Cheapest one-way SEA–ATH flights, September

AirHint found the following cheapest one-way flights from Seattle (SEA) to Athens (ATH) in September 2026 (see full year).

One-Way flights

25 Sep Icelandair
05 Sep Icelandair
30 Sep Icelandair
15 Sep jetBlue
12 Sep Alaska Airlines
20 Sep British Airways
22 Sep British Airways
16 Sep British Airways
09 Sep British Airways
19 Sep Alaska Airlines

Also check the deals for return 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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