Cheapest return SEA–ARN flights, May

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

Return flights

01 May - 08 May Lufthansa
03 May - 13 May Lufthansa
04 May - 11 May Delta
05 May - 21 May Icelandair
05 May - 20 May Icelandair
22 May - 26 May Lufthansa
05 May - 19 May Delta
03 May - 12 May Air France
04 May - 21 May Delta
11 May - 20 May Air France
27 May - 07 Jun Icelandair
26 May - 02 Jun Icelandair
19 May - 09 Jun Lufthansa
30 May - 06 Jun Icelandair
30 May - 05 Jun Alaska Airlines

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

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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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