Cheapest return flights from Lisbon to Keflavik in January from 166€

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

Return flights

12 Jan - 16 Jan Fly Play direct
19 Jan - 23 Jan Fly Play direct
26 Jan - 02 Feb easyJet
11 Jan - 15 Jan easyJet
15 Jan - 29 Jan Lufthansa
15 Jan - 22 Jan Lufthansa
29 Jan - 05 Feb Lufthansa
21 Jan - 25 Jan easyJet
21 Jan - 26 Jan easyJet
26 Jan - 02 Feb Fly Play direct
22 Jan - 25 Jan Icelandair direct
10 Jan - 17 Jan easyJet
07 Jan - 11 Jan Ryanair
29 Jan - 05 Feb Icelandair direct

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