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$669+ Cheap flights from Southampton (SOU) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Southampton to San Francisco

Cheapest flights from Southampton to San Francisco
Explore the most affordable flight options available from Southampton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This KLM deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:25 amSOU - SFO
2 stops21h 40mKLM
Wed 12/101:55 pmSFO - SOU
1 stop34h 10mKLM
Deal found 11/26$746
This Trip.com deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:30 amSOU - SFO
1 stop14h 05mBritish Airways
Wed 12/105:20 pmSFO - SOU
1 stop18h 20mBritish Airways
Deal found 11/26$773
This British Airways deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:30 amSOU - SFO
1 stop14h 05mBritish Airways
Mon 12/155:20 pmSFO - SOU
1 stop18h 20mBritish Airways
Deal found 11/26$1,170
This British Airways deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:30 amSOU - SFO
1 stop14h 05mBritish Airways
Tue 12/165:20 pmSFO - SOU
1 stop14h 15mBritish Airways
Deal found 11/26$1,452
This Mytrip deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:30 amSOU - SFO
2 stops33h 35mMultiple Airlines
Wed 12/108:25 amSFO - SOU
3 stops23h 10mMultiple Airlines
Deal found 11/26$1,566

Cheap flight deals from Southampton to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to San Francisco (SFO). 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 November 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$669
(Virgin Atlantic)

Popular in

July

Cheapest in

September

Average price

$620
Provider with most accurate pricing for Southampton Eastleigh-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Southampton Eastleigh-San Francisco flights.
Search Deals
From Southampton Eastleigh to San Francisco
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southampton to San Francisco 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 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Southampton to San Francisco that are best for you.

Fly from

Southampton

Fly to

San Francisco

Route

Depart

Return

Price

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 1/21

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Sun 1/25

1:55 pm-5:00 pm

1 stop19h 05m

$669

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 1/21

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Sun 1/25

1:55 pm-5:00 pm

1 stop19h 05m

$680

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 3/1

5:45 pm-11:50 am

1 stop26h 05m

San Francisco

Tue 3/10

2:55 pm-5:00 pm

1 stop19h 05m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/2

5:30 pm-11:50 am

1 stop26h 20m

San Francisco

Mon 3/9

2:55 pm-5:00 pm

1 stop19h 05m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/25

5:30 pm-11:50 am

1 stop26h 20m

San Francisco

Sun 3/8

2:55 pm-5:00 pm

1 stop19h 05m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 3/1

5:45 pm-11:50 am

1 stop26h 05m

San Francisco

Mon 3/9

2:55 pm-5:00 pm

1 stop19h 05m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/2

5:30 pm-11:50 am

1 stop26h 20m

San Francisco

Wed 3/11

2:55 pm-5:25 pm

1 stop19h 30m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/2

8:50 am-11:50 am

1 stop35h 00m

San Francisco

Tue 3/10

11:57 am-5:00 pm

2 stops22h 03m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 3/1

5:45 pm-11:50 am

1 stop26h 05m

San Francisco

Sun 3/8

2:55 pm-5:00 pm

1 stop19h 05m

$684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 4/10

4:45 pm-1:50 pm

2 stops29h 05m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on Southampton-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Southampton-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Southampton-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Southampton-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Southampton-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Southampton to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Southampton with our price prediction graph.
Estimated round-trip 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

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

Currently, April is the cheapest month in which you can book a flight from Southampton to San Francisco (average of $456). Flying from Southampton to San Francisco in July is currently the most expensive (average of $613). 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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Virgin Atlantic and Delta can get you from Southampton to San Francisco in just under 26h 15m. Your travel time can differ by up to . The distance from Southampton to San Francisco is about 5349 mi.

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

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

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

    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.

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

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

    Currently, April is the cheapest month in which you can book a flight from Southampton to San Francisco (average of $456). Flying from Southampton to San Francisco in July is currently the most expensive (average of $613). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Daly City
Redwood City
Vallejo
Hollister
Foster City
Milpitas
Union City
Davis
Hayward
Burlingame

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