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

Return flights

19 Feb - 01 Mar	Icelandair	direct
19 Feb - 08 Mar	Icelandair	direct
25 Feb - 04 Mar	easyJet
28 Feb - 07 Mar	easyJet
24 Feb - 03 Mar	easyJet
02 Feb - 09 Feb	Ryanair
01 Feb - 08 Feb	Icelandair	direct
05 Feb - 08 Feb	Icelandair	direct
04 Feb - 09 Feb	Ryanair
24 Feb - 02 Mar	easyJet
02 Feb - 10 Feb	Ryanair
04 Feb - 10 Feb	Ryanair
26 Feb - 03 Mar	easyJet
07 Feb - 09 Feb	Ryanair
03 Feb - 10 Feb	easyJet
05 Feb - 09 Feb	Ryanair
23 Feb - 06 Mar	Ryanair
26 Feb - 04 Mar	easyJet
04 Feb - 12 Feb	Ryanair
27 Feb - 06 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.

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Cheapest return flights from Lisbon to Keflavik in February from 178€

Return flights