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

Return flights

01 Oct - 30 Oct	Air France
02 Oct - 13 Oct	Air France
01 Oct - 22 Oct	Air France
02 Oct - 07 Oct	Air France
01 Oct - 12 Oct	Air France
01 Oct - 07 Oct	Air France
02 Oct - 23 Oct	Air France
01 Oct - 29 Oct	Air France
02 Oct - 09 Oct	Air France
01 Oct - 15 Oct	Air France
01 Oct - 17 Nov	Air France
01 Oct - 03 Nov	Air France
02 Oct - 03 Nov	Air France
02 Oct - 04 Nov	Air France
01 Oct - 05 Nov	Air France
04 Oct - 05 Nov	Air France
11 Oct - 10 Nov	Saudia
03 Oct - 04 Nov	Air France
03 Oct - 03 Nov	Air France
01 Oct - 01 Nov	Air France

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

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 October from $540

Return flights