Cheap Flights from San Diego (SAN) to London (LHR)

You can find one-way and return flights from SAN to LHR with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when SAN to LHR ticket fares go up or down.

If you're looking for the cheapest time to fly from San Diego International Airport (SAN) to London Heathrow (LHR), October is typically your best bet. You can expect average return fares around AU$1030 during this month. Other budget-friendly months to consider for this route include September and November.

Only one airline offers direct flights from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow). British Airways operates 14 direct flights from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow) every week.

KLM offers one of the cheapest connecting return flights from San Diego Intl. (SAN) to Heathrow (LHR) starting from around AU$1039. British Airways is one of the cheapest airlines offering nonstop return flights from San Diego Intl. (SAN) to Heathrow (LHR), with tickets starting from around AU$1199 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from San Diego, CA (SAN) to London (LHR), 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.

The best airline to fly with from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. American Airlines offers the most daily flights from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow), 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.

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.

You'll find approximately 2 nonstop flights per day from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow). For even more choices, look at flights that include layovers, as there are around 147 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), John F. Kennedy Intl. (JFK), and Los Angeles Intl. (LAX).

The earliest flight from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow) typically departs around 12:55 AM. This service is offered by American Airlines and British Airways. This is a seasonal service, active only in June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from San Diego Intl. (SAN) to Heathrow (LHR) on a Wednesday, with around 109 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. Flight schedules are fairly consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.

The most popular departure times for flights from San Diego Intl. (SAN) to Heathrow (LHR) are between 12pm and 3pm. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer this time as it allows for a full morning in San Diego before heading to the airport, and you'll arrive in London in the morning, ready to start your day.

When flying from San Diego, CA (SAN-San Diego Intl.) to London (LHR-Heathrow), you have a few options for flight duration. A nonstop flight typically takes around 10 hours 48 minutes. This route covers a distance of approximately 8,808 kilometers. If you opt for a flight with one stop, your journey will generally be longer, taking about 13 hours 48 minutes. Flights with two or more stops usually take even longer, around 17 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.

You can fly business class or first class between SAN and LHR. Airlines that offer business class service on this route include:

* KLM
* Lufthansa
* Air France
* Alaska Airlines
* JetBlue Airways
* Air Canada
* British Airways
* Skywest Air
* United
* Delta
* American Airlines

First class cabins are available on Lufthansa, Alaska Airlines, British Airways, United, and American Airlines.

It's easy to earn miles on a San Diego, CA (SAN) to London (LHR) 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.

If you're planning to travel to London from San Diego Intl. (SAN), you can fly directly into Heathrow (LHR) which offers international flights and connections. Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Los Angeles Intl. (LAX), or O'Hare Intl. (ORD) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from San Diego, CA (SAN) to London (LHR) 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.

Securing a San Diego, CA (SAN) to London (LHR) 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.

If you booked your San Diego, CA (SAN) to London (LHR) 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.