Cheapest return flights from Lisbon to Keflavik in October from 135€

Best time to book flights for Lisbon (LIS) to Keflavik (KEF) flights at AirHint

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
21 Oct - 27 Oct easyJet
21 Oct - 24 Oct easyJet
31 Oct - 07 Nov Fly Play direct
04 Oct - 14 Oct easyJet
27 Oct - 27 Oct easyJet
03 Oct - 12 Oct Ryanair
01 Oct - 08 Oct TAP
06 Oct - 13 Oct Ryanair
05 Oct - 13 Oct Ryanair
27 Oct - 31 Oct Fly Play direct
20 Oct - 05 Nov Ryanair
17 Oct - 02 Nov Ryanair
26 Oct - 02 Nov easyJet
26 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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