Cheapest return flights from Singapore to Keflavik in October from $848

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 October 2025 (see full year).

Return flights

20 Oct - 30 Oct SWISS
20 Oct - 27 Oct SWISS
11 Oct - 21 Oct Scoot Tigerair
01 Oct - 16 Oct Finnair
26 Oct - 05 Nov Finnair
25 Oct - 05 Nov Finnair
03 Oct - 15 Oct Finnair
01 Oct - 15 Oct Finnair
07 Oct - 19 Oct Finnair
13 Oct - 20 Oct Finnair
03 Oct - 26 Oct Finnair
18 Oct - 30 Oct Lufthansa
17 Oct - 02 Nov Finnair
17 Oct - 01 Nov Lufthansa
18 Oct - 01 Nov Lufthansa

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik