Cheapest one-way flights from Keflavik to Lisbon in August from 149€

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

25 Aug Fly Play direct
26 Aug Scandinavian Airlines
30 Aug Fly Play
27 Aug Fly Play
01 Aug Fly Play direct
31 Aug Fly Play
29 Aug Fly Play
28 Aug Fly Play
29 Aug Fly Play direct
10 Aug Fly Play

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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