Cheap flights from San Francisco to London Heathrow Airport from £249
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 18/5. 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 San Francisco to London Heathrow are usually found in February or October, booked 19 days in advance, depart on a Thursday or Monday 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 4 May 2024.
Popular in | June |
|---|---|
Cheapest in | February |
Average price | £691 |
Round-trip from | £69 |
What is the cheapest day to fly round-trip from San Francisco to London Heathrow Airport?
Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 37% on your flight compared to booking on days when demand is much higher.
How far in advance should I book a flight from San Francisco to London Heathrow Airport?
Find a great deal and save up to 23% by booking at least 22 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Francisco to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £674.
What is the cheapest month to fly from San Francisco to London Heathrow Airport?
Our data shows that October tends to be the cheapest month to fly to London Heathrow Airport from San Francisco. Users have commonly found prices around £658 for the month, but tickets can be as low as £309. Due to multiple factors, prepare for potentially higher prices in June.
When is the cheapest time to fly from San Francisco to London Heathrow Airport (SFO - LHR)?
When flying from San Francisco to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 27% versus a flight in the morning.
Cheap TAP AIR PORTUGAL flights from San Francisco to Heathrow
Explore cheap flight options specifically provided by TAP AIR PORTUGAL for the route between San Francisco and Heathrow. 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 898,761 searches. Data last updated 4 May 2024.
Consider these cheap TAP AIR PORTUGAL flights we've found departing from San Francisco to London. Be sure to come back soon if the deals available don't appeal to you at this time.
TAP AIR PORTUGAL is one of the most popular airlines used for those travelling from San Francisco to London Heathrow Airport. San Francisco to London Heathrow Airport flights are typically 47% cheaper than other airlines traveling the same route. Flights from TAP AIR PORTUGAL typically cost £931.90 RT. The cheapest TAP AIR PORTUGAL flight found for this route was £718. San Francisco Airport is the most common San Francisco airport to take off from when flying to London Heathrow Airport. London Heathrow Airport is the most popular arrival airport in London Heathrow Airport. When flying from San Francisco to London Heathrow Airport, TAP AIR PORTUGAL flights are 10% more popular than any other airline flying that same route.
Cheap KLM flights from San Francisco to Heathrow
Explore cheap flight options specifically provided by KLM for the route between San Francisco and Heathrow. 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 898,761 searches. Data last updated 4 May 2024.
Have a look at some of the cheapest available KLM flights departing from San Francisco and landing in London. Ensure the flight price, dates, time, and airline match your criteria before you book.
One of the most popular airlines travelling from San Francisco to London Heathrow Airport is KLM. Flights on this route from KLM typically cost £873.97 RT, a price that is 54% cheaper than the average San Francisco to London Heathrow Airport flight. The cheapest flight found was £630 RT. The most popular departure airport in San Francisco when flying to London Heathrow Airport is San Francisco Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from San Francisco to London Heathrow Airport, KLM flights are 7% more popular than any other airline flying that same route.
Cheap San Francisco to Heathrow flights in May & June 2024
Find cheap flight options from San Francisco to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 898,761 searches. Prices were last updated on 4 May 2024.
The lowest fares we've come across on flights travelling from San Francisco to London in May and June 2024. Check back soon for alternative fares.
San Francisco to Heathrow 2024 flight deals
Discover exclusive flight deals for travel between San Francisco and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 898,761 searches. Data last updated 4 May 2024.
The lowest fares we've come across on flights travelling from San Francisco to London in May and June 2024. Check back soon for alternative fares.
Direct flights to Heathrow from San Francisco
Discover direct flight options from San Francisco to Heathrow. 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 898,761 searches. Data last updated 4 May 2024.
For a shorter flight, select one of these non-stop flights from San Francisco to London. If you're looking for other options for flights from San Francisco to London, make sure to update the search form at the top of page.
San Francisco to Heathrow flights leaving soon
Find last-minute flight options from San Francisco to Heathrow 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 898,761 searches. Data last updated 4 May 2024.
Users seeking a last-minute flight from San Francisco to London 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 Heathrow from San Francisco
Search for one-way flight options from San Francisco to Heathrow. 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 898,761 searches. Data last updated 4 May 2024.
Users travelling one-way from San Francisco to London can select one of these great deals. Users in need of a round-trip flight from San Francisco to London instead should update the search form at the top of page.
Find flights from San Francisco to Heathrow within your budget
Customise your flight search to find flights from San Francisco to Heathrow 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 898,761 searches. Data last updated 4 May 2024.
Fly from
Fly to
Budget
£434 - £522
Route
Depart
Return
Price
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Tue 22/10
1 stop17h 55m
London Heathrow
Tue 5/11
1 stop33h 15m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Sun 29/9
1 stop12h 25m
London Heathrow
Sun 13/10
1 stop14h 47m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Tue 24/9
1 stop14h 15m
London Heathrow
Tue 1/10
1 stop15h 25m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Tue 1/10
1 stop14h 00m
London Heathrow
Thu 31/10
1 stop15h 25m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Sun 22/9
1 stop14h 05m
London Heathrow
Tue 1/10
2 stops17h 58m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Mon 23/9
Nonstop10h 19m
London Heathrow
Thu 17/10
1 stop13h 15m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Mon 19/8
Nonstop10h 30m
London Heathrow
Thu 29/8
1 stop18h 15m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Fri 4/10
Nonstop10h 20m
London Heathrow
Wed 9/10
1 stop18h 05m
San FranciscoLondon Heathrow
SFO - LHR
SFOLHR
San Francisco
Tue 21/5
Nonstop10h 30m
London Heathrow
Wed 29/5
Nonstop11h 05m
When is the best time to book a flight from San Francisco to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from San Francisco to Heathrow. Price data was last updated on 28 January 2024.
Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
When is the cheapest time to fly from San Francisco to London Heathrow Airport?
Use this chart to determine the cheapest time to fly return from San Francisco to Heathrow. Price data was last updated on 28 April 2024.
Average price of flights to Heathrow by month
Plan your trip from San Francisco to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Heathrow is currently £275 while a return flight costs £487. Price data was last updated on 28 April 2024.
Currently, January is the cheapest month in which you can book a flight from San Francisco to London Heathrow Airport (average of £111). Flying from San Francisco to London Heathrow Airport in June is currently the most expensive (average of £171). 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
£88
February
£99
March
£95
April
£101
May
£108
June
£136
July
£135
August
£116
September
£112
October
£127
November
£92
December
£96
Temperature and rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.
LON Temperature | 4 - 17 °C |
|---|
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 4 May 2024.
To help decide which airline to fly from San Francisco to London, see what other customers have to say about TAP AIR PORTUGAL, KLM and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
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.
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Alternative routes for San Francisco to HeathrowSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from San Francisco to Heathrow
Discover the top 9 airlines that operate flights from San Francisco to Heathrow. 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 898,761 searches. Data last updated 4 May 2024.
Search flights from San Francisco to Heathrow by cabin class
Find flights from San Francisco to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from San Francisco to Heathrow
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 4 May 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 17%of flight departures | Morning6 am to noon |
| 40%of flight departures | AfternoonNoon to 6 pm |
| 42%of flight departures | Evening6 pm to midnight |
Weekly flight availability from San Francisco to Heathrow
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 4 May 2024.
| Monday | 31daily flights |
|---|---|
| Tuesday | 26daily flights |
| Wednesday | 31daily flights |
| Thursday | 26daily flights |
| Friday | 31daily flights |
| Saturday | 31daily flights |
| Sunday | 26daily 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
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers 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 helps you search for flights from San Francisco to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Heathrow?
Cheapflights simply makes it quick and affordable to book flights from San Francisco to Heathrow 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 Heathrow with no change fees?
Yes! Cheapflights helps users easily find flights from San Francisco to Heathrow with no change fees.
Can Cheapflights notify me if prices for flights from San Francisco to Heathrow become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from San Francisco today and book when prices fit your budget.