Cheapest return flights from London to Keflavik in September from 178€

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

15 Sep - 18 Sep Norwegian
07 Sep - 09 Sep Wizz Air Malta
10 Sep - 16 Sep Wizz Air Malta
03 Sep - 10 Sep easyJet
12 Sep - 23 Sep easyJet
03 Sep - 13 Sep Wizz Air Malta
10 Sep - 21 Sep Wizz Air Malta
10 Sep - 13 Sep Wizz Air Malta
13 Sep - 20 Sep easyJet
27 Sep - 04 Oct Vueling Airlines
13 Sep - 23 Sep easyJet
26 Sep - 05 Oct Icelandair direct
27 Sep - 11 Oct Icelandair direct
27 Sep - 04 Oct Icelandair direct
26 Sep - 01 Oct Icelandair direct
28 Sep - 08 Oct Icelandair direct
27 Sep - 10 Oct Icelandair direct
28 Sep - 11 Oct Icelandair direct
29 Sep - 13 Oct Icelandair direct
30 Sep - 03 Oct 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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