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Cheap flights from San Diego (SAN) to Heathrow (LHR)

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The best prices from San Diego to Heathrow are usually found in February or January, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Friday

How to find the cheapest flight from
San Diego (SAN) to Heathrow (LHR)

SAN - LHR
Price
$721 - $1,288
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches

Popular in

June

High demand for flights, 28% potential price rise

Cheapest in

February

Best time to find cheap flights, 22% potential price drop

Round-trip from

$721

From San Diego to Heathrow

One-way from

$313

One-way flight from San Diego to Heathrow

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Diego to Heathrow?

Thursday flights are generally found to be more expensive for flights from San Diego to Heathrow. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Heathrow.

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

Users have found that booking a flight from San Diego to Heathrow at least 61 days early can save you up to 44% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from San Diego to Heathrow for as little as $910 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,146 for flights departing within the next 3 days.

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

Our data shows that October tends to be the cheapest month to fly to Heathrow from San Diego. Users have commonly found prices around $714 for the month, but tickets can be as low as $445. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from San Diego to Heathrow (SAN - LHR)?

One of the essential ways to save on airfare from San Diego to Heathrow is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 32% on airfare.

Cheap flights from San Diego to Heathrow in January, February 2021

The best prices found for SAN to LHR flights for January, February
16 Feb - 23 Feb
$670pp
SAN
San Diego
Air Canada
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
SAN
San Diego
18 Feb - 25 Feb
$674pp
SAN
San Diego
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
SAN
San Diego
15 Feb - 22 Feb
$676pp
SAN
San Diego
KLM
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
SAN
San Diego

San Diego to Heathrow 2021 flight deals

Cheap flights to Heathrow from San Diego found for this year
1 Mar - 8 Mar
$617pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SAN
San Diego
1 Mar - 15 Mar
$630pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
   
2 STOPS
SAN
San Diego
18 Aug - 31 Aug
$633pp
SAN
San Diego
Lufthansa
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
   
2 STOPS
SAN
San Diego

Non-stop flights to Heathrow from San Diego

Save time with San Diego to Heathrow direct flight deals
2 May - 12 May
$671pp
SAN
San Diego
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SAN
San Diego
12 May - 28 May
$672pp
SAN
San Diego
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SAN
San Diego
15 Apr - 22 Apr
$694pp
SAN
San Diego
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SAN
San Diego

Last minute flights from San Diego to Heathrow

Late deals on round-trip flights to Heathrow from San Diego, departing today and this week
30 Jan - 13 Feb
$820pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SAN
San Diego
30 Jan - 13 Feb
$873pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SAN
San Diego
30 Jan - 14 Feb
$874pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SAN
San Diego

One-way flights to Heathrow from San Diego

The cheapest one-way flights from San Diego to Heathrow
8:50 am - 7:05 am
Multiple Airlines
1 Stop
15h 15m
SAN - LHR
Multiple Airlines
$361
Gotogate
1:40 am - 5:40 am
Multiple Airlines
2 Stops
20h 00m
SAN - LHR
Multiple Airlines
$313
Kiwi.com
1:40 am - 5:40 am
Multiple Airlines
2 Stops
20h 00m
SAN - LHR
Multiple Airlines
$319
CheapFlights

Related info for your journey

Useful info, stats and facts about San Diego to Heathrow flights.

Flight FAQs

From San Diego to Heathrow

Are flight prices decreasing from San Diego to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Diego and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Diego to London Heathrow to control the spread of COVID-19?

New policies can now be found on Delta and Alaska Airlines to help keep travelers safe while flying. New policies for travelers booking flights from San Diego to London Heathrow include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from San Diego to London Heathrow have flexible cancellations due to COVID-19?

British Airways, American Airlines, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from San Diego to Heathrow for under $700 on Cheapflights?

Yes, there are multiple flights from San Diego to Heathrow for under $700. The cheapest flight booked recently is on Multiple Airlines for just $617, but on average you can expect to pay $661.

Are there nonstop flights from San Diego to Heathrow for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from San Diego to Heathrow under $700. A good price for a nonstop flight from San Diego to Heathrow is less than $820.

Are there last-minute flights available from San Diego to Heathrow for under $900?

There are currently 12+ open flights from San Diego to Heathrow within the next 7 days for less than $900.

Does it rain more in San Diego or Heathrow?

In San Diego, there will be same rainfall in San Diego compared to Heathrow over the next 12 days.

Is San Diego weather warmer or cooler than Heathrow?

Expect the weather to be around 81 °F on average in August. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Heathrow is generally colder than in San Diego.

How long is the flight from San Diego to Heathrow?

Departing from San Diego to Heathrow will take you 10h 25m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Currently priced at $648, British Airways will fly you from San Diego to Heathrow and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Austrian Airlines - these airlines can fly you to your destination from $662 and $667, respectively. Users have found that British Airways is 29% cheaper than the other options available to this destination.

Alternative routes for San Diego to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from San Diego to Heathrow
Today's exchange rate
$1 = £0.74
Flight duration
10h 47m
Average temperature for January in Heathrow
48.2 °F
Avg rainfall for January in Heathrow
2.1 ″

Airports servicing San Diego

Airports servicing London

Top 10 airlines flying from San Diego to Heathrow

The chart below displays the airlines Cheapflights users traveling from San Diego to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$97 $155 No cancel fee 75%
Brussels Airlines
$391 $570 No cancel fee N/A
United Airlines
$129 $584 No cancel fee 69%
Air France
$642 $868 No cancel fee 77%
KLM
$384 $871 No cancel fee 75%
Virgin Atlantic
$588 $975 No cancel fee 72%
Iberia
$412 $984 No cancel fee 77%
Delta
$384 $987 No cancel fee N/A
Finnair
$604 $990 No cancel fee 76%
Air Canada
$602 $1,069 No cancel fee 67%