Cheapest return flights from Keflavik to Lisbon in April from 293€

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

Return flights

11 Apr - 21 Apr Icelandair
29 Apr - 31 May easyJet
09 Apr - 19 Apr Transavia France
27 Apr - 31 May easyJet
28 Apr - 31 May easyJet
30 Apr - 31 May easyJet
26 Apr - 28 May easyJet
09 Apr - 19 Apr Icelandair direct
26 Apr - 28 May Icelandair direct

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