Cheapest return flights from Lisbon to Keflavik in October from $216

AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in October 2026 (see full year).

Return flights

13 Oct - 20 Oct easyJet
12 Oct - 12 Nov easyJet
21 Oct - 28 Oct easyJet
08 Oct - 15 Oct easyJet
14 Oct - 21 Oct Vueling Airlines
01 Oct - 08 Oct easyJet
15 Oct - 22 Oct TAP
01 Oct - 10 Oct easyJet
06 Oct - 13 Oct easyJet
12 Oct - 19 Oct easyJet
20 Oct - 27 Oct easyJet
28 Oct - 04 Nov easyJet
30 Oct - 06 Nov TAP
31 Oct - 07 Nov easyJet
27 Oct - 03 Nov easyJet
26 Oct - 02 Nov easyJet
29 Oct - 05 Nov easyJet
15 Oct - 15 Nov easyJet
25 Oct - 01 Nov TAP
15 Oct - 15 Nov Icelandair direct

Also check the deals for one-way flights from Lisbon to Keflavik in October.

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