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Cheap flights from San Diego to Southampton from £687

SAN — SOU
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from San Diego to Southampton

Wed 28/1014:10 -
2 stops19h 55m
Wed 4/1117:35 -
1 stop26h 35m
Deal found 13/9£687
Mon 26/1012:38 -
2 stops21h 27m
Mon 2/1117:45 -
1 stop26h 25m
Deal found 11/9£691
Mon 28/906:25 -
2 stops18h 10m
Tue 13/1017:20 -
2 stops29h 50m
Deal found 11/9£698
Tue 22/1214:05 -
1 stop34h 05m
Wed 6/117:30 -
1 stop26h 40m
Deal found 13/9£822
Fri 25/913:38 -
2 stops19h 12m
Mon 28/917:20 -
1 stop26h 30m
Deal found 11/9£823
Fri 25/913:38 -
2 stops19h 12m
Mon 28/917:20 -
2 stops29h 41m
Deal found 11/9£831
Tue 22/1214:05 -
1 stop18h 55m
Tue 5/108:40 -
2 stops20h 09m
Deal found 13/9£1,236
Tue 22/1214:05 -
1 stop18h 55m
Mon 4/108:40 -
2 stops20h 09m
Deal found 13/9£1,288
Mon 26/1018:35 -
3 stops31h 15m
Mon 2/1115:15 -
3 stops35h 59m
Deal found 11/9£1,319

Find flight deals from San Diego to Southampton

Round-trip from

£687

Popular in

June

Cheapest in

February

Average price

£722
KLM
  • KLM
  • 28/10-4/11
  • 3 total stops
  • 46h 30m total
  • San Diego to Southampton
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£162 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Wed 28/10

14:10-17:05

2 stops19h 55m

Southampton Eastleigh

Wed 4/11

17:35-12:10

1 stop26h 35m

£687

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Mon 26/10

12:38-17:05

2 stops21h 27m

Southampton Eastleigh

Mon 2/11

17:45-12:10

1 stop26h 25m

£691

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Mon 28/9

06:25-08:35

2 stops18h 10m

Southampton Eastleigh

Tue 13/10

17:20-15:10

2 stops29h 50m

£698

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Tue 16/2

14:05-08:10

1 stop34h 05m

Southampton Eastleigh

Sun 21/2

09:30-20:25

2 stops42h 55m

£738
Fastest return journey

San DiegoSouthampton

SAN San Diego - SOU Southampton Eastleigh

SANSOU

San Diego

Wed 17/2

07:00-08:10

2 stops17h 10m

Southampton Eastleigh

Sun 21/2

09:30-20:25

2 stops18h 55m

£742

Flights are sorted by cheapest return flights first.

Deals found on 13/9

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.
Estimated return price

Related info for your journey

  • How long is the flight from San Diego to Southampton?

    KLM can get you from San Diego to Southampton in just under 19h 55m. Your travel time can differ by up to . San Diego and Southampton are separated by a distance of 5462 mi.

  • 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.

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