Cheapest return flights from Keflavik to Lisbon in January from $207

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

Return flights

22 Jan - 29 Jan easyJet
22 Jan - 29 Jan Icelandair direct

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

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.