Cheapest return flights from Keflavik to Lisbon in April from $239

Best time to book flights for Keflavik (KEF) to Lisbon (LIS) flights at AirHint

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

Return flights

03 Apr - 04 Apr Iberia Express
07 Apr - 11 Apr Fly Play
02 Apr - 02 Apr easyJet
03 Apr - 11 Apr Iberia Express
07 Apr - 18 Apr Fly Play
08 Apr - 14 Apr easyJet
07 Apr - 11 Apr Fly Play direct
03 Apr - 03 Apr Iberia Express
17 Apr - 25 Apr Scandinavian Airlines
07 Apr - 18 Apr Fly Play direct
30 Apr - 04 May easyJet
24 Apr - 01 May Icelandair direct

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

Skyscanner

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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