Question 1

How much does a flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) cost?

Accepted Answer

One-way flights typically cost between £876 and £6,812 and return flights often range between £876 and £6,812. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.

Question 2

Which airlines fly direct from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

Enter LHR to SFO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Question 3

How do I find cheap flights from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

To find a cheap flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

Question 4

What is the best airline to fly with from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

The best airline to fly with from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) will differ from traveller to traveller. If you like to fly early, VS offers early morning flights. If price is the most important factor, VS typically offers the lowest fares. BA offers the most daily flights from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

Question 5

What is the best time to fly from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

Question 6

How many flights per day from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

There are approximately 7 nonstop flights per day from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.). For even more choice, look at flights that include layovers, as there are around 178 connecting flights per day. Some common connection points include Unknown (DUB), John F. Kennedy Intl. (JFK), and Frankfurt Intl. (FRA).

Question 7

What is the earliest flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

The earliest flight from London Heathrow (LHR) to San Francisco, CA (SFO) typically departs at approximately 6:00 AM local time. This service is offered by BT and AC, and it is a seasonal service active in April. An early departure like this can help you maximise your time in San Francisco. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

Question 8

What day of the week has the most flights from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

You'll typically find the most flights from London Heathrow (LHR) to San Francisco, CA (SFO) on a Wednesday, with around 134 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include British Airways, United Airlines, and American Airlines.

Question 9

What are the most popular departure times for flights from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

The most popular departure times for flights from London Heathrow (LHR) to San Francisco, CA (SFO) are in the morning, from 9am to 12pm. This accounts for around 36% of total traffic. Many major carriers, including United Airlines and British Airways, offer flights during this window. This timing works well because it allows you to start your journey relatively early and arrive in San Francisco with plenty of time to settle in.

Question 10

How long does it take to fly from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

Flying nonstop from LHR to SFO takes around 11 hours, with the route covering approximately 5,355 miles. Flights with a layover typically take 5 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Question 11

Can you fly business or first class from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

Select the "Business class" and "First class" filters when looking for LHR to SFO flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

Question 12

How do I earn miles on a London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) flight with Expedia?

Accepted Answer

It's easy to earn miles on a London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Question 13

What airports do you fly into for San Francisco from Heathrow (LHR)?

Accepted Answer

From Heathrow (LHR), you can fly directly into San Francisco Intl. (SFO) to reach San Francisco. Some flights may connect through major hubs like Humberto Delgado (LIS), Kastrup (CPH), Frankfurt Intl. (FRA) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Question 14

Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) at the last minute?

Accepted Answer

Typically, booking a last minute flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Question 15

Is it cheaper to book a London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package?

Accepted Answer

Securing a London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Question 16

Can I cancel or change the date of my flight from London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.)?

Accepted Answer

If you booked your London (LHR-Heathrow) to San Francisco, CA (SFO-San Francisco Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Origin airport	Heathrow
Destination airport	San Francisco Intl.
Airlines serving	Aer Lingus, Air Canada, Air France, Alaska Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic, WestJet
Return price	£506
Distance	8567 km
Average flight time	3 hours 4 mins

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