$359 Cheap Flights from Chicago (ORD) to Helsinki (HEL)

View $359 flight on Mon, Oct 20, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Chicago to Helsinki (ORD-HEL)

Prices were available within the past 7 days and start at $359 for one-way flights and $431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Sep 8 - Tue, Sep 16
ORD
Chicago
HEL
Helsinki
$431 Roundtrip, found 18 hours ago
$431
Roundtrip
found 18 hours ago
Select Scandinavian Airlines flight, departing Mon, Sep 8 from Chicago to Helsinki, returning Tue, Sep 16, priced at $431 found 18 hours ago
Scandinavian Airlines
Tue, Oct 14 - Tue, Oct 21
ORD
Chicago
HEL
Helsinki
$438 Roundtrip, found 2 days ago
$438
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Oct 14 from Chicago to Helsinki, returning Tue, Oct 21, priced at $438 found 2 days ago
Turkish Airlines
Mon, Sep 22 - Wed, Oct 8
ORD
Chicago
HEL
Helsinki
$603 Roundtrip, found 3 days ago
$603
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Mon, Sep 22 from Chicago to Helsinki, returning Wed, Oct 8, priced at $603 found 3 days ago
Icelandair
Sun, Jan 11 - Thu, Jan 29
ORD
Chicago
HEL
Helsinki
$640 Roundtrip, found 4 hours ago
$640
Roundtrip
found 4 hours ago
Select Icelandair flight, departing Sun, Jan 11 from Chicago to Helsinki, returning Thu, Jan 29, priced at $640 found 4 hours ago
British Airways
Sun, Jan 11 - Thu, Jan 29
ORD
Chicago
HEL
Helsinki
$694 Roundtrip, found 4 hours ago
$694
Roundtrip
found 4 hours ago
Select British Airways flight, departing Sun, Jan 11 from Chicago to Helsinki, returning Thu, Jan 29, priced at $694 found 4 hours ago
American Airlines
Sun, Jan 11 - Thu, Jan 29
ORD
Chicago
HEL
Helsinki
$694 Roundtrip, found 4 hours ago
$694
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sun, Jan 11 from Chicago to Helsinki, returning Thu, Jan 29, priced at $694 found 4 hours ago
United
Sun, Jan 11 - Thu, Jan 29
ORD
Chicago
HEL
Helsinki
$716 Roundtrip, found 4 hours ago
$716
Roundtrip
found 4 hours ago
Select United flight, departing Sun, Jan 11 from Chicago to Helsinki, returning Thu, Jan 29, priced at $716 found 4 hours ago
Lufthansa
Sun, Jan 11 - Thu, Jan 29
ORD
Chicago
HEL
Helsinki
$720 Roundtrip, found 4 hours ago
$720
Roundtrip
found 4 hours ago
Select Lufthansa flight, departing Sun, Jan 11 from Chicago to Helsinki, returning Thu, Jan 29, priced at $720 found 4 hours ago
Delta
Wed, Nov 26 - Fri, Dec 5
ORD
Chicago
HEL
Helsinki
$722 Roundtrip, found 10 hours ago
$722
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Nov 26 from Chicago to Helsinki, returning Fri, Dec 5, priced at $722 found 10 hours ago
Air Canada
Sun, Jan 11 - Thu, Jan 29
ORD
Chicago
HEL
Helsinki
$726 Roundtrip, found 4 hours ago
$726
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Sun, Jan 11 from Chicago to Helsinki, returning Thu, Jan 29, priced at $726 found 4 hours ago

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Vantaa Airport (HEL) cost?
Find affordable return tickets from O’Hare Intl. Airport (ORD) to Vantaa Airport (HEL) starting at $795. Book your seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving ORD on May 5 2025 and touching down at HEL. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from ORD to HEL?
The cheapest flights from ORD to HEL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ORD to HEL?
With fares starting at $488 for a one-way flight from ORD to HEL, American Airlines is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on May 13 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Vantaa Airport (HEL)?
There aren’t any daily nonstop flights from O’Hare Intl. Airport (ORD) to Vantaa Airport (HEL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from ORD to HEL?
Usually you’ll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ORD to HEL?
Consider traveling with American Airlines if you’d like to go straight from O’Hare Intl. Airport (ORD) to Vantaa Airport (HEL) without any delays. This airline has the best track record for punctuality, with an on-time performance of 87%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Vantaa Airport (HEL)?
To avoid possible delays on the O’Hare Intl. Airport (ORD) to Vantaa Airport (HEL) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Vantaa Airport (HEL) last-minute?
Booking your flight from ORD to HEL just before your getaway is usually more expensive. But if you’re flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an ORD to HEL flight and hotel package?
Booking an ORD to HEL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Vantaa Airport (HEL)?
If you booked your ORD to HEL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.
*Available to One Key members.