Cheapest return flights from London to Keflavik in July from $558

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

Return flights

01 Jul - 09 Jul SWISS
08 Jul - 13 Jul SWISS
01 Jul - 31 Jul SWISS
20 Jul - 30 Jul Lufthansa
01 Jul - 05 Jul SWISS
05 Jul - 13 Jul Lufthansa
10 Jul - 19 Jul Lufthansa
19 Jul - 28 Jul SWISS
13 Jul - 19 Jul SWISS
02 Jul - 09 Jul SWISS
25 Jul - 03 Aug KLM
22 Jul - 05 Aug Lufthansa
28 Jul - 11 Aug KLM
22 Jul - 09 Aug SWISS

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

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