Cheap flights from San Francisco to London Heathrow Airport
SFO — LHR
23 Dec — 30 Dec1
Round-trip
1 adult
Economy
The best prices from San Francisco to London Heathrow are usually found in October or September, booked 29 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from San Francisco to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Heathrow (LHR). 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 18 December 2024.
Travel insights for flights from San Francisco to Heathrow
Get recent, data-driven insights about flights from San Francisco to Heathrow including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from San Francisco to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Heathrow. Price data was last updated on 13 December 2024.
The price you pay for your flight from San Francisco to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from San Francisco to London Heathrow Airport (average of C$ 560). Flying from San Francisco to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 LHR?
Find hourly flight availability from San Francisco to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.
A simple way to save on the total cost of your ticket is to fly from San Francisco to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from San Francisco to London Heathrow Airport
Explore weekly flight availability from San Francisco to Heathrow. 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 18 December 2024.
The most flights from SFO to LHR are scheduled on a Monday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from San Francisco to London Heathrow?
San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to London Heathrow. You should not have trouble finding flights to London Heathrow from San Francisco; the airport handles an average of 33 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Francisco airport to London Heathrow. It is only a 19.0 km journey to San Francisco (SFO) from San Francisco’s city centre.
What are the most reliable airlines from San Francisco to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to London Heathrow Airport on time: Iberia (82%), KLM (81%), American Airlines (80%).
Can I find deals for flights from San Francisco to Heathrow that include hotel bookings?
Yes. In addition to deals on San Francisco to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Heathrow.
Can I find deals for business class flights from San Francisco to Heathrow?
Yes. Cheapflights offers flight deals from San Francisco to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from San Francisco to London Heathrow Airport (average of C$ 560). Flying from San Francisco to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2024.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2024.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Francisco to Heathrow?
Cheapflights makes it easy to find San Francisco to Heathrow 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 Heathrow?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from San Francisco.
Can Cheapflights find flights from San Francisco to Heathrow with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Heathrow, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from San Francisco to Heathrow become cheaper?
Yes, Cheapflights offers price alerts on San Francisco to Heathrow 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.
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