Cheap flights from California to London
Find flight deals from California to London
Keep the following information in mind while searching for California to London flight deals. Data was last updated 7 October 2026.
Cheapflights Insights
Everything you need to know about your flight from California to London
How far ahead should I book a flight from California to London?
Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from California to London?
Currently, February is the cheapest month in which you can book a flight from California to London (average of £509). Flying from California to London in June is currently the most expensive (average of £986). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CA to LON?
It’s typically best to fly out from California to London in the morning. Doing so could potentially save you 23% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from California to London?
Travellers seeking maximum savings on their California to London flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from California to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for California to London
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Complete your trip
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Direct flights to England
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Search flights from California to London by cabin class
Find flights from California to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.
California and London flights
Browse other California and London flight options. Last updated on 7 October 2026.
Popular flight searches
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California to London flights
Consider these flights travelling from California to London.
Top 10 airlines flying from California to London
Discover the top 10 airlines that operate flights from California to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 7 October 2026.
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How does Cheapflights help users find flights from California to London?
Deals for California to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from California to London?
Cheapflights helps you find that perfect flight to London from California by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from California to London with no change fees?
Yes, we can. To see specific flights from California to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from California to London become cheaper?
Yes, Cheapflights offers price alerts on California to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.