Cheapest return flights from London to Keflavik in October from $104

Best time to book flights for London (STN) to Keflavik (KEF) flights at AirHint

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

Return flights

13 Oct - 16 Oct Fly Play direct
05 Oct - 16 Oct Fly Play direct
05 Oct - 10 Oct Fly Play direct
12 Oct - 15 Oct Fly Play direct
05 Oct - 17 Oct Fly Play direct
05 Oct - 11 Oct Fly Play direct
13 Oct - 18 Oct Fly Play direct
08 Oct - 10 Oct Fly Play direct
31 Oct - 04 Nov Fly Play direct
15 Oct - 19 Oct Fly Play direct
06 Oct - 16 Oct Fly Play direct
26 Oct - 08 Nov Fly Play direct
31 Oct - 03 Nov Fly Play direct
26 Oct - 02 Nov Fly Play
26 Oct - 02 Nov Fly Play direct
18 Oct - 01 Nov Ryanair
22 Oct - 02 Nov Ryanair
25 Oct - 02 Nov easyJet
18 Oct - 01 Nov Fly Play direct
25 Oct - 02 Nov Fly Play direct

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

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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