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Cheap flights from San Diego to London Heathrow Airport from $256

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 3/5. 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 to London

The cheapest plane tickets to London found on KAYAK recently.
8:45 pm - 5:55 amSAN-LHR
25h 10m1 stop
8:25 am - 7:18 pmLHR-SAN
18h 53m1 stop
$569JetBlue
Find Deal
Mon, Jan 13 - Wed, Jan 29
9:37 pm - 8:45 pmSAN-LHR
15h 08m1 stop
8:25 am - 7:38 pmLHR-SAN
19h 13m1 stop
$572JetBlue
Find Deal
Mon, Feb 17 - Wed, Feb 26
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$664British Airways
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Wed, Apr 30 - Thu, May 8
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$665British Airways
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Wed, Apr 30 - Thu, May 8
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$671Iberia
Find Deal
Mon, Feb 17 - Wed, Feb 26
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
2:45 pm - 5:50 pmLHR-SAN
11h 05mnonstop
$674Iberia
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Sun, Mar 23 - Tue, Apr 1
7:35 am - 10:10 amSAN-LHR
18h 35m2 stops
8:45 am - 3:25 pmLHR-SAN
14h 40m1 stop
$686United Airlines
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Wed, Jan 15 - Wed, Jan 22
1:29 pm - 11:05 amSAN-LHR
13h 36m1 stop
7:40 am - 3:25 pmLHR-SAN
15h 45m1 stop
$689United Airlines
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Wed, Jan 8 - Wed, Jan 29
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$701American Airlines
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Mon, Feb 24 - Wed, Mar 5
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$729American Airlines
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Wed, Jan 8 - Thu, Jan 16
3:10 pm - 12:50 pmSAN-LHR
37h 40m2 stops
Wed, Mar 5
12:44 pm - 12:50 pmSAN-LHR
40h 06m2 stops
Tue, Jan 14
6:15 am - 12:50 pmSAN-LHR
22h 35m2 stops
Wed, Jan 15
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$419Iberia
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Wed, Mar 5
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$425Iberia
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Tue, Jan 14
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
$467British Airways
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Fri, Mar 21
7:43 pm - 6:40 amSAN-LHR
26h 57m3 stops
$483United Airlines
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Thu, Jan 16
9:35 am - 7:00 pmSAN-LHR
25h 25m2 stops
$526British Airways
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Wed, Jan 1
2:14 pm - 11:15 amSAN-LHR
13h 01m1 stop
$557United Airlines
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Thu, Jan 2
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
$853American Airlines
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Sun, Jun 1
3:50 pm - 10:10 amSAN-LHR
34h 20m1 stop
6:00 pm - 6:50 pmLHR-SAN
32h 50m2 stops
$1,265Air Canada
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Mon, Dec 23 - Thu, Jan 9
12:20 pm - 12:50 pmSAN-LHR
16h 30m1 stop
2:50 pm - 11:45 amLHR-SAN
28h 55m1 stop
$1,303WestJet
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Mon, Dec 23 - Fri, Jan 10
3:50 pm - 10:10 amSAN-LHR
34h 20m1 stop
3:00 pm - 10:30 pmLHR-SAN
39h 30m2 stops
$1,558United Airlines
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Mon, Dec 23 - Tue, Jan 7
8:05 pm - 7:30 amSAN-LHR
27h 25m2 stops
3:00 pm - 3:48 pmLHR-SAN
32h 48m2 stops
$1,562United Airlines
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Mon, Dec 23 - Tue, Jan 7
4:45 pm - 7:20 amSAN-LHR
30h 35m1 stop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$1,710British Airways
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Mon, Dec 23 - Mon, Dec 30
12:49 pm - 7:20 amSAN-LHR
34h 31m1 stop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$1,713British Airways
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Mon, Dec 23 - Mon, Dec 30
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
10:40 am - 9:03 pmLHR-SAN
18h 23m1 stop
$1,867Iberia
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Mon, Dec 23 - Fri, Jan 10
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$2,026Iberia
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Mon, Dec 23 - Mon, Dec 30
1:40 pm - 11:10 amSAN-LHR
13h 30m1 stop
11:30 am - 10:32 pmLHR-SAN
19h 02m2 stops
$2,568Delta
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Thu, Dec 19 - Mon, Dec 23
6:15 am - 6:20 amSAN-LHR
16h 05m2 stops
11:30 am - 10:32 pmLHR-SAN
19h 02m2 stops
$2,573Delta
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Thu, Dec 19 - Mon, Dec 23
7:50 pm - 2:20 pmSAN-LHR
10h 30mnonstop
11:30 am - 2:50 pmLHR-SAN
11h 20mnonstop
$664British Airways
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Wed, Apr 30 - Thu, May 8
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$671Iberia
Find Deal
Mon, Feb 17 - Wed, Feb 26
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 5:05 pmLHR-SAN
11h 15mnonstop
$672British Airways
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Mon, Mar 10 - Wed, Mar 19
7:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
2:45 pm - 5:50 pmLHR-SAN
11h 05mnonstop
$674Iberia
Find Deal
Sun, Mar 23 - Tue, Apr 1
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$688Finnair
Find Deal
Mon, Jan 13 - Wed, Jan 29
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$689Finnair
Find Deal
Sun, Jan 12 - Fri, Jan 24
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$701American Airlines
Find Deal
Mon, Feb 24 - Wed, Mar 5
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$729American Airlines
Find Deal
Wed, Jan 8 - Thu, Jan 16
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$979Alaska Airlines
Find Deal
Fri, Jan 31 - Fri, Feb 7
6:10 pm - 12:35 pmSAN-LHR
10h 25mnonstop
12:50 pm - 4:05 pmLHR-SAN
11h 15mnonstop
$1,330Alaska Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8

JetBlue flights from San Diego to London Heathrow Airport

Our best JetBlue deals on San Diego to London Heathrow Airport flight tickets
JetBlue
Jan 13
SAN8:45 pmSan Diego
25h 10m
1 stop
LHR5:55 amLondon Heathrow
Jan 29
LHR8:25 amLondon Heathrow
18h 53m
1 stop
SAN7:18 pmSan Diego
JetBlue
Feb 17
SAN9:37 pmSan Diego
15h 08m
1 stop
LHR8:45 pmLondon Heathrow
Feb 26
LHR8:25 amLondon Heathrow
19h 13m
1 stop
SAN7:38 pmSan Diego
JetBlue
Jan 14
SAN9:00 pmSan Diego
15h 45m
1 stop
LHR8:45 pmLondon Heathrow
Jan 28
LHR8:25 amLondon Heathrow
18h 53m
1 stop
SAN7:18 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
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
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
Mar 10
SAN7:10 pmSan Diego
10h 25m
LHR12:35 pmLondon Heathrow
Mar 19
LHR12:50 pmLondon Heathrow
11h 15m
SAN5:05 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 October is, on average, the cheapest month to fly to London Heathrow Airport from San Diego, with most prices found around $788. If you’re not able to fly to London Heathrow Airport in October, then November is your next best option. Flight prices from San Diego to London Heathrow Airport during November average around $808.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $868. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,016.

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?

We recommend purchasing flights from San Diego to London Heathrow Airport 44 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to London Heathrow Airport for $931. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $767.

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.

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

You could potentially save up to 38% on your flight if you consider stops on a San Diego to London Heathrow Airport flight.

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

As of December 2024, prices for San Diego to London Heathrow Airport flights are approximately 32% cheaper 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

$256

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 $256. The best round-trip flight deal from San Diego to London Heathrow Airport found on momondo in the last 72 hours is $569.
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
9,055 reviews
Search United Airlines flights
FinnairPriceFrom $586Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
LufthansaPriceFrom $596Free CancellationRating
6.8
7,091 reviews
Search Lufthansa flights
JetBluePriceFrom $597Free CancellationRating
7.4
3,279 reviews
Search JetBlue flights
IberiaPriceFrom $599Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $605Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $608Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
American AirlinesPriceFrom $650Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $657Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
DeltaPriceFrom $693Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Finnair Flights From San Diego to London Heathrow Airport

    Finnair 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 Finnair flight deal for San Diego to London Heathrow Airport starts from $586 round-trip, up to an average price of $675. Our users have rated Finnair at 7.7/10.

  • American Airlines Flights From San Diego to London Heathrow Airport

    $650 is the best American Airlines flight deal from San Diego to London Heathrow Airport found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $962, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into London Heathrow Airport from San Diego 7 times in an average week so prices can vary.


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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