AirHint found the following cheapest return flights from London (LHR) to Xi'an (XIY) in May 2026 (see full year).

Return flights

02 May - 10 May	China Southern
01 May - 10 May	China Southern
03 May - 15 May	China Southern
01 May - 15 May	China Southern
03 May - 31 May	China Southern
24 May - 07 Jun	Shenzhen Airlines
15 May - 31 May	Finnair
27 May - 31 May	Finnair
03 May - 26 Jun	Shenzhen Airlines
22 May - 29 May	Shenzhen Airlines
10 May - 29 May	Shenzhen Airlines
10 May - 31 May	Shenzhen Airlines
03 May - 26 Jun	Tianjin Airlines	direct

Also check the deals for one-way flights from London to Xi'an 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 Xi'an in May from 469€

Return flights