Cheapest return flights from Keflavik to Lisbon in April from $189

AirHint found the following cheapest return flights from Keflavik (KEF) to Lisbon (LIS) in April 2026 (see full year).

Return flights

21 Apr - 28 Apr Wizz Air Malta
16 Apr - 21 Apr SWISS
30 Apr - 10 May Wizz Air
23 Apr - 30 Apr Jet2
28 Apr - 03 May easyJet
02 Apr - 09 Apr KLM
02 Apr - 12 Apr Scandinavian Airlines
23 Apr - 26 Apr easyJet
23 Apr - 03 May Jet2
02 Apr - 07 Apr Scandinavian Airlines
05 Apr - 09 Apr Wizz Air
05 Apr - 12 Apr Wizz Air
01 Apr - 06 Apr Scandinavian Airlines
30 Apr - 10 May Icelandair direct

Also check the deals for one-way flights from Keflavik to Lisbon in April.

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