Cheapest return flights from Porto to Keflavik in May from 186€

Best time to book flights for Porto (OPO) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in May 2025 (see full year).

Return flights

08 May - 11 May Fly Play direct
18 May - 25 May Fly Play direct
07 May - 14 May Ryanair
08 May - 15 May Fly Play direct
09 May - 11 May Ryanair
13 May - 18 May Ryanair
11 May - 25 May Ryanair
10 May - 14 May easyJet
11 May - 11 May Ryanair
06 May - 11 May Vueling Airlines
29 May - 10 Jun Fly Play direct
30 May - 12 Jun Ryanair
28 May - 01 Jun Ryanair
26 May - 01 Jun Vueling Airlines

Also check the deals for one-way flights from Porto 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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