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

Return flights

15 Jan - 26 Jan	easyJet
15 Jan - 29 Jan	Transavia France
17 Jan - 10 Feb	Wizz Air
19 Jan - 26 Jan	Wizz Air
15 Jan - 22 Jan	Wizz Air
09 Jan - 16 Jan	Wizz Air
17 Jan - 24 Jan	easyJet
13 Jan - 20 Jan	easyJet
12 Jan - 27 Jan	Wizz Air
15 Jan - 19 Jan	easyJet
27 Jan - 03 Feb	Japan Airlines
06 Jan - 13 Jan	Japan Airlines

Also check the deals for one-way flights from Keflavik to Tokyo 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 Keflavik to Tokyo in January from 837€

Return flights