Cheapest return flights from London to Keflavik in September from 112€

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

Return flights

10 Sep - 24 Sep easyJet direct
28 Sep - 01 Oct easyJet direct
24 Sep - 01 Oct easyJet direct
28 Sep - 08 Oct easyJet direct
17 Sep - 24 Sep easyJet direct
07 Sep - 10 Sep easyJet direct
03 Sep - 10 Sep easyJet direct
16 Sep - 24 Sep easyJet
14 Sep - 17 Sep easyJet
07 Sep - 14 Sep easyJet direct
14 Sep - 28 Sep easyJet direct
14 Sep - 17 Sep easyJet direct
28 Sep - 04 Oct easyJet
10 Sep - 14 Sep easyJet direct
30 Sep - 06 Oct easyJet
26 Sep - 01 Oct easyJet
30 Sep - 05 Oct easyJet
26 Sep - 08 Oct easyJet
28 Sep - 02 Oct easyJet
25 Sep - 01 Oct easyJet

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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