Cheapest return flights from London to Keflavik in September from 196€

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

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

Return flights

28 Sep - 03 Oct Wizz Air Malta
20 Sep - 23 Sep Wizz Air Malta
29 Sep - 12 Oct Vueling Airlines
18 Sep - 02 Oct Icelandair direct
19 Sep - 04 Oct Icelandair direct
27 Sep - 01 Oct Wizz Air Malta
13 Sep - 25 Sep Wizz Air Malta
23 Sep - 03 Oct Icelandair direct
28 Sep - 04 Oct Icelandair direct
25 Sep - 05 Oct Icelandair direct
27 Sep - 30 Sep Wizz Air Malta
27 Sep - 04 Oct Icelandair direct
26 Sep - 04 Oct Icelandair direct
12 Sep - 20 Sep easyJet
02 Sep - 16 Sep Icelandair direct
13 Sep - 27 Sep Icelandair direct
05 Sep - 21 Sep Icelandair direct
17 Sep - 30 Sep Icelandair direct
23 Sep - 28 Sep easyJet
16 Sep - 28 Sep Icelandair direct

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

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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