Cheapest return IAD–BER flights, September

AirHint found the following cheapest return flights from Washington (IAD) to Berlin (BER) in September 2026 (see full year).

Return flights

30 Sep - 07 Oct Icelandair
28 Sep - 05 Oct Icelandair
29 Sep - 06 Oct Icelandair
25 Sep - 02 Oct Icelandair
26 Sep - 03 Oct Icelandair
05 Sep - 12 Sep Icelandair
14 Sep - 21 Sep Icelandair
22 Sep - 29 Sep Icelandair
07 Sep - 14 Sep Icelandair
08 Sep - 15 Sep Icelandair
10 Sep - 17 Sep Icelandair
12 Sep - 19 Sep Icelandair
13 Sep - 20 Sep Icelandair
16 Sep - 23 Sep Icelandair
18 Sep - 25 Sep Icelandair
27 Sep - 04 Oct United
24 Sep - 01 Oct Scandinavian Airlines

Also check the deals for one-way flights from Washington to Berlin in September.

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