AirHint found the following cheapest return flights from Seattle (SEA) to Athens (ATH) in June 2026 (see full year).

Return flights

07 Jun - 21 Jun	Lufthansa
10 Jun - 24 Jun	Lufthansa
19 Jun - 06 Jul	Scandinavian Airlines
19 Jun - 27 Jun	Scandinavian Airlines
25 Jun - 06 Jul	Icelandair
25 Jun - 05 Jul	Icelandair
24 Jun - 05 Jul	Lufthansa
17 Jun - 05 Jul	Lufthansa
18 Jun - 26 Jun	Icelandair
18 Jun - 25 Jun	United
18 Jun - 27 Jun	Turkish Airlines

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

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Seattle to Athens in June from 757€

Return flights