Cheapest one-way flights from Seattle to Zurich in September from 245€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Zurich (ZRH) in September 2025 (see full year).

One-Way flights

14 Sep Delta
03 Sep British Airways
06 Sep British Airways
04 Sep Icelandair
09 Sep Icelandair
18 Sep British Airways
19 Sep Frontier Airlines
08 Sep SWISS direct
15 Sep SWISS direct
13 Sep SWISS direct

Also check the deals for return flights from Seattle to Zurich 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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