AirHint found the following cheapest return flights from London (LHR) to Mumbai (BOM) in August 2025 (see full year).

Return flights

18 Aug - 15 Sep	KLM
27 Aug - 24 Sep	KLM
24 Aug - 26 Sep	KLM
18 Aug - 22 Sep	KLM
25 Aug - 22 Sep	KLM
18 Aug - 23 Sep	KLM
24 Aug - 24 Sep	KLM
26 Aug - 17 Sep	KLM
18 Aug - 26 Sep	KLM
20 Aug - 29 Sep	KLM
09 Aug - 11 Aug	LOT
05 Aug - 12 Aug	Air India
15 Aug - 18 Aug	Air India
06 Aug - 13 Aug	Air India
13 Aug - 18 Aug	Air India
07 Aug - 18 Aug	Air India
05 Aug - 19 Aug	Air India
07 Aug - 12 Aug	Air India
13 Aug - 19 Aug	Air India
11 Aug - 19 Aug	Air India

Also check the deals for one-way flights from London to Mumbai in August.

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 Mumbai in August from $540

Return flights