Cheapest return flights from Porto to Keflavik in May from 202€

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

Return flights

01 May - 05 May Norwegian
20 May - 26 May Ryanair
09 May - 12 May TAP
14 May - 17 May easyJet
27 May - 31 May Ryanair
13 May - 19 May Ryanair
02 May - 06 May Ryanair
10 May - 12 May Ryanair
02 May - 08 May Ryanair
20 May - 27 May Ryanair
25 May - 02 Jun TAP
29 May - 07 Jun Transavia France
28 May - 04 Jun Ryanair
30 May - 10 Jun Ryanair
29 May - 06 Jun Austrian Airlines

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

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