AirHint found the following cheapest return flights from San Jose (SJC) to Istanbul (IST) in January 2026 (see full year).

Return flights

12 Jan - 26 Jan	Frontier Airlines
16 Jan - 26 Jan	British Airways
10 Jan - 17 Jan	British Airways
19 Jan - 02 Feb	Qatar Airways
20 Jan - 17 Feb	Qatar Airways
20 Jan - 31 Jan	Qatar Airways
17 Jan - 27 Feb	Qatar Airways
09 Jan - 23 Feb	Qatar Airways
16 Jan - 24 Jan	Alaska Airlines
23 Jan - 01 Feb	Qatar Airways
09 Jan - 31 Jan	Qatar Airways
17 Jan - 24 Jan	Alaska Airlines
07 Jan - 17 Jan	Alaska Airlines
19 Jan - 26 Jan	Alaska Airlines
08 Jan - 13 Jan	Alaska Airlines

Also check the deals for one-way flights from San Jose to Istanbul in January.

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 Jose to Istanbul in January from $764

Return flights