Cheapest one-way flights from Keflavik to Lisbon in August from $162

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

18 Aug Fly Play direct
26 Aug Scandinavian Airlines
01 Aug Fly Play direct
07 Aug Fly Play
29 Aug Fly Play
29 Aug Fly Play direct
08 Aug Transavia France
08 Aug Fly Play direct
07 Aug TAP direct
03 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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