San Francisco → London
Compare flights from San Francisco Intl (SFO) to London Heathrow (LHR). Run a search to see current fares from our booking partners, or set an alert and let us watch the price.
Arriving in London
Heathrow sits west of the city with Underground and express rail links to central London in 15–50 minutes depending on the service. Allow extra time for terminal transfers at Heathrow — moving between terminals is possible but not quick.
Airlines serving London include British Airways, KLM, Air France, Delta Air Lines, Emirates, United Airlines. Not every airline flies from San Francisco; search the route to see who currently does.
- Transatlantic fares into London are among the most competitive in the world, with several carriers on the same city pair.
- Fares peak around school holidays and the December period; late January and early November are typically cheapest.
- Heathrow-bound flights often price higher than the same city pair into Gatwick or Stansted.
San Francisco to London: common questions
- How do I find cheap flights from San Francisco to London?
- Search SFO to LHR on Flight Fare Tracker to compare current fares from our booking partners side by side, then book directly with the provider you choose.
- Which airports serve this route?
- This route departs from San Francisco Intl (SFO) in San Francisco, United States and arrives at London Heathrow (LHR) in London, United Kingdom.
- Is San Francisco to London a domestic or international flight?
- It is an international flight from United States to United Kingdom. Check passport validity and entry or visa requirements for United Kingdom before you book.
- Can I get notified when SFO–LHR fares drop?
- Yes. Create a free price alert with your target fare and we will email you when a matching fare appears.
Related routes
Return trip
London to San FranciscoMore flights from San Francisco
- San Francisco to Amsterdam
- San Francisco to New York
- San Francisco to Dubai
- San Francisco to Paris
- San Francisco to Rome
- San Francisco to Barcelona
- San Francisco to Los Angeles
- San Francisco to Tokyo
- San Francisco to Singapore
- San Francisco to Istanbul
- San Francisco to Frankfurt
- San Francisco to Madrid
- San Francisco to Sydney
- San Francisco to Hong Kong
- San Francisco to Toronto
- San Francisco to Mexico City
- San Francisco to São Paulo
- San Francisco to Bangkok
More flights to London
- Amsterdam to London
- New York to London
- Dubai to London
- Paris to London
- Rome to London
- Barcelona to London
- Los Angeles to London
- Tokyo to London
- Singapore to London
- Istanbul to London
- Frankfurt to London
- Madrid to London
- Sydney to London
- Hong Kong to London
- Toronto to London
- Mexico City to London
- São Paulo to London
- Bangkok to London
Keep tracking this route
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Step-by-step guide to setting a useful target fare.
Airports, airlines and best times to fly.
Browse every city pair we track.
Cheapest days to fly, layovers, carry-on only.