Cheapest return flights from Porto to Keflavik in May from 252€

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

13 May - 18 May easyJet
29 May - 03 Jun easyJet
04 May - 08 May easyJet
01 May - 04 May Fly Play direct
17 May - 18 May TAP
08 May - 15 May Ryanair
29 May - 03 Jun Fly Play direct
01 May - 08 May Lufthansa
08 May - 15 May Fly Play direct
01 May - 08 May Fly Play direct
04 May - 08 May Fly Play direct

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

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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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