AirHint found the following cheapest return flights from Boston (BOS) to Athens (ATH) in October 2025 (see full year).

Return flights

23 Oct - 30 Oct	SWISS
23 Oct - 15 Nov	TAP
27 Oct - 22 Nov	Scandinavian Airlines
22 Oct - 15 Nov	TAP
29 Oct - 22 Nov	TAP
24 Oct - 15 Nov	TAP
25 Oct - 15 Nov	TAP
30 Oct - 22 Nov	TAP
28 Oct - 22 Nov	TAP
15 Oct - 08 Nov	SWISS
28 Oct - 01 Nov	Austrian Airlines
15 Oct - 22 Oct	Lufthansa
18 Oct - 22 Oct	Turkish Airlines
17 Oct - 24 Oct	SWISS
21 Oct - 28 Oct	SWISS
22 Oct - 30 Oct	SWISS
20 Oct - 27 Oct	TAP
17 Oct - 23 Oct	Iberia
24 Oct - 30 Oct	SWISS
15 Oct - 29 Oct	SWISS

Also check the deals for one-way flights from Boston to Athens in October.

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 October from 516€

Return flights