Cheapest return flights from London to Keflavik in October from $253

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

Return flights

07 Oct - 19 Oct Ryanair
16 Oct - 19 Oct easyJet
30 Oct - 06 Nov Ryanair
01 Oct - 03 Oct Ryanair
10 Oct - 14 Oct Ryanair
16 Oct - 19 Oct Jet2 direct
04 Oct - 07 Oct easyJet
09 Oct - 16 Oct Ryanair
12 Oct - 19 Oct Ryanair
23 Oct - 25 Oct Jet2 direct
23 Oct - 01 Nov Jet2 direct
17 Oct - 23 Oct Ryanair
24 Oct - 01 Nov Ryanair

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

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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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