmHEL - MDW
2 stops48h 31mMultiple Airlines
Deal found 12/22$1,862
This Icelandair deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:40 amMDW - HEL
2 stops17h 15mMultiple Airlines
Sun 12/281:55 pmHEL - MDW
2 stops17h 10mMultiple Airlines
Deal found 12/22$3,157

Find flight deals from Illinois to Helsinki

Keep the following information in mind while searching for Illinois to Helsinki flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$431
(lol.travel)

One-way from

$265
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$600

Good round-trip deal

$538 or less

Good one-way deal

$468 or less
Provider with most accurate pricing for Chicago (CHI)-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Helsinki-Vantaa flights.
Search Deals
From Illinois to Helsinki-Vantaa
Search Deals
One-way flight from Illinois to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Helsinki-Vantaa.
Search Deals
Price to beat on a one-way flight from Illinois to Helsinki-Vantaa.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Illinois to Helsinki that are best for you.

Fly from

Illinois

Fly to

Helsinki

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 2/5

7:20 pm-10:30 am

2 stops31h 10m

Helsinki-Vantaa

Wed 2/11

7:00 am-4:45 pm

2 stops17h 45m

$437

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/29

7:10 pm-11:45 pm

2 stops20h 35m

Helsinki-Vantaa

Wed 2/11

7:00 am-4:45 pm

2 stops17h 45m

$444

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/15

7:20 pm-11:45 pm

2 stops20h 25m

Helsinki-Vantaa

Wed 1/21

4:10 pm-4:45 pm

2 stops32h 35m

$447

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Thu 1/8

6:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Tue 1/13

1:55 pm-5:20 pm

1 stop11h 25m

$465

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 1/30

7:10 pm-12:10 pm

2 stops33h 00m

Helsinki-Vantaa

Tue 2/3

4:10 pm-4:45 pm

2 stops32h 35m

$480

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Fri 1/9

7:20 pm-2:55 pm

2 stops35h 35m

Helsinki-Vantaa

Tue 1/13

11:05 am-4:45 pm

2 stops37h 40m

$486

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Fri 1/30

3:50 pm-1:05 pm

1 stop13h 15m

Helsinki-Vantaa

Tue 2/3

7:05 am-3:15 pm

2 stops40h 10m

$502

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 4/19

11:14 am-2:15 pm

1 stop19h 01m

Helsinki-Vantaa

Sat 4/25

4:25 pm-11:24 pm

1 stop14h 59m

$556

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Sun 4/19

4:39 pm-2:15 pm

1 stop13h 36m

Helsinki-Vantaa

Sat 4/25

4:25 pm-9:48 pm

1 stop13h 23m

$556

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Wed 2/11

11:55 am-10:45 am

1 stop14h 50m

Helsinki-Vantaa

Wed 2/18

12:30 pm-7:25 pm

1 stop14h 55m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 34 results
1
2
3
4

Best time to book a flight from Illinois to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Helsinki

What is the cheapest month to book a flight from Illinois to Helsinki?

Currently, April is the cheapest month in which you can book a flight from Illinois to Helsinki (average of $393). Flying from Illinois to Helsinki in June is currently the most expensive (average of $890). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to HEL?

Find hourly flight availability from Illinois to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Helsinki at noon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from Illinois?

    For a flight from Illinois to Helsinki, you will be flying into Helsinki-Vantaa. Helsinki-Vantaa (HEL) is just 10.6 mi from the center of the city.

  • How long is the flight from Illinois to Helsinki?

    Airlines like Scandinavian Airlines, United Airlines, and American Airlines fly from Illinois to Helsinki in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 15h. Airlines will cover a distance of 4678 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Helsinki one-way?

    One-way options have recently been found by users for as low as $198 on Icelandair. Other airlines that offer cheap prices include Finnair from $440 and KLM from $609 one-way.

  • What are the most popular routes from Illinois to Helsinki?

    The most popular route from Illinois to Helsinki is Chicago O'Hare Intl - Helsinki-Vantaa. You may also consider Chicago Midway - Helsinki-Vantaa or Lambert-St Louis - Helsinki-Vantaa.

  • What are the cheapest flights from Illinois to Helsinki?

    Looking for the cheapest flight from Illinois to Helsinki? While on average our users pay $649, our data indicates the cheapest price to be $412. The most popular route (Chicago O'Hare Intl - Helsinki-Vantaa), is priced around $409.

  • Can I find deals for flights from Illinois to Helsinki that include hotel bookings?

    Yes. In addition to deals on Illinois to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Helsinki.

  • Can I find deals for business class flights from Illinois to Helsinki?

    Yes. Cheapflights offers flight deals from Illinois to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Helsinki?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Helsinki (average of $393). Flying from Illinois to Helsinki in June is currently the most expensive (average of $890). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Helsinki?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Helsinki flights
Dallas/Fort Worth to Helsinki flights
Dulles Intl to Helsinki flights
Newark to Helsinki flights
LaGuardia to Helsinki flights
Baltimore to Helsinki flights
Los Angeles to Helsinki flights
Seattle to Helsinki flights
Reagan-National to Helsinki flights
San Francisco to Helsinki flights
O'Hare Intl to Helsinki flights
Miami to Helsinki flights
Love Field to Helsinki flights
Minneapolis to Helsinki flights
Denver to Helsinki flights
Boston to Helsinki flights
Atlanta to Helsinki flights
Midway to Helsinki flights
Raleigh to Helsinki flights
Santa Ana to Helsinki flights
Ontario to Helsinki flights
Sky Harbor Intl to Helsinki flights
Orlando to Helsinki flights
Burbank to Helsinki flights
Portland to Helsinki flights
Dulles Intl to Rovaniemi flights
John F Kennedy Intl to Rovaniemi flights
Newark to Rovaniemi flights
Fort Lauderdale to Helsinki flights
Hobby to Helsinki flights
San Diego to Helsinki flights
Charlotte to Helsinki flights
Los Angeles to Rovaniemi flights
Detroit to Helsinki flights
West Palm Beach to Helsinki flights
George Bush Intcntl to Helsinki flights
Tampa to Helsinki flights
Las Vegas to Helsinki flights
Boston to Rovaniemi flights
Sioux Falls to Helsinki flights
Greensboro to Helsinki flights
San Jose to Helsinki flights
Cleveland to Helsinki flights
Anchorage to Helsinki flights
Philadelphia to Helsinki flights
Austin to Helsinki flights
Des Moines to Helsinki flights
Reno to Helsinki flights

Top 6 airlines flying from Illinois to Helsinki

Discover the top 6 airlines that operate flights from Illinois to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$394Average$568FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$419Average$662FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$625Average$890FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$644Average$1,057FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$653Average$982FlexibilityNo cancel feeOn-time71%
FinnairCheapest$664Average$945FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.