$292 Cheap Flights from San Francisco (SFO) to Southampton (SOU)

View $292 flight on Wed, May 6, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Southampton (SOU)

Cheap Flights from San Francisco to Southampton (SFO-SOU)

Prices were available within the past 7 days and start at $292 for one-way flights and $730 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 8 - Wed, Dec 24
SFO
San Francisco
SOU
Southampton
$730 Roundtrip, found 5 days ago
$730
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Dec 8 from San Francisco to Southampton, returning Wed, Dec 24, priced at $730 found 5 days ago
Virgin Atlantic
Wed, Dec 31 - Mon, Jan 19
SFO
San Francisco
SOU
Southampton
$730 Roundtrip, found 3 days ago
$730
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Wed, Dec 31 from San Francisco to Southampton, returning Mon, Jan 19, priced at $730 found 3 days ago
Virgin Atlantic
Tue, Jan 13 - Mon, Jan 26
SFO
San Francisco
SOU
Southampton
$738 Roundtrip, found 3 days ago
$738
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Tue, Jan 13 from San Francisco to Southampton, returning Mon, Jan 26, priced at $738 found 3 days ago
Delta
Mon, Dec 8 - Tue, Dec 23
SFO
San Francisco
SOU
Southampton
$740 Roundtrip, found 5 days ago
$740
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Dec 8 from San Francisco to Southampton, returning Tue, Dec 23, priced at $740 found 5 days ago
Virgin Atlantic
Wed, May 6 - Tue, May 12
SFO
San Francisco
SOU
Southampton
$752 Roundtrip, found 5 days ago
$752
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Wed, May 6 from San Francisco to Southampton, returning Tue, May 12, priced at $752 found 5 days ago
Virgin Atlantic
Mon, Dec 8 - Mon, Dec 22
SFO
San Francisco
SOU
Southampton
$756 Roundtrip, found 3 days ago
$756
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Mon, Dec 8 from San Francisco to Southampton, returning Mon, Dec 22, priced at $756 found 3 days ago
Delta
Wed, Dec 31 - Mon, Jan 12
SFO
San Francisco
SOU
Southampton
$757 Roundtrip, found 16 hours ago
$757
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Dec 31 from San Francisco to Southampton, returning Mon, Jan 12, priced at $757 found 16 hours ago
KLM
Mon, Mar 2 - Mon, Mar 9
SFO
San Francisco
SOU
Southampton
$802 Roundtrip, found 3 days ago
$802
Roundtrip
found 3 days ago
Select KLM flight, departing Mon, Mar 2 from San Francisco to Southampton, returning Mon, Mar 9, priced at $802 found 3 days ago
Aer Lingus
Mon, Feb 9 - Mon, Feb 16
SFO
San Francisco
SOU
Southampton
$905 Roundtrip, found 3 days ago
$905
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Feb 9 from San Francisco to Southampton, returning Mon, Feb 16, priced at $905 found 3 days ago
British Airways
Tue, Dec 9 - Sat, Dec 20
SFO
San Francisco
SOU
Southampton
$4,348 Roundtrip, found 12 hours ago
$4,348
Roundtrip
found 12 hours ago
Select British Airways flight, departing Tue, Dec 9 from San Francisco to Southampton, returning Sat, Dec 20, priced at $4,348 found 12 hours ago
Flights from San Francisco (SFO) to Southampton (SOU)
Origin airport
San Francisco Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways, Delta, KLM, Virgin Atlantic
Roundtrip price
$730
Distance
5353 mi

San Francisco to Southampton Flights

The cheapest times to fly from San Francisco to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Southampton are during the month of December. You can find some of the cheapest flights from San Francisco to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Southampton

Sunday is one of the best days to book for cheap flights from San Francisco to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Southampton in 2026. You can also book with separate airlines for your outbound and return journeys, from $292 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU) cost?
Get a cheap one-way flight from $292 or cheap return flight from $730 from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU)?
Flying in December can help you save, as it's the cheapest month for flights between SFO and SOU. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SFO to SOU. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU)?
You'll have to hop on a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SFO to SOU?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU)?
To avoid potential delays on the San Francisco Intl. Airport (SFO) to Southampton Airport (SOU) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU) last-minute?
Booking your plane ticket from SFO to SOU right before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SFO to SOU flight and hotel package?
Opting for a SFO to SOU flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Southampton Airport (SOU)?
Typically, you're able to reschedule or cancel your SFO to SOU flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.