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

Return flights

02 Feb - 05 Feb	easyJet
13 Feb - 16 Feb	Fly Play	direct
08 Feb - 12 Feb	Vueling Airlines
06 Feb - 11 Feb	easyJet
02 Feb - 06 Feb	Fly Play	direct
22 Feb - 26 Feb	easyJet
20 Feb - 01 Mar	easyJet
22 Feb - 01 Mar	easyJet
11 Feb - 15 Feb	easyJet
12 Feb - 16 Feb	Ryanair
08 Feb - 13 Feb	easyJet
15 Feb - 19 Feb	Transavia France
22 Feb - 01 Mar	Icelandair	direct

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.

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Cheapest return flights from Lisbon to Keflavik in February from 168€

Return flights