AirHint found the following cheapest return flights from Keflavik (KEF) to Prague (PRG) in May 2026 (see full year).
Return flights
| 18 May - 20 May | easyJet | ||
| 01 May - 10 May | Lufthansa | ||
| 02 May - 11 May | Scandinavian Airlines | ||
| 16 May - 18 May | Lufthansa | ||
| 16 May - 18 May | Icelandair | direct | |
| 02 May - 11 May | Icelandair | direct |
Also check the deals for one-way flights from Keflavik to Prague in May.
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