AirHint found the following cheapest return flights from San Diego (SAN) to Istanbul (IST) in July 2025 (see full year).

Return flights

31 Jul - 12 Aug	British Airways
28 Jul - 11 Aug	Delta
22 Jul - 29 Jul	jetBlue
15 Jul - 19 Jul	KLM
16 Jul - 20 Jul	Delta
10 Jul - 17 Jul	Hawaiian Airlines
03 Jul - 16 Jul	Delta
06 Jul - 01 Aug	Delta
03 Jul - 11 Jul	Delta
02 Jul - 05 Jul	Delta

Also check the deals for one-way flights from San Diego to Istanbul in July.

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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Cheapest return flights from San Diego to Istanbul in July from 716€

Return flights