Cheapest return flights from Los Angeles to London in September from $535

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

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

Return flights

01 Sep - 15 Sep Austrian Airlines
21 Sep - 30 Sep TAP
23 Sep - 30 Sep TAP
30 Sep - 07 Oct TAP
04 Sep - 11 Sep American Airlines
21 Sep - 26 Sep TAP
07 Sep - 14 Sep Spirit Airlines
18 Sep - 25 Sep American Airlines
14 Sep - 14 Oct TAP
21 Sep - 28 Sep TAP
23 Sep - 28 Sep TAP
01 Sep - 10 Sep Delta
30 Sep - 07 Oct American Airlines direct
24 Sep - 06 Oct Scandinavian Airlines
27 Sep - 11 Oct Delta
26 Sep - 08 Oct Delta
25 Sep - 06 Oct Delta
29 Sep - 10 Oct Delta
21 Sep - 15 Oct Delta
19 Sep - 01 Oct Virgin Atlantic

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