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Cheap flights from San Diego to the United Kingdom from £251

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 30/9. 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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0 bags

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Find the cheapest flights from San Diego to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
16:45 - 15:00
SAN
-
INV
14h 15m
1 stop
British Airways Logo
10:35 - 14:55
INV
-
SAN
36h 20m
1 stop
£578British Airways
Mon, 21 Sep - Wed, 30 Sep
British Airways Logo
16:45 - 14:50
SAN
-
INV
14h 05m
1 stop
British Airways Logo
15:45 - 14:55
INV
-
SAN
31h 10m
1 stop
£581British Airways
Sun, 27 Sep - Mon, 5 Oct
Delta Logo
07:00 - 12:45
SAN
-
INV
21h 45m
2 stops
Delta Logo
06:25 - 23:43
INV
-
SAN
25h 18m
2 stops
£588Delta
Mon, 21 Sep - Thu, 1 Oct
Multiple Airlines Logo
07:00 - 12:45
SAN
-
INV
21h 45m
2 stops
Multiple Airlines Logo
13:15 - 11:50
INV
-
SAN
30h 35m
1 stop
£589Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
Delta Logo
22:10 - 12:45
SAN
-
INV
30h 35m
2 stops
Delta Logo
06:25 - 20:41
INV
-
SAN
22h 16m
2 stops
£591Delta
Sun, 27 Sep - Thu, 1 Oct
Scandinavian Airlines Logo
15:59 - 21:40
SAN
-
LHR
21h 41m
2 stops
Scandinavian Airlines Logo
07:05 - 23:45
LHR
-
SAN
24h 40m
2 stops
£609Scandinavian Airlines
Tue, 29 Sep - Tue, 20 Oct
Virgin Atlantic Logo
07:30 - 06:20
SAN
-
LHR
14h 50m
1 stop
Virgin Atlantic Logo
15:50 - 23:42
LHR
-
SAN
15h 52m
1 stop
£615Virgin Atlantic
Tue, 12 May - Tue, 19 May
Scandinavian Airlines Logo
11:05 - 16:00
SAN
-
LHR
20h 55m
2 stops
Scandinavian Airlines Logo
06:40 - 23:43
LHR
-
SAN
25h 03m
2 stops
£622Scandinavian Airlines
Tue, 15 Sep - Wed, 30 Sep
Multiple Airlines Logo
06:30 - 08:40
SAN
-
LGW
18h 10m
2 stops
Multiple Airlines Logo
14:30 - 09:28
LGW
-
SAN
26h 58m
1 stop
£679Multiple Airlines
Mon, 27 Apr - Fri, 8 May
Virgin Atlantic Logo
13:40 - 17:20
SAN
-
LCY
19h 40m
1 stop
Virgin Atlantic Logo
17:50 - 11:50
LCY
-
SAN
26h 00m
1 stop
£694Virgin Atlantic
Tue, 28 Apr - Mon, 4 May

Lufthansa flights from San Diego to United Kingdom

Our best Lufthansa deals on San Diego to United Kingdom flight tickets
Lufthansa
15 Sept
SAN17:15San Diego
15h 50m
1 stop
LHR17:05London Heathrow
6 Oct
LHR07:25London Heathrow
16h 00m
1 stop
SAN15:25San Diego
£639
Lufthansa
17 Aug
SAN17:15San Diego
19h 30m
1 stop
LHR20:45London Heathrow
7 Oct
LHR07:25London Heathrow
16h 00m
1 stop
SAN15:25San Diego
£640
Lufthansa
16 Sept
SAN14:24San Diego
21h 16m
2 stops
LHR19:40London Heathrow
7 Oct
LHR06:55London Heathrow
16h 30m
1 stop
SAN15:25San Diego
£642

United Airlines flights from San Diego to United Kingdom

Our best United Airlines deals on San Diego to United Kingdom flight tickets
United Airlines
28 Sept
SAN19:44San Diego
26h 46m
3 stops
MAN06:30Manchester
1 Oct
MAN05:55Manchester
22h 00m
2 stops
SAN19:55San Diego
£623
United Airlines
21 Sept
SAN10:13San Diego
13h 32m
1 stop
LHR07:45London Heathrow
30 Sept
LHR06:55London Heathrow
16h 30m
1 stop
SAN15:25San Diego
£670
United Airlines
6 Sept
SAN21:45San Diego
28h 50m
1 stop
EDI10:35Edinburgh Turnhouse
9 Sept
EDI09:00Edinburgh Turnhouse
35h 16m
1 stop
SAN12:16San Diego
£672

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 5 April 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 DiegoInverness

SAN - INV

SANINV

San Diego

Mon 21/9

16:45-15:00

1 stop14h 15m

Inverness

Wed 30/9

10:35-14:55

1 stop36h 20m

£578

San DiegoInverness

SAN - INV

SANINV

San Diego

Sun 27/9

16:45-14:50

1 stop14h 05m

Inverness

Mon 5/10

15:45-14:55

1 stop31h 10m

£581

San DiegoInverness

SAN - INV

SANINV

San Diego

Mon 21/9

07:00-12:45

2 stops21h 45m

Inverness

Thu 1/10

06:25-23:43

2 stops25h 18m

£588

San DiegoInverness

SAN - INV

SANINV

San Diego

Wed 16/9

07:00-12:45

2 stops21h 45m

Inverness

Mon 21/9

13:15-11:50

1 stop30h 35m

£589

San DiegoInverness

SAN - INV

SANINV

San Diego

Sun 27/9

22:10-12:45

2 stops30h 35m

Inverness

Thu 1/10

06:25-20:41

2 stops22h 16m

£591

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 29/9

15:59-21:40

2 stops21h 41m

London Heathrow

Tue 20/10

07:05-23:45

2 stops24h 40m

£609
Fastest return journey

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 12/5

07:30-06:20

1 stop14h 50m

London Heathrow

Tue 19/5

15:50-23:42

1 stop15h 52m

£615

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Tue 15/9

11:05-16:00

2 stops20h 55m

London Heathrow

Wed 30/9

06:40-23:43

2 stops25h 03m

£622

San DiegoLondon

SAN - LGW

SANLGW

San Diego

Mon 27/4

06:30-08:40

2 stops18h 10m

London Gatwick

Fri 8/5

14:30-09:28

1 stop26h 58m

£679

San DiegoLondon

SAN - LCY

SANLCY

San Diego

Tue 28/4

13:40-17:20

1 stop19h 40m

London City

Mon 4/5

17:50-11:50

1 stop26h 00m

£694

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 October. Flight prices, which tend to average around £522, 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 October, then departing from San Diego during the month February is also very affordable. Most momondo users find prices during this month for around £540.

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 £520. 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 £920.

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 £648. Try not to purchase tickets in the afternoon because they tend to be around £727. 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 £684 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 £536 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 50% 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

£355

Fastest flight time

10h 40m

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 £355. The best return flight deal from San Diego to United Kingdom found on momondo in the last 72 hours is £985.
The fastest flight from San Diego to United Kingdom takes 10h 40m
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 £492Free CancellationRating
6.7
7,853 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 £9
Flights to Manchesterfrom £30
Flights to Birminghamfrom £39
Flights to Edinburghfrom £28
Flights to Belfastfrom £30
Flights to Glasgowfrom £30
Flights to Bristolfrom £45
Flights to Newcastle upon Tynefrom £39
Flights to Liverpoolfrom £39
Flights to Aberdeenfrom £58
Flights to Leedsfrom £45
Flights to Invernessfrom £43