Cheapest return flights from Keflavik to Lisbon in July from $244

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

AirHint found the following cheapest return flights from Keflavik (KEF) to Lisbon (LIS) in July 2025 (see full year).

Return flights

18 Jul - 25 Jul Fly Play direct
14 Jul - 21 Jul Fly Play direct
02 Jul - 07 Jul easyJet
07 Jul - 19 Jul easyJet
06 Jul - 18 Jul Fly Play
17 Jul - 24 Jul Icelandair direct
06 Jul - 20 Jul Vueling Airlines
13 Jul - 20 Jul Vueling Airlines
27 Jul - 10 Aug Vueling Airlines

Also check the deals for one-way flights from Keflavik to Lisbon in July.

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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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