Cheapest return flights from Porto (OPO) to Keflavik (KEF), December

18 dates in December, from $ 144. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
1 Dec 5 Dec easyJet
1 Dec 10 Dec easyJet
10 Dec 16 Dec Ryanair
1 Dec 6 Dec easyJet
6 Dec 12 Dec Wizz Air Malta
5 Dec 12 Dec Ryanair
3 Dec 21 Jan 2027 Ryanair
8 Dec 12 Dec easyJet
10 Dec 13 Dec easyJet
12 Dec 16 Dec Ryanair
4 Dec 12 Dec Wizz Air
29 Dec 6 Jan 2027 TAP
30 Dec 4 Jan 2027 TAP
27 Dec 4 Jan 2027 Ryanair
26 Dec 2 Jan 2027 KLM
26 Dec 3 Jan 2027 KLM
26 Dec 10 Jan 2027 Vueling Airlines
19 Dec 3 Jan 2027 Vueling Airlines
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Cheapest deals for the full year

Deals for one-way flights from Porto to Keflavik in December.

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Updated Oct 10, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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