Find cheap flights from San Francisco to London Heathrow Airport from $220

You can always choose to go from downtown San Francisco to San Francisco International Airport (SFO) via public transportation, such as bus lines 91 and 397, which will bring you to the travel hub in just under 1 hour. An easy way to head to the airport is by driving, a trip that will generally take you around 15 to 20 minutes in total, depending on what traffic is like at the time.

While London Heathrow Airport (LHR) primarily serves the city of London, it is also the main arrival airport for other towns in the region. For example, if you are going to the towns of Hounslow, Hayes, or Staines-upon-Thames, you will first need to fly into LHR before then going to your final destination.

San Francisco International Airport (SFO) is equipped with elevators and ramps in order to make it accessible for travelers in wheelchairs. If you or someone that you are traveling with will need additional assistance, airport employees are also available to help you, including with navigating the airport and going through security.

If you are hungry once you have landed at London Heathrow Airport (LHR), you can choose from a variety of dining options. For example, Carluccio’s, Costa, and Giraffe are all restaurant options that you will find in the Departure terminals.

If you have an early flight out of San Francisco International Airport (SFO), you may want to book a nearby hotel room for the night before. The Grand Hyatt at SFO is located on airport property and can be directly accessed by taking the AirTrain.

There are outdoor animal relief areas near Terminals 1 and 3 of San Francisco International Airport (SFO), as well as indoor animal relief areas in each terminal. You can easily find these zones by following the painted pawprints that are on the ground. 

It is possible to fly directly into London from San Francisco. American Airlines and British Airways offer direct London flight deals, making the two airlines highly sought after by business travelers. However, you’ll have to add a few dollars for a ticket. Other airlines, such as Lufthansa, Aer Lingus, KLM, and Finnair have one-stop flights with one or multiple layovers in Frankfurt, Munich, Dublin, Amsterdam, and Helsinki.

If you prefer driving to your hotel or the city center from Heathrow Airport, you can rent a car from the car rental agencies located at every terminal's arrival concourses. You can rent a vehicle from some renowned companies, such as National, Avis, Europcar, Alamo, Enterprise Rent-A-Car, and Budget.

You can access London city from Heathrow Airport by bus. The National Express buses depart the Heathrow Central Station, nestled between Terminals 2 and 3, every 15min. The journey takes about 50min. You can also take the Heathrow Express Trains that connect to Paddington Station in London. Fares cost around £15.87 ($22) - £18.04 ($25). Otherwise, take the typical black taxis, Minicabit, or cabs, which might charge about £2.89 ($4) - £5.05 ($7). You can also book a Heathrow Shuttle Transfer to your hotel or city center, although these have several stops.

There are about seven lounges at San Francisco Airport (SFO) where you can relax and enjoy VIP services before your Heathrow (LHR) flight. They include the Air France-KLM Lounge (International Terminal A), American Airlines Admirals Club (Terminal 1), The Centurion Lounge (Terminal 3), Delta Sky Club (Terminal 2), Japan Airlines Sakura Lounge (Terminal A, immediately next to Gate A1), and others.

The duration of a nonstop flight to London Heathrow Airport from San Francisco is typically 10h 10m. The journey crosses a distance of 5,350 miles.

There are usually 113 direct flights each day leaving San Francisco in the direction of London Heathrow Airport, for a total of 792 flights weekly.

The cheapest return flight ticket from San Francisco to London Heathrow Airport found by KAYAK users in the last 72 hours was for $514 on TAP AIR PORTUGAL, followed by Scandinavian Airlines ($526). One-way flight deals have also been found from as low as $220 on TAP AIR PORTUGAL and from $284 on WestJet.

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The airlines most regularly connecting San Francisco to London Heathrow Airport are Air New Zealand (10 flights per day), American Airlines (7 flights per day), and Finnair (7 flights per day). However, there are also other airlines serving flights from SFO to London Heathrow Airport.

Your flight ticket price will generally be cheaper if you fly to London Heathrow Airport on a Monday and more expensive on a Friday. On your return trip to San Francisco, you should consider flying back on a Saturday, and avoid Thursdays for better deals.

San Francisco and London Heathrow Airport are both served by 1 main airport. You will leave San Francisco from SFO and will be arriving at LHR.

The earliest flight leaves San Francisco at 12:30 pm and lands in London Heathrow Airport at 6:55 am.

The last flight leaves San Francisco at 11:55 pm and lands in London Heathrow Airport at 5:05 pm.

All the following airlines operate direct flights between San Francisco and London Heathrow Airport: American Airlines, Air Canada, Air France, Aeromexico, Finnair, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, SWISS, Air New Zealand, Austrian Airlines, Brussels Airlines, Singapore Airlines, United Airlines, and Virgin Atlantic.

Only SWISS offers inflight Wi-Fi service on the San Francisco to London Heathrow Airport flight route.

The Boeing 777 is the aircraft model that flies most regularly on the San Francisco to London Heathrow Airport flight route.

oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between San Francisco and London Heathrow Airport, with Star Alliance being the most commonly used for this route.

There are nonstop flights from San Francisco to London Heathrow Airport on a daily basis.

The two airlines most popular with KAYAK users for flights from San Francisco to London are Virgin Atlantic and Delta. With an average price for the route of $886 and an overall rating of 8.0, Virgin Atlantic is the most popular choice. Delta is also a great choice for the route, with an average price of $892 and an overall rating of 7.9.

Air New Zealand, United Airlines and Air Canada have all waived their change and cancellation fees on flights from San Francisco to London Heathrow. Confirm policies on booking site.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to London Heathrow Airport.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and LHR can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.