AirHint found the following cheapest one-way flights from London (LON) to Xi'an (XIY) in September 2025 (see full year).

One-Way flights

30 Sep	Wizz Air UK
24 Sep	Wizz Air UK
19 Sep	China Southern
29 Sep	AJet
28 Sep	Ryanair
26 Sep	Ryanair
21 Sep	Pegasus Airlines
21 Sep	Tianjin Airlines	direct
28 Sep	Tianjin Airlines	direct
19 Sep	Tianjin Airlines	direct

Also check the deals for return flights from London to Xi'an 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 one-way flights from London to Xi'an in September from 273€

One-Way flights