Cheapest return IAD–ATH flights, May

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

Return flights

27 May - 03 Jun Icelandair
26 May - 03 Jun TAP
25 May - 03 Jun Porter Airlines (Canada) Ltd
29 May - 09 Jun Icelandair
31 May - 11 Jun Porter Airlines (Canada) Ltd
20 May - 29 May Lufthansa
30 May - 07 Jun Porter Airlines (Canada) Ltd
26 May - 01 Jun Icelandair
20 May - 26 May Lufthansa
26 May - 17 Jun TAP
29 May - 21 Jun Icelandair
29 May - 30 Jun Icelandair
23 May - 31 May Porter Airlines (Canada) Ltd
23 May - 30 May Porter Airlines (Canada) Ltd
24 May - 30 May Austrian Airlines
22 May - 25 May Austrian Airlines
24 May - 31 May Lufthansa
22 May - 31 May Lufthansa
22 May - 29 May Scandinavian Airlines
24 May - 31 May United direct

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

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