Cheapest return flights from Singapore to Keflavik in May from 686€

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

Return flights

20 May - 30 May SWISS
07 May - 21 May Lufthansa
23 May - 31 May Scoot
21 May - 31 May Turkish Airlines
15 May - 30 May SWISS
27 May - 04 Jun Lufthansa
23 May - 30 May Lufthansa
17 May - 30 May Lufthansa
22 May - 07 Jun Finnair
30 May - 12 Jun British Airways
22 May - 13 Jun SWISS
22 May - 31 May 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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