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$312+ Cheap flights from San Diego (SAN) to Heathrow (LHR)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LHR
Dec 29 — Jan 51
Sun 12/29
Sun 1/5
1 adult, Economy
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The best prices from San Diego to London Heathrow are usually found in October or November, booked 86 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

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 December 24, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$634
(JetBlue)

One-way from

$312
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$1,019
Provider with most accurate pricing for San Diego-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-London Heathrow flights.
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From San Diego to London Heathrow
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One-way flight from San Diego to London Heathrow
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 December 24, 2024.

This JetBlue deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:28 pmSAN - LHR
1 stop16h 17mJetBlue
Tue 1/148:25 amLHR - SAN
1 stop18h 53mJetBlue
Deal found 12/23$854
This LATAM Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:05 pmSAN - LHR
2 stops27h 25mMultiple Airlines
Tue 1/148:55 amLHR - SAN
2 stops19h 44mMultiple Airlines
Deal found 12/23$937
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/301:00 pmSAN - LHR
1 stop12h 40mUnited Airlines
Tue 1/143:00 pmLHR - SAN
2 stops28h 28mUnited Airlines
Deal found 12/22$941
This Booking.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/302:42 pmSAN - LHR
1 stop13h 23mBritish Airways
Tue 1/1412:50 pmLHR - SAN
Nonstop11h 15mBritish Airways
Deal found 12/23$946
This Delta deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:15 amSAN - LHR
2 stops16h 35mDelta
Tue 1/148:40 amLHR - SAN
2 stops20h 26mDelta
Deal found 12/23$954
This Gurufare deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:00 amSAN - LHR
2 stops25h 00mScandinavian Airlines
Thu 1/166:40 amLHR - SAN
2 stops24h 11mScandinavian Airlines
Deal found 12/22$971
This Orbitz deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3012:55 pmSAN - LHR
2 stops23h 40mAir Canada
Thu 1/91:25 pmLHR - SAN
2 stops29h 40mAir Canada
Deal found 12/22$978
This Iberia deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3010:52 amSAN - LHR
1 stop17h 13mIberia
Sun 1/1912:50 pmLHR - SAN
Nonstop11h 15mIberia
Deal found 12/23$1,003
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3010:52 amSAN - LHR
1 stop14h 48mAmerican Airlines
Tue 1/1412:50 pmLHR - SAN
Nonstop11h 15mAmerican Airlines
Deal found 12/21$1,042
This Gurufare deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/263:36 pmSAN - LHR
2 stops18h 14mSWISS
Fri 1/178:55 amLHR - SAN
2 stops21h 35mSWISS
Deal found 12/23$1,314
This WestJet deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2212:35 pmSAN - LHR
1 stop16h 15mWestJet
Fri 1/172:50 pmLHR - SAN
1 stop28h 55mWestJet
Deal found 12/22$1,662
This Aeromexico deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2511:27 amSAN - LHR
1 stop16h 13mAir France
Mon 1/65:35 pmLHR - SAN
2 stops37h 16mAir France
Deal found 12/23$1,725

Find flights from San Diego to Heathrow within your budget

Customize 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 2,558,603 searches. Data last updated December 24, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 2/19

9:56 am-5:40 pm

3 stops23h 44m

London Heathrow

Wed 2/26

6:40 am-12:10 am

3 stops25h 30m

$639

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 1/15

12:35 pm-12:50 pm

1 stop16h 15m

London Heathrow

Fri 1/17

2:50 pm-11:45 am

1 stop28h 55m

$651

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 2/25

9:37 pm-8:45 pm

1 stop15h 08m

London Heathrow

Wed 3/5

8:25 am-6:37 pm

1 stop18h 12m

$659

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 1/21

10:58 am-4:00 pm

2 stops21h 02m

London Heathrow

Tue 1/28

6:40 am-10:51 pm

2 stops24h 11m

$665

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 2/4

4:00 pm-10:10 am

1 stop34h 10m

London Heathrow

Tue 2/11

1:00 pm-3:05 pm

1 stop34h 05m

$667

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 3/23

7:10 pm-12:35 pm

Nonstop10h 25m

London Heathrow

Thu 4/3

2:45 pm-5:50 pm

Nonstop11h 05m

$673

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 1/21

6:15 am-6:20 am

1 stop16h 05m

London Heathrow

Tue 1/28

1:10 pm-10:08 pm

1 stop16h 58m

$674

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 1/19

7:30 pm-10:10 am

1 stop30h 40m

London Heathrow

Fri 1/31

8:45 am-3:25 pm

1 stop14h 40m

$684

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/13

6:10 pm-12:35 pm

Nonstop10h 25m

London Heathrow

Wed 1/29

12:50 pm-4:05 pm

Nonstop11h 15m

$693

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 1/13

11:38 am-10:35 am

1 stop14h 57m

London Heathrow

Wed 1/29

8:40 am-9:06 pm

2 stops20h 26m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 30 results
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Compare providers for flights from San Diego to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Heathrow in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*2 stars
KAYAKPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Diego-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-London Heathrow Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from San Diego to Heathrow. Price data was last updated on December 20, 2024.

The price you pay for your flight from San Diego to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 86 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 Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from San Diego to London Heathrow Airport (average of $661). Flying from San Diego to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 December 24, 2024.

A simple way to save on the total cost of your ticket is to fly from San Diego to London Heathrow Airport at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to London Heathrow Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 December 24, 2024.
See what other customers who have flown with JetBlue, Delta and Scandinavian Airlines from San Diego to London have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,588 reviews

Entertainment

7.9

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,588 reviews
Delta
8.0
Very good
8,588 reviews

Entertainment

7.9

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,588 reviews

Entertainment

7.9

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,588 reviews

Entertainment

7.9

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
666 reviews
Delta
8.0
Very good
8,588 reviews

Entertainment

7.9

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,022 reviews
Delta
8.0
Very good
8,588 reviews

Entertainment

7.9

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to London Heathrow. On average, San Diego has 5 outbound flights to London Heathrow per day from 11 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

    JetBlue, at $634, was found to be the cheapest airline from San Diego to London Heathrow Airport.Alternate airlines to your destination round-trip include WestJet and Scandinavian Airlines. JetBlue is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $312 on JetBlue. Other airlines that offer cheap prices include Scandinavian Airlines from $366 and Air Canada from $423 one-way.

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

    The top 3 most reliable airlines when flying from San Diego to London Heathrow Airport are Iberia (82%), American Airlines (77%) and Alaska Airlines (77%).

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

    The cheapest flight price from San Diego to London Heathrow Airport is $402. On average you can expect to pay $4,115. The most popular route, (San Diego - London Heathrow), can usually be booked for $581.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from San Diego to London Heathrow Airport (average of $661). Flying from San Diego to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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.

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Top 10 airlines flying from San Diego to Heathrow

Discover the top 10 airlines 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 2,558,603 searches. Data last updated December 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$584Average$898FlexibilityNo cancel feeOn-time69%
FinnairCheapest$586Average$675FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$596Average$942FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$597Average$974FlexibilityNo cancel feeOn-time62%
IberiaCheapest$599Average$822FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$605Average$832FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$608Average$848FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$650Average$962FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$657Average$976FlexibilityNo cancel feeOn-time70%
DeltaCheapest$693Average$968FlexibilityNo cancel feeOn-timeN/A
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