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

Return flights

20 Oct - 26 Oct	Icelandair
13 Oct - 08 Nov	Icelandair
18 Oct - 01 Nov	Icelandair
24 Oct - 03 Nov	Icelandair
14 Oct - 21 Oct	TAP
10 Oct - 14 Oct	Austrian Airlines
29 Oct - 22 Nov	Scandinavian Airlines
25 Oct - 01 Nov	SWISS
26 Oct - 02 Nov	SWISS
02 Oct - 12 Oct	SWISS
12 Oct - 19 Oct	SWISS
13 Oct - 20 Oct	SWISS
16 Oct - 23 Oct	SWISS
17 Oct - 24 Oct	SWISS
20 Oct - 27 Oct	SWISS
21 Oct - 28 Oct	SWISS
31 Oct - 07 Nov	Icelandair
31 Oct - 22 Nov	KLM

Also check the deals for one-way flights from Washington to Stockholm 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 Stockholm in October from 321€

Return flights