Cheap flights from Helsinki to Chicago from $428

The month of December is, on average, the cheapest month to fly to Chicago from Helsinki, with most prices found around $445. If you’re not able to fly to Chicago in December, then November is your next best option. Flight prices from Helsinki to Chicago during November average around $467.

The cheapest day to depart on your flight to Chicago is on a Sunday when prices can be found for as low as $975. 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 3 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 25% on your flight if you consider stops on a Helsinki to Chicago flight.

As of June 2026, prices for Helsinki to Chicago flights are approximately 43% more expensive when compared to flights at the same time last year.

Historically, on average around 17% 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 101 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 17% of their flights experiencing any sort of delay.

Copenhagen (CPH) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $601.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 18m.

Reykjavik (KEF) has the shortest average layover time for this route: 0h 45m.

As of June 2026, 5 flights take off from Helsinki and land in Chicago each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

35 flights are operational weekly from Helsinki to Chicago as of June 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.