Cheap flights from San Diego (SAN) to Heathrow (LHR) from $287

This is the cheapest one-way flight price, found on 9/28. Prices may vary by date and flight preferences.
SAN — LHR
Oct 3 — Oct 101

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

All the information you need to plan the best SAN to LHR flight in 2023: compare San Diego to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

Popular in

July

Cheapest in

March

Round-trip from

$618

One-way from

$287
High demand for flights, 38% potential price rise
Best time to find cheap flights, 28% potential price drop
From San Diego to London Heathrow
One-way flight from San Diego to London Heathrow

SAN - LON

Price

$618 - $1,177

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

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

Find a great deal and save up to 36% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Diego to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at $1,361.

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

The best pricing can be found in the month of February. Prices to London Heathrow Airport from San Diego average $1,027. You can even find prices in February for less than $1,027, as users have found deals to London Heathrow Airport from as low as $624. The month of July appears to be one of the more expensive times to travel to London Heathrow Airport from San Diego. Flying in the targeted month can save you up to 56%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to London Heathrow Airport as you normally would.

Cheap Virgin Atlantic flights from San Diego to Heathrow

Check out some of the cheapest Virgin Atlantic flights we've come across from San Diego to London. Come back soon if you're not finding the exact deal you're looking for.
  • If you’re traveling from San Diego to London Heathrow Airport, one of the more common airlines traveling that route is Virgin Atlantic. Flights from Virgin Atlantic traveling this route typically cost $741.35 RT. This price is typically 91% more expensive than other airlines that offer San Diego to London Heathrow Airport flights. When booking this route, the cheapest RT price found was $570. The most popular departure airport in San Diego when flying to London Heathrow Airport is San Diego Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from San Diego to London Heathrow Airport, Virgin Atlantic flights are 4% more popular than any other airline flying that same route.

Cheap United Airlines flights from San Diego to Heathrow

Take a gander at the lowest prices we've found on United Airlines flights from San Diego to London. Check back soon if you're not seeing flights that suit your needs.
  • If you’re traveling from San Diego to London Heathrow Airport, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $1,101.08 RT. This price is typically 57% more expensive than other airlines that offer San Diego to London Heathrow Airport flights. When booking this route, the cheapest RT price found was $661. The most popular departure airport in San Diego when flying to London Heathrow Airport is San Diego Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from San Diego to London Heathrow Airport, United Airlines flights are 0% more popular than any other airline flying that same route.

Cheap San Diego to Heathrow flights in September & October 2023

The best prices found for SAN to LHR flights for September, October
Check out some of the best flight deals from San Diego to London in 2023. Check back soon for alternative fares.

San Diego to Heathrow 2023 flight deals

Cheap flights to Heathrow from San Diego found for this year
Check out some of the best flight deals from San Diego to London in 2023. Check back soon for alternative fares.

Non-stop flights to Heathrow from San Diego

Save time with San Diego to Heathrow direct flight deals
For a quicker trip, book one of these direct flights from San Diego to London. Search for alternative flights from San Diego to London by utilizing the search form above.

San Diego to Heathrow flights leaving soon

Late deals on return flights to Heathrow from San Diego, departing today and this week
Users seeking a last-minute flight from San Diego to London should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Heathrow from San Diego

The cheapest one-way flights from San Diego to Heathrow
If you're seeking multiple options on one-way flights from San Diego to London, be sure to check out these deals, which are updated often. Those seeking round-trip flights from San Diego to London should utilize the search form at the the top of the page.

Find flights from San Diego to Heathrow within your budget

Use the slider to find flights from San Diego to Heathrow that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$619 - $678

Route

Depart

Return

Price

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Mon 10/23

2 stops20h 25m

London Heathrow

Tue 11/14

2 stops30h 13m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Mon 10/23

1 stop15h 14m

London Heathrow

Tue 11/14

1 stop14h 40m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Tue 11/7

1 stop14h 10m

London Heathrow

Tue 11/21

2 stops17h 57m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Tue 11/7

1 stop14h 30m

London Heathrow

Tue 11/14

1 stop14h 40m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Mon 10/23

Nonstop10h 25m

London Heathrow

Tue 11/14

1 stop16h 48m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Mon 10/16

Nonstop10h 25m

London Heathrow

Tue 10/24

1 stop14h 57m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Mon 10/23

1 stop14h 20m

London Heathrow

Tue 11/7

2 stops18h 40m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Mon 10/23

1 stop15h 15m

London Heathrow

Tue 11/7

1 stop14h 32m

San DiegoLondon Heathrow

SAN - LHR

SANLHR

San Diego

Tue 12/12

2 stops17h 40m

London Heathrow

Wed 12/20

1 stop14h 33m

Flights are sorted by cheapest first

Deals found on 9/26

Reviews of airlines servicing Heathrow

See what other customers who have flown with Virgin Atlantic, United Airlines and British Airways 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
7.9
Good
3,023 reviews

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

We got returned to the gate because of a disruptive passenger and didn’t take off until 45 minutes later than scheduled but landed only 15 minutes late. All handled well.

Delta
7.9
Good
3,023 reviews
Delta
7.9
Good
3,023 reviews

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

We got returned to the gate because of a disruptive passenger and didn’t take off until 45 minutes later than scheduled but landed only 15 minutes late. All handled well.

Air France
7.6
Good
274 reviews
Delta
7.9
Good
3,023 reviews

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

We got returned to the gate because of a disruptive passenger and didn’t take off until 45 minutes later than scheduled but landed only 15 minutes late. All handled well.

Ethiopian Air
7.5
Good
125 reviews
Delta
7.9
Good
3,023 reviews

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

We got returned to the gate because of a disruptive passenger and didn’t take off until 45 minutes later than scheduled but landed only 15 minutes late. All handled well.

Finnair
7.5
Good
342 reviews
Delta
7.9
Good
3,023 reviews

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

We got returned to the gate because of a disruptive passenger and didn’t take off until 45 minutes later than scheduled but landed only 15 minutes late. All handled well.

KLM
7.5
Good
196 reviews
Delta
7.9
Good
3,023 reviews

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

We got returned to the gate because of a disruptive passenger and didn’t take off until 45 minutes later than scheduled but landed only 15 minutes late. All handled well.

Related info for your journey

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

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 12 airlines. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

Yes, there are multiple flights from San Diego to London Heathrow Airport for under $700. The cheapest flight booked recently is on Air Canada for just $619, but on average you can expect to pay $652.

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

Cheapflights has at least 20 direct flights from San Diego to London Heathrow Airport under $700. A good price for a nonstop flight from San Diego to London Heathrow Airport is less than $724.

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

There are currently 20+ open flights from San Diego to London Heathrow Airport within the next 7 days for less than $900.

What days are nonstop flights available from San Diego to London Heathrow Airport?

You can find nonstop flights on the following days: Thursday.

How many flights depart from San Diego to London Heathrow Airport on average per day?

5 flight departures from San Diego to London Heathrow Airport per day on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from San Diego to London Heathrow Airport?

Air Canada, United Airlines, and Lufthansa can get you from San Diego to London Heathrow Airport in just under 14h 30m. Your travel time can differ by up to 5h 55m. There are 5503 mi between San Diego and London Heathrow Airport. 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 London Heathrow Airport round-trip?

Air Canada, at $619, was found to be the cheapest airline from San Diego to London Heathrow Airport.Alternate airlines to your destination round-trip include United Airlines and Lufthansa. Air Canada is priced at 40% lower than the current average price of a flight leaving 3 months from now.

What are the most popular airlines that fly from San Diego to London Heathrow Airport?

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 American Airlines (82%), Aer Lingus (82%) and Finnair (82%).

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

The cheapest flight price from San Diego to London Heathrow Airport is $577. On average you can expect to pay $1,686. The most popular route, (San Diego - London Heathrow), can usually be booked for $637.

What does SAN to LHR mean?

This is defined as San Diego Airport (SAN) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

Alternative routes for San Diego to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$366Average$810FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$560Average$729FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest$570Average$741FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest$619Average$1,158FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IberiaCheapest$634Average$949FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$653Average$1,026FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$661Average$1,101FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$662Average$982FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest$678Average$1,139FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest$698Average$859FlexibilityNo cancel feeOn-time77%
Search Air France flights

Hourly flight availability from San Diego to Heathrow

See what time of day planes typically take off from San Diego to Heathrow
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Diego to Heathrow

See how many times per day planes take to the skies headed from San Diego to Heathrow
Sunday5daily flights
Monday5daily flights
Tuesday5daily flights
Wednesday5daily flights
Thursday5daily flights
Friday5daily flights
Saturday5daily flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from San Diego today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego to Heathrow.

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 essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Heathrow from San Diego today and book when you’re ready!

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.