Cheapest return flights from Lisbon to Keflavik in July from $284

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

11 Jul - 18 Jul Fly Play direct
21 Jul - 28 Jul Fly Play direct
25 Jul - 04 Aug Fly Play direct
25 Jul - 01 Aug Fly Play direct
11 Jul - 21 Jul Fly Play direct
07 Jul - 14 Jul Fly Play direct
18 Jul - 25 Jul Fly Play direct
14 Jul - 21 Jul Fly Play direct
30 Jul - 06 Aug TAP
14 Jul - 25 Jul Fly Play direct
14 Jul - 18 Jul Fly Play direct
04 Jul - 11 Jul Fly Play direct
15 Jul - 19 Jul TAP
28 Jul - 04 Aug Fly Play direct
26 Jul - 02 Aug TAP
28 Jul - 06 Aug Transavia France
29 Jul - 05 Aug Ryanair
25 Jul - 03 Aug Fly Play
27 Jul - 03 Aug Icelandair direct
30 Jul - 04 Aug easyJet

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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