Cheapest return flights from Chicago to Helsinki in May from $666

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

07 May - 14 May Finnair direct
17 May - 23 May Spirit Airlines
17 May - 25 May Spirit Airlines
08 May - 19 May Spirit Airlines
22 May - 27 May Spirit Airlines
02 May - 05 May Scandinavian Airlines
10 May - 17 May United
20 May - 27 May United
08 May - 19 May Finnair direct
16 May - 23 May United
26 May - 02 Jun Scandinavian Airlines

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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