Cheapest return flights from Lisbon to Keflavik in April from $244

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

04 Apr - 07 Apr Fly Play direct
18 Apr - 25 Apr Fly Play direct
09 Apr - 12 Apr Ryanair
25 Apr - 01 May Ryanair
28 Apr - 02 May Fly Play direct
21 Apr - 28 Apr Ryanair
14 Apr - 19 Apr Ryanair
11 Apr - 18 Apr Fly Play direct
11 Apr - 14 Apr Austrian Airlines
12 Apr - 17 Apr easyJet
11 Apr - 14 Apr Fly Play direct
21 Apr - 28 Apr Fly Play 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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