$359 Find Cheap Flights from San Francisco to London Heathrow Airport - Compare and Save

These are the earliest and latest flight times available from San Francisco to London Heathrow Airport:

• Earliest: departs at 12:50 pm and lands at 11:19 pm
• Latest: departs at 9:35 pm and lands at 8:04 am.

The flight takes about 10h 29m.

Four cabin classes are available on flights from San Francisco to London Heathrow Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from San Francisco to London Heathrow Airport takes 10h 29m, covering 5,350 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from San Francisco to London Heathrow Airport range from $728 to $1,180, with an average of $923 over the past 12 months. Anything below $728 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 7% above the $923 route average. Book 15 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $495 round-trip via San Diego (SAN), compared to $948 for nonstop.

British Airways is slightly above the route average for timely arrivals, while Virgin Atlantic has a lower on-time arrival rate. On-time arrival rates on San Francisco to London Heathrow Airport flights are:

• British Airways: 92% on time
• Virgin Atlantic: 88% on time
• United Airlines: 87% on time

Overall, flights on this route are punctual 89% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 787-9 Dreamliner family is used most often on this route, operated mainly by Lufthansa and Brussels Airlines. Other aircraft seen on the route include Airbus A380-800 variants.

Afternoon is the busiest departure period on San Francisco to London Heathrow Airport flights, with 60% of flights leaving in that window. Evening departures account for 40%, morning flights for 0%, and night flights for 0%.

One-way fares from San Francisco to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $382, which is 26% below the typical average for this route.

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates averaging $39 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Flights from San Francisco to London Heathrow Airport usually depart from San Francisco (SFO) and arrive at London Heathrow (LHR).

Evening flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Francisco to London Heathrow Airport route, 11% of flights were delayed in the past 3 months, with delays averaging 2h 29m.

One-stop flights from San Francisco to London Heathrow Airport most commonly connect through:

• Kastrup Copenhagen (CPH) - 28% of one-stop connections
• Dublin (DUB) - 25% of one-stop connections
• Lisbon Humberto Delgado (LIS) - 17% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 8% of one-stop connections

Yes. Flexible dates can save you up to 9% on flights from San Francisco to London Heathrow Airport. Wednesday is the cheapest departure day at $893 round-trip on average, while Saturday is the most expensive at $980, a difference of $87.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between San Francisco and London Heathrow Airport. The airlines offering nonstop flights on this route include:

• United Airlines
• British Airways
• Virgin Atlantic

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 13h 34m, compared with 14h 03m via Dublin (DUB) and 14h 04m via Frankfurt am Main (FRA).

London Heathrow Airport is 7 hours ahead of San Francisco (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

Among airlines operating San Francisco to London Heathrow Airport flights:

• British Airways: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Virgin Atlantic: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Virgin Atlantic: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

While London Heathrow Airport (LHR) primarily serves the city of London, it offers direct local-bus connections to Hounslow, Hayes and Staines-upon-Thames.

Car rental agencies are located in the arrival concourses of every terminal at Heathrow Airport (LHR). Vehicles can be rented from several companies there.

Travelers can take public transportation from downtown San Francisco to SFO, including SamTrans Route 292, which stops directly at the airport terminals. Limited late-night service is also available on Route 397. Driving is another option and generally takes about 30 minutes, depending on traffic.

Yes, SFO has elevators and ramps to support travelers using wheelchairs. Airlines can also arrange wheelchair service and additional assistance, including help navigating the airport and going through security.

SFO has outdoor animal relief areas near Terminals 1 and 3, along with indoor animal relief areas in each terminal. Painted pawprints on the Arrivals Level curbside lead to the fenced outdoor zones.

SFO has 18 lounges for travelers flying to LHR. They include the Air France-KLM Lounge in International Terminal A and the American Airlines Admirals Club in Terminal 1. Other lounges include The Centurion Lounge in Terminal 2 on Level 2 post-security and Delta Sky Club in Terminal 1 near Gate C3. Another is the Air France-KLM Lounge in Dianne Feinstein International Terminal A near Gate A1 on Level 3 post-security.