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

Return flights

28 Oct - 01 Nov	China Southern
24 Oct - 31 Oct	China Southern
06 Oct - 22 Oct	LOT
25 Oct - 02 Nov	MIAT Mongolian Airlines
25 Oct - 31 Oct	MIAT Mongolian Airlines
10 Oct - 13 Oct	Zipair
13 Oct - 20 Oct	Finnair
05 Oct - 14 Oct	Asiana Airlines
28 Oct - 03 Nov	Qatar Airways
29 Oct - 02 Nov	Singapore Airlines
28 Oct - 02 Nov	Singapore Airlines
30 Oct - 05 Nov	Singapore Airlines
30 Oct - 06 Nov	Turkish Airlines
31 Oct - 05 Nov	Qatar Airways
31 Oct - 08 Nov	Qatar Airways
30 Oct - 04 Nov	Singapore Airlines
09 Oct - 12 Oct	Lufthansa
17 Oct - 24 Oct	Qatar Airways
05 Oct - 12 Oct	Qatar Airways
14 Oct - 19 Oct	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 $977

Return flights