Cheapest return flights from Lisbon to Keflavik in July from 234€

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

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

Return flights

04 Jul - 18 Jul Fly Play direct
18 Jul - 25 Jul Fly Play direct
21 Jul - 25 Jul Fly Play direct
25 Jul - 04 Aug Fly Play direct
14 Jul - 25 Jul Fly Play direct
28 Jul - 04 Aug Fly Play direct
07 Jul - 11 Jul Fly Play direct
09 Jul - 16 Jul Ryanair
20 Jul - 25 Jul Ryanair
24 Jul - 31 Jul Icelandair direct
20 Jul - 27 Jul Ryanair
12 Jul - 19 Jul Ryanair
27 Jul - 03 Aug Icelandair direct
26 Jul - 02 Aug TAP
31 Jul - 10 Aug Ryanair
30 Jul - 08 Aug Ryanair
31 Jul - 10 Aug TAP direct
31 Jul - 04 Aug Ryanair
20 Jul - 03 Aug Vueling Airlines
27 Jul - 10 Aug Vueling Airlines

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

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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