Cheapest one-way flights from Keflavik to Lisbon in October from $134

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

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

One-Way flights

07 Oct Fly Play
12 Oct Jet2
11 Oct Fly Play
05 Oct easyJet
10 Oct Scandinavian Airlines
12 Oct Icelandair direct
05 Oct Icelandair direct

Also check the deals for return flights from Keflavik to Lisbon 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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