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

Return flights

18 Oct - 29 Oct	HK Express
09 Oct - 18 Oct	China Southern
22 Oct - 29 Oct	LOT
31 Oct - 06 Nov	Singapore Airlines
29 Oct - 05 Nov	Qatar Airways
28 Oct - 06 Nov	Qatar Airways
24 Oct - 31 Oct	LOT
11 Oct - 21 Oct	Qatar Airways
05 Oct - 10 Oct	Qatar Airways
10 Oct - 13 Oct	LOT
01 Oct - 10 Oct	Qatar Airways
04 Oct - 11 Oct	Qatar Airways
04 Oct - 10 Oct	Qatar Airways
26 Oct - 01 Nov	Qatar Airways

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 947€

Return flights