Cheapest one-way flights from Seattle to Zurich in September from 267€

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

One-Way flights

27 Sep Hawaiian Airlines
13 Sep Hawaiian Airlines
29 Sep jetBlue
22 Sep Frontier Airlines
19 Sep Frontier Airlines
08 Sep SWISS direct
25 Sep Frontier Airlines
21 Sep Lufthansa
17 Sep Air Canada
16 Sep Air Canada

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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