How long is the flight from San Diego to Southampton?

Aer Lingus and KLM can get you from San Diego to Southampton in just under 19h 40m. Your travel time can differ by up to 6h 20m. San Diego and Southampton are separated by a distance of 5462 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from SAN to SOU?

When flying from San Diego to Southampton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£275+ Cheap Flights from San Diego to Southampton

Cheap flight deals from San Diego to Southampton

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

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 31 October 2026.

Thu 10/1222:45 -

2 stops26h 00m

Thu 17/1209:20 -

2 stops22h 16m

Deal found 26/10£894

Sat 12/1206:30 -

3 stops25h 05m

Sat 19/1209:20 -

3 stops22h 38m

Deal found 28/10£964

Sat 12/1213:10 -

2 stops19h 40m

Sat 19/1217:20 -

2 stops30h 54m

Deal found 28/10£1,088

Thu 10/1206:30 -

3 stops29h 00m

Thu 17/1220:00 -

3 stops35h 58m

Deal found 26/10£1,362

Thu 10/1214:05 -

1 stop19h 00m

Thu 17/1208:40 -

2 stops21h 35m

Deal found 26/10£1,608

Find flight deals from San Diego to Southampton

Round-trip from	£894
One-way from	£275
Popular in	June
Cheapest in	February
Average price	£691

Aer Lingus
10/12-17/12
4 total stops
48h 16m total
San Diego to Southampton

Search Deals

17/11-31/12
3 total stops
45h 14m total
San Diego to Southampton

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£149 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Fastest return journey

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Sun 15/11

06:15-08:50

2 stops18h 35m

Southampton Eastleigh

Wed 31/12

00:00-15:00

Nonstop0h 00m

£369

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Mon 16/11

09:28-19:30

3 stops26h 02m

Southampton Eastleigh

Wed 31/12

00:00-15:00

Nonstop0h 00m

£379

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Tue 17/11

20:59-11:55

2 stops30h 56m

Southampton Eastleigh

Wed 31/12

00:00-15:00

Nonstop0h 00m

£392

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Thu 12/11

21:07-08:45

2 stops27h 38m

Southampton Eastleigh

Wed 31/12

00:00-15:00

Nonstop0h 00m

£466

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Tue 17/11

14:05-17:05

1 stop19h 00m

Southampton Eastleigh

Wed 31/12

00:00-15:00

Nonstop0h 00m

£490

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Sat 14/11

14:05-16:50

1 stop18h 45m

Southampton Eastleigh

Wed 31/12

00:00-15:00

Nonstop0h 00m

£528

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Thu 10/12

22:45-08:45

2 stops26h 00m

Southampton Eastleigh

Thu 17/12

09:20-23:36

2 stops22h 16m

£894

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Sat 12/12

13:10-16:50

2 stops19h 40m

Southampton Eastleigh

Sat 19/12

17:20-16:14

2 stops30h 54m

£1,088

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Thu 10/12

14:05-17:05

1 stop19h 00m

Southampton Eastleigh

Thu 17/12

08:40-22:15

2 stops21h 35m

£1,608

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Sorted by cheapest first

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.

SAN-SOU

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.

Related info for your journey

How long is the flight from San Diego to Southampton?
Aer Lingus and KLM can get you from San Diego to Southampton in just under 19h 40m. Your travel time can differ by up to 6h 20m. San Diego and Southampton are separated by a distance of 5462 mi. This flight may include one or multiple stops.
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.

See more FAQs

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

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

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Cheap flights from San Diego to Southampton from £275

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Diego to Southampton

Cheapest flights from San Diego to SouthamptonExplore 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 31 October 2026.

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 31 October 2026.

Best flights from San Diego to SouthamptonDiscover carefully curated flight deals from San Diego to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Discover carefully curated flight deals from San Diego to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

One-way flights from San Diego to SouthamptonSearch for one-way flight options from San Diego to Southampton. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.

Search for one-way flight options from San Diego to Southampton. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.

Find flight deals from San Diego to Southampton

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Use the filters below to find and compare flights from San Diego to Southampton that are best for you.

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.

Related info for your journey

How long is the flight from San Diego to Southampton?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southampton by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from San Diego to Southampton by cabin class

Find flights from San Diego to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Diego and Southampton flights

Browse other San Diego and Southampton flight options. Last updated on 31 October 2026.

Other flights from San Diego

Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on 31 October 2026.

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

Why should you use Cheapflights to find cheap flight tickets from San Diego to Southampton?

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

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

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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 31 October 2026.

Best flights from San Diego to Southampton
Discover carefully curated flight deals from San Diego to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

One-way flights from San Diego to Southampton
Search for one-way flight options from San Diego to Southampton. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.