Cheapest return flights from Philadelphia to Istanbul in August from 612€

AirHint found the following cheapest return flights from Philadelphia (PHL) to Istanbul (IST) in August 2025 (see full year).

Return flights

25 Aug - 09 Sep Lufthansa
16 Aug - 13 Sep Spirit Airlines
31 Aug - 07 Sep Delta
19 Aug - 29 Aug Delta
15 Aug - 21 Aug Delta
09 Aug - 16 Aug Frontier Airlines
01 Aug - 11 Aug Delta

Also check the deals for one-way flights from Philadelphia to Istanbul in August.

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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