Cheap flights from Helsinki to Chicago from $422

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Helsinki averaging around $570.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $895. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Helsinki because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,437.

Fly from Helsinki-Vantaa to Chicago O'Hare Intl for the best Helsinki-Vantaa - Chicago O'Hare Intl flight prices

There are 2 cabin classes available to choose from on Helsinki to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 11% on your flight if you consider stops on a Helsinki to Chicago O'Hare Intl Airport flight.

Historically, on average around 33% of flights between Helsinki and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Finnair have had the least number of delays on this route over the last 12 months; with about 33% of their flights experiencing any sort of delay.

Amsterdam (AMS) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $748.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 50m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 2h 38m.

The number of flights available between Helsinki and Chicago O'Hare Intl Airport is 4 per day as of September 2026. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

As of September 2026, there are 29 flights per week flying from Helsinki to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Wed, with 17% of flights taking off on this day.