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Cheap flights from San Diego to London from £261

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 7/7. 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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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
22:03 - 17:00
SAN
-
SOU
35h 57m
2 stops
Delta Logo
17:20 - 11:50
SOU
-
SAN
26h 30m
1 stop
£627Delta
Sun, 22 Mar - Mon, 30 Mar
Delta Logo
22:03 - 17:00
SAN
-
SOU
35h 57m
2 stops
Delta Logo
17:20 - 17:51
SOU
-
SAN
32h 31m
2 stops
£647Delta
Sun, 22 Mar - Mon, 30 Mar
Delta Logo
22:03 - 17:05
SAN
-
SOU
36h 02m
2 stops
Delta Logo
17:20 - 11:50
SOU
-
SAN
26h 30m
1 stop
£785Delta
Sat, 21 Mar - Mon, 30 Mar
Delta Logo
07:00 - 08:50
SAN
-
SOU
18h 50m
2 stops
Delta Logo
09:15 - 00:11
SOU
-
SAN
22h 56m
2 stops
£1,022Delta
Sat, 21 Mar - Sun, 29 Mar
Delta Logo
07:00 - 08:20
SAN
-
SOU
18h 20m
2 stops
Delta Logo
09:15 - 20:48
SOU
-
SAN
19h 33m
2 stops
£1,253Delta
Sun, 22 Mar - Sun, 29 Mar
Delta Logo
07:00 - 08:50
SAN
-
SOU
18h 50m
2 stops
Delta Logo
09:15 - 20:48
SOU
-
SAN
19h 33m
2 stops
£1,290Delta
Fri, 20 Mar - Sun, 29 Mar
Multiple Airlines Logo
09:20 - 19:30
SAN
-
SOU
26h 10m
2 stops
Multiple Airlines Logo
20:00 - 21:55
SOU
-
SAN
33h 55m
2 stops
£2,069Multiple Airlines
Thu, 14 May - Fri, 29 May
KLM Logo
13:40 - 08:45
SAN
-
SOU
35h 05m
1 stop
KLM Logo
09:05 - 22:32
SOU
-
SAN
21h 27m
2 stops
£2,323KLM
Thu, 14 May - Fri, 29 May
KLM Logo
13:40 - 08:45
SAN
-
SOU
35h 05m
1 stop
KLM Logo
09:05 - 11:50
SOU
-
SAN
34h 45m
1 stop
£2,373KLM
Thu, 14 May - Fri, 29 May
British Airways Logo
18:00 - 08:10
SAN
-
SOU
30h 10m
2 stops
British Airways Logo
12:15 - 16:10
SOU
-
SAN
35h 55m
2 stops
£3,981British Airways
Wed, 25 Feb - Sun, 1 Mar

Delta flights from San Diego to Southampton

Our best Delta deals on San Diego to Southampton flight tickets
Delta
22 Mar
SAN22:03San Diego
35h 57m
2 stops
SOU17:00Southampton Eastleigh
30 Mar
SOU17:20Southampton Eastleigh
26h 30m
1 stop
SAN11:50San Diego
£627
Delta
22 Mar
SAN22:03San Diego
35h 57m
2 stops
SOU17:00Southampton Eastleigh
30 Mar
SOU17:20Southampton Eastleigh
32h 31m
2 stops
SAN17:51San Diego
£647
Delta
21 Mar
SAN22:03San Diego
36h 02m
2 stops
SOU17:05Southampton Eastleigh
30 Mar
SOU17:20Southampton Eastleigh
26h 30m
1 stop
SAN11:50San Diego
£785

British Airways flights from San Diego to Southampton

Our best British Airways deals on San Diego to Southampton flight tickets
British Airways
25 Feb
SAN18:00San Diego
30h 10m
2 stops
SOU08:10Southampton Eastleigh
1 Mar
SOU12:15Southampton Eastleigh
35h 55m
2 stops
SAN16:10San Diego
£3,981
British Airways
25 Feb
SAN18:00San Diego
30h 10m
2 stops
SOU08:10Southampton Eastleigh
1 Mar
SOU12:15Southampton Eastleigh
35h 55m
2 stops
SAN16:10San Diego
£3,982

momondo Fare Finder

 
Customise your flight search to find flights from San Diego to Southampton 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 4 February 2026.
Use the filters below to find and compare flights from San Diego to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 22/3

22:03-17:00

2 stops35h 57m

Southampton Eastleigh

Mon 30/3

17:20-11:50

1 stop26h 30m

£627

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 22/3

22:03-17:00

2 stops35h 57m

Southampton Eastleigh

Mon 30/3

17:20-17:51

2 stops32h 31m

£647

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 21/3

22:03-17:05

2 stops36h 02m

Southampton Eastleigh

Mon 30/3

17:20-11:50

1 stop26h 30m

£785

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 21/3

07:00-08:50

2 stops18h 50m

Southampton Eastleigh

Sun 29/3

09:15-00:11

2 stops22h 56m

£1,022

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 22/3

07:00-08:20

2 stops18h 20m

Southampton Eastleigh

Sun 29/3

09:15-20:48

2 stops19h 33m

£1,253

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Fri 20/3

07:00-08:50

2 stops18h 50m

Southampton Eastleigh

Sun 29/3

09:15-20:48

2 stops19h 33m

£1,290

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 14/5

09:20-19:30

2 stops26h 10m

Southampton Eastleigh

Fri 29/5

20:00-21:55

2 stops33h 55m

£2,069

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 14/5

13:40-08:45

1 stop35h 05m

Southampton Eastleigh

Fri 29/5

09:05-22:32

2 stops21h 27m

£2,323

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 14/5

13:40-08:45

1 stop35h 05m

Southampton Eastleigh

Fri 29/5

09:05-11:50

1 stop34h 45m

£2,373

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 25/2

18:00-08:10

2 stops30h 10m

Southampton Eastleigh

Sun 1/3

12:15-16:10

2 stops35h 55m

£3,981

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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 airline that flies from San Diego to Southampton Eastleigh?

Delta is the most popular carrier operating from San Diego to Southampton Eastleigh

When to book flights from San Diego to Southampton

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

Cheap San Diego to Southampton (SAN to SOU) flight deals and tips

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

Fastest flight time

18h 50m

Direct flights

None
The fastest flight from San Diego to Southampton takes 18h 50m
There are no direct flights from San Diego to Southampton. There are no popular flight routes from San Diego to Southampton.
Search flight deals

  • How far is San Diego to Southampton Eastleigh by plane?

    Southampton Eastleigh is 5462.0 mi away from San Diego. 18h 50m is a normal flight duration for this route.

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

    Prices for flights from San Diego Airport to Southampton Eastleigh Airport were last updated today.

  • How old do you have to be to fly from San Diego Airport to Southampton Eastleigh 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 Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh 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 Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Southampton for you.

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

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

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

Once all potential San Diego to Southampton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from San Diego to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

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