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

Return flights

15 Oct - 22 Oct	Iberia
06 Oct - 13 Oct	Iberia
13 Oct - 20 Oct	Iberia
16 Oct - 27 Oct	Iberia
01 Oct - 15 Oct	Iberia For Level
17 Oct - 24 Oct	Iberia
28 Oct - 04 Nov	Iberia
06 Oct - 05 Nov	Iberia
27 Oct - 03 Nov	Iberia
02 Oct - 13 Oct	Iberia
31 Oct - 14 Nov	British Airways
10 Oct - 19 Oct	Iberia
10 Oct - 24 Oct	Iberia
02 Oct - 17 Oct	Iberia
25 Oct - 01 Nov	Brussels Airlines
29 Oct - 05 Nov	Turkish Airlines
26 Oct - 09 Nov	Scandinavian Airlines
03 Oct - 01 Nov	Iberia
26 Oct - 02 Nov	Scandinavian Airlines
15 Oct - 12 Nov	Air Canada

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 405€

Return flights