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.

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.

£570 Cheap Flights from San Diego to Southampton in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Diego to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:00 - 17:05

SAN

SOU

22h 05m2 stops

09:00 - 20:59

SOU

SAN

19h 59m2 stops

£570KLM

Thu, 29 Jan - Thu, 5 Feb

18:00 - 16:40

SAN

SOU

38h 40m3 stops

06:50 - 16:10

SOU

SAN

17h 20m2 stops

£4,032British Airways

Thu, 29 Jan - Thu, 5 Feb

18:00 - 20:05

SAN

SOU

18h 05m2 stops

12:15 - 16:10

SOU

SAN

35h 55m2 stops

£4,068British Airways

Wed, 11 Feb - Sun, 15 Feb

British Airways flights from San Diego to Southampton

Our best British Airways deals on San Diego to Southampton flight tickets

British Airways

29 Jan

SAN18:00San Diego

38h 40m

3 stops

SOU16:40Southampton Eastleigh

5 Feb

SOU06:50Southampton Eastleigh

17h 20m

2 stops

SAN16:10San Diego

£4,032

Find similar

British Airways

11 Feb

SAN18:00San Diego

18h 05m

2 stops

SOU20:05Southampton Eastleigh

15 Feb

SOU12:15Southampton Eastleigh

35h 55m

2 stops

SAN16:10San Diego

£4,068

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 29/1

11:00-17:05

2 stops22h 05m

Southampton Eastleigh

Thu 5/2

09:00-20:59

2 stops19h 59m

£570

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 29/1

18:00-16:40

3 stops38h 40m

Southampton Eastleigh

Thu 5/2

06:50-16:10

2 stops17h 20m

£4,032

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 11/2

18:00-20:05

2 stops18h 05m

Southampton Eastleigh

Sun 15/2

12:15-16:10

2 stops35h 55m

£4,068

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	18h 05m
Direct flights	None

The fastest flight from San Diego to Southampton takes 18h 05m

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 05m 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.

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.

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.