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

Return flights

29 Aug - 11 Sep	Lufthansa
02 Aug - 07 Aug	SWISS
01 Aug - 07 Aug	KLM
30 Aug - 12 Sep	Lufthansa
28 Aug - 04 Sep	Lufthansa
02 Aug - 12 Aug	SWISS
24 Aug - 31 Aug	Lufthansa
20 Aug - 29 Aug	Lufthansa
15 Aug - 19 Aug	Lufthansa
16 Aug - 23 Aug	SWISS
30 Aug - 13 Sep	Lufthansa
14 Aug - 23 Aug	SWISS
14 Aug - 17 Aug	SWISS
22 Aug - 31 Aug	Lufthansa

Also check the deals for one-way flights from Mumbai to Keflavik 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 Mumbai to Keflavik in August from $898

Return flights