Cheapest return flights from Seattle to Stockholm in September from $395

AirHint found the following cheapest return flights from Seattle (SEA) to Stockholm (ARN) in September 2026 (see full year).

Return flights

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

Also check the deals for one-way flights from Seattle to Stockholm in September.

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