£364 Find Cheap Flights from London Heathrow Airport to San Francisco – Compare and Save

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.

Single-stopover flights are some of the top choices for flights between these destinations. Aer Lingus offers one of the best flights, with a single stopover at Dublin Airport (DUB) en route. Iberia has flights with one stopover at Dallas/Fort Worth, while KLM has single-stopover flights going via Amsterdam Schiphol (AMS).

KLM is a popular provider of these flights and offers various routes. The most popular route is a direct flight between these airports. There are also numerous single-stopover flights with stops at airports like Paris Charles de Gaulle (CDG), Los Angeles (LAX), and Seattle/Tacoma International (SEA).

Standard tickets for flights with Iberia allow for one carry-on bag and don't include checked baggage. If you want checked baggage, you'll have to pay for it during the booking process, which will be cheaper than paying in person at the airport.

Several airlines operate along these routes that offer flights that are better for the environment with reduced emissions. KLM stopover flights via CDG are some of the best flights, with a 42% reduction in Co2 emissions. United Airlines flights via Montreal Airport (YUL) come with 34% fewer emissions.

In the last 5 days, the lowest price for a flight from London Heathrow Airport to San Francisco was £364 for a one-way ticket and £405 for a return.

Only KLM offers inflight Wi-Fi service on the London Heathrow Airport to San Francisco flight route.

The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the London Heathrow Airport to San Francisco flight route.

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and San Francisco, with oneworld being the most commonly used for this route.

There are direct flights from London Heathrow Airport to San Francisco on a daily basis.

The two airlines most popular with KAYAK users for flights from London to San Francisco are KLM and Austrian Airlines. With an average price for the route of £647 and an overall rating of 7.8, KLM is the most popular choice. Austrian Airlines is also a great choice for the route, with an average price of £503 and an overall rating of 7.6.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to San Francisco.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to London Heathrow Airport with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.