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

Return flights

15 Jan - 19 Jan	China Eastern
14 Jan - 19 Jan	Hainan Airlines
15 Jan - 22 Jan	Finnair
13 Jan - 18 Jan	Malaysia Airlines
18 Jan - 28 Jan	Finnair
21 Jan - 26 Jan	Finnair
21 Jan - 28 Jan	Finnair
15 Jan - 21 Jan	Finnair
14 Jan - 21 Jan	Finnair
21 Jan - 25 Jan	LOT
28 Jan - 02 Feb	Finnair
31 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 $969

Return flights