AirHint found the following cheapest return flights from Osaka (KIX) to Keflavik (KEF) in August 2025 (see full year).

Return flights

27 Aug - 23 Sep	Singapore Airlines
27 Aug - 03 Sep	Singapore Airlines
13 Aug - 28 Aug	Air Canada
06 Aug - 19 Aug	Air Canada
13 Aug - 22 Aug	Finnair
16 Aug - 20 Aug	Finnair
21 Aug - 04 Sep	Finnair
06 Aug - 20 Aug	Finnair
10 Aug - 14 Aug	Air Canada
24 Aug - 01 Sep	Emirates
09 Aug - 16 Aug	Singapore Airlines
09 Aug - 15 Aug	Singapore Airlines
06 Aug - 14 Aug	Emirates
12 Aug - 16 Aug	Emirates

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Osaka to Keflavik in August from 1310€

Return flights