How long is the flight from Southampton to San Francisco?

Aer Lingus and KLM can get you from Southampton to San Francisco in just under 14h 15m. Your travel time can differ by up to 11h 55m. Southampton and San Francisco are separated by a distance of 5349 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from SOU to SFO?

When flying from Southampton to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

£367+ Cheap Flights from Southampton to San Francisco

Cheap flight deals from Southampton to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 15 October 2026.

Wed 4/1109:20 -

1 stop14h 15m

Wed 11/1112:00 -

2 stops23h 30m

Deal found 15/10£451

Tue 27/1017:35 -

1 stop26h 10m

Fri 27/1113:50 -

1 stop19h 00m

Deal found 12/10£652

Thu 26/1117:35 -

1 stop26h 10m

Thu 3/1212:17 -

2 stops20h 48m

Deal found 11/10£655

Tue 27/1008:40 -

2 stops20h 58m

Fri 27/1112:10 -

2 stops20h 40m

Deal found 12/10£673

Tue 27/1017:35 -

1 stop26h 10m

Thu 7/113:50 -

1 stop19h 10m

Deal found 13/10£699

Mon 9/1117:45 -

1 stop26h 00m

Fri 27/1107:00 -

2 stops25h 50m

Deal found 12/10£699

Sat 31/1017:20 -

2 stops30h 47m

Thu 7/113:50 -

1 stop19h 10m

Deal found 13/10£703

Thu 31/1208:40 -

2 stops34h 06m

Sun 13/607:00 -

2 stops26h 00m

Deal found 12/10£704

Find flight deals from Southampton to San Francisco

Round-trip from	£451
One-way from	£367
Popular in	December
Cheapest in	February
Average price	£506

Aer Lingus
4/11-11/11
3 total stops
37h 45m total
Southampton to San Francisco

Search Deals

30/11-31/12
2 total stops
51h 20m total
Southampton to San Francisco

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 13/1

08:40-22:39

2 stops21h 59m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£460

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 4/11

09:20-15:35

1 stop14h 15m

San Francisco

Wed 11/11

17:20-19:30

1 stop18h 10m

£463

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 13/1

08:40-21:30

2 stops20h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£469

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sun 20/12

21:00-14:55

2 stops49h 55m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£637

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Tue 27/10

08:40-22:38

2 stops20h 58m

San Francisco

Fri 27/11

12:10-16:50

2 stops20h 40m

£673

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Tue 27/10

17:35-12:45

1 stop26h 10m

San Francisco

Sat 9/1

06:00-17:00

2 stops27h 00m

£699

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 12/11

08:40-11:45

1 stop35h 05m

San Francisco

Mon 23/11

23:05-08:10

2 stops25h 05m

£699

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Mon 9/11

08:40-11:45

1 stop35h 05m

San Francisco

Tue 24/11

10:38-17:05

2 stops22h 27m

£699

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sat 14/11

09:25-21:49

2 stops20h 24m

San Francisco

Wed 25/11

12:10-17:05

2 stops20h 55m

£703

Fastest return journey

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sat 19/12

09:20-15:35

1 stop14h 15m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£711

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 19 resultsSorted by cheapest first

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.

SOU-SFO

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.

Related info for your journey

How long is the flight from Southampton to San Francisco?
Aer Lingus and KLM can get you from Southampton to San Francisco in just under 14h 15m. Your travel time can differ by up to 11h 55m. Southampton and San Francisco are separated by a distance of 5349 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with 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 holiday 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.

See more FAQs

San Bruno

Santa Cruz

Roseville

Newark

Bodega Bay

Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to California

Flights by cabin class

Other flight options

Other flights from Southampton

Popular flights

San Francisco flight routes

Alternative routes for Southampton to San Francisco

Heathrow to Los Angeles flights

Heathrow to Las Vegas flights

Heathrow to San Francisco flights

Gatwick to Los Angeles flights

London City to Los Angeles flights

Stansted to Los Angeles flights

Heathrow to Ontario flights

Gatwick to Las Vegas flights

Gatwick to San Francisco flights

Luton to Los Angeles flights

London City to Las Vegas flights

London City to San Francisco flights

Stansted to San Francisco flights

Stansted to Las Vegas flights

Luton to San Francisco flights

Heathrow to Burbank flights

Heathrow to San Diego flights

Heathrow to Long Beach flights

Manchester to Las Vegas flights

Luton to Las Vegas flights

Heathrow to Oakland flights

Heathrow to Santa Ana flights

Manchester to Los Angeles flights

Gatwick to San Diego flights

Heathrow to San Jose flights

Stansted to San Diego flights

Manchester to San Francisco flights

London City to San Diego flights

Birmingham to Los Angeles flights

Southend to Los Angeles flights

Gatwick to Ontario flights

Edinburgh to Los Angeles flights

Gatwick to Burbank flights

Manchester to Ontario flights

Birmingham to Las Vegas flights

Edinburgh to Las Vegas flights

Gatwick to Oakland flights

London City to Ontario flights

Edinburgh to San Francisco flights

Edinburgh to Ontario flights

Manchester to San Jose flights

Heathrow to Reno flights

Manchester to San Diego flights

Birmingham to San Francisco flights

Gatwick to San Jose flights

Southampton to Los Angeles flights

Heathrow to Sacramento flights

Heathrow to Palm Springs flights

Newcastle upon Tyne to Las Vegas flights

London City to San Jose flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Southampton to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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.

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

Need flexible booking options for your flight to San Francisco 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 become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Southampton today and book when prices fit your budget.

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.

Cheap flights from Southampton to San Francisco from £367

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to San Francisco

Cheapest flights from Southampton to San FranciscoExplore 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 15 October 2026.

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 15 October 2026.

Best flights from Southampton to San FranciscoDiscover carefully curated flight deals from Southampton to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from Southampton to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Southampton to San FranciscoDiscover last-minute flight deals from Southampton to San Francisco. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to San Francisco. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Southampton to San FranciscoSearch for one-way flight options from Southampton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from Southampton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Find flight deals from Southampton to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to San Francisco that are best for you.

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.

Related info for your journey

How long is the flight from Southampton to San Francisco?

Can I find deals for flights from Southampton to San Francisco that include hotel bookings?

How can I find direct flights from Southampton to San Francisco?

Can I find deals for business class flights from Southampton to San Francisco?

Travelling to a place near San Francisco?

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.

Complete your trip

Complete your trip to San Francisco by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Southampton to San Francisco by cabin class

Find flights from Southampton to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and San Francisco flights

Browse other Southampton and San Francisco flight options. Last updated on 15 October 2026.

Other flights from Southampton

Browse through other flights departing from Southampton. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 15 October 2026.

Best flights from Southampton to San Francisco
Discover carefully curated flight deals from Southampton to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from Southampton to San Francisco
Discover last-minute flight deals from Southampton to San Francisco. Data last updated 15 October 2026 and is based on user searches.

One-way flights from Southampton to San Francisco
Search for one-way flight options from Southampton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.