Cheapest return flights from Porto to Keflavik in October from 189€

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 October 2025 (see full year).

Return flights

16 Oct - 23 Oct Fly Play direct
12 Oct - 19 Oct Fly Play direct
14 Oct - 22 Oct easyJet
09 Oct - 19 Oct Fly Play direct
15 Oct - 22 Oct easyJet
22 Oct - 27 Oct Ryanair
25 Oct - 08 Nov easyJet
14 Oct - 17 Oct Ryanair
14 Oct - 21 Oct Ryanair
13 Oct - 21 Oct Transavia France
13 Oct - 16 Oct Ryanair

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

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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