Cheapest return flights from London to Los Angeles in September from 447€

Best time to book flights for London (LHR) to Los Angeles (LAX) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Los Angeles (LAX) in September 2025 (see full year).

Return flights

03 Sep - 17 Sep Austrian Airlines
25 Sep - 29 Sep Austrian Airlines
12 Sep - 19 Sep Austrian Airlines
18 Sep - 23 Sep Austrian Airlines
11 Sep - 25 Sep Austrian Airlines
12 Sep - 26 Sep Austrian Airlines
10 Sep - 28 Sep Austrian Airlines
05 Sep - 21 Sep Austrian Airlines
03 Sep - 20 Sep Austrian Airlines
18 Sep - 22 Sep Austrian Airlines
21 Sep - 05 Oct TAP
11 Sep - 01 Oct Austrian Airlines
26 Sep - 06 Oct Austrian Airlines
24 Sep - 07 Oct Austrian Airlines
26 Sep - 10 Oct TAP
27 Sep - 10 Oct TAP
27 Sep - 11 Oct TAP
20 Sep - 04 Oct TAP
19 Sep - 05 Oct TAP
29 Sep - 12 Oct TAP

Also check the deals for one-way flights from London to Los Angeles in September.

Skyscanner

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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