Cheapest return flights from London to Keflavik in November from $142

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

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

Return flights

15 Nov - 18 Nov British Airways direct
20 Nov - 27 Nov British Airways direct
22 Nov - 29 Nov British Airways direct
03 Nov - 08 Nov British Airways direct
17 Nov - 23 Nov British Airways direct
10 Nov - 15 Nov British Airways direct
03 Nov - 10 Nov British Airways
04 Nov - 08 Nov British Airways direct
27 Nov - 30 Nov British Airways direct
28 Nov - 30 Nov British Airways direct
29 Nov - 01 Dec British Airways direct

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik