Cheapest return flights from Keflavik to Lisbon in January from 132€

AirHint found the following cheapest return flights from Keflavik (KEF) to Lisbon (LIS) in January 2026 (see full year).

Return flights

16 Jan - 21 Jan easyJet
06 Jan - 12 Jan easyJet
06 Jan - 20 Jan easyJet
11 Jan - 18 Jan easyJet
09 Jan - 12 Jan easyJet
22 Jan - 29 Jan easyJet
08 Jan - 22 Jan easyJet
08 Jan - 11 Jan easyJet
11 Jan - 18 Jan Icelandair direct
22 Jan - 29 Jan Icelandair direct

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

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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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