AirHint found the following cheapest return flights from Philadelphia (PHL) to Istanbul (SAW) in May 2026 (see full year).
Return flights
| 10 May - 24 Jun | Aer Lingus | ||
| 05 May - 24 Jun | Aer Lingus | ||
| 09 May - 24 Jun | Aer Lingus | ||
| 04 May - 11 May | Aer Lingus |
Also check the deals for one-way flights from Philadelphia to Istanbul in May.
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