Cheapest return flights from Lisbon to Keflavik in May from $192

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 May 2025 (see full year).

Return flights

02 May - 12 May Fly Play direct
09 May - 12 May Fly Play direct
16 May - 19 May Fly Play direct
23 May - 30 May Fly Play direct
02 May - 09 May Fly Play direct
02 May - 05 May Fly Play direct
06 May - 14 May easyJet
14 May - 21 May Vueling Airlines
05 May - 09 May Fly Play direct
09 May - 14 May Vueling Airlines
30 May - 08 Jun Vueling Airlines
31 May - 08 Jun easyJet
23 May - 02 Jun Fly Play direct
30 May - 06 Jun easyJet

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

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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