Cheap flights from Helsinki to Chicago from $415

The month of February is, on average, the cheapest month to fly to Chicago from Helsinki, with most prices found around $664. If you’re not able to fly to Chicago in February, then March is your next best option. Flight prices from Helsinki to Chicago during March average around $756.

The cheapest day to depart on your flight to Chicago 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. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to Chicago for around $1,437.

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

There are 2 cabin classes available to choose from on Helsinki to Chicago 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 31% on your flight if you consider stops on a Helsinki to Chicago flight.

As of November 2026, prices for Helsinki to Chicago flights are approximately 22% cheaper when compared to flights at the same time last year.

Historically, on average around 23% 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 93 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.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday 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 23% of their flights experiencing any sort of delay.

Copenhagen (CPH) was the most common stop: 60% 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 Copenhagen (CPH) have the shortest average one-way travel time: 13h 29m.

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