Cheapest return flights from Porto to Keflavik in May from 213€

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

Return flights

07 May - 10 May Vueling Airlines
26 May - 31 May Vueling Airlines
27 May - 31 May Ryanair
13 May - 19 May Ryanair
02 May - 06 May Ryanair
21 May - 28 May Ryanair
20 May - 27 May Ryanair
13 May - 17 May Ryanair
05 May - 12 May Ryanair
10 May - 17 May Ryanair
29 May - 07 Jun Ryanair
31 May - 06 Jun Ryanair
26 May - 09 Jun TAP

Also check the deals for one-way flights from Porto 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.