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

Return flights

21 Jun - 28 Jun	Lufthansa
13 Jun - 20 Jun	Lufthansa
04 Jun - 11 Jun	Lufthansa
06 Jun - 16 Jun	Lufthansa
07 Jun - 14 Jun	SWISS
13 Jun - 22 Jun	Lufthansa
18 Jun - 25 Jun	Lufthansa
22 Jun - 08 Jul	Finnair
05 Jun - 12 Jun	Lufthansa
19 Jun - 26 Jun	Lufthansa
19 Jun - 29 Jun	Lufthansa
27 Jun - 04 Jul	Finnair
19 Jun - 03 Jul	Lufthansa
29 Jun - 17 Jul	Qatar Airways
28 Jun - 19 Jul	Qatar Airways

Also check the deals for one-way flights from Delhi to Keflavik in June.

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 June from $661

Return flights