Cheapest return flights from Seattle to Athens in September from 643€

Best time to book flights for Seattle (SEA) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Athens (ATH) in September 2025 (see full year).

Return flights

01 Sep - 30 Sep Scandinavian Airlines
23 Sep - 30 Sep Turkish Airlines
17 Sep - 03 Oct Turkish Airlines
04 Sep - 20 Sep Turkish Airlines
01 Sep - 22 Sep Turkish Airlines
09 Sep - 30 Sep Condor
01 Sep - 21 Sep Turkish Airlines
01 Sep - 08 Sep Scandinavian Airlines
02 Sep - 09 Sep Turkish Airlines

Also check the deals for one-way flights from Seattle to Athens in September.

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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