What is the cheapest airline that flies from Southampton Eastleigh to San Diego?

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

Which airlines fly to San Diego?

British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to San Diego from Southampton according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to San Diego. Keep in mind that there are 10 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Southampton Eastleigh Airport to San Diego Airport are refreshed on a daily basis.

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

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£736 Cheap Flights from Southampton to San Diego in 2026/27

Find the cheapest flights from Southampton to San Diego

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:25 - 20:35SOU Southampton Eastleigh-SAN San Diego

19h 10m2 stops Amsterdam Schiphol New York John F Kennedy Intl

08:00 - 16:50SAN San Diego-SOU Southampton Eastleigh

24h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£736Delta

Sat, 7 Nov - Sat, 14 Nov

17:20 - 11:50SOU Southampton Eastleigh-SAN San Diego

26h 30m1 stop Amsterdam Schiphol

15:05 - 17:05SAN San Diego-SOU Southampton Eastleigh

19h 00m1 stop Amsterdam Schiphol

£795KLM

Mon, 19 Oct - Thu, 29 Oct

17:20 - 11:50SOU Southampton Eastleigh-SAN San Diego

26h 30m1 stop Amsterdam Schiphol

14:10 - 17:05SAN San Diego-SOU Southampton Eastleigh

19h 55m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£874KLM

Mon, 19 Oct - Thu, 29 Oct

09:20 - 08:37SOU Southampton Eastleigh-SAN San Diego

31h 17m3 stops Dublin Chicago O'Hare Intl Dallas/Fort Worth

06:25 - 15:35SAN San Diego-SOU Southampton Eastleigh

25h 10m3 stops Denver Intl Reykjavik Keflavik Intl Glasgow Intl

£1,016Multiple Airlines

Sat, 7 Nov - Sat, 14 Nov

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KLM flights from Southampton to San Diego

Our best KLM deals on Southampton to San Diego flight tickets

KLM

19 Oct

SOU17:20Southampton Eastleigh

26h 30m

1 stop

SAN11:50San Diego

29 Oct

SAN15:05San Diego

19h 00m

1 stop

SOU17:05Southampton Eastleigh

£795

KLM

19 Oct

SOU17:20Southampton Eastleigh

26h 30m

1 stop

SAN11:50San Diego

29 Oct

SAN14:10San Diego

19h 55m

2 stops

SOU17:05Southampton Eastleigh

£874

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

SouthamptonSan Diego

SOU Southampton Eastleigh - SAN San Diego

SOUSAN

Southampton Eastleigh

Sat 7/11

09:25-20:35

2 stops19h 10m

San Diego

Sat 14/11

08:00-16:50

2 stops24h 50m

£736

SouthamptonSan Diego

SOU Southampton Eastleigh - SAN San Diego

SOUSAN

Southampton Eastleigh

Mon 19/10

17:20-11:50

1 stop26h 30m

San Diego

Thu 29/10

15:05-17:05

1 stop19h 00m

£795

SouthamptonSan Diego

SOU Southampton Eastleigh - SAN San Diego

SOUSAN

Southampton Eastleigh

Mon 19/10

17:20-11:50

1 stop26h 30m

San Diego

Thu 29/10

14:10-17:05

2 stops19h 55m

£874

SouthamptonSan Diego

SOU Southampton Eastleigh - SAN San Diego

SOUSAN

Southampton Eastleigh

Sat 7/11

09:20-08:37

3 stops31h 17m

San Diego

Sat 14/11

06:25-15:35

3 stops25h 10m

£1,016

Cheapest one-way

Fastest single journey

SouthamptonSan Diego

SOU Southampton Eastleigh - SAN San Diego

SOUSAN

Southampton Eastleigh

Tue 20/10

19:55-14:55

2 stops27h 00m

£920

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

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

Prices

Airlines

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Southampton to San Diego is on a Monday when prices can be found for as low as £697. Flights from Southampton to San Diego on a Friday will generally be more expensive and average around £807. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Diego?

In the morning is the cheapest time of day to fly from Southampton to San Diego when you can find flight prices for as low as £731. Flying to San Diego in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at midday because they tend to be around £792. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Southampton to San Diego

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

Estimated return price

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

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

Best price found	£920
Direct flights	None

The best one-way flight to San Diego from Southampton in the past 72 hours is £920. The best return flight deal from Southampton to San Diego found on momondo in the last 72 hours is £736.

There are no direct flights from Southampton to San Diego. There are no popular flight routes from Southampton to San Diego.

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Frequently asked questions about flying from Southampton to San Diego

How far is Southampton Eastleigh to San Diego by plane?
Southampton Eastleigh and San Diego are 5462.0 mi apart from one another.
When did momondo last update prices for flights from Southampton Eastleigh Airport to San Diego Airport?
Prices for flights from Southampton Eastleigh Airport to San Diego Airport are refreshed on a daily basis.
How old do you have to be to fly from Southampton Eastleigh Airport to San Diego 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 Southampton Eastleigh Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Coronado

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Southampton.

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

Flights from Southampton to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Southampton to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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