Cheapest one-way flights from Lisbon to Keflavik in August from $164

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

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

One-Way flights

25 Aug Ryanair
26 Aug easyJet
29 Aug Fly Play direct
11 Aug Transavia France
02 Aug easyJet
25 Aug Fly Play direct
20 Aug Ryanair
06 Aug Transavia France
24 Aug Ryanair
16 Aug Ryanair

Also check the deals for return flights from Lisbon to Keflavik 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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