Cheapest return flights from London to Keflavik in June from $210

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

01 Jun - 02 Jun British Airways direct
01 Jun - 09 Jun British Airways direct
12 Jun - 14 Jun Scandinavian Airlines
02 Jun - 09 Jun British Airways direct
01 Jun - 04 Jun British Airways
12 Jun - 16 Jun Scandinavian Airlines
12 Jun - 20 Jun Scandinavian Airlines
03 Jun - 11 Jun Icelandair direct
01 Jun - 05 Jun British Airways
03 Jun - 05 Jun Scandinavian Airlines
14 Jun - 16 Jul Icelandair direct
15 Jun - 03 Jul Icelandair
21 Jun - 02 Jul British Airways
25 Jun - 02 Jul Scandinavian Airlines
19 Jun - 16 Jul Eurowings
21 Jun - 01 Jul British Airways
29 Jun - 09 Jul Scandinavian Airlines
25 Jun - 03 Jul Icelandair
25 Jun - 02 Jul Icelandair direct
23 Jun - 17 Jul Vueling Airlines

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik