$530 Find Cheap Flights from London Heathrow Airport to San Francisco - Compare and Save

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

• Earliest: departs at 10:05 am and lands at 9:15 pm
• Latest: departs at 4:30 pm and lands at 3:40 am.

The flight takes about 11h 10m.

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

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

Prices vary by airline.

A nonstop flight from London Heathrow Airport to San Francisco takes 11h 10m, 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 London Heathrow Airport to San Francisco range from $632 to $913, with an average of $756 over the past 12 months. Anything below $632 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 14% above the $756 route average. Book 19 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $634 round-trip via Minneapolis St Paul (MSP), compared to $764 for nonstop.

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

• United Airlines: 89% on time
• Virgin Atlantic: 87% on time
• British Airways: 85% on time

Overall, flights on this route are punctual 87% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $51–$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.

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

KLM is the only airline on the London Heathrow Airport to San Francisco route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from London Heathrow Airport to San Francisco are currently lower than usual. Average one-way flight prices are about $545, which is 20% below the typical average for this route.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Europcar
• Thrifty
• Dollar
• Hertz
• Fox

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

Morning flights have the fewest delays on this route, while evening 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 London Heathrow Airport to San Francisco route, 13% of flights were delayed in the past 3 months, with delays averaging 2h 21m.

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

• Dublin (DUB) - 31% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 18% of one-stop connections
• Lisbon Humberto Delgado (LIS) - 13% of one-stop connections
• Kastrup Copenhagen (CPH) - 12% of one-stop connections

Yes. Flexible dates can save you up to 10% on flights from London Heathrow Airport to San Francisco. Thursday is the cheapest departure day at $718 round-trip on average, while Sunday is the most expensive at $796, a difference of $78.

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

• United Airlines
• British Airways
• Virgin Atlantic

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 14h 06m, compared with 14h 12m via Dublin (DUB) and 14h 22m via Amsterdam Schiphol (AMS).

San Francisco is 8 hours behind London Heathrow Airport (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Among airlines operating London Heathrow Airport to San Francisco flights:

• Lufthansa: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Virgin Atlantic: offers extra legroom; offers free seat selection
• Brussels Airlines: offers free seat selection
• KLM: offers extra legroom; 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:

• Lufthansa: a cabin bag and a checked bag in Economy Class
• British Airways: a cabin bag and a checked bag in Economy Class
• United Airlines: 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.

Heathrow Airport has at least one children’s play area in every terminal and most restaurants do children’s menus, and some promise to serve food within 15min. You can pre-order nappies and baby milk via the on-site chemist in each terminal, which reduces the need to carry more things through security.

There are three airports in the San Francisco Bay area: San Francisco International Airport (SFO), Oakland International Airport (OAK) and San Jose International Airport (SJC). SFO is the airport that has more international airline options while Oakland and San Jose have more low-cost carriers and domestic routes. Both British Airways and Virgin fly non-stop to San Francisco SFO Airport from London Heathrow.

There are two trains from central London, leaving Paddington station; the Heathrow Express takes 15min, non-stop and the Heathrow Connect takes 30min with a few stops. It is also very straightforward to catch the London Underground - the journey takes about an hour from central London.

The Bay Area Rapid Transit (BART) is easy, taking 30min, with trains leaving 3-4 times every hour. Passengers can connect to the BART from any of the terminals via the free Air Train. BART trains run from 5:00 in the week, 6:00 on Saturdays, and 8:00 on Sundays and stop at midnight every day. There are also buses that run from San Francisco SFO Airport to various parts of the state. For example, the Evans Airport shuttle serves Napa, the Marin Airporter goes into Marin County and the Sonoma County Airport Express carries passengers to Sonoma County.