AirHint found the following cheapest return flights from Tokyo (HND) to Keflavik (KEF) in December 2025 (see full year).

Return flights

31 Dec - 11 Jan	Air China
30 Dec - 10 Jan	Air China
31 Dec - 10 Jan	Air China
06 Dec - 13 Dec	HK Express
01 Dec - 12 Dec	Japan Airlines
07 Dec - 11 Dec	ANA
07 Dec - 18 Dec	China Southern
10 Dec - 19 Dec	China Southern
17 Dec - 24 Dec	Peach
08 Dec - 17 Dec	China Eastern
07 Dec - 13 Dec	China Southern
02 Dec - 08 Dec	China Southern
08 Dec - 16 Dec	China Southern
20 Dec - 05 Jan	Air China
19 Dec - 04 Jan	Shanghai Airlines
26 Dec - 07 Jan	Peach
25 Dec - 07 Jan	Air China
31 Dec - 08 Jan	Finnair
29 Dec - 06 Jan	Finnair
23 Dec - 02 Jan	Peach

Also check the deals for one-way flights from Tokyo to Keflavik in December.

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

Cheapest return flights from Tokyo to Keflavik in December from $1150

Return flights