Cheap flights from San Francisco to London
Cheapflights Tip: The best prices from San Francisco to London are usually found in October or September, booked 38 days in advance, depart on a Monday or Sunday and return on a Sunday
Cheap flight deals from San Francisco to London
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2025.
Popular in | June |
|---|---|
Cheapest in | October |
Average price | ₹ 57,569 |
Good round-trip deal | ₹ 75,220 or less |
Good one-way deal | ₹ 42,990 or less |
Best time to book a flight from San Francisco to London
Have a flexible travel schedule? Discover the best time to fly to London from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to London
How far ahead should I book a flight from San Francisco to London?
Use this chart to determine the optimal time to book a return flight from San Francisco to London. Price data was last updated on 18 April 2025.
Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco 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 San Francisco to London?
Currently, October is the cheapest month in which you can book a flight from San Francisco to London (average of ₹ 692). Flying from San Francisco to London in August is currently the most expensive (average of ₹ 893). 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 SFO to LON?
Find hourly flight availability from San Francisco to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 April 2025.
It’s optimal to fly from San Francisco to London at midday. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from San Francisco to London
Explore weekly flight availability from San Francisco to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 April 2025.
The most flights from SFO to LON are scheduled on a Monday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (37 on average).
Rainfall in London by month
Plan your trip to London by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.
Temperature in London by month
Plan your trip to London by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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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Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.
Top 2 airlines flying from San Francisco to London
Discover the top 2 airlines that operate flights from San Francisco 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 454,620 searches. Data last updated 23 April 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from San Francisco to London?
Cheapflights makes it easy to find San Francisco to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to London?
Cheapflights simply makes it quick and affordable to book flights from San Francisco to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from San Francisco to London with no change fees?
Need flexible booking options for your flight to London from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from San Francisco to London become cheaper?
Not ready to book yet? You can track prices for flights from San Francisco to London on Cheapflights with our Price Alert feature and get notified when better prices are available.