AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in November 2025 (see full year).

Return flights

28 Nov - 05 Dec	Fly Play	direct
24 Nov - 01 Dec	Fly Play	direct
24 Nov - 28 Nov	easyJet
28 Nov - 01 Dec	Fly Play	direct
07 Nov - 14 Nov	Fly Play	direct
11 Nov - 18 Nov	easyJet
21 Nov - 28 Nov	easyJet
07 Nov - 13 Nov	easyJet
22 Nov - 29 Nov	easyJet
06 Nov - 13 Nov	easyJet
15 Nov - 22 Nov	easyJet
07 Nov - 10 Nov	Fly Play	direct
19 Nov - 26 Nov	easyJet
29 Nov - 06 Dec	Ryanair
25 Nov - 02 Dec	Vueling Airlines
30 Nov - 05 Dec	easyJet
28 Nov - 04 Dec	easyJet
30 Nov - 07 Dec	easyJet
26 Nov - 03 Dec	easyJet
27 Nov - 04 Dec	easyJet

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

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 November from $182

Return flights