The cheapest London Gatwick to Los Angeles return flight on the radar right now is £385, flying with TAP Air Portugal via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LGW–LAX search on Skyscanner. The price we usually record on this route is £403. Across 102 recorded checks it has ranged between £373 and £800. Our sampling points to November 2026 as the cheapest month to fly London Gatwick to Los Angeles.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from London Gatwick? We track 62 other departure cities for Los Angeles, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since London Gatwick to Los Angeles is often still worth booking within a day or two of the fare we found.