Airlines Flying from London to San Diego

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Flight deals from London to San Diego

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from London to San Diego

Cheapest one-way flight price £366
Cheapest return ticket price £431
Off-season travel month March
Peak season for travel June
Flight distance 8,820.08km
Average flight time 11 hours 10 minutes
Popular airline Finnair

Find the best time to fly from London to San Diego

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 20 27
  • May

    27 4
  • 4 11
  • 11 18
  • 18 25
  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29
  • Jul

    29 6
  • 6 13
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from London (LON) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from London to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from London (LON) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around £1,090.
  • How long is the flight from London (LON) to San Diego (SAN)?

    It takes about 11 hours 10 minutes to fly from London (LON) to San Diego (SAN).
  • What are the most popular airlines that fly from London (LON) to San Diego (SAN)?

    Airlines with flights from London (LON) to San Diego (SAN): American Airlines, British Airways, Finnair, Alaska Airlines, Iberia and Aer Lingus.
  • How many airports in San Diego (SAN)?

    There are 2 airport(s) in San Diego (SAN): McClellan-Palomar Airport and San Diego International Airport.

How to find a cheap flight from London to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to San Diego. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from London to San Diego.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from London to San Diego over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, May 7, with one-way flights priced at just £1154.
2
Compare cheap flight deals from London to San Diego across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from London to San Diego. The cheapest airline for this route is Finnair.
3
Set up a Price Alert
By setting up a Price Alert for your journey from London to San Diego, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from London to San Diego.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from London to San Diego and snag some exclusive deals just for you.

Flights from London to San Diego

San Diego is a beautiful city in the state of California, USA. Known for its amazing tropical weather and beaches. San Diego is also very close to the Mexico border with access to Tijuana, another beautiful city by the coast.

Tip: For vsiiting the city's most beloved attractions, advance reservations are recommended

Reaching San Diego

San Diego is serviced by the San Diego International Airport (SAN). Most London to San Diego flights take off from the London Heathrow Airport (LHR). There are many direct flights to San Diego that usually take 11 hours of flying time from London. Finding cheap flights from London is an easy task with so many budget airlines like Virgin Atlantic and Delta Airlines flying on this route. You’ll find standard, frequent flights from London operated by British Airways, American Airlines, Air France, KLM and more.

Tip: Parking is expensive in San Diego so its best to take a bus from the airport or hail a ride sharing cab or a taxi instead.

Living the California Life!

Think California, think beaches! San Diego has miles and miles of the coast which means beaches, beach parties and shacks are all a part of the experience you will get. When in San Diego the first place to visit is the Balboa Park and the San Diego Zoo. You can also take a ride to the Safari. San Diego also has the USS Midway Museum for aircraft enthusiasts who would like to delve into the rich history of the ship and naval aircrafts. Museum of Contemporary Art, San Diego is a beautiful place to spend an evening and one can plan to walk to the Ellen Browning Scripps Park from here. The La Jolla Cove and the Underwater Park are amazing places to sit by the beach, explore the reef and marine life

Tip: San Diego is one of the largest cities in California and is crowded beyond your imagination. While renting cars is the best way to explore in most US cities, traffic is a consideration you must have before taking to driving!

Accommodation in San Diego

Downtown is almost always the go-to destination for most travellers but it comes with a huge weight on your pocket. Key things to remember before deciding where to stay in San Diego is what do you want to do and do these places have access to good transport facilities. Honestly, nobody wants to be hung up in traffic on a vacation!

Tip: The San Diego Trolley connects some of the tourist attractions you would probably like visiting. So if this is around your place of stay, consider buying a card. These trains make life in San Diego a lot easier.

Make your London – San Diego flight booking from Trip.com for the best deals and offers on multiple premium airlines. Explore deals from various airlines and choose the best seats with your preferred food choices in flight as well! Book your hotel and flight for better package deals too.