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

Return flights

28 Feb - 07 Mar	easyJet
25 Feb - 03 Mar	easyJet
26 Feb - 07 Mar	easyJet
24 Feb - 27 Feb	easyJet
02 Feb - 06 Feb	easyJet
27 Feb - 07 Mar	easyJet
03 Feb - 07 Feb	easyJet
10 Feb - 14 Feb	easyJet
04 Feb - 07 Feb	Ryanair
23 Feb - 02 Mar	Ryanair
19 Feb - 12 Mar	Ryanair
04 Feb - 09 Feb	Ryanair
09 Feb - 12 Feb	easyJet
04 Feb - 10 Feb	Ryanair
02 Feb - 07 Feb	easyJet
22 Feb - 26 Feb	easyJet
25 Feb - 01 Mar	easyJet
26 Feb - 01 Mar	easyJet
19 Feb - 26 Mar	Ryanair
22 Feb - 01 Mar	easyJet

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

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 Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Lisbon to Keflavik in February from 139€

Return flights