AirHint found the following cheapest return flights from Tokyo (NRT) to Keflavik (KEF) in October 2025 (see full year).

Return flights

04 Oct - 07 Oct	Shenzhen Airlines
08 Oct - 24 Oct	Zipair
27 Oct - 02 Nov	Eastar Jet
22 Oct - 27 Oct	LOT
13 Oct - 22 Oct	Finnair
13 Oct - 20 Oct	Finnair
26 Oct - 10 Nov	Singapore Airlines
06 Oct - 13 Oct	LOT
16 Oct - 23 Oct	Qatar Airways
06 Oct - 17 Oct	Finnair
13 Oct - 17 Oct	Finnair
24 Oct - 02 Nov	Qatar Airways
13 Oct - 19 Oct	Qatar Airways
31 Oct - 07 Nov	Qatar Airways
31 Oct - 04 Nov	Finnair
27 Oct - 01 Nov	Japan Airlines

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

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 October from 911€

Return flights