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

Return flights

18 Jan - 26 Jan	Air Japan
18 Jan - 27 Jan	Shenzhen Airlines
18 Jan - 03 Feb	Zipair
17 Jan - 24 Jan	Shenzhen Airlines
21 Jan - 29 Jan	LOT
28 Jan - 03 Feb	Eastar Jet
26 Jan - 01 Feb	Zipair
11 Jan - 18 Jan	Spring Airlines Japan
21 Jan - 28 Jan	Finnair
28 Jan - 04 Feb	Finnair
20 Jan - 28 Jan	Finnair
19 Jan - 28 Jan	Finnair
22 Jan - 28 Jan	Finnair
14 Jan - 18 Jan	LOT
22 Jan - 01 Feb	Emirates

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 $758

Return flights