Cheap flights from San Diego to London from £301

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 departing on 2/2. 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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Scandinavian Airlines Logo
15:32 - 21:20SAN-LHR
22h 48m3 stops
Scandinavian Airlines Logo
07:05 - 00:11LHR-SAN
25h 06m2 stops
£480Scandinavian Airlines
Find Deal
Tue, 24 Mar - Mon, 6 Apr
Scandinavian Airlines Logo
10:37 - 09:20SAN-LHR
38h 43m2 stops
Scandinavian Airlines Logo
06:40 - 22:47LHR-SAN
24h 07m2 stops
£481Scandinavian Airlines
Find Deal
Fri, 16 Jan - Thu, 22 Jan
Multiple Airlines Logo
12:45 - 11:50SAN-LHR
15h 05m1 stop
Multiple Airlines Logo
07:40 - 15:45LHR-SAN
16h 05m1 stop
£482Multiple Airlines
Find Deal
Wed, 25 Feb - Thu, 5 Mar
Multiple Airlines Logo
12:45 - 11:50SAN-LHR
15h 05m1 stop
Multiple Airlines Logo
20:15 - 15:45LHR-SAN
27h 30m1 stop
£483Multiple Airlines
Find Deal
Sun, 11 Jan - Tue, 27 Jan
British Airways Logo
13:19 - 11:40SAN-LHR
14h 21m1 stop
British Airways Logo
12:35 - 20:23LHR-SAN
15h 48m1 stop
£483British Airways
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Mon, 9 Feb - Mon, 16 Feb
Multiple Airlines Logo
16:00 - 11:50SAN-LHR
35h 50m2 stops
Multiple Airlines Logo
18:40 - 20:49LHR-SAN
34h 09m2 stops
£484Multiple Airlines
Find Deal
Tue, 6 Jan - Mon, 2 Feb
Multiple Airlines Logo
12:40 - 19:25SAN-LGW
23h 45m3 stops
Multiple Airlines Logo
12:15 - 16:45LGW-SAN
35h 30m2 stops
£484Multiple Airlines
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Mon, 9 Mar - Mon, 16 Mar
Finnair Logo
10:51 - 10:00SAN-LHR
15h 09m1 stop
Finnair Logo
12:50 - 16:10LHR-SAN
11h 20mdirect
£485Finnair
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Wed, 18 Feb - Mon, 23 Feb
Virgin Atlantic Logo
07:05 - 07:15SAN-LCY
16h 10m2 stops
Virgin Atlantic Logo
20:05 - 16:36LCY-SAN
28h 31m2 stops
£495Virgin Atlantic
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Mon, 12 Jan - Tue, 20 Jan
Virgin Atlantic Logo
13:45 - 16:40SAN-LCY
18h 55m2 stops
Virgin Atlantic Logo
20:15 - 11:50LCY-SAN
23h 35m1 stop
£498Virgin Atlantic
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Wed, 1 Apr - Wed, 8 Apr

British Airways flights from San Diego to London

Our best British Airways deals on San Diego to London flight tickets
British Airways
9 Feb
SAN13:19San Diego
14h 21m
1 stop
LHR11:40London Heathrow
16 Feb
LHR12:35London Heathrow
15h 48m
1 stop
SAN20:23San Diego
British Airways
16 Apr
SAN15:17San Diego
12h 58m
1 stop
LHR12:15London Heathrow
30 Apr
LHR11:35London Heathrow
11h 20m
SAN14:55San Diego
British Airways
30 Apr
SAN10:49San Diego
13h 16m
1 stop
LHR08:05London Heathrow
15 May
LHR11:35London Heathrow
11h 20m
SAN14:55San Diego

Finnair flights from San Diego to London

Our best Finnair deals on San Diego to London flight tickets
Finnair
18 Feb
SAN10:51San Diego
15h 09m
1 stop
LHR10:00London Heathrow
23 Feb
LHR12:50London Heathrow
11h 20m
SAN16:10San Diego
Finnair
11 Jan
SAN10:50San Diego
15h 10m
1 stop
LHR10:00London Heathrow
27 Jan
LHR12:50London Heathrow
11h 20m
SAN16:10San Diego

momondo Fare Finder

 
Customise your flight search to find flights from San Diego to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from San Diego to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 24/3

15:32-21:20

3 stops22h 48m

London Heathrow

Mon 6/4

07:05-00:11

2 stops25h 06m

£480

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Fri 16/1

10:37-09:20

2 stops38h 43m

London Heathrow

Thu 22/1

06:40-22:47

2 stops24h 07m

£481

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 25/2

12:45-11:50

1 stop15h 05m

London Heathrow

Thu 5/3

07:40-15:45

1 stop16h 05m

£482

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 11/1

12:45-11:50

1 stop15h 05m

London Heathrow

Tue 27/1

20:15-15:45

1 stop27h 30m

£483

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 9/2

13:19-11:40

1 stop14h 21m

London Heathrow

Mon 16/2

12:35-20:23

1 stop15h 48m

£483

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 6/1

16:00-11:50

2 stops35h 50m

London Heathrow

Mon 2/2

18:40-20:49

2 stops34h 09m

£484

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Mon 9/3

12:40-19:25

3 stops23h 45m

London Gatwick

Mon 16/3

12:15-16:45

2 stops35h 30m

£484

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 18/2

10:51-10:00

1 stop15h 09m

London Heathrow

Mon 23/2

12:50-16:10

Nonstop11h 20m

£485

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Mon 12/1

07:05-07:15

2 stops16h 10m

London City

Tue 20/1

20:05-16:36

2 stops28h 31m

£495

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Wed 1/4

13:45-16:40

2 stops18h 55m

London City

Wed 8/4

20:15-11:50

1 stop23h 35m

£498

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 London?

The cheapest month to fly to London from San Diego is in October. Flight prices, which tend to average around £524, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from San Diego averaging around £525.

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

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £487. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to London for around £961.

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

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £575. Flights in the afternoon are often more expensive, with an average ticket price of £768.

What is the cheapest San Diego to London flight route?

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

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

You are more likely to see cheaper flights to London from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £678 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Diego for as low as £562 on momondo.

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

There are 3 cabin classes available to choose from on San Diego to London 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 flights?

You could potentially save up to 35% on your flight if you consider stops on a San Diego to London flight.

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

As of November 2025, prices for San Diego to London flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to London

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

Cheap San Diego to London (SAN to LON) flight deals and tips

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

Best price found

£366

Fastest flight time

10h 35m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from San Diego in the past 72 hours is £366. The best return flight deal from San Diego to London found on momondo in the last 72 hours is £743.
The fastest flight from San Diego to London takes 10h 35m
Direct flights go from San Diego to London every day.
There is 1 airport near London: London Heathrow (LHR)
  • How far is San Diego to London by plane?

    San Diego and London are 5478.3 mi apart from one another. 10h 35m is a normal flight duration for this route.

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

    Prices for flights from San Diego Airport to London are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to London.

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

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from San Diego to London

Compare and see reviews for airlines that fly from San Diego to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £517Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
  • British Airways Flights From San Diego to London

    Across 5 British Airways flights from San Diego to London this week, the average price was £782, with the best British Airways deals starting from £517 round-trip. 7,539 users have rated British Airways on momondo, with an average score of 6.7/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
Bedford
Winchester

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to London. momondo saves you time and could save you money on your trip.

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

All flight searches from San Diego to London on momondo can be filtered to show those which offer flexible booking policies.

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 simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from San Diego and alert you when they change.

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1 adult
Sat 27/12
Sat 3/1

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London