Cheapest return LIS–KEF flights, July

AirHint found the following cheapest return flights from Lisbon (LIS) to Keflavik (KEF) in July 2026 (see full year).

Return flights

30 Jul - 09 Aug Transavia France
16 Jul - 26 Jul Transavia France
23 Jul - 30 Jul Transavia France
06 Jul - 13 Jul Transavia France
09 Jul - 16 Jul easyJet
07 Jul - 14 Jul easyJet
09 Jul - 12 Jul easyJet
01 Jul - 29 Jul Transavia France
16 Jul - 23 Jul Transavia France
22 Jul - 29 Jul Ryanair
01 Jul - 08 Jul easyJet
24 Jul - 02 Aug Ryanair
30 Jul - 06 Aug Transavia France
23 Jul - 02 Aug Ryanair
28 Jul - 04 Aug Ryanair
29 Jul - 05 Aug Ryanair
25 Jul - 02 Aug Ryanair
27 Jul - 03 Aug Ryanair
23 Jul - 02 Aug Icelandair direct
23 Jul - 01 Aug Transavia France

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

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