AirHint found the following cheapest return flights from Keflavik (KEF) to Billund (BLL) in April 2026 (see full year).
Return flights
| 13 Apr - 19 Apr | Wizz Air | ||
| 11 Apr - 18 Apr | Wizz Air | ||
| 27 Apr - 04 May | Wizz Air | ||
| 13 Apr - 18 Apr | Lufthansa | ||
| 27 Apr - 04 May | Icelandair | direct | |
| 06 Apr - 10 Apr | Scandinavian Airlines |
Also check the deals for one-way flights from Keflavik to Billund in April.
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