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	Icelandair
07 Oct - 14 Oct	Iberia
15 Oct - 22 Oct	Icelandair
12 Oct - 22 Oct	Icelandair
14 Oct - 21 Oct	Iberia
01 Oct - 08 Oct	Iberia
16 Oct - 23 Oct	Iberia
22 Oct - 29 Oct	Icelandair
01 Oct - 29 Oct	Iberia
01 Oct - 05 Nov	Iberia
21 Oct - 26 Oct	Icelandair
23 Oct - 06 Nov	Iberia For Level
30 Oct - 06 Nov	Iberia
02 Oct - 06 Nov	Iberia
06 Oct - 05 Nov	Scandinavian Airlines
26 Oct - 09 Nov	Scandinavian Airlines
29 Oct - 05 Nov	Icelandair
31 Oct - 07 Nov	SWISS
02 Oct - 01 Nov	Iberia
28 Oct - 04 Nov	Turkish Airlines

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 $464

Return flights