AirHint found the following cheapest return flights from Washington (IAD) to Berlin (BER) in October 2025 (see full year).

Return flights

11 Oct - 01 Nov	Icelandair
08 Oct - 01 Nov	Icelandair
14 Oct - 08 Nov	Icelandair
20 Oct - 31 Oct	Icelandair
23 Oct - 03 Nov	Scandinavian Airlines
30 Oct - 22 Nov	Scandinavian Airlines
30 Oct - 06 Nov	Scandinavian Airlines
18 Oct - 22 Oct	Icelandair
31 Oct - 09 Nov	Lufthansa
06 Oct - 10 Oct	Icelandair
10 Oct - 01 Nov	Aer Lingus
07 Oct - 13 Oct	SWISS
15 Oct - 19 Nov	SWISS
15 Oct - 22 Oct	Scandinavian Airlines
15 Oct - 21 Oct	Scandinavian Airlines
16 Oct - 21 Oct	Lufthansa
12 Oct - 18 Oct	Lufthansa
24 Oct - 27 Oct	Delta
03 Oct - 25 Oct	Lufthansa
31 Oct - 07 Nov	Icelandair

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

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.

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Cheapest return flights from Washington to Berlin in October from $453

Return flights