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Cheap flights from San Diego to London from £309

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 11/8. 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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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
14:00 - 08:20
SAN
-
SOU
34h 20m
1 stop
Delta Logo
17:30 - 12:05
SOU
-
SAN
26h 35m
1 stop
£759Delta
Tue, 3 Nov - Mon, 16 Nov
Delta Logo
08:00 - 08:10
SAN
-
SOU
40h 10m
2 stops
Delta Logo
17:30 - 12:05
SOU
-
SAN
26h 35m
1 stop
£762Delta
Sun, 1 Nov - Wed, 18 Nov
Delta Logo
14:00 - 08:20
SAN
-
SOU
34h 20m
1 stop
Delta Logo
08:50 - 20:18
SOU
-
SAN
19h 28m
2 stops
£766Delta
Tue, 3 Nov - Thu, 12 Nov
KLM Logo
08:50 - 08:35
SAN
-
SOU
15h 45m
2 stops
KLM Logo
09:05 - 21:52
SOU
-
SAN
20h 47m
2 stops
£769KLM
Mon, 28 Sep - Tue, 13 Oct
KLM Logo
14:00 - 16:50
SAN
-
SOU
18h 50m
2 stops
KLM Logo
09:05 - 23:45
SOU
-
SAN
22h 40m
2 stops
£770KLM
Mon, 28 Sep - Tue, 13 Oct
Delta Logo
07:00 - 08:10
SAN
-
SOU
41h 10m
2 stops
Delta Logo
17:30 - 20:49
SOU
-
SAN
35h 19m
2 stops
£806Delta
Sun, 1 Nov - Sun, 15 Nov
Multiple Airlines Logo
17:00 - 20:45
SAN
-
SOU
19h 45m
3 stops
Multiple Airlines Logo
09:15 - 19:01
SOU
-
SAN
17h 46m
2 stops
£984Multiple Airlines
Mon, 28 Sep - Tue, 13 Oct
Delta Logo
22:15 - 08:45
SAN
-
SOU
26h 30m
2 stops
Delta Logo
09:15 - 23:30
SOU
-
SAN
22h 15m
2 stops
£1,006Delta
Sat, 11 Jul - Fri, 31 Jul
Delta Logo
13:40 - 17:00
SAN
-
SOU
19h 20m
1 stop
Delta Logo
09:15 - 20:34
SOU
-
SAN
19h 19m
2 stops
£1,078Delta
Sat, 11 Jul - Fri, 31 Jul
Multiple Airlines Logo
10:59 - 19:30
SAN
-
SOU
24h 31m
2 stops
Multiple Airlines Logo
09:20 - 22:39
SOU
-
SAN
21h 19m
2 stops
£1,113Multiple Airlines
Wed, 17 Jun - Wed, 24 Jun

KLM flights from San Diego to Southampton

Our best KLM deals on San Diego to Southampton flight tickets
KLM
28 Sept
SAN08:50San Diego
15h 45m
2 stops
SOU08:35Southampton Eastleigh
13 Oct
SOU09:05Southampton Eastleigh
20h 47m
2 stops
SAN21:52San Diego
£769
KLM
28 Sept
SAN14:00San Diego
18h 50m
2 stops
SOU16:50Southampton Eastleigh
13 Oct
SOU09:05Southampton Eastleigh
22h 40m
2 stops
SAN23:45San Diego
£770
KLM
17 Jun
SAN06:15San Diego
18h 20m
2 stops
SOU08:35Southampton Eastleigh
24 Jun
SOU09:05Southampton Eastleigh
34h 45m
1 stop
SAN11:50San Diego
£1,271

Delta flights from San Diego to Southampton

Our best Delta deals on San Diego to Southampton flight tickets
Delta
3 Nov
SAN14:00San Diego
34h 20m
1 stop
SOU08:20Southampton Eastleigh
16 Nov
SOU17:30Southampton Eastleigh
26h 35m
1 stop
SAN12:05San Diego
£759
Delta
1 Nov
SAN08:00San Diego
40h 10m
2 stops
SOU08:10Southampton Eastleigh
18 Nov
SOU17:30Southampton Eastleigh
26h 35m
1 stop
SAN12:05San Diego
£762
Delta
3 Nov
SAN14:00San Diego
34h 20m
1 stop
SOU08:20Southampton Eastleigh
12 Nov
SOU08:50Southampton Eastleigh
19h 28m
2 stops
SAN20:18San Diego
£766

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 8 May 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

Tue 3/11

14:00-08:20

1 stop34h 20m

Southampton Eastleigh

Mon 16/11

17:30-12:05

1 stop26h 35m

£759

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 1/11

08:00-08:10

2 stops40h 10m

Southampton Eastleigh

Wed 18/11

17:30-12:05

1 stop26h 35m

£762

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Tue 3/11

14:00-08:20

1 stop34h 20m

Southampton Eastleigh

Thu 12/11

08:50-20:18

2 stops19h 28m

£766
Fastest return journey

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

08:50-08:35

2 stops15h 45m

Southampton Eastleigh

Tue 13/10

09:05-21:52

2 stops20h 47m

£769

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

14:00-16:50

2 stops18h 50m

Southampton Eastleigh

Tue 13/10

09:05-23:45

2 stops22h 40m

£770

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 1/11

07:00-08:10

2 stops41h 10m

Southampton Eastleigh

Sun 15/11

17:30-20:49

2 stops35h 19m

£806

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

17:00-20:45

3 stops19h 45m

Southampton Eastleigh

Tue 13/10

09:15-19:01

2 stops17h 46m

£984

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 11/7

22:15-08:45

2 stops26h 30m

Southampton Eastleigh

Fri 31/7

09:15-23:30

2 stops22h 15m

£1,006

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 11/7

13:40-17:00

1 stop19h 20m

Southampton Eastleigh

Fri 31/7

09:15-20:34

2 stops19h 19m

£1,078

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 17/6

10:59-19:30

2 stops24h 31m

Southampton Eastleigh

Wed 24/6

09:20-22:39

2 stops21h 19m

£1,113

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

15h 45m

Direct flights

None
The fastest flight from San Diego to Southampton takes 15h 45m
There are no direct flights from San Diego to Southampton. There are no popular flight routes from San Diego to Southampton.
Search flight deals

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. 15h 45m 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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