AirHint found the following cheapest return flights from London (LCY) to Rome (FCO) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep	ITA Airways
02 Sep - 09 Sep	ITA Airways
08 Sep - 15 Sep	ITA Airways
09 Sep - 16 Sep	ITA Airways
15 Sep - 22 Sep	ITA Airways
16 Sep - 23 Sep	ITA Airways
22 Sep - 29 Sep	ITA Airways
23 Sep - 30 Sep	ITA Airways
03 Sep - 15 Sep	ITA Airways
29 Sep - 06 Oct	ITA Airways
30 Sep - 07 Oct	ITA Airways
03 Sep - 10 Sep	ITA Airways
24 Sep - 01 Oct	ITA Airways
28 Sep - 05 Oct	ITA Airways
25 Sep - 02 Oct	ITA Airways
26 Sep - 03 Oct	ITA Airways
27 Sep - 04 Oct	ITA Airways
26 Sep - 04 Oct	ITA Airways
24 Sep - 05 Oct	ITA Airways

Also check the deals for one-way flights from London to Rome 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 London to Rome in September from $189

Return flights