Cheapest return flights from Philadelphia to Zurich in September from 549€

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

Return flights

04 Sep - 17 Sep Scandinavian Airlines
03 Sep - 17 Sep Scandinavian Airlines
11 Sep - 23 Sep Condor
08 Sep - 17 Sep Iberia
10 Sep - 23 Sep Delta
10 Sep - 24 Sep Delta
15 Sep - 24 Sep Frontier Airlines
11 Sep - 24 Sep Delta
12 Sep - 26 Sep Lufthansa
14 Sep - 04 Oct Air Canada
13 Sep - 04 Oct Frontier Airlines
20 Sep - 29 Sep Spirit Airlines
30 Sep - 07 Oct United
24 Sep - 01 Oct United
28 Sep - 05 Oct United

Also check the deals for one-way flights from Philadelphia to Zurich 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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