Cheapest return flights from Singapore to Keflavik in May from 715€

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

Return flights

18 May - 26 May SWISS
05 May - 19 May Malaysia Airlines
31 May - 14 Jun Etihad Airways
11 May - 21 May Lufthansa
22 May - 01 Jun Gulf Air
23 May - 28 May Lufthansa
29 May - 11 Jun Lufthansa
17 May - 25 May British Airways
27 May - 06 Jun British Airways
27 May - 01 Jun British Airways
18 May - 29 May British Airways
18 May - 31 May British Airways
01 May - 08 May British Airways
23 May - 29 May British Airways
25 May - 31 May British Airways
23 May - 13 Jun British Airways
30 May - 13 Jun Lufthansa

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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