Cheapest return flights from Singapore to Keflavik in December from $975

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 December 2025 (see full year).

Return flights

01 Dec - 07 Dec Scoot Tigerair
01 Dec - 10 Dec British Airways
01 Dec - 11 Dec Scoot Tigerair
02 Dec - 09 Dec Qatar Airways
18 Dec - 01 Jan Lufthansa
02 Dec - 16 Dec British Airways
05 Dec - 19 Dec Lufthansa
19 Dec - 28 Dec Lufthansa
19 Dec - 02 Jan Lufthansa
08 Dec - 21 Dec Lufthansa
07 Dec - 21 Dec Qatar Airways
12 Dec - 12 Dec Singapore Airlines

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

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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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