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Cheapest one-way flights from Lisbon (LIS) to Keflavik (KEF), December

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Dates, airline, and price
Dates	Airline	Price
10 Dec	Ryanair
11 Dec	easyJet
01 Dec	easyJet
08 Dec	easyJet
27 Dec	TAP
19 Dec	Vueling Airlines
27 Dec	Icelandair Direct Flight
08 Dec	Icelandair Direct Flight
01 Dec	Icelandair Direct Flight
10 Dec	Icelandair Direct Flight

deals for return flights from Lisbon to Keflavik in December.

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Updated Jul 20, 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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Cheapest one-way flights from Lisbon (LIS) to Keflavik (KEF), December

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