Cheapest return flights from Philadelphia to Zurich in May from $777

Best time to book flights for Philadelphia (PHL) to Zurich (ZRH) flights at AirHint

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

Return flights

13 May - 24 May Scandinavian Airlines
21 May - 30 May American Airlines direct
13 May - 24 May American Airlines direct
05 May - 12 May United
01 May - 08 May United
26 May - 03 Jun Scandinavian Airlines
26 May - 03 Jun American Airlines direct
22 May - 30 May SWISS
22 May - 30 May American Airlines direct
26 May - 02 Jun Delta
31 May - 07 Jun United

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

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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