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Cheap flights from San Diego to the United Kingdom from £175

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 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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Find the cheapest flights from San Diego to the United Kingdom

Cheap return flights

Virgin Atlantic Logo
06:15 - 06:45SAN-LHR
16h 30m1 stop
Virgin Atlantic Logo
20:55 - 12:00LHR-SAN
23h 05m1 stop
£406Virgin Atlantic
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Tue, 30 Sep - Mon, 6 Oct
British Airways Logo
09:42 - 06:50SAN-LHR
13h 08m1 stop
British Airways Logo
12:50 - 16:10LHR-SAN
11h 20mdirect
£407British Airways
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Wed, 12 Nov - Fri, 21 Nov
Iberia Logo
12:38 - 10:50SAN-LHR
14h 12m1 stop
Iberia Logo
12:30 - 21:21LHR-SAN
16h 51m1 stop
£409Iberia
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Wed, 1 Oct - Fri, 10 Oct
Air Canada Logo
18:10 - 07:10SAN-LHR
29h 00m2 stops
Air Canada Logo
14:30 - 12:03LHR-SAN
29h 33m1 stop
£410Air Canada
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Tue, 4 Nov - Wed, 26 Nov
Lufthansa Logo
17:15 - 17:40SAN-LHR
16h 25m2 stops
Lufthansa Logo
07:25 - 15:25LHR-SAN
16h 00m1 stop
£411Lufthansa
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Sun, 28 Sep - Wed, 8 Oct
Air Canada Logo
08:10 - 06:30SAN-LHR
14h 20m1 stop
Air Canada Logo
14:05 - 00:15LHR-SAN
18h 10m2 stops
£412Air Canada
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Wed, 1 Oct - Wed, 15 Oct
Delta Logo
07:00 - 10:00SAN-LHR
19h 00m1 stop
Delta Logo
06:15 - 16:19LHR-SAN
18h 04m2 stops
£413Delta
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Tue, 30 Sep - Wed, 8 Oct
Delta Logo
06:15 - 06:45SAN-LHR
16h 30m1 stop
Delta Logo
08:40 - 19:08LHR-SAN
18h 28m2 stops
£414Delta
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Mon, 6 Oct - Wed, 22 Oct
Lufthansa Logo
17:35 - 22:55SAN-LHR
21h 20m1 stop
Lufthansa Logo
11:10 - 00:15LHR-SAN
21h 05m2 stops
£425Lufthansa
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Tue, 18 Nov - Wed, 3 Dec
Iberia Logo
18:00 - 12:35SAN-LHR
10h 35mdirect
Iberia Logo
12:45 - 17:05LHR-SAN
11h 20mdirect
£428Iberia
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Sun, 15 Feb - Sun, 15 Mar

Delta flights from San Diego to United Kingdom

Our best Delta deals on San Diego to United Kingdom flight tickets
Delta
21 Sept
SAN11:03San Diego
19h 12m
1 stop
LHR14:15London Heathrow
9 Oct
LHR06:30London Heathrow
13h 30m
1 stop
SAN12:00San Diego
£406
Find similar
Delta
30 Sept
SAN07:00San Diego
17h 50m
1 stop
LHR08:50London Heathrow
7 Oct
LHR06:30London Heathrow
13h 30m
1 stop
SAN12:00San Diego
£407
Find similar
Delta
30 Sept
SAN08:00San Diego
16h 50m
2 stops
LHR08:50London Heathrow
9 Oct
LHR06:30London Heathrow
13h 30m
1 stop
SAN12:00San Diego
£410
Find similar

Scandinavian Airlines flights from San Diego to United Kingdom

Our best Scandinavian Airlines deals on San Diego to United Kingdom flight tickets
Scandinavian Airlines
12 Nov
SAN10:00San Diego
23h 40m
2 stops
LHR17:40London Heathrow
15 Nov
LHR06:40London Heathrow
24h 15m
2 stops
SAN22:55San Diego
£427
Find similar
Scandinavian Airlines
27 Oct
SAN10:00San Diego
25h 30m
2 stops
LHR18:30London Heathrow
10 Nov
LHR10:20London Heathrow
20h 35m
2 stops
SAN22:55San Diego
£436
Find similar
Scandinavian Airlines
8 Oct
SAN15:59San Diego
17h 41m
2 stops
LHR17:40London Heathrow
22 Oct
LHR07:05London Heathrow
21h 42m
2 stops
SAN20:47San Diego
£438
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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 17 September 2025.
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

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 30/9

06:15-06:45

1 stop16h 30m

London Heathrow

Mon 6/10

20:55-12:00

1 stop23h 05m

£406

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 12/11

09:42-06:50

1 stop13h 08m

London Heathrow

Fri 21/11

12:50-16:10

Nonstop11h 20m

£407

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 1/10

12:38-10:50

1 stop14h 12m

London Heathrow

Fri 10/10

12:30-21:21

1 stop16h 51m

£409

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 4/11

18:10-07:10

2 stops29h 00m

London Heathrow

Wed 26/11

14:30-12:03

1 stop29h 33m

£410

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 28/9

17:15-17:40

2 stops16h 25m

London Heathrow

Wed 8/10

07:25-15:25

1 stop16h 00m

£411

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Wed 1/10

08:10-06:30

1 stop14h 20m

London Heathrow

Wed 15/10

14:05-00:15

2 stops18h 10m

£412

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 30/9

07:00-10:00

1 stop19h 00m

London Heathrow

Wed 8/10

06:15-16:19

2 stops18h 04m

£413

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Mon 6/10

06:15-06:45

1 stop16h 30m

London Heathrow

Wed 22/10

08:40-19:08

2 stops18h 28m

£414

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 18/11

17:35-22:55

1 stop21h 20m

London Heathrow

Wed 3/12

11:10-00:15

2 stops21h 05m

£425

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Sun 15/2

18:00-12:35

Nonstop10h 35m

London Heathrow

Sun 15/3

12:45-17:05

Nonstop11h 20m

£428

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 February. Flight prices, which tend to average around £509, 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 February, then departing from San Diego during the month October is also very affordable. Most momondo users find prices during this month for around £510.

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 £471. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to United Kingdom for around £1,064.

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 morning when flights can be purchased for as low as £556. Try not to purchase tickets in the afternoon because they tend to be around £690. 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 to 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 £657 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 £546 on momondo.

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

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

You could potentially save up to 13% 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

£347

Fastest flight time

10h 30m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from San Diego in the past 72 hours is £347. The best return flight deal from San Diego to United Kingdom found on momondo in the last 72 hours is £496.
The fastest flight from San Diego to United Kingdom takes 10h 30m
Direct flights go from San Diego to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
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  • 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 £471Free CancellationRating
6.7
7,363 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 £30
Flights to Manchesterfrom £30
Flights to Birminghamfrom £35
Flights to Edinburghfrom £28
Flights to Belfastfrom £29
Flights to Glasgowfrom £34
Flights to Bristolfrom £32
Flights to Newcastle upon Tynefrom £30
Flights to Aberdeenfrom £45
Flights to Liverpoolfrom £30
Flights to Leedsfrom £37
Flights to Invernessfrom £34