$361 Find Cheap Flights from Chicago to Helsinki - Compare and Save

Among airlines operating Chicago O'Hare Intl Airport to Helsinki flights:

• Finnair: offers free seat selection
• American Airlines: offers free seat selection
• Alaska Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Finnair operates flights between Chicago O'Hare Intl Airport and Helsinki.

Flights from Chicago O'Hare Intl Airport to Helsinki usually depart from Chicago O'Hare Intl (ORD) and arrive at Helsinki-Vantaa (HEL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Finnair: a cabin bag and a checked bag in Economy Class
• British Airways: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Chicago O'Hare Intl Airport to Helsinki:

• Economy Class
• Premium Economy Class
• Business Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $606 round-trip via Kastrup Copenhagen (CPH), compared to $1,101 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $75–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A330-300 family is used most often on this route, operated mainly by British Airways and Iberia. Other aircraft seen on the route include Airbus A330 variants.

One-stop flights from Chicago O'Hare Intl Airport to Helsinki most commonly connect through:

• Reykjavik Keflavik Intl (KEF) - 47% of one-stop connections
• Kastrup Copenhagen (CPH) - 33% of one-stop connections
• Amsterdam Schiphol (AMS) - 8% of one-stop connections
• Frankfurt am Main (FRA) - 7% of one-stop connections

Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 35% on the Chicago O'Hare Intl Airport to Helsinki route. Wednesday is the cheapest departure day at $727 round-trip on average, while Thursday is the most expensive at $1,103, a difference of $376. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Helsinki are Helsinki City Centre, Helsinki Central Station Square and Esplanadi park. These are among the most viewed places in Helsinki on KAYAK.

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Helsinki:

• Earliest: departs at 9:30 pm and lands at 6:15 am
• Latest: departs at 10:25 pm and lands at 7:10 am.

The flight takes about 8h 45m.

Last-minute fares on this route - booked within 2 weeks of departure - run 10% above the route average of $829. Book 21 weeks before departure for the lowest fares.

A nonstop flight from Chicago O'Hare Intl Airport to Helsinki takes 8h 45m, covering 4,420 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Chicago O'Hare Intl Airport to Helsinki are currently lower than usual. Average one-way flight prices are about $453, which is 32% below the typical average for this route.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 12h 59m, compared with 13h 36m via Kastrup Copenhagen (CPH) and 13h 49m via Frankfurt am Main (FRA).

Helsinki is 8 hours ahead of Chicago O'Hare Intl Airport (Eastern European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Helsinki-Vantaa Airport (HEL) hosts 5 major car rental companies, with daily rates starting from around $3 for economy cars. Top options include:
• ADDCAR RENTAL
• GREEN MOTION
• Alamo
• Sixt
• Europcar

Round-trip flights from Chicago O'Hare Intl Airport to Helsinki range from $614 to $1,068, with an average of $829 over the past 12 months. Anything below $614 counts as a good deal.