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

Return flights

24 Nov - 02 Dec	Ryanair
24 Nov - 26 Nov	Ryanair
24 Nov - 28 Nov	Ryanair
29 Nov - 04 Dec	Ryanair
29 Nov - 06 Dec	Ryanair
30 Nov - 06 Dec	Ryanair
23 Nov - 02 Dec	Wizz Air
20 Nov - 01 Dec	Ryanair
29 Nov - 05 Dec	Ryanair
29 Nov - 03 Dec	Ryanair
20 Nov - 27 Nov	Ryanair
12 Nov - 19 Nov	Ryanair
29 Nov - 08 Dec	Ryanair
23 Nov - 29 Nov	Ryanair
21 Nov - 24 Nov	Ryanair
15 Nov - 19 Nov	Ryanair
20 Nov - 25 Nov	Ryanair
13 Nov - 17 Nov	Ryanair
21 Nov - 25 Nov	Ryanair
21 Nov - 01 Dec	Ryanair

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

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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Cheapest return flights from Porto to Keflavik in November from 200€

Return flights