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

Return flights

03 Nov - 07 Nov	easyJet
28 Nov - 05 Dec	Fly Play	direct
08 Nov - 15 Nov	easyJet
30 Nov - 06 Dec	easyJet
24 Nov - 28 Nov	easyJet
05 Nov - 08 Nov	easyJet
29 Nov - 06 Dec	easyJet
09 Nov - 14 Nov	easyJet
07 Nov - 10 Nov	easyJet
14 Nov - 21 Nov	easyJet
12 Nov - 17 Nov	easyJet
07 Nov - 10 Nov	Fly Play	direct
03 Nov - 10 Nov	easyJet
24 Nov - 01 Dec	Fly Play	direct
28 Nov - 01 Dec	Fly Play	direct
30 Nov - 05 Dec	easyJet
28 Nov - 06 Dec	easyJet
29 Nov - 05 Dec	easyJet
28 Nov - 04 Dec	easyJet
30 Nov - 07 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 186€

Return flights