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

Return flights

24 Nov - 02 Dec	easyJet
26 Nov - 02 Dec	easyJet
29 Nov - 03 Dec	Ryanair
19 Nov - 24 Nov	Ryanair
24 Nov - 01 Dec	easyJet
28 Nov - 02 Dec	easyJet
26 Nov - 29 Nov	Ryanair
30 Nov - 02 Dec	easyJet
30 Nov - 09 Dec	easyJet
30 Nov - 04 Dec	easyJet
19 Nov - 27 Nov	Ryanair
28 Nov - 06 Dec	easyJet
18 Nov - 23 Nov	Ryanair
19 Nov - 28 Nov	Ryanair
30 Nov - 05 Dec	Wizz Air
24 Nov - 30 Nov	easyJet
17 Nov - 27 Nov	easyJet
17 Nov - 25 Nov	easyJet
08 Nov - 18 Nov	Ryanair
19 Nov - 26 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 199€

Return flights