Cheapest return flights from Lisbon to Keflavik in May from 244€

AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in May 2026 (see full year).

Return flights

02 May - 09 May easyJet
03 May - 10 May easyJet
03 May - 07 May easyJet
06 May - 11 May easyJet
10 May - 14 May easyJet
21 May - 28 May easyJet
07 May - 11 May Lufthansa
01 May - 05 May TAP
28 May - 31 May transavia
17 May - 24 May easyJet

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

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.