Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

Cheap Flight Deals From San Francisco (SJC) to London (LON) Starting at $340

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This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $340 One Way, $359 Round Trip from San Francisco to London

Prices starting at $359 for return flights and $340 for one-way flights to London were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

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More About Flying To London from San Francisco

Route Information for Flights from San Francisco to London

Origin Airport IATA Code SJC
Destination Airport IATA Code LON
Distance 5354 mi
Direct Flight Airlines American Airlines, Air Canada, Austrian, Aer Lingus, Finnair, Iberia, Brussels Airlines, Air New Zealand, SWISS, Lufthansa, United Airlines, British Airways
Earliest Flight Arrival 5:40PM UTC
Latest Flight Arrival 8:45PM UTC

Find cheap deals on flights from San Fran to London and discover one of the world’s greatest cities. Book with Orbitz and you can find a huge selection of affordable flights with some of the world’s most respected airlines.

Popular Routes from San Francisco to London

Direct flights depart from San Francisco International Airport and will arrive at London Heathrow. This is the main international air hub serving the city of London. It is also possible to find connecting flights to several other airports serving London, including London Gatwick, London City, London Stansted and London Luton.

The flight to London Heathrow is the most popular international flight leaving San Francisco, with just under a million passengers each year making this journey.

The Flight from San Francisco to London

There are 42 direct flights each week from San Francisco to London. Flight times are around 10 hours and 15 minutes and cover a total distance of 5,360 miles. There is a choice of 11 airlines operating direct flights, including British Airways, the national carrier of the UK. Other major carriers include Virgin Atlantic and United Airlines.

Your departure point will be San Francisco International. The airport is located 13 miles to the south of the downtown area and is a major gateway to Europe and Asia. It is one of the ten busiest airports in the US and inside the top 25 in the world, with more than 55 million people departing and arriving each year.

The path for flights from San Fran to London heads north west over Nevada, Utah and Wyoming towards the north east of Canada. It flies over Quebec before following the curve of the earth over the North Atlantic. After several hours over the ocean it crosses the southern tip of Ireland before flying over the southern part of the UK to its destination in London.

Most airlines will provide food and beverage services on long haul flights of this duration. However, San Francisco International is also well equipped with good eating, drinking and shopping options so you can relax before you fly.

The main destination airport on this flight is Heathrow. It is the second busiest in the world by total passenger traffic with more than 80 million passengers passing through its doors each year. Heathrow lies 14 miles to the west of central London and has two runways and four passenger terminals.

It is also possible to get connecting flights to several other London airports, including London Gatwick. Connecting flights take several hours longer, with overall flight times of around 13 hours and 30 minutes, depending on connection options.

Book direct or connecting flights from San Fran to London on a choice of leading carriers with Orbitz.

Other Flight Destinations in the UK

Flights from San Francisco to Edinburgh

Flights from San Francisco to Birmingham

Flights from San Francisco to London - Frequently Asked Questions

Am I able to catch a flight from San Francisco to London now?

Our Covid-19 Travel Advisor can answer all your queries about current quarantine requirements and travel restrictions when taking a plane flight from San Francisco to London.

Are there non-stop flights from San Francisco to London?

There are 3 airlines that fly straight from SFO to Heathrow Airport (LHR), so get ready to hit that "book" button. One of these popular carriers will have your ideal flight:

  • British Airways
  • Virgin Atlantic
  • United Airlines
What is the shortest flight from San Francisco to London?

At least 11 hours and 38 minutes long, the trip from San Francisco to London is considered a long-haul flight. Try to get some shut-eye while you're in the air to help avoid jet lag.

What airlines fly from San Francisco to London most frequently?

Try British Airways (BA). This airline offers some of the most frequent flights from San Francisco Intl. Airport (SFO) to Heathrow Airport (LHR). It operates 60 services on this route every month and is a favorite among travelers. If you can't find the right flight there, take a look at the airfares with Virgin Atlantic (VS). This carrier is a fantastic alternative and offers 30 flights between San Francisco and London every month.

If I am not able to travel due to COVID-19, can I cancel my flight to London?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to London have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to London with flexible change policies?

In most cases you'll have the option to reschedule your flight to London without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2020 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is August. Perfect for those who need a weekend getaway, or just a break from it all before the weather changes. Be aware that the most expensive time to fly is the height of summer, with ticket prices peaking in the month of June.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2020 saved up to 45% on their airfares. Get mixing and matching today!

*According to flight demand on from January to December 2020. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.