Cheapest return BOS–ATH flights, May

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

Return flights

18 May - 26 May Icelandair
18 May - 27 May Icelandair
11 May - 22 May KLM
18 May - 25 May Icelandair
12 May - 25 May KLM
26 May - 04 Jun Condor
04 May - 18 May Icelandair
04 May - 15 May Icelandair
23 May - 03 Jun KLM
08 May - 13 Jun Air France
19 May - 26 May Icelandair
19 May - 27 May Icelandair
10 May - 14 May Icelandair
20 May - 03 Jun LEVEL
26 May - 01 Jun LEVEL
30 May - 13 Jun LEVEL
25 May - 04 Jun Porter Airlines (Canada) Ltd
23 May - 04 Jun Icelandair
31 May - 16 Jun Icelandair
27 May - 04 Jun Icelandair

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

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