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

Return flights

26 Nov - 02 Dec	easyJet
29 Nov - 04 Dec	easyJet
08 Nov - 11 Nov	easyJet
08 Nov - 14 Nov	easyJet
26 Nov - 30 Nov	easyJet
10 Nov - 13 Nov	easyJet
24 Nov - 28 Nov	easyJet
07 Nov - 10 Nov	Fly Play	direct
14 Nov - 17 Nov	Fly Play	direct
22 Nov - 29 Nov	easyJet
28 Nov - 05 Dec	Fly Play	direct
28 Nov - 01 Dec	Fly Play	direct
30 Nov - 04 Dec	easyJet
09 Nov - 15 Nov	Vueling Airlines
03 Nov - 13 Nov	easyJet
30 Nov - 05 Dec	easyJet
27 Nov - 04 Dec	Vueling Airlines
27 Nov - 01 Dec	Ryanair
28 Nov - 06 Dec	easyJet
26 Nov - 01 Dec	Ryanair

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 150€

Return flights