Cheapest return flights from Singapore to Keflavik in May from 665€

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

Return flights

01 May - 12 May Lufthansa
12 May - 19 May Malaysia Airlines
20 May - 14 Jun Finnair
29 May - 09 Jun Lufthansa
25 May - 02 Jun Lufthansa
14 May - 14 Jun Finnair
22 May - 31 May British Airways
22 May - 29 May British Airways
29 May - 07 Jun British Airways
29 May - 06 Jun British Airways
28 May - 06 Jun British Airways
29 May - 05 Jun British Airways
30 May - 13 Jun British Airways
25 May - 05 Jun Finnair

Also check the deals for one-way flights from Singapore to Keflavik in May.

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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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