Los Angeles → London

01Booking timeline

• Track from

  4 months out. Set alerts on your dates and a flexible variant.

• Window

  6–12 weeks before departure is where fares on this route have tended to be most reasonable. Peak dates run earlier.

• Last 3 weeks

  Fares generally rise. If you must book late, compare one-stop routings.

02Seasonal strategy

Summer, Christmas and spring break are dearest; January–February and November are cheapest.

Deep-winter fares are consistently the lowest, and London is fine in the cold.

03Flexible-date advantage

High — one of the most competitive long-haul routes, with many daily nonstops.

Weekday pattern: Tue / Wed / Saturday departures.

04Alternative airports

• Gatwick (LGW) arrivals can be cheaper; factor the longer rail ride into London.
• Compare Heathrow nonstops against one-stops on price and total time.

05Stopover options

• Dublin (DUB) with US pre-clearance on the return
• Reykjavik (KEF)
• New York (JFK) or Boston (BOS)

06Points, low-cost carriers and fees

• Points / miles

  Abundant award space in all cabins, but UK departure taxes and carrier surcharges make some premium redemptions poor value — compare cash.

• Low-cost check

  Low-cost transatlantic from the US West Coast appears and disappears; add bags and seats before comparing.

• Bag & seat fees

  Basic economy is common; add a checked bag and seat selection before comparing to standard economy.

07Arrival & jet lag

8 hours eastbound — a big shift. Sleep on the overnight flight, get morning daylight in London, and avoid a long first-day nap.

Where to stay: Bloomsbury or King's Cross for rail access, South Bank for views, Shoreditch for nightlife.

Airport transfer: Elizabeth line from Heathrow to central London in 35–50 minutes; Gatwick Express from LGW in 30.