Cheapest return flights from Singapore to Keflavik in May from $864

Best time to book flights for Singapore (SIN) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Singapore (SIN) to Keflavik (KEF) in May 2025 (see full year).

Return flights

16 May - 31 May Scoot Tigerair
19 May - 26 May Finnair
07 May - 12 May Finnair
04 May - 18 May Finnair
01 May - 12 May Finnair
27 May - 11 Jun Finnair
12 May - 31 May Lufthansa
29 May - 09 Jun Finnair
19 May - 07 Jun Lufthansa
18 May - 26 May Lufthansa
18 May - 27 May Lufthansa
31 May - 15 Jun Finnair
24 May - 31 May Finnair
23 May - 01 Jun British Airways
29 May - 21 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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