Cheapest return flights from Seattle to Thessaloniki in August from $811

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

Return flights

25 Aug - 01 Sep Turkish Airlines
27 Aug - 03 Sep Turkish Airlines
31 Aug - 07 Sep Turkish Airlines
30 Aug - 06 Sep Turkish Airlines
28 Aug - 04 Sep Finnair
29 Aug - 05 Sep Turkish Airlines
26 Aug - 02 Sep Aer Lingus

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

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