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Cheap flights from San Diego to London Heathrow Airport from $228

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London Heathrow Airport departing on 2/25. 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 San Diego to London

Cheap round-trip flights

These are some of the best round-trip flight deals from San Diego to London 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 San Diego to London.

Cheap last minute flights

Planning a quick getaway from San Diego to London? 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 London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Diego to London

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

All round-trip flight deals from San Diego to London

The cheapest plane tickets from San Diego to London found on KAYAK recently.
9:37 pm - 8:45 pmSAN-LHR
16h 08m1 stop
7:25 am - 8:27 pmLHR-SAN
20h 02m1 stop
$580JetBlue
Find Deal
Mon, Mar 17 - Wed, Mar 26
9:37 pm - 8:45 pmSAN-LHR
16h 08m1 stop
7:25 am - 8:27 pmLHR-SAN
20h 02m1 stop
$581JetBlue
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Mon, Mar 10 - Wed, Mar 19
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$588Iberia
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Mon, Mar 3 - Tue, Mar 11
9:52 am - 7:20 amSAN-LHR
13h 28m1 stop
10:40 am - 9:07 pmLHR-SAN
17h 27m1 stop
$593Iberia
Find Deal
Mon, Mar 3 - Tue, Mar 11
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$626British Airways
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Sun, Feb 2 - Tue, Feb 18
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$632British Airways
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Wed, Apr 30 - Thu, May 8
12:40 pm - 9:40 amSAN-LHR
13h 00m1 stop
8:45 am - 3:25 pmLHR-SAN
14h 40m1 stop
$641United Airlines
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Sun, Feb 2 - Fri, Feb 21
5:30 pm - 7:25 amSAN-LHR
29h 55m1 stop
1:00 pm - 3:05 pmLHR-SAN
34h 05m1 stop
$643United Airlines
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Tue, Feb 4 - Tue, Feb 11
1:50 pm - 12:00 pmSAN-LHR
15h 10m1 stop
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$662American Airlines
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Sun, Mar 23 - Wed, Apr 2
4:30 pm - 1:20 pmSAN-LHR
12h 50m1 stop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$761American Airlines
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Fri, Jan 31 - Mon, Feb 3
8:10 am - 12:50 pmSAN-LHR
44h 40m2 stops
Tue, Feb 25
8:10 am - 12:50 pmSAN-LHR
44h 40m2 stops
Tue, Feb 25
11:21 am - 9:30 amSAN-LHR
14h 09m1 stop
$345JetBlue
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Tue, Feb 25
9:37 pm - 8:45 pmSAN-LHR
15h 08m1 stop
$363JetBlue
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Mon, Feb 17
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$379Iberia
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Mon, Feb 3
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$398British Airways
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Wed, Mar 5
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
$415Iberia
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Tue, Apr 29
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$417British Airways
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Sun, Feb 23
7:45 pm - 7:30 amSAN-LHR
27h 45m2 stops
$428United Airlines
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Sat, Feb 22
7:43 pm - 7:30 amSAN-LHR
27h 47m2 stops
$471United Airlines
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Thu, Feb 6
9:00 pm - 8:45 pmSAN-LHR
15h 45m1 stop
7:25 am - 7:45 pmLHR-SAN
20h 20m1 stop
$730JetBlue
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Fri, Jan 24 - Fri, Jan 31
9:00 pm - 8:45 pmSAN-LHR
15h 45m1 stop
7:25 am - 7:45 pmLHR-SAN
20h 20m1 stop
$731JetBlue
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Fri, Jan 24 - Fri, Jan 31
10:58 am - 4:00 pmSAN-LHR
21h 02m2 stops
6:40 am - 10:51 pmLHR-SAN
24h 11m3 stops
$748Scandinavian Airlines
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Fri, Jan 24 - Sun, Jan 26
9:29 am - 7:20 amSAN-LHR
13h 51m1 stop
7:20 am - 8:10 pmLHR-SAN
20h 50m2 stops
$942Iberia
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Fri, Jan 24 - Sun, Jan 26
7:30 pm - 10:10 amSAN-LHR
30h 40m1 stop
3:00 pm - 10:30 pmLHR-SAN
39h 30m2 stops
$992United Airlines
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Sat, Jan 25 - Sun, Feb 2
7:43 pm - 7:30 amSAN-LHR
27h 47m2 stops
3:00 pm - 10:30 pmLHR-SAN
39h 30m2 stops
$996United Airlines
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Sat, Jan 25 - Sun, Feb 2
8:25 am - 6:20 amSAN-LHR
13h 55m1 stop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$998British Airways
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Fri, Jan 24 - Fri, Jan 31
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$1,020Iberia
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Fri, Jan 24 - Fri, Jan 31
3:01 pm - 6:20 amSAN-LHR
31h 19m1 stop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$1,021British Airways
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Sat, Jan 25 - Sun, Feb 2
1:25 pm - 1:10 pmSAN-LHR
15h 45m1 stop
6:30 am - 6:51 pmLHR-SAN
20h 21m2 stops
$6,686Delta
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Fri, Jan 24 - Tue, Feb 4
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$588Iberia
Find Deal
Mon, Mar 3 - Tue, Mar 11
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$629Iberia
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Mon, Mar 10 - Wed, Mar 19
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$630British Airways
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Mon, Mar 10 - Wed, Mar 19
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
2:45 pm - 5:50 pmLHR-SAN
11h 05mnonstop
$632Iberia
Find Deal
Tue, Apr 8 - Tue, Apr 22
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$644Finnair
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Sun, Feb 2 - Tue, Feb 18
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$645Finnair
Find Deal
Sun, Feb 2 - Tue, Feb 18
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$648British Airways
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Wed, Apr 23 - Wed, Apr 30
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$655American Airlines
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Wed, Mar 5 - Tue, Mar 18
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$656American Airlines
Find Deal
Sun, Feb 2 - Tue, Feb 18
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$945Alaska Airlines
Find Deal
Thu, Mar 6 - Thu, Mar 13

Scandinavian Airlines flights from San Diego to London Heathrow Airport

Our best Scandinavian Airlines deals on San Diego to London Heathrow Airport flight tickets
Scandinavian Airlines
Mar 11
SAN10:55 amSan Diego
27h 45m
2 stops
LHR9:40 pmLondon Heathrow
Mar 24
LHR6:40 amLondon Heathrow
24h 04m
2 stops
SAN11:44 pmSan Diego
Scandinavian Airlines
Feb 4
SAN6:30 amSan Diego
28h 20m
3 stops
LHR6:50 pmLondon Heathrow
Feb 11
LHR6:40 amLondon Heathrow
24h 11m
2 stops
SAN10:51 pmSan Diego
Scandinavian Airlines
Feb 26
SAN10:58 amSan Diego
21h 02m
2 stops
LHR4:00 pmLondon Heathrow
Mar 11
LHR7:05 amLondon Heathrow
21h 20m
3 stops
SAN9:25 pmSan Diego

British Airways flights from San Diego to London Heathrow Airport

Our best British Airways deals on San Diego to London Heathrow Airport flight tickets
British Airways
Feb 2
SAN6:10 pmSan Diego
10h 25m
LHR12:35 pmLondon Heathrow
Feb 18
LHR12:50 pmLondon Heathrow
11h 15m
SAN4:05 pmSan Diego
British Airways
Apr 30
SAN7:50 pmSan Diego
10h 30m
LHR2:20 pmLondon Heathrow
May 8
LHR11:30 amLondon Heathrow
11h 20m
SAN2:50 pmSan Diego
British Airways
Feb 17
SAN6:10 pmSan Diego
10h 25m
LHR12:35 pmLondon Heathrow
Feb 24
LHR9:55 amLondon Heathrow
40h 03m
2 stops
SAN5:58 pmSan Diego

See travel insights to London from

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

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 typical price of a round-trip flight between San Diego and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from San Diego, with most prices found around $761. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from San Diego to London Heathrow Airport during October average around $790.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $941. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,130.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from San Diego to London Heathrow Airport at noon for as low as $908. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $985.

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

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

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

You are more likely to see cheaper flights to London Heathrow Airport from San Diego when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $926 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Diego for as low as $827 on momondo.

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

There are 4 cabin classes available to choose from on San Diego to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of January 2025, prices for San Diego to London Heathrow Airport flights are approximately 60% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to London Heathrow Airport

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

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

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

Best Price Found

$228

Fastest flight time

10h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from San Diego in the past 72 hours is $228. The best round-trip flight deal from San Diego to London Heathrow Airport found on momondo in the last 72 hours is $580.
The fastest flight from San Diego to London Heathrow Airport takes 10h 25m
Direct flights go from San Diego to London Heathrow Airport every day.

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

    London Heathrow is 5468.7 mi away from San Diego. Typically, this will take 10h 25m by plane in normal conditions.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from San Diego to London Heathrow Airport

Compare and see reviews for airlines that fly from San Diego to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $584Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
FinnairPriceFrom $595Free CancellationRating
7.6
1,286 reviews
Search Finnair flights
LufthansaPriceFrom $596Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
IberiaPriceFrom $600Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $605Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $608Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
American AirlinesPriceFrom $649Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $652Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
British AirwaysPriceFrom $656Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
DeltaPriceFrom $693Free CancellationRating
8.0
8,521 reviews
Search Delta flights
  • Alaska Airlines Flights From San Diego to London Heathrow Airport

    Alaska Airlines is one of the most popular airlines flying from San Diego to London Heathrow Airport, operating 7 flights/week on average for this route. A good Alaska Airlines flight deal for San Diego to London Heathrow Airport starts from $828 round-trip, up to an average price of $948. Our users have rated Alaska Airlines at 8.0/10.

  • Finnair Flights From San Diego to London Heathrow Airport

    $595 is the best Finnair flight deal from San Diego to London Heathrow Airport found on momondo over the last 72 hours. The average Finnair ticket price found was closer to $692, however, with flight time and availability significantly affecting the price. Finnair (7.6/10 from 1,286 user reviews) flies into London Heathrow Airport from San Diego 7 times in an average week so prices can vary.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Slough
Luton
Ipswich
Hayes
Stansted
Ilford
Guildford
Canterbury
Salisbury
Swindon
Horley
Dover
Milton Keynes
Dartford
Colchester
Wembley
Poole

Why use momondo?

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

It is quick and easy to find San Diego to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from San Diego with this policy.

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

momondo helps you find the best flight between San Diego and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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


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