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

Best time to book flights for Lisbon (LIS) to Keflavik (KEF) flights at AirHint

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

Return flights

19 Jan - 23 Jan Fly Play direct
09 Jan - 16 Jan Fly Play direct
08 Jan - 15 Jan Ryanair
07 Jan - 12 Jan TAP
07 Jan - 13 Jan TAP
09 Jan - 15 Jan Fly Play
05 Jan - 12 Jan Fly Play direct
06 Jan - 12 Jan British Airways
06 Jan - 13 Jan British Airways
05 Jan - 11 Jan easyJet

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

Skyscanner

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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