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Cheap flights from San Diego to London from £790

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to London departing on 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from San Diego to London

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
15:20 - 16:50
SAN
-
SOU
17h 30m
2 stops
Delta Logo
09:05 - 23:03
SOU
-
SAN
21h 58m
2 stops
£790Delta
Mon, 28 Sep - Tue, 13 Oct
Delta Logo
15:20 - 16:50
SAN
-
SOU
17h 30m
2 stops
Delta Logo
09:05 - 23:03
SOU
-
SAN
21h 58m
2 stops
£791Delta
Mon, 28 Sep - Tue, 13 Oct
KLM Logo
06:15 - 08:35
SAN
-
SOU
18h 20m
2 stops
KLM Logo
17:20 - 11:50
SOU
-
SAN
26h 30m
1 stop
£828KLM
Mon, 14 Sep - Wed, 30 Sep
KLM Logo
06:15 - 08:35
SAN
-
SOU
18h 20m
2 stops
KLM Logo
09:15 - 20:37
SOU
-
SAN
19h 22m
2 stops
£835KLM
Mon, 14 Sep - Wed, 30 Sep
Virgin Atlantic Logo
13:40 - 17:00
SAN
-
SOU
19h 20m
1 stop
Virgin Atlantic Logo
09:15 - 11:50
SOU
-
SAN
34h 35m
1 stop
£849Virgin Atlantic
Sat, 15 Aug - Fri, 21 Aug
Virgin Atlantic Logo
08:00 - 08:45
SAN
-
SOU
16h 45m
2 stops
Virgin Atlantic Logo
18:05 - 11:50
SOU
-
SAN
25h 45m
1 stop
£902Virgin Atlantic
Sat, 15 Aug - Fri, 21 Aug
Virgin Atlantic Logo
06:15 - 08:45
SAN
-
SOU
18h 30m
2 stops
Virgin Atlantic Logo
18:05 - 23:00
SOU
-
SAN
36h 55m
2 stops
£906Virgin Atlantic
Sat, 15 Aug - Fri, 21 Aug
Delta Logo
06:29 - 08:35
SAN
-
SOU
18h 06m
2 stops
Delta Logo
09:15 - 23:46
SOU
-
SAN
22h 31m
2 stops
£921Delta
Sun, 30 Aug - Sun, 13 Sep
Delta Logo
13:40 - 08:45
SAN
-
SOU
35h 05m
1 stop
Delta Logo
18:05 - 22:34
SOU
-
SAN
36h 29m
2 stops
£932Delta
Thu, 23 Jul - Tue, 28 Jul
Delta Logo
11:37 - 08:45
SAN
-
SOU
37h 08m
2 stops
Delta Logo
09:15 - 20:36
SOU
-
SAN
19h 21m
2 stops
£936Delta
Thu, 23 Jul - Thu, 30 Jul

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Delta flights from San Diego to Southampton

Our best Delta deals on San Diego to Southampton flight tickets
Delta
28 Sept
SAN15:20San Diego
17h 30m
2 stops
SOU16:50Southampton Eastleigh
13 Oct
SOU09:05Southampton Eastleigh
21h 58m
2 stops
SAN23:03San Diego
£790
Delta
28 Sept
SAN15:20San Diego
17h 30m
2 stops
SOU16:50Southampton Eastleigh
13 Oct
SOU09:05Southampton Eastleigh
21h 58m
2 stops
SAN23:03San Diego
£791
Delta
30 Aug
SAN06:29San Diego
18h 06m
2 stops
SOU08:35Southampton Eastleigh
13 Sept
SOU09:15Southampton Eastleigh
22h 31m
2 stops
SAN23:46San Diego
£921

KLM flights from San Diego to Southampton

Our best KLM deals on San Diego to Southampton flight tickets
KLM
14 Sept
SAN06:15San Diego
18h 20m
2 stops
SOU08:35Southampton Eastleigh
30 Sept
SOU17:20Southampton Eastleigh
26h 30m
1 stop
SAN11:50San Diego
£828
KLM
14 Sept
SAN06:15San Diego
18h 20m
2 stops
SOU08:35Southampton Eastleigh
30 Sept
SOU09:15Southampton Eastleigh
19h 22m
2 stops
SAN20:37San Diego
£835
KLM
11 Jul
SAN13:40San Diego
35h 05m
1 stop
SOU08:45Southampton Eastleigh
24 Jul
SOU09:15Southampton Eastleigh
19h 21m
2 stops
SAN20:36San Diego
£1,060

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 28 June 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

Cheapest return flight

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

15:20-16:50

2 stops17h 30m

Southampton Eastleigh

Tue 13/10

09:05-23:03

2 stops21h 58m

£790

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

15:20-16:50

2 stops17h 30m

Southampton Eastleigh

Tue 13/10

09:05-23:03

2 stops21h 58m

£791

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 14/9

06:15-08:35

2 stops18h 20m

Southampton Eastleigh

Wed 30/9

17:20-11:50

1 stop26h 30m

£828
Fastest return journey

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 14/9

06:15-08:35

2 stops18h 20m

Southampton Eastleigh

Wed 30/9

09:15-20:37

2 stops19h 22m

£835

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 15/8

13:40-17:00

1 stop19h 20m

Southampton Eastleigh

Fri 21/8

09:15-11:50

1 stop34h 35m

£849

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 15/8

08:00-08:45

2 stops16h 45m

Southampton Eastleigh

Fri 21/8

18:05-11:50

1 stop25h 45m

£902

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 15/8

06:15-08:45

2 stops18h 30m

Southampton Eastleigh

Fri 21/8

18:05-23:00

2 stops36h 55m

£906

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 30/8

06:29-08:35

2 stops18h 06m

Southampton Eastleigh

Sun 13/9

09:15-23:46

2 stops22h 31m

£921

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 23/7

13:40-08:45

1 stop35h 05m

Southampton Eastleigh

Tue 28/7

18:05-22:34

2 stops36h 29m

£932

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 23/7

11:37-08:45

2 stops37h 08m

Southampton Eastleigh

Thu 30/7

09:15-20:36

2 stops19h 21m

£936

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

17h 30m

Direct flights

None
The fastest flight from San Diego to Southampton takes 17h 30m
There are no direct flights from San Diego to Southampton. There are no popular flight routes from San Diego to Southampton.
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Frequently asked questions about flying from San Diego to Southampton

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

    Southampton Eastleigh is 5462.0 mi away from San Diego. 17h 30m 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.

Frequently asked questions about flying from San Diego to Southampton

  • How do I get Price Alerts for flights from San Diego to Southampton?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to San Diego from Southampton. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from San Diego to Southampton with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near London?

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