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

Return flights

09 Nov - 12 Nov	Jet2	direct
09 Nov - 14 Nov	Jet2
25 Nov - 28 Nov	easyJet
18 Nov - 21 Nov	easyJet
09 Nov - 16 Nov	Jet2	direct
12 Nov - 14 Nov	Jet2
13 Nov - 20 Nov	Ryanair
02 Nov - 05 Nov	Jet2	direct
22 Nov - 25 Nov	Ryanair
16 Nov - 21 Nov	Ryanair
25 Nov - 02 Dec	easyJet
28 Nov - 06 Dec	Ryanair
23 Nov - 09 Dec	Ryanair
30 Nov - 01 Dec	Ryanair
30 Nov - 02 Dec	Ryanair
28 Nov - 01 Dec	Ryanair
29 Nov - 07 Dec	Ryanair
28 Nov - 02 Dec	Ryanair
29 Nov - 06 Dec	Ryanair
26 Nov - 04 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 $154

Return flights