Cheapest return flights from London to Keflavik in June from $452

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

Return flights

15 Jun - 22 Jun Lufthansa
19 Jun - 22 Jun Lufthansa
10 Jun - 15 Jun SWISS
03 Jun - 15 Jun SWISS
21 Jun - 25 Jun Lufthansa
10 Jun - 14 Jun KLM
19 Jun - 23 Jun KLM
03 Jun - 07 Jun KLM
05 Jun - 19 Jun KLM
10 Jun - 17 Jun KLM
17 Jun - 01 Jul KLM

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

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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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