Cheapest return flights from Chicago to Helsinki in May from $756

Best time to book flights for Chicago (ORD) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Helsinki (HEL) in May 2025 (see full year).

Return flights

11 May - 25 May SWISS
26 May - 02 Jun Scandinavian Airlines
26 May - 06 Jun Scandinavian Airlines
11 May - 25 May Finnair direct
17 May - 23 May Air Canada
17 May - 30 May Spirit Airlines
17 May - 25 May SWISS
20 May - 27 May United
18 May - 25 May Scandinavian Airlines
16 May - 23 May United
30 May - 06 Jun United

Also check the deals for one-way flights from Chicago to Helsinki in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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