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

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

Return flights

06 Oct - 10 Oct easyJet
13 Oct - 20 Oct Ryanair
01 Oct - 12 Oct KLM
03 Oct - 09 Oct Ryanair
06 Oct - 09 Oct Ryanair
10 Oct - 16 Oct Ryanair
21 Oct - 27 Oct Vueling Airlines
03 Oct - 05 Oct Transavia France
04 Oct - 09 Oct Ryanair
26 Oct - 30 Oct Ryanair

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

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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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