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

Return flights

12 May - 17 Jun	Finnair
11 May - 17 Jun	Finnair
20 May - 28 May	T'way Air
10 May - 17 Jun	Japan Airlines
11 May - 18 Jun	Finnair
12 May - 22 Jun	Finnair
12 May - 18 Jun	Finnair
15 May - 22 May	Japan Airlines
22 May - 29 May	LOT
12 May - 21 Jun	Finnair
11 May - 19 Jun	Finnair
02 May - 06 May	EVA Air
01 May - 06 May	HK Express
12 May - 19 Jun	Finnair
13 May - 18 Jun	Japan Airlines
02 May - 09 May	EVA Air
01 May - 05 May	Finnair
01 May - 09 May	Finnair

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

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 May from $1196

Return flights