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

Return flights

26 Aug - 13 Sep	Air Canada
19 Aug - 09 Sep	Finnair
24 Aug - 09 Sep	Finnair
17 Aug - 25 Aug	Finnair
12 Aug - 26 Aug	Finnair
12 Aug - 09 Sep	Finnair
24 Aug - 13 Sep	Finnair
05 Aug - 13 Sep	British Airways
12 Aug - 13 Sep	British Airways
05 Aug - 26 Aug	British Airways
24 Aug - 11 Sep	Finnair
15 Aug - 29 Aug	Air Canada
12 Aug - 17 Aug	Scandinavian Airlines
03 Aug - 17 Aug	Air Canada
07 Aug - 14 Aug	Scandinavian Airlines
08 Aug - 15 Aug	Singapore Airlines
08 Aug - 14 Aug	Lufthansa
07 Aug - 16 Aug	Finnair

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

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 August from $1264

Return flights