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

Return flights

04 Nov - 13 Nov	Fly Play	direct
07 Nov - 13 Nov	Fly Play	direct
10 Nov - 19 Nov	Fly Play	direct
01 Nov - 07 Nov	Fly Play	direct
07 Nov - 08 Nov	Fly Play	direct
04 Nov - 08 Nov	Fly Play	direct
07 Nov - 10 Nov	Fly Play	direct
02 Nov - 08 Nov	Fly Play	direct
13 Nov - 19 Nov	Fly Play	direct
03 Nov - 06 Nov	Fly Play	direct
28 Nov - 03 Dec	Fly Play	direct
02 Nov - 14 Dec	Fly Play	direct
28 Nov - 04 Dec	Fly Play	direct
29 Nov - 03 Dec	Fly Play	direct
27 Nov - 01 Dec	Fly Play	direct
28 Nov - 01 Dec	Fly Play	direct

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 100€

Return flights