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

Return flights

26 Nov - 04 Dec	easyJet
27 Nov - 02 Dec	easyJet
29 Nov - 03 Dec	Ryanair
27 Nov - 04 Dec	easyJet
29 Nov - 05 Dec	Ryanair
29 Nov - 04 Dec	Ryanair
25 Nov - 28 Nov	Wizz Air
28 Nov - 03 Dec	Ryanair
24 Nov - 01 Dec	Ryanair
30 Nov - 06 Dec	Vueling Airlines
11 Nov - 14 Nov	Ryanair
20 Nov - 24 Nov	Ryanair
24 Nov - 29 Nov	Ryanair
28 Nov - 05 Dec	Ryanair
21 Nov - 28 Nov	Vueling Airlines
19 Nov - 25 Nov	Ryanair
13 Nov - 18 Nov	Ryanair
06 Nov - 12 Nov	Ryanair
18 Nov - 25 Nov	Ryanair
15 Nov - 21 Nov	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 189€

Return flights