Cheapest return flights from Ljubljana to Keflavik in April from $202

Best time to book flights for Ljubljana (LJU) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Ljubljana (LJU) to Keflavik (KEF) in April 2025 (see full year).

Return flights

30 Apr - 10 May SWISS
23 Apr - 01 May SWISS
30 Apr - 06 May SWISS
10 Apr - 22 Apr transavia
28 Apr - 03 May easyJet
17 Apr - 28 Apr LOT
16 Apr - 28 Apr SWISS
25 Apr - 04 May Norwegian Air Sweden AOC
10 Apr - 20 Apr transavia
15 Apr - 21 Apr LOT
01 Apr - 09 Apr transavia
17 Apr - 27 Apr LOT
18 Apr - 27 Apr Norwegian Air Sweden AOC
12 Apr - 19 Apr Air Serbia
26 Apr - 04 May LOT

Also check the deals for one-way flights from Ljubljana 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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