Cheapest return flights from Lisbon to Keflavik in April from $254

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

18 Apr - 28 Apr Fly Play direct
30 Apr - 07 May Ryanair
18 Apr - 25 Apr Fly Play direct
29 Apr - 06 May TAP
14 Apr - 25 Apr Fly Play direct
29 Apr - 08 May Ryanair
19 Apr - 28 Apr Transavia France
25 Apr - 28 Apr TAP
16 Apr - 23 Apr Ryanair
19 Apr - 26 Apr Transavia France
26 Apr - 03 May TAP
23 Apr - 29 Apr TAP
15 Apr - 22 Apr Ryanair
14 Apr - 21 Apr Fly Play direct
27 Apr - 04 May TAP
28 Apr - 05 May TAP
28 Apr - 05 May Fly Play direct
18 Apr - 02 May Fly Play direct
25 Apr - 01 May TAP
28 Apr - 02 May TAP

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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