AirHint found the following cheapest return flights from Singapore (SIN) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 13 Apr - 23 Apr | Lufthansa | ||
| 06 Apr - 15 Apr | British Airways | ||
| 29 Apr - 10 May | KLM | ||
| 30 Apr - 10 May | British Airways | ||
| 25 Apr - 01 May | British Airways | ||
| 29 Apr - 03 May | British Airways | ||
| 08 Apr - 18 Apr | SWISS |
Also check the deals for one-way flights from Singapore to Keflavik in April.
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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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