Cheapest return flights from Seattle to Stockholm in September from $443

Best time to book flights for Seattle (SEA) to Stockholm (ARN) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Stockholm (ARN) in September 2025 (see full year).

Return flights

10 Sep - 07 Oct Icelandair
21 Sep - 28 Sep Scandinavian Airlines
04 Sep - 11 Sep Icelandair
05 Sep - 12 Sep Icelandair
06 Sep - 13 Sep Icelandair
09 Sep - 16 Sep Icelandair
11 Sep - 18 Sep Icelandair
12 Sep - 19 Sep Icelandair
13 Sep - 20 Sep Icelandair
03 Sep - 10 Sep Scandinavian Airlines
26 Sep - 03 Oct Scandinavian Airlines
30 Sep - 07 Oct Icelandair
27 Sep - 04 Oct Icelandair
28 Sep - 05 Oct Icelandair
16 Sep - 23 Sep Icelandair
25 Sep - 02 Oct Icelandair
29 Sep - 06 Oct Delta
24 Sep - 01 Oct Delta

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

Skyscanner

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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