Cheapest return flights from London to Keflavik in June from $153

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

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

Return flights

02 Jun - 10 Jun Icelandair direct
05 Jun - 10 Jun Icelandair direct
06 Jun - 08 Jun Icelandair direct
04 Jun - 09 Jun Icelandair direct
03 Jun - 06 Jun Icelandair direct
06 Jun - 11 Jun Icelandair direct
10 Jun - 13 Jun Icelandair direct
06 Jun - 09 Jun Icelandair direct
04 Jun - 13 Jun Icelandair direct
02 Jun - 09 Jun Icelandair direct
06 Jun - 09 Jul Scandinavian Airlines
15 Jun - 07 Jul Icelandair direct
27 Jun - 11 Jul Icelandair
06 Jun - 09 Jul Icelandair direct
28 Jun - 12 Jul Icelandair direct
23 Jun - 06 Jul Icelandair direct
26 Jun - 06 Jul Icelandair direct
26 Jun - 07 Jul Icelandair direct
22 Jun - 08 Jul Icelandair direct
23 Jun - 03 Jul Icelandair direct

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

Skyscanner

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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