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

Return flights

11 Nov - 18 Nov	easyJet
03 Nov - 10 Nov	Ryanair
04 Nov - 18 Nov	easyJet
16 Nov - 18 Nov	Ryanair
17 Nov - 20 Nov	Ryanair
03 Nov - 06 Nov	Ryanair
07 Nov - 10 Nov	Ryanair
25 Nov - 27 Nov	easyJet
16 Nov - 20 Nov	Ryanair
03 Nov - 08 Nov	Ryanair
17 Nov - 01 Dec	Ryanair
28 Nov - 06 Dec	Ryanair
28 Nov - 07 Dec	Ryanair
28 Nov - 01 Dec	Ryanair
30 Nov - 05 Dec	Ryanair
22 Nov - 05 Dec	easyJet

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

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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Cheapest return flights from London to Keflavik in November from 128€

Return flights