Cheapest return flights from Singapore to Keflavik in May from $654

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

Return flights

05 May - 19 May Qatar Airways
17 May - 22 May Scoot
06 May - 16 May SWISS
26 May - 09 Jun Lufthansa
23 May - 31 May Scoot
13 May - 24 Jun Turkish Airlines
22 May - 06 Jun Gulf Air
31 May - 13 Jun Scoot
24 May - 07 Jun KLM
22 May - 30 May Lufthansa
23 May - 30 May Lufthansa
31 May - 14 Jun British Airways
30 May - 14 Jun British Airways
30 May - 13 Jun British Airways
22 May - 31 May Finnair
22 May - 01 Jun Finnair
11 May - 18 May Lufthansa
16 May - 27 May British Airways
05 May - 15 May Lufthansa
23 May - 03 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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