Cheapest return flights from Seattle to Helsinki in August from 731€

AirHint found the following cheapest return flights from Seattle (SEA) to Helsinki (HEL) in August 2026 (see full year).

Return flights

31 Aug - 07 Sep Icelandair
04 Aug - 11 Aug Icelandair
05 Aug - 12 Aug Icelandair
19 Aug - 26 Aug Icelandair
26 Aug - 02 Sep Icelandair
12 Aug - 19 Aug Icelandair
10 Aug - 17 Aug Icelandair
17 Aug - 24 Aug Icelandair
24 Aug - 31 Aug Icelandair
13 Aug - 20 Aug Icelandair
06 Aug - 13 Aug Icelandair
20 Aug - 27 Aug Icelandair
27 Aug - 03 Sep Icelandair

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

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