AirHint found the following cheapest return flights from London (LCY) to Istanbul (SAW) in January 2026 (see full year).

Return flights

08 Jan - 12 Jan	ITA Airways
06 Jan - 14 Jan	SWISS
23 Jan - 26 Jan	Lufthansa
28 Jan - 01 Feb	Lufthansa
08 Jan - 30 Jan	ITA Airways
08 Jan - 06 Feb	ITA Airways
29 Jan - 01 Feb	Lufthansa
23 Jan - 25 Jan	SWISS
07 Jan - 28 Jan	ITA Airways
23 Jan - 27 Jan	SWISS
15 Jan - 22 Jan	ITA Airways
15 Jan - 21 Jan	ITA Airways
14 Jan - 29 Jan	ITA Airways
29 Jan - 05 Feb	ITA Airways
28 Jan - 05 Feb	ITA Airways
04 Jan - 04 Feb	ITA Airways

Also check the deals for one-way flights from London 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 London to Istanbul in January from 375€

Return flights