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

Return flights

26 Aug - 01 Sep	Air Canada
28 Aug - 08 Sep	Air Canada
28 Aug - 05 Sep	Air Canada
15 Aug - 27 Aug	Parata Air
21 Aug - 29 Aug	Air Canada
22 Aug - 29 Aug	Singapore Airlines
21 Aug - 28 Aug	Singapore Airlines
14 Aug - 30 Aug	Singapore Airlines
28 Aug - 06 Sep	Finnair
18 Aug - 23 Aug	Finnair
28 Aug - 07 Sep	Finnair
28 Aug - 09 Sep	Finnair
16 Aug - 23 Aug	Finnair
01 Aug - 10 Aug	Finnair
15 Aug - 22 Aug	Finnair
10 Aug - 16 Aug	Japan Airlines

Also check the deals for one-way flights from Osaka 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 Osaka to Keflavik in August from $1316

Return flights