Cheapflights Tip: The best prices from London to San Clemente are usually found in February or September, booked 61 days in advance, depart on a Thursday or Friday and return on a Wednesday
Find flight deals from London to San Clemente
Keep the following information in mind while searching for London to San Clemente flight deals. Data was last updated 22 September 2026.
Popular in
December
Cheapest in
February
Average price
£467
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Everything you need to know about your flight from London to San Clemente
Prices
Airlines
What is the cheapest time of day to fly from LON to CL3?
Find hourly flight availability from London to San Clemente. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Clemente as you normally would.
Weekly flight availability from London to San Clemente
Explore weekly flight availability from London to San Clemente. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 September 2026.
The most flights from LON to CL3 are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).
Reviews of airlines servicing San Clemente
Get insights into the airlines that provide service to San Clemente. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Clemente. Reviews last updated 22 September 2026.
Get a feel of what it's like to fly with Finnair,United Airlines, andVirgin Atlantic from London to San Clemente by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
baggage allowance was different between the outgoing and inbound flights
Related info for your journey
Find useful and relevant information for your journey from London to San Clemente. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines to fly from London to San Clemente one-way?
One-way options have recently been found by users for as low as £171 on WestJet. Other airlines that offer cheap prices include SWISS from £309 and Aer Lingus from £313 one-way.
What are the most popular routes from London to San Clemente?
The most popular flight routes from London to San Clemente are London Heathrow - Los Angeles, London Gatwick - Los Angeles and London Stansted - Los Angeles.
What are the most reliable airlines from London to San Clemente?
No one likes to see their flight delayed. When booking a flight from London to San Clemente consider choosing SriLankan Airlines (95%), Malaysia Airlines (89%) or Fiji Airways (86%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from London to San Clemente?
Looking at all options, your cheapest flight can be booked for £337. While the most popular route (London Heathrow - Los Angeles) can be booked for £302 on average, our data indicates £2,402 when flying from London to San Clemente.
Can I find deals for business class flights from London to San Clemente?
Yes. Cheapflights offers flight deals from London to San Clemente by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.
Top 10 airlines flying from London to San Clemente
Discover the top 10 airlines that operate flights from London to San Clemente. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 22 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to San Clemente?
When you search for this flight from London to San Clemente, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from London to San Clemente?
Cheapflights helps you find that perfect flight to San Clemente from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from London to San Clemente with no change fees?
Certainly. Search results for flights to San Clemente from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from London to San Clemente become cheaper?
Yes, Cheapflights offers price alerts on London to San Clemente flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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