Cheapest one-way flights from Philadelphia to Zurich in September from $286

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

One-Way flights

30 Sep Spirit Airlines
15 Sep Spirit Airlines
18 Sep Spirit Airlines
06 Sep Spirit Airlines
14 Sep Frontier Airlines
14 Sep Finnair direct
17 Sep United
30 Sep Finnair direct
26 Sep American Airlines direct
15 Sep Finnair direct

Also check the deals for return flights from Philadelphia 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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