HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Finland

$518+ Cheap flights from Illinois to Finland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Finland 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 Finland

Keep the following information in mind while searching for Illinois to Finland flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$534
(oojo)

One-way from

$523
(Finnair)

Popular in

July

Cheapest in

November

Average price

$547

Good round-trip deal

$694 or less

Good one-way deal

$520 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 Finland
Search Deals
One-way flight from Illinois to Finland
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($286 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Finland.
Search Deals
Price to beat on a one-way flight from Illinois to Finland.
Search Deals

Find flight deals from Illinois to Finland

Cheapest flights from Illinois to Finland
Explore the most affordable flight options available from Illinois to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:45 pmORD - HEL
1 stop34h 55mTurkish Airlines
Mon 9/2212:35 pmHEL - ORD
1 stop17h 25mTurkish Airlines
Deal found 2/19$518
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:30 pmORD - HEL
Nonstop8h 45mFinnair
Wed 4/94:25 pmHEL - ORD
Nonstop9h 25mFinnair
Deal found 2/20$574
This Ticket deal was found by Cheapflights users on 2/19. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:15 pmORD - HEL
1 stop20h 50mScandinavian Airlines
Sun 4/137:40 pmHEL - ORD
2 stops28h 30mScandinavian Airlines
Deal found 2/19$579
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/25:10 amORD - HEL
3 stops24h 50mMultiple Airlines
Wed 4/93:00 pmHEL - ORD
2 stops24h 03mMultiple Airlines
Deal found 2/20$590
This Finnair deal was found by Cheapflights users on 2/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:29 pmSTL - HEL
1 stop11h 46mFinnair
Wed 4/164:25 pmHEL - STL
1 stop13h 47mFinnair
Deal found 2/19$608
This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3110:12 amSTL - HEL
2 stops21h 03mBritish Airways
Wed 4/164:25 pmHEL - STL
1 stop13h 47mBritish Airways
Deal found 2/19$621
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/79:30 pmORD - HEL
Nonstop8h 45mBritish Airways
Mon 4/147:30 pmHEL - ORD
1 stop24h 15mBritish Airways
Deal found 2/20$635
This Air France deal was found by Cheapflights users on 2/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:15 pmORD - HEL
2 stops14h 25mAir France
Tue 4/87:00 amHEL - ORD
1 stop15h 40mAir France
Deal found 2/20$642
This Iberia deal was found by Cheapflights users on 2/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/109:30 pmORD - HEL
Nonstop8h 45mIberia
Fri 4/254:25 pmHEL - ORD
Nonstop9h 25mIberia
Deal found 2/20$646
This Delta deal was found by Cheapflights users on 2/20. 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 4/11:35 pmORD - HEL
2 stops19h 05mDelta
Tue 4/87:00 amHEL - ORD
2 stops19h 19mDelta
Deal found 2/20$652
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/210:52 amORD - HEL
2 stops17h 03mUnited Airlines
Wed 4/96:10 amHEL - ORD
2 stops18h 27mUnited Airlines
Deal found 2/20$655
This Delta deal was found by Cheapflights users on 2/20. 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 4/21:16 pmMDW - HEL
2 stops15h 44mDelta
Wed 4/97:00 amHEL - MDW
2 stops19h 02mDelta
Deal found 2/20$656

Find flights from Illinois to Finland within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Illinois

Fly to

Finland

Route

Depart

Return

Price

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 3/5

11:55 am-6:05 pm

1 stop22h 10m

Helsinki-Vantaa

Wed 3/12

7:00 pm-11:10 am

1 stop23h 10m

$534

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 4/2

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

Wed 4/9

4:25 pm-5:50 pm

Nonstop9h 25m

$574

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Sun 4/6

7:15 pm-12:05 am

1 stop20h 50m

Helsinki-Vantaa

Sun 4/13

7:40 pm-4:10 pm

2 stops28h 30m

$579

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 4/2

5:10 am-2:00 pm

3 stops24h 50m

Helsinki-Vantaa

Wed 4/9

3:00 pm-7:03 am

2 stops24h 03m

$590

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 3/31

6:29 pm-2:15 pm

1 stop11h 46m

Helsinki-Vantaa

Wed 4/16

4:25 pm-10:12 pm

1 stop13h 47m

$608

St. LouisHelsinki

STL - HEL

STLHEL

Lambert-St Louis

Mon 3/31

10:12 am-3:15 pm

2 stops21h 03m

Helsinki-Vantaa

Wed 4/16

4:25 pm-10:12 pm

1 stop13h 47m

$621

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Mon 4/7

9:30 pm-2:15 pm

Nonstop8h 45m

Helsinki-Vantaa

Mon 4/14

7:30 pm-11:45 am

1 stop24h 15m

$635

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 4/1

6:15 pm-4:40 pm

2 stops14h 25m

Helsinki-Vantaa

Tue 4/8

7:00 am-2:40 pm

1 stop15h 40m

$642

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Tue 4/1

1:35 pm-4:40 pm

2 stops19h 05m

Helsinki-Vantaa

Tue 4/8

7:00 am-6:19 pm

2 stops19h 19m

$652

ChicagoHelsinki

ORD - HEL

ORDHEL

Chicago O'Hare Intl

Wed 4/2

10:52 am-11:55 am

2 stops17h 03m

Helsinki-Vantaa

Wed 4/9

6:10 am-4:37 pm

2 stops18h 27m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 31 results
1
2
3
4

Best time to book a flight from Illinois to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland 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.

Travel insights for flights from Illinois to Finland

Get recent, data-driven insights about flights from Illinois to Finland including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Finland (average of $444). Flying from Illinois to Finland in June is currently the most expensive (average of $1,160). 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 FI?

Find hourly flight availability from Illinois to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Finland as you normally would.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Finland ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Finland when rainfall is around 1.2 in.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Finland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Finland. Reviews last updated February 20, 2025.
Read through reviews of airlines operating flights from Illinois to Finland, such as Delta, Finnair and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Illinois to Finland are Turkish Airlines ($571), Delta ($610), and Finnair ($615).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Finland 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 Finland?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Finland (average of $444). Flying from Illinois to Finland in June is currently the most expensive (average of $1,160). 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

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 Finland

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Orly flights
Newark to Orly flights
Newark to Gatwick flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Athens flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
Miami to Madrid flights
Newark to Lisbon flights
John F Kennedy Intl to Dublin flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to Madrid flights
John F Kennedy Intl to Madrid flights
Stewart to Charles de Gaulle flights
Baltimore to Heathrow flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Charles de Gaulle flights
Newark to London City flights
Seattle to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Charles de Gaulle flights
Boston to Charles de Gaulle flights
Stewart to Stansted flights
Newark to Malpensa flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Heathrow flights
Los Angeles to Charles de Gaulle flights
Dallas/Fort Worth to Charles de Gaulle flights
Boston to Dublin flights
John F Kennedy Intl to Amsterdam flights
San Francisco to Charles de Gaulle flights
O'Hare Intl to Athens flights
Boston to Leonardo da Vinci/Fiumicino flights

Top 7 airlines flying from Illinois to Finland

Discover the top 7 airlines that operate flights from Illinois to Finland. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$394Average$621FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$466Average$761FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$471Average$855FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$588Average$1,057FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$612Average$942FlexibilityNo cancel feeOn-time69%
FinnairCheapest$616Average$1,032FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$640Average$1,085FlexibilityNo 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.