Cheap flights from London Heathrow Airport to San Francisco from £272
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
The best prices from London Heathrow to San Francisco are usually found in February or January, booked 68 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap flight deals from Heathrow to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Francisco (SFO). 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 24 April 2024.
Popular in | July |
|---|---|
Cheapest in | February |
Round-trip from | £427 |
One-way from | £272 |
What is the cheapest day to fly round-trip from London Heathrow Airport to San Francisco?
Flights from London Heathrow Airport to San Francisco are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.
How far in advance should I book a flight from London Heathrow Airport to San Francisco?
Travelers have found it’s best to book a flight 43 days in advance to save up to 23% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to San Francisco 1-2 weeks in advance for as low as £510, or £591 for flights within the next 24 hours.
What is the cheapest month to fly from London Heathrow Airport to San Francisco?
February is one of the best times of the year to fly to San Francisco from London Heathrow Airport. Prices for February average £490 per person but you can even find prices for as low as £311. The most expensive prices can be found in the month of July. Opting for a February flight can save you 36% on your journey compared to booking in July
When is the cheapest time to fly from London Heathrow Airport to San Francisco (LHR - SFO)?
It’s typically best to fly out from London Heathrow Airport to San Francisco at midday. Doing so could potentially save you 10% on the flight price compared to flying in the afternoon, which is usually more expensive.
Cheap Finnair flights from Heathrow to San Francisco
Explore cheap flight options specifically provided by Finnair for the route between Heathrow and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Find some of the cheapest Finnair flights travelling from London to San Francisco. Deals update often to give you more flight options matching your criteria
If you’re travelling from London Heathrow Airport to San Francisco, one of the more common airlines travelling that route is Finnair. Flights from Finnair travelling this route typically cost £708.64 RT. This price is typically 66% more expensive than other airlines that offer London Heathrow Airport to San Francisco flights. When booking this route, the cheapest RT price found was £477. London Heathrow Airport is the most common London Heathrow Airport airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from London Heathrow Airport to San Francisco, Finnair flights are 5% more popular than any other airline flying that same route.
Cheap American Airlines flights from Heathrow to San Francisco
Explore cheap flight options specifically provided by American Airlines for the route between Heathrow and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Some of the best deals we've found on American Airlines flights travelling from London to San Francisco. Deals are refreshing constantly so come back soon for more options.
One of the most popular airlines travelling from London Heathrow Airport to San Francisco is American Airlines. Flights from American Airlines travelling this route typically cost £748.12 RT. This price is typically 68% cheaper than other airlines that offer London Heathrow Airport to San Francisco flights. When booking this route, the cheapest RT price found was £536. The most popular departure airport in London Heathrow Airport when flying to San Francisco is London Heathrow Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from London Heathrow Airport to San Francisco, American Airlines flights are 3% more popular than any other airline flying that same route.
Cheap Heathrow to San Francisco flights in April & May 2024
Find cheap flight options from Heathrow to San Francisco specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 928,330 searches. Prices were last updated on 24 April 2024.
Listed are some of the best fares we've found on flights departing from London to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Heathrow to San Francisco 2024 flight deals
Discover exclusive flight deals for travel between Heathrow and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Listed are some of the best fares we've found on flights departing from London to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Direct flights to San Francisco from Heathrow
Discover direct flight options from Heathrow to San Francisco. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Consider booking one of these non-stop flights heading from London to San Francisco. Those looking to potentially save on 1 or 2-stop flights from London to San Francisco should utilise the search form at the top of the page.
Heathrow to San Francisco flights leaving soon
Find last-minute flight options from Heathrow to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Users seeking a last-minute flight from London to San Francisco should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
One-way flights to San Francisco from Heathrow
Search for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Take a look at some of the best available options we've come across on one-way flights from London to San Francisco. Users can also find round-trip London to San Francisco flights by using the search form above.
Find flights from Heathrow to San Francisco within your budget
Customise your flight search to find flights from Heathrow to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 24 April 2024.
Fly from
Fly to
Budget
£391 - £478
Route
Depart
Return
Price
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 15/10
1 stop26h 45m
San Francisco
Tue 22/10
1 stop19h 00m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 14/5
1 stop27h 20m
San Francisco
Tue 21/5
1 stop14h 20m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Sat 11/5
1 stop16h 10m
San Francisco
Mon 20/5
Nonstop10h 30m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 10/5
1 stop18h 00m
San Francisco
Fri 17/5
1 stop27h 30m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 17/6
Nonstop11h 00m
San Francisco
Tue 2/7
Nonstop10h 25m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 10/9
Nonstop11h 00m
San Francisco
Mon 16/9
Nonstop10h 19m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Tue 10/9
1 stop13h 15m
San Francisco
Mon 16/9
Nonstop10h 20m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 20/9
Nonstop11h 05m
San Francisco
Sun 29/9
Nonstop10h 30m
London HeathrowSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Mon 13/5
1 stop21h 47m
San Francisco
Wed 22/5
1 stop14h 15m
When is the best time to book a flight from London Heathrow Airport to San Francisco?
Use this chart to determine the optimal time to book a return flight from Heathrow to San Francisco. Price data was last updated on 28 January 2024.
The price you pay for your flight from London Heathrow Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
When is the cheapest time to fly from London Heathrow Airport to San Francisco?
Use this chart to determine the cheapest time to fly return from Heathrow to San Francisco. Price data was last updated on 21 April 2024.
Average price of flights to San Francisco by month
Plan your trip from Heathrow to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to San Francisco is currently £303 while a return flight costs £449. Price data was last updated on 21 April 2024.
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of £529). Flying from London Heathrow Airport to San Francisco in July is currently the most expensive (average of £748). 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.
January
£436
February
£427
March
£456
April
£459
May
£471
June
£566
July
£603
August
£532
September
£478
October
£487
November
£443
December
£462
Temperature and rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.
SFO Temperature | 11 - 17 °C |
|---|
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 24 April 2024.
Peruse reviews from past customers who have flown with Finnair, American Airlines and British Airways from London to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to San Francisco. 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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Fly from Heathrow to San Francisco on these airlinesChoose from the following airlines for your flight from Heathrow to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 24 April 2024.
Choose from the following airlines for your flight from Heathrow to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 24 April 2024.
Top 10 airlines flying from Heathrow to San Francisco
Discover the top 10 airlines that operate flights from Heathrow to San Francisco. 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 928,330 searches. Data last updated 24 April 2024.
Search flights from Heathrow to San Francisco by cabin class
Find flights from Heathrow to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Heathrow to San Francisco
Find hourly flight availability from Heathrow to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 April 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 59%of flight departures | Morning6 am to noon |
| 40%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Weekly flight availability from Heathrow to San Francisco
Explore weekly flight availability from Heathrow to San Francisco. 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 24 April 2024.
| Monday | 31daily flights |
|---|---|
| Tuesday | 31daily flights |
| Wednesday | 31daily flights |
| Thursday | 31daily flights |
| Friday | 31daily flights |
| Saturday | 31daily flights |
| Sunday | 31daily flights |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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How does Cheapflights help users find flights from Heathrow to San Francisco?
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Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Francisco?
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 San Francisco from Heathrow.
Can Cheapflights find flights from Heathrow to San Francisco with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to San Francisco with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to San Francisco become cheaper?
Of course! You can now track prices for flights from Heathrow to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.