HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$568+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Southampton to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/3. 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 12/139:25 amSOU - SFO
1 stop34h 25mDelta
Wed 1/710:55 pmSFO - SOU
2 stops25h 30mDelta
Deal found 12/3$953
This Delta deal was found by Cheapflights users on 12/4. 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 12/235:30 pmSOU - SFO
1 stop26h 20mDelta
Mon 1/510:55 pmSFO - SOU
2 stops25h 55mDelta
Deal found 12/4$968
This Delta deal was found by Cheapflights users on 12/4. 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.
Wed 12/248:40 amSOU - SFO
2 stops20h 40mDelta
Tue 1/66:55 pmSFO - SOU
2 stops38h 10mDelta
Deal found 12/4$974
This Delta deal was found by Cheapflights users on 12/3. 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 12/139:25 amSOU - SFO
1 stop34h 25mDelta
Fri 1/97:00 amSFO - SOU
2 stops17h 45mDelta
Deal found 12/3$1,003
This Delta deal was found by Cheapflights users on 12/4. 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 12/235:30 pmSOU - SFO
1 stop26h 20mDelta
Sat 1/101:55 pmSFO - SOU
1 stop34h 55mDelta
Deal found 12/4$1,005
This Delta deal was found by Cheapflights users on 12/4. 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.
Wed 12/245:30 pmSOU - SFO
1 stop26h 20mDelta
Thu 1/81:55 pmSFO - SOU
1 stop19h 10mDelta
Deal found 12/4$1,008
This Delta deal was found by Cheapflights users on 12/4. 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.
Wed 12/248:40 amSOU - SFO
2 stops20h 40mDelta
Sat 1/101:55 pmSFO - SOU
1 stop19h 20mDelta
Deal found 12/4$1,011
This Delta deal was found by Cheapflights users on 12/4. 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.
Mon 12/226:05 pmSOU - SFO
1 stop25h 45mDelta
Thu 1/87:00 amSFO - SOU
2 stops17h 25mDelta
Deal found 12/4$1,038
This British Airways deal was found by Cheapflights users on 12/4. 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 12/269:30 amSOU - SFO
1 stop14h 05mBritish Airways
Tue 1/135:20 pmSFO - SOU
1 stop31h 25mBritish Airways
Deal found 12/4$1,051
This Delta deal was found by Cheapflights users on 12/4. 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 12/279:25 amSOU - SFO
1 stop34h 25mDelta
Sun 1/1110:55 pmSFO - SOU
2 stops25h 55mDelta
Deal found 12/4$1,058
This British Airways deal was found by Cheapflights users on 12/4. 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.
Wed 12/248:35 amSOU - SFO
2 stops38h 25mBritish Airways
Tue 1/135:20 pmSFO - SOU
1 stop31h 25mBritish Airways
Deal found 12/4$1,067

Find 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 December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$657
(TravelUp)

One-way from

$568
(British Airways)

Popular in

July

Cheapest in

September

Average price

$799
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. 13% potential increase in price ($105 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 December 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 December 4, 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

Tue 2/17

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Sun 3/8

2:55 pm-5:00 pm

1 stop19h 05m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 2/17

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Wed 3/4

12:16 pm-5:25 pm

2 stops21h 09m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/18

9:25 am-11:50 am

1 stop34h 25m

San Francisco

Sun 3/8

10:55 pm-8:10 am

2 stops26h 15m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 2/17

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Tue 3/10

11:57 am-5:00 pm

2 stops22h 03m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 2/22

5:45 pm-11:50 am

1 stop26h 05m

San Francisco

Sun 3/8

2:55 pm-8:10 am

1 stop34h 15m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 2/22

5:45 pm-11:50 am

1 stop26h 05m

San Francisco

Tue 3/10

2:55 pm-5:00 pm

1 stop19h 05m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/18

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Tue 3/10

1:25 pm-5:00 pm

2 stops20h 35m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/18

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Mon 3/9

2:55 pm-5:00 pm

1 stop19h 05m

$670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 2/19

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Tue 3/10

2:55 pm-5:00 pm

1 stop19h 05m

$675

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 2/18

5:35 pm-11:50 am

1 stop26h 15m

San Francisco

Sat 3/7

1:55 pm-5:15 pm

1 stop19h 20m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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, 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?

    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
Milpitas
Foster City
Union City
Davis
San Ramon
Burlingame

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Stansted to Los Angeles flights
Gatwick to San Francisco flights
Heathrow to Ontario flights
Luton to Los Angeles flights
London City to San Francisco flights
Gatwick to Las Vegas flights
Heathrow to Santa Ana flights
London City to Las Vegas flights
Stansted to San Francisco flights
Heathrow to San Diego flights
Heathrow to San Jose flights
Heathrow to Burbank flights
Heathrow to Oakland flights
Luton to San Francisco flights
Stansted to Las Vegas flights
Heathrow to Long Beach flights
Gatwick to San Jose flights
Luton to Las Vegas flights
Gatwick to Oakland flights
Manchester to Las Vegas flights
Gatwick to San Diego flights
Manchester to Los Angeles flights
Manchester to San Francisco flights
Edinburgh to San Francisco flights
Manchester to Santa Ana flights
Manchester to Ontario flights
Edinburgh to Los Angeles flights
Manchester to Oakland flights
Manchester to San Jose flights
Birmingham to Las Vegas flights
Birmingham to Los Angeles flights
Heathrow to Sacramento flights
Manchester to Long Beach flights
Newcastle upon Tyne to Los Angeles flights
Gatwick to Ontario flights
Edinburgh to Las Vegas flights
Edinburgh to San Diego flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.