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

Return flights

05 Mar - 10 Mar	Eastar Jet
08 Mar - 15 Mar	Air Seoul, Inc
11 Mar - 17 Mar	T'way Air
03 Mar - 11 Mar	China Southern
09 Mar - 18 Mar	China Southern
10 Mar - 18 Mar	Air Seoul, Inc
01 Mar - 09 Mar	T'way Air
22 Mar - 28 Mar	China Southern
29 Mar - 09 Apr	Finnair
29 Mar - 30 Apr	Finnair
27 Mar - 09 Apr	Finnair
30 Mar - 09 Apr	Finnair
31 Mar - 09 Apr	Finnair
26 Mar - 05 Apr	Etihad Airways
19 Mar - 27 Mar	HK Express
26 Mar - 04 Apr	Etihad Airways
26 Mar - 09 Apr	Japan Airlines
26 Mar - 08 Apr	Japan Airlines
26 Mar - 07 Apr	Japan Airlines
04 Mar - 08 Mar	LOT

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

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 March from $985

Return flights