Cheapest return flights from Porto to Keflavik in May from 203€

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

29 May - 10 Jun Fly Play direct
22 May - 25 May Fly Play direct
18 May - 25 May Fly Play direct
27 May - 03 Jun easyJet
16 May - 19 May Ryanair
20 May - 27 May Ryanair
14 May - 18 May Ryanair
18 May - 22 May Fly Play direct
20 May - 23 May Ryanair
24 May - 29 May Ryanair
16 May - 18 May Ryanair
15 May - 19 May TAP
30 May - 03 Jun Lufthansa

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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