Cheapest return flights from Lisbon to Keflavik in January from 144€

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

Return flights

12 Jan - 19 Jan easyJet
14 Jan - 19 Jan easyJet
12 Jan - 15 Jan easyJet
23 Jan - 29 Jan easyJet
09 Jan - 16 Jan Fly Play direct
19 Jan - 26 Jan Fly Play direct
16 Jan - 19 Jan Fly Play direct
25 Jan - 29 Jan easyJet
11 Jan - 16 Jan easyJet
26 Jan - 02 Feb easyJet
26 Jan - 30 Jan easyJet
26 Jan - 02 Feb Fly Play 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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