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£390 Cheap Flights from London (LGW) to San Diego (SAN)

View £390 flight on Sun, 6 Sept 2026Opens in a new window

Popular airlines from Gatwick Airport (LGW) to San Diego Intl. Airport (SAN)

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

Prices were available within the past 7 days and start at £390 for one-way flights and £482 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, 16 Oct - Sat, 17 Oct
LGW
London
SAN
San Diego
£482 Return, found 1 day ago
£482
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, 16 Oct from London to San Diego, returning Sat, 17 Oct, priced at £482 found 1 day ago
Swiss International Air Lines
Mon, 19 Oct - Tue, 20 Oct
LGW
London
SAN
San Diego
£495 Return, found 1 day ago
£495
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 19 Oct from London to San Diego, returning Tue, 20 Oct, priced at £495 found 1 day ago
American Airlines
Tue, 22 Sept - Tue, 6 Oct
LGW
London
SAN
San Diego
£617 Return, found 2 days ago
£617
Return
found 2 days ago
Select American Airlines flight, departing Tue, 22 Sept from London to San Diego, returning Tue, 6 Oct, priced at £617 found 2 days ago
American Airlines
Mon, 5 Oct - Mon, 12 Oct
LGW
London
SAN
San Diego
£618 Return, found 2 hours ago
£618
Return
found 2 hours ago
Select American Airlines flight, departing Mon, 5 Oct from London to San Diego, returning Mon, 12 Oct, priced at £618 found 2 hours ago
British Airways
Tue, 22 Sept - Tue, 6 Oct
LGW
London
SAN
San Diego
£634 Return, found 2 days ago
£634
Return
found 2 days ago
Select British Airways flight, departing Tue, 22 Sept from London to San Diego, returning Tue, 6 Oct, priced at £634 found 2 days ago
Finnair
Tue, 22 Sept - Tue, 6 Oct
LGW
London
SAN
San Diego
£640 Return, found 2 days ago
£640
Return
found 2 days ago
Select Finnair flight, departing Tue, 22 Sept from London to San Diego, returning Tue, 6 Oct, priced at £640 found 2 days ago
British Airways
Tue, 22 Sept - Tue, 6 Oct
LGW
London
SAN
San Diego
£642 Return, found 2 days ago
£642
Return
found 2 days ago
Select British Airways flight, departing Tue, 22 Sept from London to San Diego, returning Tue, 6 Oct, priced at £642 found 2 days ago
American Airlines
Thu, 24 Sept - Sun, 27 Sept
LGW
London
SAN
San Diego
£647 Return, found 7 hours ago
£647
Return
found 7 hours ago
Select American Airlines flight, departing Thu, 24 Sept from London to San Diego, returning Sun, 27 Sept, priced at £647 found 7 hours ago
American Airlines
Mon, 5 Oct - Mon, 12 Oct
LGW
London
SAN
San Diego
£648 Return, found 2 hours ago
£648
Return
found 2 hours ago
Select American Airlines flight, departing Mon, 5 Oct from London to San Diego, returning Mon, 12 Oct, priced at £648 found 2 hours ago
Iberia
Tue, 22 Sept - Tue, 6 Oct
LGW
London
SAN
San Diego
£656 Return, found 2 days ago
£656
Return
found 2 days ago
Select Iberia flight, departing Tue, 22 Sept from London to San Diego, returning Tue, 6 Oct, priced at £656 found 2 days ago

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city centre is 26 minutes. Flights from £2,991
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city centre26 min
Flights from £2,991

Frequently asked questions

How much does a flight from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find cheap one-way flights from £390 and cheap return flights from £482 LGW to SAN with Expedia. One-way flights typically cost between £363 and £881, and return flights often range between £848 and £4005. 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 LGW to SAN ticket fares go up or down.
What is the cheapest month to fly from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
The cheapest months to fly from LGW to SAN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
Enter LGW to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
Portugalia is one of the cheapest airlines offering connecting return flights from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.), with tickets starting from around £991 for flights that can be booked for departure within the next year. These flights typically include a layover in Humberto Delgado (LIS). 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.
How do I find cheap flights from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego 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.
What is the best time to fly from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
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.
How many flights per day from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
There are approximately 13 connecting flights per day from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.). Some common connection points include Keflavik Intl. (KEF), Roissy-Charles de Gaulle (CDG), and Zürich (ZRH).
What is the earliest flight from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.) typically departs around 6:20 AM. This service is offered by Turkish Airlines and Alaska Airlines. This is a seasonal service, active only in March. 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.
What day of the week has the most flights from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from London Gatwick (LGW) to San Diego (SAN) on a Monday, with around 23 flights available. This gives you a good selection of options to choose from. Major airlines on this route include British Airways, Air France, and Turkish Airlines. While Mondays offer more choices, flight options are fairly consistent throughout the week, with only a slight variation compared to other days.
What are the most popular departure times for flights from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from London Gatwick (LGW) to San Diego, CA (SAN) are between 9am and 12pm. Many major carriers, including British Airways, Iberia Express and Air France, offer flights during this window. Many travellers prefer these morning flights as they allow for an early start to their journey and a daytime arrival in San Diego.
How long does it take to fly from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
There are no nonstop flights from London Gatwick (LGW) to San Diego, CA (SAN). The distance between these two cities is approximately 8,847 kilometers. For flights with one stop, you can expect the journey to take around 17 hours 18 minutes. If your flight has two or more stops, the travel time typically increases to about 21 hours 18 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific route, layover times, and factors like wind patterns.
Can you fly business or first class from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
You can fly business class between LGW and SAN. Airlines that offer business class service on this route include:
  • Icelandair
  • Iberia Express
  • Helvetic Airways
How do I earn miles on a London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a London (LGW-Gatwick) to San Diego, CA (SAN-San Diego 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.
What airports do you fly into for San Diego, CA (SAN) from London (LGW)?
If you're planning to travel to San Diego from Gatwick Airport (LGW), you can fly directly into San Diego International Airport (SAN). Some flights may connect through major hubs like Tampa International Airport (TPA), Orlando International Airport (MCO), or Adolfo Suarez Madrid-Barajas Airport (MAD) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego 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.
Is it cheaper to book a London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a London (LGW-Gatwick) to San Diego, CA (SAN-San Diego 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.
Can I cancel or change the date of my flight from London (LGW-Gatwick) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your London (LGW-Gatwick) to San Diego, CA (SAN-San Diego 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.

Travel information

Origin airport
Gatwick
Destination airport
San Diego Intl.
Airlines serving
Air Europa, Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Return price
£481
Distance
8794 km

Book with confidence

Compare flights from London to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to San Diego. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gatwick (LGW) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from London to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gatwick to San Diego Intl. start at just £482 and range up to £656.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and San Diego
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to San Diego easily and book with confidence

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*Available to Expedia members.