Cheapest return BOS–ATH flights, September

AirHint found the following cheapest return flights from Boston (BOS) to Athens (ATH) in September 2026 (see full year).

Return flights

16 Sep - 27 Sep LEVEL
16 Sep - 30 Sep LEVEL
09 Sep - 16 Sep LEVEL
13 Sep - 27 Sep LEVEL
29 Sep - 13 Oct Turkish Airlines
01 Sep - 30 Oct Turkish Airlines
09 Sep - 19 Sep LEVEL
09 Sep - 13 Sep LEVEL
08 Sep - 15 Sep Turkish Airlines
20 Sep - 01 Oct LEVEL
17 Sep - 12 Oct Turkish Airlines
08 Sep - 24 Sep Turkish Airlines
09 Sep - 22 Sep Turkish Airlines
10 Sep - 22 Sep Turkish Airlines
26 Sep - 10 Oct Turkish Airlines
25 Sep - 02 Oct Icelandair
15 Sep - 01 Oct Iberia
29 Sep - 13 Oct Delta direct
26 Sep - 10 Oct Delta direct
22 Sep - 02 Oct Delta direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.