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

Return flights

12 Mar - 24 Mar	SWISS
01 Mar - 24 Mar	SWISS
17 Mar - 24 Mar	SWISS
10 Mar - 19 Mar	SWISS
04 Mar - 26 Mar	SWISS
12 Mar - 26 Mar	SWISS
09 Mar - 26 Mar	SWISS
02 Mar - 26 Mar	SWISS
10 Mar - 26 Mar	SWISS
11 Mar - 26 Mar	SWISS
01 Mar - 01 Apr	SWISS
04 Mar - 01 Apr	SWISS
12 Mar - 01 Apr	SWISS
26 Mar - 15 Apr	ITA Airways
13 Mar - 01 Apr	Lufthansa
20 Mar - 01 Apr	SWISS
11 Mar - 15 Apr	ITA Airways
25 Mar - 01 Apr	SWISS
21 Mar - 15 Apr	ITA Airways
10 Mar - 22 Apr	ITA Airways

Also check the deals for one-way flights from London to Delhi 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 Delhi in March from 551€

Return flights