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

Return flights

08 Oct - 15 Oct	Iberia
15 Oct - 08 Nov	TAP
06 Oct - 03 Nov	Scandinavian Airlines
14 Oct - 08 Nov	TAP
19 Oct - 25 Oct	Scandinavian Airlines
18 Oct - 08 Nov	TAP
01 Oct - 15 Oct	Icelandair
07 Oct - 21 Oct	TAP
23 Oct - 28 Oct	Turkish Airlines
22 Oct - 12 Nov	TAP
02 Oct - 25 Oct	Scandinavian Airlines
17 Oct - 08 Nov	TAP
02 Oct - 07 Oct	Turkish Airlines
11 Oct - 19 Oct	Austrian Airlines
09 Oct - 15 Oct	TAP
06 Oct - 20 Oct	SWISS
28 Oct - 22 Nov	Iberia

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 443€

Return flights