Cheapest return flights from Seattle to Milano in September from $498

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

Return flights

05 Sep - 10 Sep Scandinavian Airlines
10 Sep - 01 Oct Scandinavian Airlines
12 Sep - 18 Sep Scandinavian Airlines
12 Sep - 06 Oct Scandinavian Airlines
14 Sep - 22 Sep Icelandair
08 Sep - 15 Sep Icelandair
11 Sep - 13 Oct Condor

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

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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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