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Cheapest return flights from Lisbon (lis) to Keflavik (KEF), January

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Dates, airline, and price
Dates	Airline	Price
07 Jan 21 Jan	Lufthansa
10 Jan 15 Jan	easyJet
07 Jan 25 Feb	Lufthansa
11 Jan 15 Jan	easyJet
17 Jan 28 Jan	easyJet
20 Jan 31 Jan	Ryanair
17 Jan 01 Feb	easyJet
16 Jan 20 Jan	Ryanair
26 Jan 31 Jan	Ryanair
16 Jan 19 Jan	Ryanair
15 Jan 20 Jan	easyJet
31 Jan 05 Feb	easyJet
07 Jan 10 Jan	Lufthansa
25 Jan 02 Feb	TAP
07 Jan 25 Feb	Icelandair Direct Flight

deals for one-way flights from Lisbon to Keflavik in January.

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Updated Aug 26, 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 return flights from Lisbon (lis) to Keflavik (KEF), January

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