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Cheap Flights from San Francisco to London, United Kingdom (SFO to LON)

Travel from the innovation hub of San Francisco to the historic capital of London, United Kingdom, with affordable flight deals from CyoTrip. Whether you're planning a business trip, family vacation, honeymoon, study abroad program, or an unforgettable European holiday, CyoTrip helps you compare fares from leading airlines and book the best San Francisco to London flights at competitive prices.

The San Francisco to London route is one of the busiest transatlantic travel corridors, offering multiple daily nonstop and connecting flights. With flexible schedules, world-class airlines, and competitive fares, travelers can easily find the perfect flight for their journey.

Book Affordable Flights from San Francisco to London

Planning your trip to London? CyoTrip makes booking flights from San Francisco International Airport (SFO) to London Heathrow Airport (LHR), London Gatwick Airport (LGW), and London City Airport (LCY) (via connecting flights) simple, secure, and affordable.

Compare airline schedules, ticket prices, baggage allowances, and departure times to find the ideal itinerary. Whether you're booking well in advance or searching for last-minute international flight deals, CyoTrip helps you save on your next trip.

Route Information

 Airlines Flying from San Francisco to London

Several leading airlines operate direct and connecting flights between San Francisco and London.

• British Airways
• United Airlines
• Virgin Atlantic
• American Airlines
• Delta Air Lines
• Lufthansa (Connecting)
• Air France (Connecting)
• KLM Royal Dutch Airlines (Connecting)
• Aer Lingus (Connecting)

Travelers can choose from Economy, Premium Economy, Premium Plus, Business Class, and First Class cabins depending on airline availability.

Best Time to Visit London

Spring (March–May)

• Mild temperatures
• Beautiful parks and gardens
• Perfect sightseeing weather

Summer (June–August)

• Festivals and outdoor events
• Long daylight hours
• Peak tourist season

Autumn (September–November)

• Comfortable weather
• Colorful parks
• Fewer crowds

Winter (December–February)

• Christmas markets
• Holiday celebrations
• Seasonal shopping

Top Attractions in London

Explore London's world-famous attractions after your arrival.

• Buckingham Palace
• Big Ben
• Tower Bridge
• The London Eye
• Tower of London
• Westminster Abbey
• British Museum
• Hyde Park
• Trafalgar Square
• St. Paul's Cathedral

Things to Do in London

• Watch the Changing of the Guard
• Cruise on the River Thames
• Visit West End theatres
• Shop on Oxford Street
• Enjoy traditional British afternoon tea
• Explore Covent Garden
• Discover world-class museums
• Visit historic royal landmarks

Travel Tips for San Francisco to London Flights

• Book flights 6–10 weeks before departure to secure better fares.
• Overnight flights help reduce jet lag and maximize your time in London.
• Ensure your passport is valid before traveling internationally.
• Review baggage allowances and entry requirements before departure.
• Arrive at San Francisco International Airport at least three hours before your flight.
• Complete online check-in for a smoother airport experience.
• Plan airport transportation from Heathrow or Gatwick to Central London in advance.

Airport Information

Departure Airport

San Francisco International Airport (SFO)

San Francisco International Airport is one of the busiest international airports on the U.S. West Coast, offering premium lounges, shopping, dining, and extensive global flight connections.

Arrival Airports

London Heathrow Airport (LHR)

Heathrow is the United Kingdom's largest airport and provides fast rail, Underground, and road connections to Central London.

London Gatwick Airport (LGW)

Gatwick offers excellent international services with direct rail links into Central London.

London City Airport (LCY)

London City Airport is conveniently located near London's financial district and serves select international connecting services.

Why Visit London?

London is one of the world's most iconic destinations, offering royal palaces, historic landmarks, renowned museums, luxury shopping, diverse cuisine, and world-famous theatre. Whether you're visiting for business, sightseeing, or a family holiday, London delivers unforgettable experiences throughout the year.

Frequently Asked Questions

How long is the flight from San Francisco to London?

Most nonstop flights take approximately 10 hours 20 minutes to 11 hours.

Which airlines offer direct flights?

British Airways, United Airlines, and Virgin Atlantic operate nonstop flights between San Francisco and London. Additional one-stop services are available with several international airlines.

When is the cheapest time to book?

Booking 6–10 weeks before departure generally helps travelers find lower international airfare, although prices vary depending on season, holidays, and demand.

Which airport is best for arriving in London?

London Heathrow Airport (LHR) is the preferred arrival airport because of its extensive international flight network and convenient transportation to Central London. London Gatwick Airport (LGW) is another popular option.

Book Your San Francisco to London Flight Today

Whether you're planning a business trip, honeymoon, family vacation, or European adventure, CyoTrip makes booking San Francisco to London flights easy, secure, and affordable. Compare fares from leading airlines, choose your preferred schedule, and enjoy a comfortable transatlantic journey.