AirHint found the following cheapest one-way flights from Seattle (SEA) to Athens (ATH) in May 2026 (see full year).
One-Way flights
| 15 May | Finnair | ||
| 12 May | British Airways | ||
| 31 May | British Airways | ||
| 30 May | American Airlines | ||
| 28 May | British Airways |
Also check the deals for return flights from Seattle to Athens in May.
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