Cheapest one-way flights from Keflavik to Lisbon in August from 142€

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

13 Aug easyJet
08 Aug Fly Play direct
10 Aug Fly Play
01 Aug Fly Play direct
14 Aug Fly Play
22 Aug Fly Play direct
03 Aug Fly Play
09 Aug Fly Play
23 Aug Scandinavian Airlines
24 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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