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Cheap flights from San Diego to Southampton from £893

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SOU
4 Aug — 11 Aug1
1 adult

Cheap flight deals from San Diego to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.

Round-trip from

£893

Popular in

June

Cheapest in

February

Average price

£871
Delta
  • Delta
  • 22/11-29/11
  • 4 total stops
  • 64h 11m total
  • San Diego to Southampton
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£171 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from San Diego to Southampton

Cheapest flights from San Diego to Southampton
Explore the most affordable flight options available from San Diego to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Sat 22/1122:10SAN - SOU
2 stops26h 00mDelta
Sun 30/1118:05SOU - SAN
2 stops34h 39mDelta
Deal found 27/7£893

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from San Diego to Southampton that are best for you.

Fly from

San Diego

Fly to

Southampton

Route

Depart

Return

Price

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 22/11

22:10-08:10

2 stops26h 00m

Southampton Eastleigh

Sat 29/11

17:30-23:41

2 stops38h 11m

£893

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Best time to book a flight from San Diego to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from San Diego with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Southampton

What is the cheapest month to book a flight from San Diego to Southampton?

Currently, September is the cheapest month in which you can book a flight from San Diego to Southampton (average of £203). Flying from San Diego to Southampton in November is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated 30 July 2025.
See what other customers who have flown with Delta from San Diego to Southampton have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,980 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,980 reviews
Delta
8.0
Very Good
7,980 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from San Diego to Southampton round-trip?

    Currently priced at £893, Delta will fly you from San Diego to Southampton and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from San Diego to Southampton that include hotel bookings?

    Yes. In addition to deals on San Diego to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Southampton.

  • Can I find deals for business class flights from San Diego to Southampton?

    Yes. Cheapflights offers flight deals from San Diego to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Southampton?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Southampton (average of £203). Flying from San Diego to Southampton in November is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from San Diego to Southampton?

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Can Cheapflights find flights from San Diego to Southampton with no change fees?

Yes, we can. To see specific flights from San Diego to Southampton with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Diego to Southampton become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southampton from San Diego today and book when prices fit your budget.

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