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Cheap flights from San Diego to London Heathrow Airport from £252

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LHR
20 Nov — 27 Nov1
1 adult

The best prices from San Diego to London Heathrow are usually found in November or October, booked 86 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Find flights from San Diego to Heathrow within your budget

Customise your flight search to find flights from San Diego to Heathrow 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 943,810 searches. Data last updated 15 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 2/12

18:10-12:35

Nonstop10h 25m

London Heathrow

Tue 10/12

11:55-20:03

1 stop16h 08m

£524

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 10/12

18:52-07:10

3 stops28h 18m

London Heathrow

Tue 17/12

06:30-22:27

2 stops23h 57m

£525

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 19/1

19:30-07:10

2 stops27h 40m

London Heathrow

Fri 31/1

08:45-18:50

2 stops18h 05m

£526

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 22/1

18:10-12:35

Nonstop10h 25m

London Heathrow

Fri 7/2

12:50-16:05

Nonstop11h 15m

£527

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 2/12

19:30-07:10

2 stops27h 40m

London Heathrow

Tue 10/12

11:10-11:05

2 stops31h 55m

£528

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 2/12

18:10-12:35

Nonstop10h 25m

London Heathrow

Thu 12/12

11:00-23:23

1 stop20h 23m

£532

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 4/12

06:30-06:50

2 stops16h 20m

London Heathrow

Tue 10/12

08:40-19:02

2 stops18h 22m

£532

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 10/3

19:10-12:35

Nonstop10h 25m

London Heathrow

Tue 18/3

12:50-17:05

Nonstop11h 15m

£537

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 6/3

21:45-20:45

1 stop15h 00m

London Heathrow

Sun 16/3

07:25-20:35

1 stop20h 10m

£546

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 13/3

11:00-17:40

2 stops23h 40m

London Heathrow

Tue 25/3

06:40-00:44

2 stops25h 04m

£584

Flights are sorted by cheapest first

Deals found on 14/11

Showing 1-10 of 30 results
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Cheap flight deals from San Diego to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Heathrow (LHR). 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 15 November 2024.

Round-trip from

£524

One-way from

£252

Popular in

June

Cheapest in

November
British Airways
  • British Airways
  • 2/12-10/12
  • 1 total stop
  • 26h 33m total
  • San Diego to London
22/1
  • 22/1
  • 3 total stops
  • 28h 50m total
  • San Diego to London
High demand for flights, 30% potential price rise
Best time to find cheap flights, 17% potential price drop

Find flight deals from San Diego to Heathrow

Cheapest flights from San Diego to Heathrow
Explore the most affordable flight options available from San Diego to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 November 2024.

Mon 2/1218:10SAN - LHR
Nonstop10h 25mBritish Airways
Tue 10/1211:55LHR - SAN
1 stop16h 08mBritish Airways
Deal found 14/11£524
Tue 10/1218:52SAN - LHR
3 stops28h 18mUnited Airlines
Tue 17/1206:30LHR - SAN
2 stops23h 57mUnited Airlines
Deal found 15/11£525
Tue 3/1218:10SAN - LHR
Nonstop10h 25mIberia
Tue 10/1212:50LHR - SAN
Nonstop11h 15mIberia
Deal found 14/11£526
Wed 4/1206:15SAN - LHR
2 stops16h 35mDelta
Tue 10/1209:00LHR - SAN
1 stop15h 20mDelta
Deal found 14/11£528
Mon 2/1219:30SAN - LHR
2 stops27h 40mAir Canada
Tue 10/1211:10LHR - SAN
2 stops31h 55mAir Canada
Deal found 14/11£528
Sun 8/1218:10SAN - LHR
Nonstop10h 25mFinnair
Wed 22/112:50LHR - SAN
Nonstop11h 15mFinnair
Deal found 14/11£530
Sun 8/1210:55SAN - LHR
2 stops21h 05mScandinavian Airlines
Thu 23/110:20LHR - SAN
2 stops20h 31mScandinavian Airlines
Deal found 14/11£545
Mon 30/1217:20SAN - LHR
1 stop15h 45mMultiple Airlines
Mon 13/120:05LHR - SAN
2 stops32h 34mMultiple Airlines
Deal found 14/11£546
Wed 11/1208:00SAN - LHR
1 stop14h 50mAmerican Airlines
Sat 25/112:50LHR - SAN
Nonstop11h 15mAmerican Airlines
Deal found 15/11£572
Sun 29/1211:26SAN - LHR
1 stop17h 14mVirgin Atlantic
Sun 12/109:10LHR - SAN
2 stops17h 59mVirgin Atlantic
Deal found 13/11£585
Fri 15/1120:55SAN - LHR
1 stop15h 50mJetBlue
Tue 26/1108:25LHR - SAN
1 stop18h 56mJetBlue
Deal found 15/11£590
Fri 6/1210:15SAN - LHR
1 stop15h 45mAir France
Mon 16/1209:10LHR - SAN
1 stop19h 27mAir France
Deal found 14/11£617

Best time to book a flight from San Diego to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from San Diego to Heathrow. Price data was last updated on 8 November 2024.

The best time to book flights from San Diego to London Heathrow Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to London Heathrow Airport (average of £112). Flying from San Diego to London Heathrow Airport in July is currently the most expensive (average of £160). 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 LHR?

Find hourly flight availability from San Diego to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 November 2024.

It’s optimal to fly from San Diego to London Heathrow Airport in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from San Diego to London Heathrow Airport

Explore weekly flight availability from San Diego to Heathrow. 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 15 November 2024.

The most flights from SAN to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 15 November 2024.
Read reviews from past customers who have flown British Airways, United Airlines and Finnair from San Diego to London. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,786 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

8.0
Very Good
8,786 reviews
8.0
Very Good
8,786 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.7
Good
1,304 reviews
8.0
Very Good
8,786 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.6
Good
810 reviews
8.0
Very Good
8,786 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.6
Good
1,638 reviews
8.0
Very Good
8,786 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.5
Good
3,435 reviews
8.0
Very Good
8,786 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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 Heathrow. 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 Heathrow?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to London Heathrow. You should not have trouble finding flights to London Heathrow from San Diego; the airport handles an average of 5 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights from the San Diego airport to London Heathrow. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

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

    Our cheapest airline available from San Diego to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as £524 on this airline. Additional options worth looking into are United Airlines and Finnair, starting at £525 and £527 round-trip. These flights start at 28% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at £275. Scandinavian Airlines flights start at £288 while deals on JetBlue start at £310 one-way.

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

    Consider American Airlines (49%), Alaska Airlines (49%) or British Airways (49%) when booking your flight. These represent the most reliable airlines when flying from San Diego to London Heathrow Airport.

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

    While on average a flight from San Diego to London Heathrow Airport is generally £517, our data shows the cheapest flight currently is £320. When looking at the most popular route, (San Diego - London Heathrow), you can expect to pay £457 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from San Diego to London Heathrow Airport (average of £112). Flying from San Diego to London Heathrow Airport in July is currently the most expensive (average of £160). 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

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Top airline flying from San Diego to Heathrow

Discover the top airline that operate flights from San Diego to Heathrow. 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 943,810 searches. Data last updated 15 November 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£581Average£727FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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

Yes, we can. To see specific flights from San Diego to Heathrow 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 Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from San Diego today and book when prices fit your budget.

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