AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Istanbul (IST) in October 2025 (see full year).
One-Way flights
| 30 Oct | Spirit Airlines | ||
| 29 Oct | Air Canada | ||
| 31 Oct | Spirit Airlines | ||
| 28 Oct | Turkish Airlines |
Also check the deals for return flights from Philadelphia to Istanbul in October.
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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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