Cheap Flights from San Francisco International (SFO) to London Heathrow (LHR)
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Flight deals from San Francisco International to London Heathrow
Looking for a cheap last-minute deal or the best round-trip flight from San Francisco International to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.Don’t miss a great deal
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Find the cheapest month to fly from San Francisco International to London Heathrow
We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to London Heathrow flights are currently cheapest in October.San Francisco International to London Heathrow: Alternative routes
Compare routes from San Francisco International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.San Francisco to London: Flight information
The things to know before you go.Cheapest flight found | $497 |
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Cheapest month to fly | February |
Average flight time | 10 hrs, 25 mins |
Most popular airline | Air New Zealand |
Average flights per week | 258 |
Finding cheap flights from San Francisco International to London Heathrow: Frequently asked questions
Top tips for finding a cheap flight from San Francisco to London
Finding cheap tickets from San Francisco to London is easy with a little flexibility. Use our Whole Month search feature to scan through the calendar for the cheapest dates. You can also set up a Price Alert for your route and let us monitor the fares for you, sending notifications when prices change. If you’d rather skip layovers, select the Direct Flights search to view non-stop options that’ll save you time.
Booking your tickets early often leads to savings, but we can also find you some last-minute deals. In general, January is the best time to schedule your trip from San Francisco to London, with the lowest average fares across the board. Keep these strategies in mind to find the best itinerary.
Handy information about San Francisco airport
San Francisco International Airport serves as the key gateway for travelers in and out of San Francisco. Terminal 1 accommodates both domestic and international flights across Concourses B and C. Terminal 2 is streamlined for domestic travel, home to a number of airlines and a centralized security checkpoint. Terminal 3 hosts international flights in Concourse E and domestic flights in Concourse F, complete with a customs facility to process international arrivals. The International Terminal is dedicated to global journeys with Boarding Area A and Boarding Area G, alongside U.S. Customs and Border Protection facilities to expedite your entry into the United States. Given its comprehensive layout and vast array of services, we recommend checking ahead with your airline for terminal information to ensure a smooth departure from San Francisco.
London airport: good to know
London serves as a true global gateway with six airports managing a spectrum of international and domestic flights. The centrally located London City Airport, notable for its single terminal, primarily focuses on domestic and European flights tailored for business travelers, while also offering a few transatlantic routes. It presents various transport options including the Docklands Light Railway, enhancing its accessibility.
Heathrow, the UK's largest airport, operates from four terminals offering comprehensive international connections. You'll find a multitude of transportation channels like the Heathrow Express and the Piccadilly Underground line that provide direct access to and from the heart of the city. Similarly, Gatwick, with two terminals, and Stansted, with one, both offer a range of flights, including low-cost options, and direct train routes into London. Luton, also facilitating primarily budget carriers from its single terminal, connects travelers to London via its nearby train station. Lastly, Southend Airport completes the set with links into the city, chiefly serving domestic and European airlines. Make sure your flight from San Francisco to London goes smoothly by planning your transportation to and from the airport well in advance.
Best time to fly from San Francisco to London
The best time to fly from San Francisco to London is during the summer months of July and August, when you'll enjoy the warmest weather London has to offer, with pleasant average temperatures between 59°F and 77°F. Despite the possibility of heatwaves pushing temperatures up to around 86°F, these months provide an ideal climate for exploring the city. Ensure to pack light clothing for the daytime, but it's also wise to bring along a light jacket for cooler evenings. With London's reputation for unpredictable rain, don't forget an umbrella to stay dry while you take in the sights.
Reasons to visit London
When planning your trip to London, check out these activities and attractions the city has to offer. Marvel at historic artifacts from around the globe at The British Museum, one of the world's oldest museums. Discover the Tower of London to see the Crown Jewels and learn about the city's rich history. Enjoy a remarkable view of the capital's skyline from the capsules of The London Eye. Don't miss the Notting Hill Carnival, a street festival celebrating Caribbean culture with music, dance, and a parade. This event is a highlight of the year and a true spectacle to witness.
Add hotel bookings and car hire to your San Francisco to London flight
Planning your trip to London is easy and convenient with Skyscanner. Choose from reputable car rental brands, including Green Motion, Europcar, and Hertz, to explore the city at your own pace. For your stay, consider the Park Plaza Westminster Bridge London for proximity to major landmarks, or opt for the Sofitel London Heathrow for a luxury experience near the airport. For budget-friendly options, Premier Inn London Heathrow Airport T2 & T3 – Bath Road offers comfort minutes away from your flight.
Plan the rest of your trip from San Francisco to London
Prices shown on this page are estimated lowest prices only. Found in the last 45 days.