AirHint found the following cheapest return flights from Singapore (SIN) to Keflavik (KEF) in June 2026 (see full year).

Return flights

02 Jun - 11 Jun	Lufthansa
06 Jun - 20 Jun	Malaysia Airlines
09 Jun - 16 Jun	Lufthansa
05 Jun - 15 Jun	Lufthansa
05 Jun - 13 Jun	Lufthansa
01 Jun - 10 Jun	British Airways
16 Jun - 21 Jun	Finnair
27 Jun - 21 Jul	Finnair
05 Jun - 19 Jun	British Airways
28 Jun - 21 Jul	SWISS
29 Jun - 21 Jul	Finnair
27 Jun - 12 Jul	Finnair
27 Jun - 10 Jul	Finnair

Also check the deals for one-way flights from Singapore 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 Singapore to Keflavik in June from 752€

Return flights