AirHint found the following cheapest one-way flights from London (LCY) to Milan (LIN) in September 2025 (see full year).

One-Way flights

20 Sep	British Airways	direct
13 Sep	British Airways	direct
25 Sep	British Airways	direct
10 Sep	British Airways	direct
18 Sep	British Airways	direct
23 Sep	ITA Airways
24 Sep	British Airways	direct
23 Sep	British Airways	direct
16 Sep	British Airways	direct
30 Sep	British Airways	direct

Also check the deals for return flights from London to Milan 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 Milan in September from $105

One-Way flights