Question 1

What’s the top stopover airport for flights from San Diego to London?

Accepted Answer

Denver (DEN) – chosen by Cheapflights users on 25% of one-stop itineraries from San Diego to London on Cheapflights.

Question 2

What’s the fastest stopover option from San Diego to London?

Accepted Answer

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 13h 29m.

Question 3

What’s the cheapest stopover airport for flights from San Diego to London?

Accepted Answer

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of £531.

Question 4

Which airport typically offers the quickest stopover for flights from San Diego to London?

Accepted Answer

Flights via Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 43m.

Question 5

How long is the flight from San Diego to London?

Accepted Answer

Delta, Virgin Atlantic, and Iberia can get you from San Diego to London in just under 15h 56m. Your travel time can differ by up to 3h 13m. There are 5469 mi between San Diego and London. Both multi-stop and direct flights can be found to your destination and back.

Question 6

What is the cheapest airline to fly from San Diego to London round-trip?

Accepted Answer

According to our current data, British Airways (£518), offers the cheapest pricing from San Diego to London. British Airways is currently priced 19% below the average price you’ll pay for this route.

Question 7

How far ahead should I book a flight from San Diego to London?

Accepted Answer

The price you pay for your flight from San Diego to London may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 8

What is the cheapest month to book a flight from San Diego to London?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Diego to London (average of £112). Flying from San Diego to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 9

What is the cheapest day to fly from San Diego to London?

Accepted Answer

Travellers seeking maximum savings on their San Diego to London flight should consider departing on Tuesday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 10

Weekly flight availability from San Diego to London

Accepted Answer

The most flights from SAN to LON are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Question 12

E

Accepted Answer

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 13

What are the most popular routes from San Diego to London?

Accepted Answer

When deciding which route to take from San Diego to London consider San Diego - London Heathrow, San Diego - London Gatwick or San Diego - London City as they are the most popular.

Question 14

What are the cheapest flights from San Diego to London?

Accepted Answer

On average you can expect to pay £755 for a flight from San Diego to London. The cheapest flight overall is £304 while the most popular route, (San Diego - London Heathrow) is currently priced at £400.

Question 15

What are the most reliable airlines from San Diego to London?

Accepted Answer

The top 3 most reliable airlines when flying from San Diego to London are American Airlines (76%), Alaska Airlines (76%) and British Airways (76%).

Question 16

What is the cheapest day to fly round-trip from San Diego to London?

Accepted Answer

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

Question 17

How far in advance should I book a flight from San Diego to London?

Accepted Answer

To save on the cost of your flight from San Diego to London, book at least 47 days before your planned departure. Booking around this time can save you about 48% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £591 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £691.

Question 18

What is the cheapest month to fly from San Diego to London?

Accepted Answer

February can be a great time to fly to London from San Diego with a flight ticket averaging about £646. Cheapflights users have found deals in the month of February for as cheap as £448. The most expensive prices can be found in the month of June.

Question 19

What is the cheapest time of day to fly from SAN to LON?

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from San Diego to London by exploring options for tickets in the morning.

Question 20

What airport do you fly from for flights from San Diego to London?

Accepted Answer

San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to London. 1 airline have flights from San Diego to London on a regular basis. Booking flights from San Diego to London should not be difficult; the airport handles an average of 8 outbound flights to London per day.

Question 21

Can I find deals for flights from San Diego to London that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Diego to London flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 22

How can I find direct flights from San Diego to London?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to London.

Question 23

Can I find deals for business class flights from San Diego to London?

Accepted Answer

Yes. Cheapflights offers flight deals from San Diego to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 24

How does Cheapflights help users find flights from San Diego to London?

Accepted Answer

Cheapflights helps you search for flights from San Diego to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 25

Why should you use Cheapflights to find cheap flight tickets from San Diego to London?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 26

Can Cheapflights find flights from San Diego to London with no change fees?

Accepted Answer

Yes, we can. To see specific flights from San Diego to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 27

Can Cheapflights notify me if prices for flights from San Diego to London become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£411
One-way from	£192
Popular in	June
Cheapest in	February
Average price	£537
Good round-trip deal	£503 or less
Good one-way deal	£358 or less

Cheap flights from San Diego to London from £192

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Diego to London are usually found in February or October, booked 46 days in advance, depart on a Monday or Sunday and return on a Saturday

Cheap flight deals from San Diego to London

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Find flight deals from San Diego to London

Cheapest flights from San Diego to LondonExplore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.

Explore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.

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Use the filters below to find and compare flights from San Diego to London that are best for you.

Best time to book a flight from San Diego to London

Have a flexible travel schedule? Discover the best time to fly to London from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to London

How far ahead should I book a flight from San Diego to London?

Use this chart to determine the optimal time to book a return flight from San Diego to London. Price data was last updated on 22 August 2025.

What is the cheapest month to book a flight from San Diego to London?

What is the cheapest time of day to fly from SAN to LON?

Find hourly flight availability from San Diego to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 August 2025.

Weekly flight availability from San Diego to London

Explore weekly flight availability from San Diego to London. 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 25 August 2025.

What’s the top stopover airport for flights from San Diego to London?

Share of one-stop return flights from San Diego to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from San Diego to London?

Average return fare for one-stop flights from San Diego to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from San Diego to London?

Shortest average travel time for one-stop one-way flights from San Diego to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from San Diego to London?

Average stopover duration for one-stop one-way flights from San Diego to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing London

Get a feel of what it's like to fly with Iberia and British Airways from San Diego to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Diego to London?

How long is the flight from San Diego to London?

What is the cheapest airline to fly from San Diego to London round-trip?

What are the most popular routes from San Diego to London?

What are the most reliable airlines from San Diego to London?

What are the cheapest flights from San Diego to London?

Can I find deals for flights from San Diego to London that include hotel bookings?

How can I find direct flights from San Diego to London?

Can I find deals for business class flights from San Diego to London?

What is the cheapest month to book a flight from San Diego to London?

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Top airline flying from San Diego to London

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How does Cheapflights help users find flights from San Diego to London?

Why should you use Cheapflights to find cheap flight tickets from San Diego to London?

Can Cheapflights find flights from San Diego to London with no change fees?

Can Cheapflights notify me if prices for flights from San Diego to London become cheaper?

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Cheapest flights from San Diego to London
Explore the most affordable flight options available from San Diego to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.