Cheapest return LIS–KEF flights, October

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

Return flights

14 Oct - 20 Oct easyJet
21 Oct - 28 Oct Ryanair
13 Oct - 28 Oct Ryanair
14 Oct - 18 Oct Ryanair
11 Oct - 15 Oct Ryanair
03 Oct - 05 Oct easyJet
11 Oct - 22 Oct Ryanair
06 Oct - 13 Oct easyJet
25 Oct - 03 Nov TAP
01 Oct - 08 Oct Vueling Airlines
29 Oct - 01 Nov easyJet
07 Oct - 14 Oct easyJet
30 Oct - 02 Nov TAP
30 Oct - 03 Nov TAP
29 Oct - 01 Nov Icelandair direct
23 Oct - 01 Nov TAP

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

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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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