Cheapest return flights from London to Keflavik in January from $175

AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF) in January 2026 (see full year).

Return flights

26 Jan - 02 Feb Icelandair
17 Jan - 24 Jan British Airways direct
15 Jan - 23 Jan British Airways direct
23 Jan - 27 Jan British Airways direct
30 Jan - 03 Feb British Airways direct
01 Jan - 09 Jan British Airways direct
30 Jan - 06 Feb British Airways direct
09 Jan - 16 Jan British Airways direct
31 Jan - 07 Feb Icelandair direct
06 Jan - 14 Jan Icelandair direct
10 Jan - 12 Jan Icelandair direct
24 Jan - 28 Jan British Airways direct
23 Jan - 28 Jan British Airways direct
24 Jan - 29 Jan British Airways direct
29 Jan - 05 Feb Icelandair direct
29 Jan - 07 Feb British Airways direct
30 Jan - 02 Feb British Airways direct
25 Jan - 02 Feb British Airways direct
16 Jan - 01 Feb Icelandair direct
28 Jan - 01 Feb Icelandair direct

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

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

Feel free to contact us with any feedback or request another flight research.