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

Return flights

27 Jan - 02 Feb	Hainan Airlines
15 Jan - 22 Jan	Zipair
13 Jan - 19 Jan	Zipair
13 Jan - 20 Jan	Zipair
28 Jan - 03 Feb	Zipair
20 Jan - 24 Jan	Sichuan Airlines
23 Jan - 26 Jan	HK Express
21 Jan - 28 Jan	HK Express
14 Jan - 22 Jan	Jetstar Japan
14 Jan - 18 Jan	Air China
08 Jan - 15 Jan	Air Seoul, Inc
24 Jan - 27 Jan	HK Express
26 Jan - 06 Feb	Finnair
30 Jan - 06 Feb	Finnair
27 Jan - 07 Feb	Finnair

Also check the deals for one-way flights from Tokyo 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.

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Cheapest return flights from Tokyo to Keflavik in January from $827

Return flights