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$592+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
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 octubre 14, 2025.

This KLM deal was found by Cheapflights users on 10/11. 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.
mié. 11/268:40 amSOU - SFO
2 stops22h 31mKLM
mié. 12/37:00 amSFO - SOU
2 stops17h 20mKLM
Deal found 10/11$770
This Delta deal was found by Cheapflights users on 10/12. 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.
mié. 11/268:40 amSOU - SFO
2 stops17h 29mDelta
mié. 12/38:25 amSFO - SOU
2 stops25h 00mDelta
Deal found 10/12$773
This KLM deal was found by Cheapflights users on 10/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/276:05 pmSOU - SFO
1 stop25h 45mKLM
jue. 12/47:00 amSFO - SOU
2 stops17h 05mKLM
Deal found 10/13$808
This CrystalTravel deal was found by Cheapflights users on 10/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/285:30 pmSOU - SFO
1 stop26h 20mVirgin Atlantic
vie. 12/51:55 pmSFO - SOU
1 stop19h 05mVirgin Atlantic
Deal found 10/14$931
This Delta deal was found by Cheapflights users on 10/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/285:30 pmSOU - SFO
1 stop26h 20mDelta
jue. 12/412:30 amSFO - SOU
2 stops24h 20mDelta
Deal found 10/14$943
This Expedia deal was found by Cheapflights users on 10/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/288:40 amSOU - SFO
2 stops23h 32mMultiple Airlines
vie. 12/57:15 amSFO - SOU
2 stops17h 35mMultiple Airlines
Deal found 10/14$1,015
This oojo deal was found by Cheapflights users on 10/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/262:25 pmSOU - SFO
3 stops57h 10mBritish Airways
mié. 12/38:40 pmSFO - SOU
2 stops28h 05mBritish Airways
Deal found 10/11$1,017
This Expedia deal was found by Cheapflights users on 10/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/272:35 pmSOU - SFO
3 stops32h 25mMultiple Airlines
jue. 12/410:16 amSFO - SOU
2 stops21h 19mMultiple Airlines
Deal found 10/13$1,070
This British Airways deal was found by Cheapflights users on 10/12. 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.
dom. 10/269:30 amSOU - SFO
1 stop15h 05mBritish Airways
dom. 11/26:20 pmSFO - SOU
1 stop17h 20mBritish Airways
Deal found 10/12$1,166
This British Airways deal was found by Cheapflights users on 10/14. 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.
mié. 10/297:55 pmSOU - SFO
2 stops27h 05mBritish Airways
mar. 11/45:20 pmSFO - SOU
1 stop18h 20mBritish Airways
Deal found 10/14$1,169

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 octubre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$808
(KLM)

One-way from

$592
(British Airways)

Popular in

July

Cheapest in

February

Average price

$649
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
One-way flight from Southampton Eastleigh to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($114 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 October 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 octubre 14, 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

mié. 11/26

8:40 am-11:11 pm

2 stops22h 31m

San Francisco

mié. 12/3

7:00 am-8:20 am

2 stops17h 20m

$770

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

mié. 11/26

8:40 am-6:09 pm

2 stops17h 29m

San Francisco

mié. 12/3

8:25 am-5:25 pm

2 stops25h 00m

$773

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

jue. 11/27

6:05 pm-11:50 am

1 stop25h 45m

San Francisco

jue. 12/4

7:00 am-8:05 am

2 stops17h 05m

$808

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

vie. 11/28

5:30 pm-11:50 am

1 stop26h 20m

San Francisco

vie. 12/5

1:55 pm-5:00 pm

1 stop19h 05m

$931

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

vie. 11/28

5:30 pm-11:50 am

1 stop26h 20m

San Francisco

jue. 12/4

12:30 am-8:50 am

2 stops24h 20m

$943

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

vie. 11/28

8:40 am-12:12 am

2 stops23h 32m

San Francisco

vie. 12/5

7:15 am-8:50 am

2 stops17h 35m

$1,015

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

jue. 1/1

8:50 am-10:36 am

2 stops33h 46m

San Francisco

mié. 1/28

9:00 am-8:25 am

2 stops39h 25m

$1,016

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

mié. 11/26

2:25 pm-3:35 pm

3 stops57h 10m

San Francisco

mié. 12/3

8:40 pm-8:45 am

2 stops28h 05m

$1,017

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

lun. 3/2

9:30 am-3:35 pm

1 stop14h 05m

$592

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

mar. 3/3

4:05 pm-3:35 pm

1 stop31h 30m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 17 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, December is the cheapest month in which you can book a flight from Southampton to San Francisco (average of $453). 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?

    KLM and Delta can get you from Southampton to San Francisco in just under 17h 29m. Your travel time can differ by up to 5h 02m. 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, December is the cheapest month in which you can book a flight from Southampton to San Francisco (average of $453). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Vacaville
Hollister
Foster City
Union City
Vallejo
Fairfield
Burlingame
Redwood City
Lodi
San Mateo

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