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

Popular airlines from San Diego Intl. Airport (SAN) to Luton Airport (LTN)

Alternative airports near London

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

Select flight to Heathrow LHR. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $624
LHR
Heathrow
CheapestClosest
Average driving time to city center28 min
Flights from $624

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Luton Airport (LTN) cost?
Grab a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Luton Airport (LTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Luton Airport (LTN)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between SAN and LTN. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Luton Airport (LTN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from SAN to LTN. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from San Diego Intl. Airport (SAN) to Luton Airport (LTN)?
There are no daily nonstop flights available from San Diego Intl. Airport (SAN) to Luton Airport (LTN). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SAN to LTN?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Luton Airport (LTN)?
Select a flight from San Diego Intl. Airport (SAN) to Luton Airport (LTN) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from San Diego Intl. Airport (SAN)?
Check out your flight options from San Diego Intl. Airport (SAN) to Heathrow Airport (LHR). This is the only airport in London you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Luton Airport (LTN) last-minute?
Holding off until right before your break to book your flight from SAN to LTN often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of landing a bargain.
Is it cheaper to book a SAN to LTN flight and hotel package?
Booking a SAN to LTN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Luton Airport (LTN)?
In most cases, you can cancel or modify your SAN to LTN flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
San Diego Intl.
Destination airport
Luton
Distance
5457 mi

Book with confidence

San Diego to London Flights

The cheapest times to fly from San Diego to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to London are during the month of . You can find some of the cheapest flights from San Diego to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to London

Sunday is one of the best days to book for cheap flights from San Diego to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to London in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to London Flights

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*Available to One Key members.