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

Return flights

22 Sep - 07 Oct	Wizz Air
16 Sep - 23 Sep	easyJet
11 Sep - 18 Sep	Ryanair
13 Sep - 04 Oct	Ryanair
12 Sep - 19 Sep	Iberia
14 Sep - 22 Sep	Wizz Air
21 Sep - 08 Oct	Ryanair
23 Sep - 27 Sep	Ryanair
12 Sep - 24 Sep	Iberia
08 Sep - 24 Sep	Wizz Air
14 Sep - 29 Sep	easyJet
14 Sep - 21 Sep	easyJet
08 Sep - 13 Sep	Vueling Airlines

Also check the deals for one-way flights from Lisbon to Osaka in September.

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 Lisbon to Osaka in September from 764€

Return flights