How much is plane ticket from California to London?

The price of a plane ticket from California to London can vary significantly depending on a number of factors, including the specific departure city in California, the airport in London, the time of year you are traveling, and the airline you choose. In general, the average cost of a round-trip ticket from California to London ranges from $600 to $1,200 during off-peak seasons (January-March, September-November). During peak seasons (April-August, December), prices can be higher, around $800 to $1,500. To get the best deals, it is recommended to book your flights well in advance, especially if traveling during peak periods. Additionally, budget airlines such as Norwegian Air and WOW Air sometimes offer lower fares.