Find flights
When to book
FAQs

Cheap flights from Southampton to San Francisco Bay Area from £439

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — SFO
18 oct. — 25 oct.1
1 adult
1 adult, Economy

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 18 septembre 2025.

Round-trip from

£484

One-way from

£439

Popular in

July

Cheapest in

February

Average price

£421
Delta
  • Delta
  • 1/11-7/11
  • 4 total stops
  • 44h 20m total
  • Southampton to San Francisco Bay Area
Search Deals
British Airways
  • British Airways
  • 10/11
  • 1 total stop
  • 14h 05m total
  • Southampton to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£63 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 September 2025
Search Deals

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 18 septembre 2025.

sam. 1/1109:25SOU - SFO
2 stops20h 05mDelta
ven. 7/1100:35SFO - SOU
2 stops24h 15mDelta
Deal found 17/9£484
sam. 1/1109:25SOU - SFO
2 stops20h 05mKLM
sam. 8/1113:55SFO - SOU
1 stop34h 15mKLM
Deal found 17/9£493
sam. 1/1109:30SOU - SFO
1 stop14h 05mAer Lingus
sam. 8/1117:20SFO - SOU
1 stop18h 20mAer Lingus
Deal found 17/9£503
ven. 7/1109:30SOU - SFO
1 stop14h 05mBritish Airways
mar. 11/1117:20SFO - SOU
1 stop18h 20mBritish Airways
Deal found 15/9£585
mar. 30/919:55SOU - SFO
2 stops29h 30mBritish Airways
mar. 7/1017:40SFO - SOU
1 stop17h 50mBritish Airways
Deal found 16/9£747
sam. 1/1117:30SOU - SFO
3 stops29h 05mMultiple Airlines
sam. 8/1116:40SFO - SOU
3 stops31h 30mMultiple Airlines
Deal found 17/9£867

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 18 septembre 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

sam. 1/11

09:25-22:30

2 stops20h 05m

San Francisco

ven. 7/11

00:35-08:50

2 stops24h 15m

£484

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

sam. 1/11

09:25-22:30

2 stops20h 05m

San Francisco

sam. 8/11

07:15-08:50

2 stops17h 35m

£484

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

sam. 1/11

09:30-16:35

1 stop14h 05m

San Francisco

sam. 8/11

17:20-19:40

1 stop18h 20m

£503

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

ven. 7/11

09:30-15:35

1 stop14h 05m

San Francisco

mar. 11/11

17:20-19:40

1 stop18h 20m

£585

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

mar. 30/9

19:55-17:25

2 stops29h 30m

San Francisco

mar. 7/10

17:40-19:30

1 stop17h 50m

£747

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

sam. 1/11

09:40-12:50

2 stops34h 10m

San Francisco

sam. 8/11

16:35-11:50

3 stops35h 15m

£955

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

lun. 10/11

09:30-15:35

1 stop14h 05m

£439

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

jeu. 6/11

19:55-15:00

2 stops27h 05m

£545

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

mer. 31/12

08:40-15:00

2 stops38h 20m

£607

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

mar. 7/10

09:10-15:55

1 stop14h 45m

£630

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 14 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 Delta, KLM, and Aer Lingus fly from Southampton to San Francisco Bay Area in about 14h 05m. The time it takes to get you to your destination can typically vary by up to 6h. 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

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

Alternative routes for Southampton to San Francisco Bay Area

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
London City to Los Angeles flights
Gatwick to San Francisco flights
London City to San Francisco flights
Gatwick to Los Angeles flights
Gatwick to Las Vegas flights
Heathrow to San Diego flights
Heathrow to Ontario flights
Heathrow to Santa Ana flights
Stansted to Los Angeles flights
Luton to Los Angeles flights
London City to Las Vegas flights
Heathrow to Burbank flights
Heathrow to San Jose flights
Heathrow to Long Beach flights
Stansted to San Francisco flights
Heathrow to Oakland flights
Luton to San Francisco flights
Gatwick to San Jose flights
Manchester to Las Vegas flights
Gatwick to Oakland flights
Manchester to Los Angeles flights
Manchester to San Francisco flights
Gatwick to Burbank flights
Luton to Las Vegas flights
Gatwick to San Diego flights
Stansted to Las Vegas flights
Gatwick to Santa Ana flights
Manchester to Santa Ana flights
London City to San Diego flights
Edinburgh to San Francisco flights
Manchester to Ontario flights
Heathrow to Sacramento flights
Manchester to Burbank flights
London City to Oakland flights
Manchester to San Jose flights
London City to Burbank flights
Manchester to Oakland flights
Manchester to San Diego flights
Edinburgh to Los Angeles flights
Southend to San Francisco flights
Newcastle upon Tyne to Los Angeles flights
Gatwick to Sacramento flights
Edinburgh to San Diego flights
Edinburgh to Las Vegas flights
Gatwick to Ontario flights
Heathrow to Palm Springs flights
London City to Santa Ana flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to San Francisco Bay Area?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco Bay Area from Southampton today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Southampton to San Francisco Bay Area?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to San Francisco Bay Area.

Can Cheapflights find flights from Southampton to San Francisco Bay Area with no change fees?

Need flexible booking options for your flight to San Francisco Bay Area from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to San Francisco Bay Area become cheaper?

Of course! You can now track prices for flights from Southampton to San Francisco Bay Area and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.