Cheapest return flights from Chicago to Helsinki in August from $684

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 August 2025 (see full year).

Return flights

22 Aug - 01 Sep Turkish Airlines
12 Aug - 19 Aug United
17 Aug - 24 Aug Scandinavian Airlines
27 Aug - 03 Sep United
22 Aug - 29 Aug Scandinavian Airlines
07 Aug - 14 Aug United
02 Aug - 10 Aug Turkish Airlines
06 Aug - 11 Aug Finnair direct

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

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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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