AirHint found the following cheapest return flights from London (LHR) to Mumbai (BOM) in May 2026 (see full year).

Return flights

21 May - 28 May	Air India
21 May - 04 Jun	Air India
20 May - 27 May	Air India
14 May - 28 May	Air India
12 May - 19 May	Air India
20 May - 03 Jun	Air India
22 May - 25 May	Air India
01 May - 25 May	Air India
01 May - 20 May	Air India
01 May - 04 Jun	Air India
15 May - 15 Jun	Air India
20 May - 28 Jun	Air India
12 May - 19 May	Air India	direct
14 May - 28 May	Air India	direct
03 May - 31 May	Air India
22 May - 20 Jun	Air India
29 May - 06 Jun	Air India
07 May - 02 Jun	Air India
30 May - 06 Jun	Air India
08 May - 19 Jun	Air India

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

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 May from 438€

Return flights