Cheapest return flights from London to Keflavik in June from $565

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

Return flights

01 Jun - 08 Jun Lufthansa
24 Jun - 29 Jun SWISS
17 Jun - 28 Jun SWISS
03 Jun - 10 Jun KLM
22 Jun - 29 Jun SWISS
12 Jun - 19 Jun Luxair
21 Jun - 28 Jun Lufthansa
10 Jun - 17 Jun KLM
25 Jun - 09 Jul KLM
26 Jun - 03 Jul Luxair
29 Jun - 03 Jul SWISS
25 Jun - 30 Jun KLM
04 Jun - 07 Jun KLM
25 Jun - 02 Jul KLM
26 Jun - 05 Jul KLM
23 Jun - 02 Jul KLM
28 Jun - 02 Jul SWISS
30 Jun - 10 Jul KLM
25 Jun - 03 Jul KLM

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

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