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

Return flights

01 Jun - 14 Jun	Qatar Airways
01 Jun - 25 Jun	Qatar Airways
04 Jun - 18 Jun	Malaysia Airlines
10 Jun - 21 Jun	Qatar Airways
08 Jun - 19 Jun	Qatar Airways
09 Jun - 20 Jun	SWISS
08 Jun - 14 Jun	Qatar Airways
28 Jun - 08 Jul	Etihad Airways
10 Jun - 20 Jun	SWISS
06 Jun - 13 Jun	British Airways
06 Jun - 21 Jun	British Airways
24 Jun - 03 Jul	Finnair
19 Jun - 03 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 777€

Return flights