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Cheap flights from London Heathrow Airport to San Diego from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Diego departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to San Diego.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to San Diego

Find recent round-trip train or bus tickets from London Heathrow Airport to San Diego.

All round-trip flight deals to San Diego

The cheapest plane tickets to San Diego found on KAYAK recently.
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
Fri, Jan 31 - Sat, Feb 15
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
11:10 am - 8:15 amSAN-LHR
13h 05m1 stop
Fri, Jan 31 - Sat, Feb 15
2:50 pm - 11:45 amLHR-SAN
28h 55m1 stop
12:35 pm - 12:50 pmSAN-LHR
16h 15m1 stop
$532WestJet
Find Deal
Sun, Jan 19 - Mon, Jan 27
2:50 pm - 11:45 amLHR-SAN
28h 55m1 stop
12:35 pm - 12:50 pmSAN-LHR
16h 15m1 stop
$579WestJet
Find Deal
Fri, Jan 17 - Sat, Jan 25
12:15 pm - 3:25 pmLHR-SAN
11h 10mnonstop
8:00 pm - 2:30 pmSAN-LHR
10h 30mnonstop
$666British Airways
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Tue, May 6 - Mon, May 19
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$667Iberia
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Thu, Feb 6 - Sat, Feb 15
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
7:40 am - 7:00 amSAN-LHR
15h 20m1 stop
$688American Airlines
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Fri, Jan 17 - Fri, Jan 24
2:30 pm - 9:39 pmLHR-SAN
15h 09m1 stop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$693American Airlines
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Thu, Dec 5 - Mon, Dec 9
3:35 pm - 10:39 pmLHR-SAN
15h 04m1 stop
8:00 pm - 2:30 pmSAN-LHR
10h 30mnonstop
$707Iberia
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Tue, May 6 - Tue, May 20
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
9:30 am - 5:45 pmSAN-LHR
24h 15m2 stops
$709British Airways
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Wed, Dec 11 - Wed, Dec 18
3:15 pm - 6:58 pmLHR-SAN
59h 43m3 stops
Wed, Jan 22
2:50 pm - 11:46 amLHR-SAN
28h 56m1 stop
$371WestJet
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Sat, Feb 8
9:25 pm - 10:47 pmLHR-SAN
57h 22m2 stops
$606Icelandair
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Mon, Apr 14
7:40 am - 3:25 pmLHR-SAN
15h 45m1 stop
$631Lufthansa
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Wed, Jan 29
8:45 am - 3:25 pmLHR-SAN
14h 40m1 stop
$632Lufthansa
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Mon, Jan 27
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$716Iberia
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Thu, Feb 6
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$717Iberia
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Mon, Jan 27
3:00 pm - 6:10 pmLHR-SAN
11h 10mnonstop
$729British Airways
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Mon, May 19
11:00 am - 7:15 pmLHR-SAN
16h 15m1 stop
$735British Airways
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Thu, Mar 6
12:15 pm - 10:37 pmLHR-SAN
17h 22m2 stops
$936Icelandair
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Mon, Mar 10
11:45 am - 10:52 pmLHR-SAN
19h 07m2 stops
6:30 am - 7:05 amSAN-LHR
16h 35m2 stops
$594Delta
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Tue, Nov 26 - Tue, Dec 3
10:45 am - 4:08 pmLHR-SAN
13h 23m1 stop
10:35 am - 9:45 amSAN-LHR
15h 10m1 stop
$627Delta
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Tue, Nov 26 - Tue, Dec 3
3:10 pm - 8:37 amLHR-SAN
25h 27m2 stops
8:00 am - 10:50 amSAN-LHR
18h 50m1 stop
$632United Airlines
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Sat, Nov 23 - Mon, Nov 25
10:20 am - 6:01 pmLHR-SAN
15h 41m1 stop
1:45 pm - 11:10 amSAN-LHR
13h 25m1 stop
$645Virgin Atlantic
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Tue, Nov 26 - Tue, Dec 3
11:50 am - 9:04 pmLHR-SAN
17h 14m1 stop
6:45 am - 8:35 amSAN-LHR
17h 50m2 stops
$671Iberia
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Tue, Nov 26 - Tue, Dec 3
8:20 am - 3:55 pmLHR-SAN
15h 35m1 stop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$690British Airways
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Sat, Nov 23 - Tue, Dec 3
10:15 am - 7:25 pmLHR-SAN
17h 10m1 stop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$692British Airways
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Tue, Nov 26 - Tue, Dec 3
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$729Iberia
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Tue, Nov 26 - Wed, Dec 4
1:00 pm - 11:05 amLHR-SAN
30h 05m1 stop
7:00 am - 11:15 amSAN-LHR
20h 15m1 stop
$735United Airlines
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Mon, Nov 25 - Mon, Dec 30
10:45 am - 6:05 pmLHR-SAN
15h 20m1 stop
6:15 am - 6:20 amSAN-LHR
16h 05m1 stop
$9,839Virgin Atlantic
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Tue, Nov 26 - Tue, Dec 3
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
Fri, Jan 31 - Sat, Feb 15
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
8:25 pm - 2:55 pmSAN-LHR
10h 30mnonstop
$650British Airways
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Thu, Mar 20 - Thu, May 1
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$653British Airways
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Sat, Feb 1 - Sat, Feb 15
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$659British Airways
Find Deal
Mon, Jan 13 - Sun, Jan 26
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$667Iberia
Find Deal
Thu, Feb 6 - Sat, Feb 15
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$668Finnair
Find Deal
Thu, Mar 6 - Sun, Mar 16
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$669Iberia
Find Deal
Sat, Feb 1 - Sat, Feb 15
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$672Finnair
Find Deal
Sat, Feb 1 - Thu, Feb 6
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$699American Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$719American Airlines
Find Deal
Tue, Dec 10 - Sun, Dec 15

Delta flights from London Heathrow Airport to San Diego

Our best Delta deals on London Heathrow Airport to San Diego flight tickets
Delta
Nov 27
LHR8:40 amLondon Heathrow
19h 43m
2 stops
SAN8:23 pmSan Diego
Dec 2
SAN6:40 amSan Diego
16h 25m
2 stops
LHR7:05 amLondon Heathrow
Delta
Dec 3
LHR6:30 amLondon Heathrow
20h 35m
2 stops
SAN7:05 pmSan Diego
Dec 10
SAN1:45 pmSan Diego
13h 25m
1 stop
LHR11:10 amLondon Heathrow
Delta
Feb 6
LHR6:30 amLondon Heathrow
19h 29m
2 stops
SAN5:59 pmSan Diego
Feb 15
SAN7:10 amSan Diego
15h 15m
1 stop
LHR6:25 amLondon Heathrow

British Airways flights from London Heathrow Airport to San Diego

Our best British Airways deals on London Heathrow Airport to San Diego flight tickets
British Airways
May 6
LHR12:15 pmLondon Heathrow
11h 10m
SAN3:25 pmSan Diego
May 19
SAN8:00 pmSan Diego
10h 30m
LHR2:30 pmLondon Heathrow
British Airways
Nov 26
LHR10:15 amLondon Heathrow
17h 10m
1 stop
SAN7:25 pmSan Diego
Dec 3
SAN6:10 pmSan Diego
10h 25m
LHR12:35 pmLondon Heathrow
British Airways
Dec 11
LHR12:50 pmLondon Heathrow
11h 15m
SAN4:05 pmSan Diego
Dec 18
SAN9:30 amSan Diego
24h 15m
2 stops
LHR5:45 pmLondon Heathrow

See travel insights to San Diego from

How to get the cheapest flight ticket from London Heathrow Airport to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $623.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from London Heathrow Airport to San Diego is on a Thursday. Travelers who choose to depart for San Diego on a Thursday will often find tickets for as low as $700. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $794. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $0. Flights in the morning are often more expensive with an average ticket price of $757.

What is the cheapest London Heathrow to San Diego flight route?

Fly from London Heathrow to San Diego for the best London Heathrow - San Diego flight prices

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

Most flyers found that booking tickets 44 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $752. However, in the past 72 hours, people saw flights from London Heathrow Airport for as low as $634.

What cabin class options are available on London Heathrow to San Diego flights?

There are 3 cabin classes available to choose from on London Heathrow to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to San Diego flights?

You could potentially save up to 48% on your flight if you consider stops on a London Heathrow Airport to San Diego flight.

How have London Heathrow Airport to San Diego flight prices changed over time?

As of November 2024, prices for London Heathrow Airport to San Diego flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to San Diego (LHR to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Diego

Best Price Found

$340

Fastest flight time

11h 05m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from London Heathrow Airport in the past 72 hours is $340. The best round-trip flight deal from London Heathrow Airport to San Diego found on momondo in the last 72 hours is $526.
The fastest flight from London Heathrow Airport to San Diego takes 11h 05m
Direct flights go from London Heathrow Airport to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is London Heathrow to San Diego by plane?

    A flight from London Heathrow to San Diego will travel around 5468.7 mi. A reasonable flight in good conditions will take 11h 05m.

  • When did momondo last update prices for flights from London Heathrow Airport to San Diego Airport?

    Prices for flights from London Heathrow Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to San Diego Airport?

  • How old do you have to be to fly from London Heathrow Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to San Diego?

  • What is the most popular airline from London Heathrow Airport to San Diego?


Best airlines flying from London Heathrow Airport to San Diego

Compare and see reviews for airlines that fly from London Heathrow Airport to San Diego with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $544Free CancellationRating
6.6
6,831 reviews
Search British Airways flights
American AirlinesPriceFrom $563Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $576Free CancellationRating
7.0
2,661 reviews
Search Iberia flights
  • American Airlines Flights From London Heathrow Airport to San Diego

    American Airlines is one of the most popular airlines flying from London Heathrow Airport to San Diego, operating 7 flights/week on average for this route. A good American Airlines flight deal for London Heathrow Airport to San Diego starts from $563 round-trip, up to an average price of $748. Our users have rated American Airlines at 7.2/10.

  • British Airways Flights From London Heathrow Airport to San Diego

    Across 6,831 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London Heathrow Airport to San Diego about 7 times each week, with ticket deals ranging from $544 to $765. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from London to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from London.

Can I find flights from London to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from London.

I’m not ready to book a flight from London to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.


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