Cheapest one-way flights from Keflavik to Lisbon in August from 159€

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 August 2025 (see full year).

One-Way flights

27 Aug Fly Play
01 Aug Fly Play direct
28 Aug Fly Play
31 Aug Fly Play
10 Aug Vueling Airlines
03 Aug Vueling Airlines
28 Aug Icelandair direct
31 Aug Icelandair direct
17 Aug Vueling Airlines

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

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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