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$586+ Cheap flights from Southampton (SOU) to San Francisco (SFO)

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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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 January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$621
(TravelUp)

One-way from

$586
(British Airways)

Popular in

July

Cheapest in

February

Average price

$661
Provider with most accurate pricing for Southampton Eastleigh-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Southampton Eastleigh-San Francisco flights.
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From Southampton Eastleigh to San Francisco
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One-way flight from Southampton Eastleigh to San Francisco
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This TravelUp deal was found by Cheapflights users on 1/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/289:25 am
SOU
-
SFO
1 stop34h 25m
Virgin Atlantic
Sat 3/710:55 pm
SFO
-
SOU
2 stops34h 10m
Virgin Atlantic
Deal found 1/14$621
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/219:25 am
SOU
-
SFO
1 stop34h 25m
Delta
Sat 3/710:55 pm
SFO
-
SOU
2 stops34h 10m
Delta
Deal found 1/13$650
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:35 pm
SOU
-
SFO
1 stop26h 15m
Delta
Sat 3/710:55 pm
SFO
-
SOU
2 stops34h 10m
Delta
Deal found 1/13$651
This British Airways deal was found by Cheapflights users on 1/15. 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.
Mon 3/239:30 am
SOU
-
SFO
1 stop14h 05m
British Airways
Tue 4/145:35 pm
SFO
-
SOU
1 stop17h 55m
British Airways
Deal found 1/15$687
This British Airways deal was found by Cheapflights users on 1/14. 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.
Thu 1/228:10 pm
SOU
-
SFO
1 stop27h 25m
British Airways
Mon 1/265:20 pm
SFO
-
SOU
1 stop34h 35m
British Airways
Deal found 1/14$689
This British Airways deal was found by Cheapflights users on 1/13. 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.
Sat 2/219:30 am
SOU
-
SFO
1 stop14h 05m
British Airways
Sat 3/75:20 pm
SFO
-
SOU
1 stop31h 25m
British Airways
Deal found 1/13$691
This British Airways deal was found by Cheapflights users on 1/15. 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.
Tue 3/244:05 pm
SOU
-
SFO
1 stop31h 30m
British Airways
Tue 4/145:35 pm
SFO
-
SOU
1 stop17h 55m
British Airways
Deal found 1/15$694
This British Airways deal was found by Cheapflights users on 1/14. 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 2/208:10 pm
SOU
-
SFO
1 stop27h 25m
British Airways
Sat 3/75:20 pm
SFO
-
SOU
1 stop31h 25m
British Airways
Deal found 1/14$698
This TravelUp deal was found by Cheapflights users on 1/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/289:30 am
SOU
-
SFO
1 stop14h 05m
British Airways
Sat 3/75:20 pm
SFO
-
SOU
1 stop31h 25m
British Airways
Deal found 1/14$703
This British Airways deal was found by Cheapflights users on 1/15. 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.
Mon 4/279:10 am
SOU
-
SFO
1 stop14h 40m
British Airways
Thu 4/305:35 pm
SFO
-
SOU
1 stop31h 05m
British Airways
Deal found 1/15$721

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 January 15, 2026.
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

Sat 2/28

9:25 am-11:50 am

1 stop34h 25m

San Francisco

Sat 3/7

10:55 pm-5:05 pm

2 stops34h 10m

$621

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sat 2/21

9:25 am-11:50 am

1 stop34h 25m

San Francisco

Sat 3/7

10:55 pm-5:05 pm

2 stops34h 10m

$650

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 2/17

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Sat 3/7

10:55 pm-5:05 pm

2 stops34h 10m

$651

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/18

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Sat 3/7

5:45 am-5:15 pm

2 stops27h 30m

$651

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/23

9:30 am-4:35 pm

1 stop14h 05m

San Francisco

Tue 4/14

5:35 pm-7:30 pm

1 stop17h 55m

$687

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 2/19

8:10 pm-3:35 pm

1 stop27h 25m

San Francisco

Sat 3/7

5:20 pm-8:45 am

1 stop31h 25m

$690

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 4/27

9:10 am-3:50 pm

1 stop14h 40m

San Francisco

Thu 4/30

5:35 pm-8:40 am

1 stop31h 05m

$721

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/18

12:15 pm-3:00 pm

2 stops34h 45m

San Francisco

Sat 3/7

5:20 pm-8:45 am

1 stop31h 25m

$736

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 2/19

9:00 am-11:50 am

1 stop34h 50m

San Francisco

Sat 3/7

10:55 pm-5:05 pm

2 stops34h 10m

$737

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 2/20

8:10 pm-3:35 pm

1 stop27h 25m

San Francisco

Sat 3/7

8:40 pm-6:30 pm

2 stops37h 50m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 20 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, February is the cheapest month in which you can book a flight from Southampton to San Francisco (average of $474). Flying from Southampton to San Francisco in July is currently the most expensive (average of $596). 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, Delta, and British Airways can get you from Southampton to San Francisco in just under 14h 05m. Your travel time can differ by up to 20h 20m. The distance from Southampton to San Francisco is about 5349 mi. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from Southampton to San Francisco (average of $474). Flying from Southampton to San Francisco in July is currently the most expensive (average of $596). 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
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Hollister
Redwood City
Union City
Elk Grove
Foster City

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