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

Return flights

02 Mar - 06 Mar	SWISS
05 Mar - 08 Mar	SWISS
18 Mar - 25 Mar	SWISS
17 Mar - 24 Mar	SWISS
16 Mar - 25 Mar	ITA Airways
17 Mar - 25 Mar	ITA Airways
06 Mar - 08 Mar	SWISS
09 Mar - 13 Mar	SWISS
06 Mar - 10 Mar	SWISS
11 Mar - 18 Mar	ITA Airways
10 Mar - 07 Apr	KLM
09 Mar - 07 Apr	KLM
19 Mar - 02 Apr	KLM
26 Mar - 02 Apr	KLM
01 Mar - 02 Apr	KLM
01 Mar - 01 Apr	KLM
31 Mar - 10 Apr	KLM
31 Mar - 13 Apr	KLM
30 Mar - 02 Apr	KLM
11 Mar - 05 Apr	KLM

Also check the deals for one-way flights from London to Istanbul in March.

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 March from $289

Return flights