Cheapest return flights from Los Angeles to London in September from $588

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

28 Sep - 09 Oct TAP
28 Sep - 09 Oct Iberia direct
24 Sep - 10 Oct Aer Lingus
24 Sep - 10 Oct Iberia direct
28 Sep - 08 Oct Iberia direct
21 Sep - 28 Sep TAP
16 Sep - 26 Sep TAP
24 Sep - 01 Oct Delta
28 Sep - 04 Oct TAP
22 Sep - 06 Oct Aer Lingus
30 Sep - 06 Oct TAP
19 Sep - 23 Sep Aer Lingus
19 Sep - 03 Oct Aer Lingus
21 Sep - 28 Sep Iberia direct
19 Sep - 23 Sep Iberia direct
07 Sep - 19 Sep TAP
10 Sep - 30 Sep Aer Lingus
01 Sep - 10 Sep Aer Lingus
22 Sep - 29 Sep Delta
16 Sep - 28 Sep TAP

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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