The cheapest round-trip from London to Los Angeles is about 442 EUR, usually in November 2026; July 2026 is priciest, so booking the low month saves around 58 EUR (~12%). Typical fare ~474 EUR, from 331 priced fares. Flightmussy live data, updated 2026-06-13.
Cheap flights from London (LHR/LGW/STN/LTN/LCY) to Los Angeles (LAX/BUR/LGB/ONT/SNA). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.
Cheapest round-trip seen: 442 EUR, usually around November 2026. Typical fare ~474 EUR. Across the year prices range roughly 442–500 EUR — about 12% cheaper in the low season than the peak (July 2026). Carriers on this route include Aer Lingus, American, British Airways, United.
Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.
The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. November 2026 is cheapest; July 2026 is priciest.
| Jun 2026 | 498 EUR | |
|---|---|---|
| Jul 2026 | 500 EUR | |
| Aug 2026 | 474 EUR | |
| Sep 2026 | 474 EUR | |
| Oct 2026 | 474 EUR | |
| Nov 2026 | 442 EUR | |
| Dec 2026 | 475 EUR | |
| Jan 2027 | 442 EUR | |
| Feb 2027 | 475 EUR | |
| Mar 2027 | 442 EUR | |
| Apr 2027 | 446 EUR | |
| May 2027 | 478 EUR |
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