Cheapest return flights from London to Keflavik in June from 371€

Best time to book flights for London (LCY) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Keflavik (KEF) in June 2025 (see full year).

Return flights

04 Jun - 10 Jun SWISS
11 Jun - 17 Jun SWISS
02 Jun - 17 Jun SWISS
09 Jun - 12 Jun SWISS
02 Jun - 05 Jun Lufthansa
16 Jun - 19 Jun KLM
05 Jun - 11 Jun KLM
12 Jun - 18 Jun KLM
04 Jun - 07 Jun SWISS
19 Jun - 26 Jun SWISS
18 Jun - 02 Jul KLM
30 Jun - 17 Jul Lufthansa
29 Jun - 03 Jul Lufthansa
23 Jun - 03 Jul SWISS
23 Jun - 01 Jul SWISS
28 Jun - 04 Jul KLM
25 Jun - 02 Jul KLM
29 Jun - 04 Jul KLM
22 Jun - 02 Jul KLM
28 Jun - 03 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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