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

Return flights

03 Dec - 24 Dec	ITA Airways
03 Dec - 27 Dec	ITA Airways
03 Dec - 20 Dec	ITA Airways
03 Dec - 21 Dec	ITA Airways
05 Dec - 20 Dec	ITA Airways
03 Dec - 25 Jan	Spirit Airlines
04 Dec - 21 Dec	Iberia For Level
04 Dec - 22 Dec	Iberia
06 Dec - 20 Dec	Iberia
08 Dec - 22 Dec	Iberia
03 Dec - 22 Dec	Air Canada
13 Dec - 13 Jan	Iberia
28 Dec - 16 Jan	Iberia
23 Dec - 07 Jan	Air Canada
25 Dec - 07 Jan	Turkish Airlines
25 Dec - 08 Jan	Turkish Airlines
17 Dec - 10 Jan	Scandinavian Airlines
27 Dec - 07 Jan	Turkish Airlines
25 Dec - 01 Jan	Turkish Airlines
21 Dec - 10 Jan	Air Canada

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

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 December from $448

Return flights