Cheapest return flights from Seattle to Athens in September from $578

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 - 20 Sep Scandinavian Airlines
06 Sep - 20 Sep Scandinavian Airlines
17 Sep - 24 Sep Condor
22 Sep - 10 Oct Air France
18 Sep - 25 Sep British Airways
28 Sep - 05 Oct British Airways
29 Sep - 06 Oct British Airways
17 Sep - 27 Sep British Airways
16 Sep - 23 Sep Delta
04 Sep - 24 Sep Turkish Airlines
10 Sep - 24 Sep Condor
15 Sep - 22 Sep Turkish Airlines
19 Sep - 26 Sep Turkish Airlines

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

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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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