AirHint found the following cheapest return flights from London (LCY) to Osaka (KIX) in May 2026 (see full year).

Return flights

24 May - 14 Jun	KLM
11 May - 29 May	ITA Airways
25 May - 07 Jun	KLM
16 May - 28 Jun	KLM
14 May - 21 May	KLM
28 May - 19 Jun	KLM
21 May - 31 May	KLM
20 May - 31 May	KLM
14 May - 31 May	KLM
24 May - 10 Jun	KLM
14 May - 01 Jun	British Airways
18 May - 01 Jun	British Airways
12 May - 19 May	British Airways
13 May - 20 May	British Airways
02 May - 17 May	KLM
22 May - 31 May	KLM
11 May - 17 May	KLM
25 May - 08 Jun	KLM
31 May - 07 Jun	KLM
31 May - 08 Jun	KLM

Also check the deals for one-way flights from London to Osaka in May.

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 London to Osaka in May from 882€

Return flights