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

Return flights

22 Aug - 29 Aug	SWISS
28 Aug - 07 Sep	Lufthansa
24 Aug - 08 Sep	Lufthansa
23 Aug - 06 Sep	SWISS
19 Aug - 26 Aug	Finnair
21 Aug - 25 Aug	LOT
21 Aug - 28 Aug	Finnair
20 Aug - 27 Aug	Finnair
17 Aug - 21 Aug	Finnair

Also check the deals for one-way flights from Delhi 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 Delhi to Keflavik in August from 639€

Return flights