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

Return flights

13 Aug - 19 Aug	China Southern
14 Aug - 19 Aug	Air China
14 Aug - 18 Aug	Air China
06 Aug - 12 Aug	Peach
10 Aug - 14 Aug	China Eastern
19 Aug - 26 Aug	Etihad Airways
11 Aug - 20 Aug	Air France
04 Aug - 08 Aug	KLM
26 Aug - 06 Sep	Qatar Airways
16 Aug - 23 Sep	KLM
07 Aug - 11 Aug	Air France
01 Aug - 19 Aug	Lufthansa
24 Aug - 02 Sep	KLM
30 Aug - 27 Sep	Air France

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 852€

Return flights