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Cheap flights from Southampton to San Francisco Bay Area from £310

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Southampton to San Francisco Bay Area

Keep the following information in mind while searching for Southampton to San Francisco Bay Area flight deals. Data was last updated 29 August 2025.

Round-trip from

£543

One-way from

£310

Popular in

July

Cheapest in

February

Average price

£611
KLM
  • KLM
  • 26/9-3/10
  • 3 total stops
  • 53h 45m total
  • Southampton to San Francisco Bay Area
Search Deals
15/10
  • 15/10
  • 3 total stops
  • 57h 45m total
  • Southampton to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Southampton to San Francisco Bay Area

Cheapest flights from Southampton to San Francisco Bay Area
Explore the most affordable flight options available from Southampton to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Fri 26/909:20SOU - SFO
2 stops18h 45mKLM
Fri 3/1013:45SFO - SOU
1 stop35h 00mKLM
Deal found 27/8£543
Fri 26/920:00SOU - SFO
1 stop27h 55mAer Lingus
Fri 3/1017:40SFO - SOU
1 stop30h 55mAer Lingus
Deal found 27/8£552
Wed 5/1117:30SOU - OAK
2 stops30h 41mDelta
Sun 9/1105:45OAK - SOU
2 stops27h 40mDelta
Deal found 27/8£573
Sun 12/1009:20SOU - SFO
1 stop34h 25mKLM
Sun 19/1013:45SFO - SOU
1 stop35h 00mKLM
Deal found 28/8£584
Sat 11/1009:40SOU - SFO
1 stop14h 15mAer Lingus
Sat 18/1017:40SFO - SOU
1 stop17h 50mAer Lingus
Deal found 27/8£589
Tue 23/1217:30SOU - SFO
1 stop26h 20mDelta
Mon 29/1213:55SFO - SOU
1 stop19h 05mDelta
Deal found 28/8£591
Wed 24/1208:40SOU - SFO
2 stops20h 33mDelta
Mon 29/1213:55SFO - SOU
1 stop19h 05mDelta
Deal found 28/8£595
Mon 1/917:15SOU - SFO
1 stop30h 40mAer Lingus
Mon 8/923:25SFO - SOU
2 stops24h 40mAer Lingus
Deal found 27/8£641
Thu 6/1119:55SOU - SFO
2 stops27h 05mBritish Airways
Tue 25/1117:30SFO - SOU
2 stops17h 55mBritish Airways
Deal found 28/8£663
Tue 14/1019:55SOU - SFO
2 stops29h 30mBritish Airways
Wed 12/1117:30SFO - SOU
2 stops17h 55mBritish Airways
Deal found 28/8£682
Thu 6/1119:55SOU - SFO
2 stops27h 05mBritish Airways
Wed 12/1117:30SFO - SOU
2 stops17h 55mBritish Airways
Deal found 27/8£685
Mon 1/920:00SOU - SJC
2 stops34h 43mMultiple Airlines
Mon 8/913:00SJC - SOU
2 stops35h 05mMultiple Airlines
Deal found 27/8£1,234

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to San Francisco Bay Area 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 29 August 2025.
Use the filters below to find and compare flights from Southampton to San Francisco Bay Area that are best for you.

Fly from

Southampton

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 26/9

09:20-20:05

2 stops18h 45m

San Francisco

Fri 3/10

13:45-08:45

1 stop35h 00m

£543

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 26/9

09:20-23:09

2 stops21h 49m

San Francisco

Thu 2/10

00:45-08:45

2 stops24h 00m

£543

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 26/9

20:00-15:55

1 stop27h 55m

San Francisco

Fri 3/10

17:40-08:35

1 stop30h 55m

£552

SouthamptonOakland

SOU - OAK

SOUOAK

Southampton Eastleigh

Wed 5/11

17:30-16:11

2 stops30h 41m

Oakland

Sun 9/11

05:45-17:25

2 stops27h 40m

£573

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 12/10

09:20-11:45

1 stop34h 25m

San Francisco

Sun 19/10

13:45-08:45

1 stop35h 00m

£584

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 12/10

18:25-11:45

1 stop25h 20m

San Francisco

Sun 19/10

07:00-08:45

2 stops17h 45m

£584

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sat 11/10

09:40-15:55

1 stop14h 15m

San Francisco

Sat 18/10

17:40-19:30

1 stop17h 50m

£589

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 23/12

17:30-11:50

1 stop26h 20m

San Francisco

Mon 29/12

06:05-17:00

2 stops26h 55m

£591

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 24/12

08:40-21:13

2 stops20h 33m

San Francisco

Mon 29/12

13:55-17:00

1 stop19h 05m

£595

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 15/10

09:10-10:55

3 stops57h 45m

£310

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 17 results
1
2

Best time to book a flight from Southampton to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Southampton 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 Southampton to San Francisco Bay Area

What is the cheapest month to book a flight from Southampton to San Francisco Bay Area?

Currently, February is the cheapest month in which you can book a flight from Southampton to San Francisco Bay Area (average of £538). Flying from Southampton to San Francisco Bay Area in July is currently the most expensive (average of £803). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Southampton to San Francisco Bay Area?

    If you book a flight to San Francisco Bay Area from Southampton, you will be flying from Eastleigh, which is the city’s only airport. Southampton Eastleigh (SOU) is located 3.5 mi from the center of Southampton.

  • How long is the flight from Southampton to San Francisco Bay Area?

    Airlines like KLM, Delta, and Aer Lingus fly from Southampton to San Francisco Bay Area in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 9h 10m. The distance between Southampton and San Francisco Bay Area is about 5349 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Southampton to San Francisco Bay Area?

    The most popular flight routes from Southampton to San Francisco Bay Area are Southampton Eastleigh - San Francisco, Southampton Eastleigh - Oakland and Southampton Eastleigh - San Jose.

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

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

  • How can I find direct flights from Southampton to San Francisco Bay Area?

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

  • Can I find deals for business class flights from Southampton to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Southampton to San Francisco Bay Area 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 Southampton to San Francisco Bay Area?

    Currently, February is the cheapest month in which you can book a flight from Southampton to San Francisco Bay Area (average of £538). Flying from Southampton to San Francisco Bay Area in July is currently the most expensive (average of £803). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to San Francisco Bay Area

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