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

Return flights

01 Dec - 12 Dec	Aer Lingus
08 Dec - 24 Dec	KLM
11 Dec - 25 Dec	KLM
30 Dec - 13 Jan	SWISS
29 Dec - 24 Jan	KLM
13 Dec - 13 Jan	KLM
01 Dec - 15 Dec	Air Canada
02 Dec - 09 Dec	Turkish Airlines
04 Dec - 11 Dec	Turkish Airlines
12 Dec - 07 Jan	Icelandair
16 Dec - 11 Jan	Icelandair
06 Dec - 27 Dec	Icelandair
25 Dec - 08 Jan	Scandinavian Airlines
14 Dec - 27 Dec	ITA Airways
25 Dec - 17 Jan	Iberia
08 Dec - 15 Dec	Turkish Airlines
10 Dec - 17 Dec	Turkish Airlines
25 Dec - 10 Jan	Scandinavian Airlines
27 Dec - 17 Jan	LEVEL
16 Dec - 10 Jan	Azores Airlines

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Boston to Athens in December from $461

Return flights