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Cheap flights from San Diego to the United Kingdom from £220

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 the United Kingdom departing on 3/8. 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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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
07:00 - 06:20
SAN
-
LHR
15h 20m
1 stop
Delta Logo
06:30 - 11:50
LHR
-
SAN
13h 20m
1 stop
£637Delta
Tue, 8 Sep - Thu, 24 Sep
KLM Logo
14:00 - 13:15
SAN
-
LHR
15h 15m
1 stop
KLM Logo
06:30 - 11:50
LHR
-
SAN
13h 20m
1 stop
£638KLM
Tue, 22 Sep - Tue, 29 Sep
Multiple Airlines Logo
13:45 - 12:20
SAN
-
LHR
15h 35m
1 stop
Multiple Airlines Logo
08:45 - 15:45
LHR
-
SAN
15h 00m
1 stop
£639Multiple Airlines
Tue, 27 Oct - Tue, 17 Nov
Multiple Airlines Logo
07:15 - 15:05
SAN
-
LHR
23h 50m
1 stop
Multiple Airlines Logo
06:55 - 15:25
LHR
-
SAN
16h 30m
1 stop
£641Multiple Airlines
Sun, 20 Sep - Wed, 30 Sep
British Airways Logo
16:45 - 16:30
SAN
-
EDI
15h 45m
1 stop
British Airways Logo
21:15 - 14:55
EDI
-
SAN
25h 40m
1 stop
£641British Airways
Tue, 8 Sep - Tue, 22 Sep
British Airways Logo
16:45 - 16:50
SAN
-
GLA
16h 05m
1 stop
British Airways Logo
09:40 - 17:50
GLA
-
SAN
16h 10m
1 stop
£644British Airways
Sun, 23 Aug - Thu, 3 Sep
Scandinavian Airlines Logo
07:00 - 16:00
SAN
-
LHR
25h 00m
2 stops
Scandinavian Airlines Logo
06:40 - 23:43
LHR
-
SAN
25h 03m
2 stops
£644Scandinavian Airlines
Tue, 22 Sep - Tue, 29 Sep
Scandinavian Airlines Logo
11:05 - 18:30
SAN
-
LHR
23h 25m
2 stops
Scandinavian Airlines Logo
06:40 - 17:59
LHR
-
SAN
19h 19m
2 stops
£646Scandinavian Airlines
Tue, 15 Sep - Tue, 6 Oct
American Airlines Logo
16:45 - 17:35
SAN
-
EDI
16h 50m
1 stop
American Airlines Logo
11:25 - 20:34
EDI
-
SAN
17h 09m
1 stop
£657American Airlines
Mon, 14 Sep - Tue, 22 Sep
American Airlines Logo
16:22 - 18:45
SAN
-
GLA
18h 23m
2 stops
American Airlines Logo
08:35 - 14:55
GLA
-
SAN
14h 20m
1 stop
£659American Airlines
Sun, 23 Aug - Thu, 3 Sep

Scandinavian Airlines flights from San Diego to United Kingdom

Our best Scandinavian Airlines deals on San Diego to United Kingdom flight tickets
Scandinavian Airlines
22 Sept
SAN07:00San Diego
25h 00m
2 stops
LHR16:00London Heathrow
29 Sept
LHR06:40London Heathrow
25h 03m
2 stops
SAN23:43San Diego
£644
Scandinavian Airlines
15 Sept
SAN11:05San Diego
23h 25m
2 stops
LHR18:30London Heathrow
6 Oct
LHR06:40London Heathrow
19h 19m
2 stops
SAN17:59San Diego
£646
Scandinavian Airlines
12 Sept
SAN11:05San Diego
22h 35m
2 stops
LHR17:40London Heathrow
22 Sept
LHR07:05London Heathrow
24h 38m
3 stops
SAN23:43San Diego
£652

KLM flights from San Diego to United Kingdom

Our best KLM deals on San Diego to United Kingdom flight tickets
KLM
22 Sept
SAN14:00San Diego
15h 15m
1 stop
LHR13:15London Heathrow
29 Sept
LHR06:30London Heathrow
13h 20m
1 stop
SAN11:50San Diego
£638
KLM
1 Aug
SAN14:18San Diego
14h 57m
1 stop
LHR13:15London Heathrow
25 Aug
LHR06:30London Heathrow
13h 20m
1 stop
SAN11:50San Diego
£671
KLM
1 Aug
SAN14:18San Diego
14h 57m
1 stop
LHR13:15London Heathrow
25 Aug
LHR06:30London Heathrow
13h 20m
1 stop
SAN11:50San Diego
£675

momondo Fare Finder

 
Customise your flight search to find flights from San Diego to United Kingdom 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 3 May 2026.
Use the filters below to find and compare flights from San Diego to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 8/9

07:00-06:20

1 stop15h 20m

London Heathrow

Thu 24/9

06:30-11:50

1 stop13h 20m

£637
Fastest return journey

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 22/9

14:00-13:15

1 stop15h 15m

London Heathrow

Tue 29/9

06:30-11:50

1 stop13h 20m

£638

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 27/10

13:45-12:20

1 stop15h 35m

London Heathrow

Tue 17/11

08:45-15:45

1 stop15h 00m

£639

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 20/9

07:15-15:05

1 stop23h 50m

London Heathrow

Wed 30/9

06:55-15:25

1 stop16h 30m

£641

San DiegoEdinburgh

SAN - EDI

SANEDI

San Diego

Tue 8/9

16:45-16:30

1 stop15h 45m

Edinburgh Turnhouse

Tue 22/9

21:15-14:55

1 stop25h 40m

£641

San DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Sun 23/8

16:45-16:50

1 stop16h 05m

Glasgow Intl

Thu 3/9

09:40-17:50

1 stop16h 10m

£644

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 22/9

07:00-16:00

2 stops25h 00m

London Heathrow

Tue 29/9

06:40-23:43

2 stops25h 03m

£644

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 15/9

11:05-18:30

2 stops23h 25m

London Heathrow

Tue 6/10

06:40-17:59

2 stops19h 19m

£646

San DiegoEdinburgh

SAN - EDI

SANEDI

San Diego

Mon 14/9

16:45-17:35

1 stop16h 50m

Edinburgh Turnhouse

Tue 22/9

11:25-20:34

1 stop17h 09m

£657

San DiegoGlasgow

SAN - GLA

SANGLA

San Diego

Sun 23/8

16:22-18:45

2 stops18h 23m

Glasgow Intl

Thu 3/9

08:35-14:55

1 stop14h 20m

£659

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 the United Kingdom from

How to get the cheapest flight ticket from San Diego to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from San Diego is in May. Flight prices, which tend to average around £75, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of May, then departing from San Diego during the month October is also very affordable. Most momondo users find prices during this month for around £133.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from San Diego to United Kingdom is on a Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £506. 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 United Kingdom for around £896.

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

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £682. Try not to purchase tickets in the afternoon because they tend to be around £699. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Diego to United Kingdom flight route?

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

How far in advance should I book a flight from San Diego to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £670 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Diego for as low as £529 on momondo.

Can stopping save me money on San Diego to United Kingdom flights?

You could potentially save up to 32% on your flight if you consider stops on a San Diego to United Kingdom flight.

Cheap San Diego to United Kingdom flight deals and tips

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

Best price found

£248

Fastest flight time

10h 35m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from San Diego in the past 72 hours is £248. The best return flight deal from San Diego to United Kingdom found on momondo in the last 72 hours is £598.
The fastest flight from San Diego to United Kingdom takes 10h 35m
Direct flights go from San Diego to United Kingdom every day.
There are 1,286 airports in United Kingdom. From San Diego there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from San Diego to the United Kingdom

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

    Prices for flights from San Diego Airport to United Kingdom refresh daily.

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

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

    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 United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom 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 San Diego to United Kingdom?

Best airlines flying from San Diego to United Kingdom

Compare and see reviews for airlines that fly from San Diego to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £503Free CancellationRating
6.7
7,940 reviews
Search British Airways flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for San Diego to United Kingdom flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to United Kingdom.

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

Yes. momondo can track prices for San Diego to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £29
Flights to Manchesterfrom £28
Flights to Birminghamfrom £37
Flights to Edinburghfrom £29
Flights to Belfastfrom £29
Flights to Glasgowfrom £29
Flights to Bristolfrom £40
Flights to Newcastle upon Tynefrom £41
Flights to Liverpoolfrom £32
Flights to Aberdeenfrom £52
Flights to Leedsfrom £57
Flights to Invernessfrom £40