Cheapest return flights from Lisbon to Keflavik in April from $337

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

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

Return flights

30 Apr - 07 May TAP
29 Apr - 06 May TAP
30 Apr - 06 May TAP
27 Apr - 04 May TAP
28 Apr - 05 May Ryanair
27 Apr - 30 Apr TAP
29 Apr - 03 May TAP
28 Apr - 05 May Fly Play direct
27 Apr - 02 May TAP
28 Apr - 02 May Ryanair
27 Apr - 28 Apr TAP
28 Apr - 02 May Fly Play direct
27 Apr - 28 Apr Icelandair direct

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