Cheapest return flights from Chicago to Helsinki in August from $556

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

Return flights

06 Aug - 30 Sep Turkish Airlines
16 Aug - 23 Aug Icelandair
26 Aug - 02 Sep Air Canada
21 Aug - 28 Aug Turkish Airlines
27 Aug - 03 Sep Air Canada
19 Aug - 26 Aug Icelandair
17 Aug - 24 Aug Icelandair
23 Aug - 30 Aug Icelandair
11 Aug - 27 Aug Icelandair
15 Aug - 20 Aug TAP
30 Aug - 15 Sep Scandinavian Airlines
13 Aug - 20 Aug United
31 Aug - 07 Sep Scandinavian Airlines
15 Aug - 22 Aug Scandinavian Airlines
29 Aug - 05 Sep Scandinavian Airlines
17 Aug - 24 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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