Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Diego to London from £177

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LON
26 Feb — 5 Mar1
1 adult

The best prices from San Diego to London are usually found in February or January, booked 19 days in advance, depart on a Sunday or Saturday and return on a Wednesday

Cheap flight deals from San Diego to London

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£503

One-way from

£177

Popular in

June

Cheapest in

February

Average price

£563

Good round-trip deal

£541 or less

Good one-way deal

£370 or less
8/4-22/4
  • 8/4-22/4
  • 3 total stops
  • 47h 04m total
  • San Diego to London
27/2
  • 27/2
  • 1 total stop
  • 20h 20m total
  • San Diego to London
Highest demand for flights based on searches. 22% potential increase in price (£159 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from San Diego to London (LON).
Price to beat on a one-way flight from San Diego to London (LON).

Find flight deals from San Diego to London

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 21 February 2025.

Tue 8/406:25SAN - LGW
2 stops19h 35mMultiple Airlines
Tue 22/414:00LGW - SAN
1 stop27h 29mMultiple Airlines
Deal found 20/2£503
Mon 28/417:30SAN - LHR
2 stops29h 00mMultiple Airlines
Wed 7/506:30LHR - SAN
2 stops17h 39mMultiple Airlines
Deal found 21/2£505
Tue 8/411:50SAN - LHR
1 stop17h 30mAir Canada
Tue 22/414:05LHR - SAN
2 stops29h 43mAir Canada
Deal found 20/2£506
Wed 16/410:27SAN - LHR
1 stop12h 53mFinnair
Wed 23/410:20LHR - SAN
2 stops21h 08mFinnair
Deal found 20/2£507
Wed 30/410:27SAN - LHR
1 stop12h 53mBritish Airways
Thu 8/514:55LHR - SAN
Nonstop11h 05mBritish Airways
Deal found 20/2£509
Mon 24/309:29SAN - LHR
1 stop14h 51mIberia
Wed 30/414:55LHR - SAN
Nonstop11h 05mIberia
Deal found 21/2£513
Mon 28/411:50SAN - LHR
1 stop17h 30mUnited Airlines
Tue 6/507:25LHR - SAN
1 stop16h 00mUnited Airlines
Deal found 20/2£514
Tue 8/415:57SAN - LHR
2 stops17h 53mSWISS
Tue 22/408:45LHR - SAN
2 stops21h 44mSWISS
Deal found 20/2£517
Sun 9/306:15SAN - LHR
2 stops17h 50mDelta
Tue 25/306:30LHR - SAN
2 stops18h 36mDelta
Deal found 21/2£523
Tue 22/415:57SAN - LGW
2 stops17h 53mSWISS
Mon 5/518:35LGW - SAN
2 stops32h 16mSWISS
Deal found 20/2£535
Tue 25/307:25SAN - LHR
1 stop16h 25mKLM
Wed 2/411:00LHR - SAN
1 stop15h 49mKLM
Deal found 20/2£538
Sun 9/310:55SAN - LHR
2 stops22h 05mScandinavian Airlines
Tue 25/307:05LHR - SAN
3 stops21h 20mScandinavian Airlines
Deal found 20/2£541

Find flights from San Diego to London within your budget

Customise your flight search to find flights from San Diego to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

San Diego

Fly to

London

Route

Depart

Return

Price

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Tue 8/4

06:25-10:00

2 stops19h 35m

London Gatwick

Tue 22/4

14:00-09:29

1 stop27h 29m

£503

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 28/4

17:30-06:30

2 stops29h 00m

London Heathrow

Wed 7/5

06:30-16:09

2 stops17h 39m

£505

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 8/4

11:50-13:20

1 stop17h 30m

London Heathrow

Tue 22/4

14:05-11:48

2 stops29h 43m

£506

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 16/4

10:27-07:20

1 stop12h 53m

London Heathrow

Wed 23/4

10:20-23:28

2 stops21h 08m

£507

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 30/4

10:27-07:20

1 stop12h 53m

London Heathrow

Wed 7/5

11:30-14:50

Nonstop11h 20m

£509

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 9/3

10:00-07:25

1 stop14h 25m

London Heathrow

Tue 25/3

08:45-16:25

1 stop14h 40m

£512

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 24/3

09:29-07:20

1 stop14h 51m

London Heathrow

Wed 30/4

14:55-18:00

Nonstop11h 05m

£513

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 28/4

11:50-13:20

1 stop17h 30m

London Heathrow

Tue 6/5

07:25-15:25

1 stop16h 00m

£514

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 8/4

15:57-17:50

2 stops17h 53m

London Heathrow

Tue 22/4

08:45-22:29

2 stops21h 44m

£517

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 9/3

06:15-07:05

2 stops17h 50m

London Heathrow

Tue 25/3

06:30-18:06

2 stops18h 36m

£523

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 57 results
1
2
3
...
6

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego to London

Get recent, data-driven insights about flights from San Diego to London including ideal travel times, pricing trends, and more.

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 14 February 2025.

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 19 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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 £163). 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.

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 21 February 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 25% on flights from San Diego to London by exploring options for tickets in the morning.

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 21 February 2025.

The most flights from SAN to LON are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

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.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 February 2025.
Read reviews from past customers who have flown Delta, KLM and Air Transat from San Diego to London. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    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 6 outbound flights to London per day.

  • What are the cheapest airlines flying from San Diego to London round-trip?

    According to our current data, Air Canada (£506), Finnair (£507), and British Airways (£509) offers the cheapest pricing from San Diego to London. Air Canada is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Diego to London one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £223. Users have also found prices from £257 and £341 on JetBlue and Air Canada, respectively.

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

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

    The top 3 most reliable airlines when flying from San Diego to London are American Airlines (68%), Alaska Airlines (68%) and Aer Lingus (68%).

  • What are the cheapest flights from San Diego to London?

    On average you can expect to pay £554 for a flight from San Diego to London. The cheapest flight overall is £352 while the most popular route, (San Diego - London Heathrow) is currently priced at £467.

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

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

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

    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.

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

    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.

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

    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 £163). 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.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford
Dartford
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from San Diego to London

Discover the top airline that operate flights from San Diego to London. 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 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£543Average£745FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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 San Diego to London?

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.

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

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.

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

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.

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

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!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.