AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF)
in January 2026 (see full year ).
Return flights
13 Jan
- 16 Jan
British Airways
$ 142
direct
25 Jan
- 30 Jan
British Airways
$ 147
direct
10 Jan
- 16 Jan
British Airways
$ 150
direct
07 Jan
- 13 Jan
British Airways
$ 150
direct
14 Jan
- 18 Jan
British Airways
$ 150
direct
18 Jan
- 21 Jan
British Airways
$ 150
direct
26 Jan
- 29 Jan
British Airways
$ 150
direct
05 Jan
- 09 Jan
British Airways
$ 150
direct
20 Jan
- 01 Feb
British Airways
$ 151
direct
19 Jan
- 21 Jan
British Airways
$ 153
direct
03 Jan
- 09 Jan
British Airways
$ 153
direct
23 Jan
- 07 Feb
British Airways
$ 158
direct
29 Jan
- 03 Feb
Icelandair
$ 179
direct
15 Jan
- 03 Feb
Scandinavian Airlines
$ 232
Also check the deals for one-way flights from London to Keflavik in January .
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.