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

Return flights

21 Jun - 30 Jun	SWISS
21 Jun - 05 Jul	SWISS
09 Jun - 14 Jun	Iberia
18 Jun - 02 Jul	Aer Lingus
16 Jun - 27 Jun	Air Canada
24 Jun - 18 Jul	Air Canada
26 Jun - 10 Jul	United
20 Jun - 11 Jul	Air Canada
21 Jun - 11 Jul	Air Canada
02 Jun - 20 Jun	United
02 Jun - 20 Jun	Virgin Atlantic	direct

Also check the deals for one-way flights from Boston 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.

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Cheapest return flights from Boston to Athens in June from 577€

Return flights