AirHint found the following cheapest return flights from Seattle (SEA) to Zurich (ZRH) in June 2026 (see full year).

Return flights

03 Jun - 12 Jun	Icelandair
04 Jun - 11 Jun	Icelandair
09 Jun - 16 Jun	Icelandair
03 Jun - 17 Jun	Condor
14 Jun - 21 Jun	Icelandair
24 Jun - 01 Jul	Icelandair
06 Jun - 15 Jun	Scandinavian Airlines
19 Jun - 26 Jun	Icelandair

Also check the deals for one-way flights from Seattle to Zurich in June.

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 Seattle to Zurich in June from 623€

Return flights