Cheapest return flights from Washington to Frankfurt in May from 666€

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

Return flights

05 May - 15 May Icelandair
11 May - 19 May Scandinavian Airlines
05 May - 21 May Icelandair
05 May - 26 May Icelandair
03 May - 08 May Icelandair
12 May - 26 May Porter Airlines (Canada) Ltd
19 May - 15 Jun Porter Airlines (Canada) Ltd
08 May - 28 May Icelandair
18 May - 15 Jun Icelandair
25 May - 23 Jun Porter Airlines (Canada) Ltd
24 May - 31 May Porter Airlines (Canada) Ltd
25 May - 05 Jun Porter Airlines (Canada) Ltd
19 May - 30 May Porter Airlines (Canada) Ltd
09 May - 22 May Icelandair
26 May - 26 Jun Porter Airlines (Canada) Ltd
17 May - 11 Jun Porter Airlines (Canada) Ltd
31 May - 14 Jun Porter Airlines (Canada) Ltd
28 May - 06 Jun Porter Airlines (Canada) Ltd
16 May - 09 Jun Porter Airlines (Canada) Ltd
11 May - 02 Jun Delta

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

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