Cheapest return flights from London to Keflavik in September from 187€

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

Return flights

08 Sep - 15 Sep Norwegian
15 Sep - 22 Sep Norwegian
09 Sep - 15 Sep Norwegian
23 Sep - 04 Oct Icelandair direct
30 Sep - 12 Oct Icelandair direct
06 Sep - 13 Sep Icelandair direct
23 Sep - 30 Sep Icelandair direct
09 Sep - 15 Sep Icelandair direct
25 Sep - 05 Oct Icelandair direct
14 Sep - 29 Sep easyJet
15 Sep - 22 Sep Icelandair direct
08 Sep - 15 Sep Icelandair direct
25 Sep - 30 Sep Icelandair direct
26 Sep - 10 Oct easyJet
26 Sep - 03 Oct Icelandair direct
25 Sep - 10 Oct easyJet
25 Sep - 10 Oct Icelandair direct
26 Sep - 10 Oct Icelandair direct
24 Sep - 08 Oct easyJet
24 Sep - 08 Oct Icelandair direct

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

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