Cheapest return flights from Lisbon to Keflavik in October from 163€

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

Return flights

21 Oct - 28 Oct easyJet
01 Oct - 06 Oct Ryanair
24 Oct - 31 Oct TAP
25 Oct - 31 Oct TAP
17 Oct - 27 Oct Fly Play direct
01 Oct - 08 Oct easyJet
23 Oct - 31 Oct TAP
01 Oct - 07 Oct easyJet
15 Oct - 20 Oct Ryanair
01 Oct - 13 Oct Ryanair
30 Oct - 07 Nov easyJet
24 Oct - 01 Nov TAP
30 Oct - 02 Nov Vueling Airlines
30 Oct - 02 Nov Icelandair direct

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

Skyscanner

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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