Cheapest return LIS–KEF flights, April

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

Return flights

22 Apr - 28 Apr Ryanair
21 Apr - 27 Apr Ryanair
21 Apr - 28 Apr Wizz Air Malta
25 Apr - 02 May TAP
29 Apr - 06 May Ryanair
27 Apr - 04 May Ryanair
28 Apr - 05 May Ryanair
20 Apr - 27 Apr Vueling Airlines
22 Apr - 29 Apr Ryanair
19 Apr - 26 Apr TAP
26 Apr - 03 May TAP
29 Apr - 02 May Ryanair
23 Apr - 26 Apr TAP
23 Apr - 03 May TAP
26 Apr - 07 May TAP
23 Apr - 30 Apr Air Europa
30 Apr - 07 May Vueling Airlines
24 Apr - 01 May TAP
23 Apr - 26 Apr Icelandair direct
19 Apr - 26 Apr Icelandair direct

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

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