Cheapest return flights from London to Keflavik in June from 265€

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

Return flights

11 Jun - 18 Jun KLM
04 Jun - 08 Jun KLM
10 Jun - 17 Jun KLM
07 Jun - 11 Jun KLM
18 Jun - 21 Jun KLM
03 Jun - 17 Jun KLM
04 Jun - 07 Jun KLM
03 Jun - 08 Jun KLM
17 Jun - 21 Jun KLM
17 Jun - 30 Jun SWISS
03 Jun - 02 Jul KLM
26 Jun - 01 Jul KLM
25 Jun - 01 Jul KLM
26 Jun - 05 Jul KLM
25 Jun - 05 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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