Cheapest one-way flights from Lisbon to Keflavik in September from 102€

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Keflavik (KEF) in September 2026 (see full year).

One-Way flights

30 Sep easyJet
22 Sep Vueling Airlines
16 Sep easyJet
24 Sep easyJet
17 Sep easyJet
07 Sep easyJet
22 Sep Icelandair direct
24 Sep Icelandair direct

Also check the deals for return flights from Lisbon to Keflavik in September.

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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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