SFO to LHR: San Francisco to London

United's flagship international route from San Francisco. Daytime westbound flight arrives SFO late afternoon — useful for avoiding jet lag. United Polaris business class is among the best US carrier long-haul products.

Route Details

Origin: San Francisco International (SFO)
Destination: Heathrow (LHR)
Typical duration: 10h 5m – 10h 45m
Distance: 5,357 mi / 8,622 km
Airlines: British Airways, United Airlines, Virgin Atlantic
Aircraft: Boeing 787-9, Boeing 777-300ER

Best Seats

United 787-9: Economy Plus seats 34–54 (5 extra inches). Avoid center 4-seat block. United Polaris seats 1A–4K for fully flat business class beds.

Baggage Tips

United MileagePlus card gives first checked bag free for domestic connections. International fares generally include 1–2 checked bags. UK eTA required for US citizens.