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

Return flights

01 Aug - 31 Aug	T'way Air
26 Aug - 09 Sep	KLM
14 Aug - 22 Aug	KLM
21 Aug - 25 Aug	KLM
18 Aug - 26 Aug	Etihad Airways
19 Aug - 26 Aug	Etihad Airways
21 Aug - 27 Aug	KLM
26 Aug - 08 Sep	KLM
19 Aug - 27 Aug	KLM
25 Aug - 01 Sep	Air France
30 Aug - 06 Sep	KLM
16 Aug - 21 Aug	KLM
16 Aug - 23 Sep	KLM
04 Aug - 10 Aug	Air France
04 Aug - 12 Aug	Air France
08 Aug - 26 Sep	Air Canada

Also check the deals for one-way flights from Osaka to Lisbon 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 Lisbon in August from $1131

Return flights