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

Return flights

11 Nov - 02 Dec	easyJet
10 Nov - 02 Dec	easyJet
13 Nov - 04 Dec	easyJet
05 Nov - 25 Nov	Jet2
05 Nov - 26 Nov	Jet2
04 Nov - 25 Nov	easyJet
10 Nov - 01 Dec	Wizz Air Malta
04 Nov - 24 Nov	easyJet
04 Nov - 22 Dec	easyJet
06 Nov - 27 Nov	easyJet
03 Nov - 24 Nov	Wizz Air Malta
06 Nov - 23 Nov	easyJet
09 Nov - 30 Nov	Jet2
03 Nov - 24 Dec	Wizz Air Malta
04 Nov - 23 Dec	easyJet
03 Nov - 22 Dec	Wizz Air Malta
09 Nov - 23 Nov	Wizz Air
03 Nov - 23 Dec	Wizz Air Malta
04 Nov - 25 Dec	easyJet
02 Nov - 23 Nov	Wizz Air

Also check the deals for one-way flights from Keflavik to Lisbon 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 Keflavik to Lisbon in November from 240€

Return flights