What is the cheapest airline that flies from Southampton Eastleigh to San Francisco?

British Airways and Aer Lingus are the most popular carriers operating from Southampton Eastleigh to San Francisco

Which airlines fly to San Francisco?

Virgin Atlantic, British Airways and Lufthansa are the top three most popular airlines that fly to San Francisco from Southampton according to our data. Virgin Atlantic is the first choice among our users, with 37% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 19 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Southampton Eastleigh Airport to San Francisco Airport?

Prices for flights from Southampton Eastleigh Airport to San Francisco Airport are refreshed on a daily basis.

How old do you have to be to fly from Southampton Eastleigh Airport to San Francisco Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£451 Cheap Flights from Southampton to San Francisco in 2026/27

Find the cheapest flights from Southampton to San Francisco

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

20:00 - 15:35SOU Southampton Eastleigh-SFO San Francisco

27h 35m1 stop Dublin

17:20 - 11:50SFO San Francisco-SOU Southampton Eastleigh

34h 30m1 stop Dublin

£529British Airways

Thu, 28 Jan - Mon, 1 Feb

20:00 - 15:35SOU Southampton Eastleigh-SFO San Francisco

27h 35m1 stop Dublin

17:25 - 18:45SFO San Francisco-SOU Southampton Eastleigh

17h 20m2 stops London Heathrow Belfast City

£546British Airways

Thu, 28 Jan - Mon, 1 Feb

20:00 - 15:35SOU Southampton Eastleigh-SFO San Francisco

27h 35m1 stop Dublin

17:25 - 18:45SFO San Francisco-SOU Southampton Eastleigh

17h 20m2 stops London Heathrow Belfast City

£547British Airways

Thu, 28 Jan - Mon, 1 Feb

19:15 - 14:55SOU Southampton Eastleigh-SFO San Francisco

51h 40m2 stops Belfast City London Heathrow

17:25 - 18:45SFO San Francisco-SOU Southampton Eastleigh

17h 20m2 stops London Heathrow Belfast City

£587British Airways

Thu, 28 Jan - Mon, 1 Feb

19:15 - 14:55SOU Southampton Eastleigh-SFO San Francisco

51h 40m2 stops Belfast City London Heathrow

17:25 - 18:45SFO San Francisco-SOU Southampton Eastleigh

17h 20m2 stops London Heathrow Belfast City

£588British Airways

Thu, 28 Jan - Mon, 1 Feb

20:00 - 15:35SOU Southampton Eastleigh-SFO San Francisco

27h 35m1 stop Dublin

17:20 - 11:50SFO San Francisco-SOU Southampton Eastleigh

34h 30m1 stop Dublin

£775British Airways

Thu, 28 Jan - Mon, 1 Feb

12:25 - 15:35SOU Southampton Eastleigh-SFO San Francisco

35h 10m1 stop Dublin

20:35 - 08:25SFO San Francisco-SOU Southampton Eastleigh

27h 50m2 stops London Heathrow Edinburgh Turnhouse

£784British Airways

Thu, 28 Jan - Mon, 1 Feb

19:55 - 15:35SOU Southampton Eastleigh-SFO San Francisco

27h 40m2 stops Edinburgh Turnhouse Dublin

20:35 - 08:25SFO San Francisco-SOU Southampton Eastleigh

27h 50m2 stops London Heathrow Edinburgh Turnhouse

£804British Airways

Thu, 28 Jan - Mon, 1 Feb

12:25 - 15:35SOU Southampton Eastleigh-SFO San Francisco

35h 10m1 stop Dublin

20:35 - 08:25SFO San Francisco-SOU Southampton Eastleigh

27h 50m2 stops London Heathrow Edinburgh Turnhouse

£821British Airways

Sun, 20 Dec - Tue, 29 Dec

12:25 - 15:35SOU Southampton Eastleigh-SFO San Francisco

35h 10m1 stop Dublin

20:35 - 08:25SFO San Francisco-SOU Southampton Eastleigh

27h 50m2 stops London Heathrow Edinburgh Turnhouse

£821British Airways

Sun, 20 Dec - Mon, 28 Dec

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Delta flights from Southampton to San Francisco

Our best Delta deals on Southampton to San Francisco flight tickets

Delta

20 Dec

SOU17:30Southampton Eastleigh

32h 48m

2 stops

SFO18:18San Francisco

1 Jan

SFO13:50San Francisco

19h 10m

1 stop

SOU17:00Southampton Eastleigh

£895

Delta

20 Dec

SOU17:30Southampton Eastleigh

30h 48m

2 stops

SFO16:18San Francisco

1 Jan

SFO10:38San Francisco

38h 17m

2 stops

SOU08:55Southampton Eastleigh

£936

Delta

20 Dec

SOU09:30Southampton Eastleigh

23h 11m

2 stops

SFO00:41San Francisco

1 Jan

SFO13:50San Francisco

19h 10m

1 stop

SOU17:00Southampton Eastleigh

£991

British Airways flights from Southampton to San Francisco

Our best British Airways deals on Southampton to San Francisco flight tickets

British Airways

28 Jan

SOU20:00Southampton Eastleigh

27h 35m

1 stop

SFO15:35San Francisco

1 Feb

SFO17:20San Francisco

34h 30m

1 stop

SOU11:50Southampton Eastleigh

£529

British Airways

28 Jan

SOU20:00Southampton Eastleigh

27h 35m

1 stop

SFO15:35San Francisco

1 Feb

SFO17:25San Francisco

17h 20m

2 stops

SOU18:45Southampton Eastleigh

£546

British Airways

28 Jan

SOU20:00Southampton Eastleigh

27h 35m

1 stop

SFO15:35San Francisco

1 Feb

SFO17:25San Francisco

17h 20m

2 stops

SOU18:45Southampton Eastleigh

£547

momondo 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

Thu 28/1

20:00-15:35

1 stop27h 35m

San Francisco

Mon 1/2

17:20-11:50

1 stop34h 30m

£529

Fastest return journey

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

20:00-15:35

1 stop27h 35m

San Francisco

Mon 1/2

17:25-18:45

2 stops17h 20m

£546

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

20:00-15:35

1 stop27h 35m

San Francisco

Mon 1/2

17:25-18:45

2 stops17h 20m

£547

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

19:15-14:55

2 stops51h 40m

San Francisco

Mon 1/2

17:25-18:45

2 stops17h 20m

£587

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

19:15-14:55

2 stops51h 40m

San Francisco

Mon 1/2

17:25-18:45

2 stops17h 20m

£588

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

20:00-15:35

1 stop27h 35m

San Francisco

Mon 1/2

17:20-11:50

1 stop34h 30m

£775

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

12:25-15:35

1 stop35h 10m

San Francisco

Mon 1/2

20:35-08:25

2 stops27h 50m

£784

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 28/1

19:55-15:35

2 stops27h 40m

San Francisco

Mon 1/2

20:35-08:25

2 stops27h 50m

£804

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sun 20/12

12:25-15:35

1 stop35h 10m

San Francisco

Tue 29/12

20:35-08:25

2 stops27h 50m

£821

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sun 20/12

12:25-15:35

1 stop35h 10m

San Francisco

Mon 28/12

20:35-08:25

2 stops27h 50m

£821

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Southampton to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Wednesday when prices can be found for as low as £590. This is often the case because there is less demand to fly during this day of the week. Flights from Southampton to San Francisco on a Sunday will generally be more expensive and average around £670. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from Southampton to San Francisco during this time can be as low as £611. Try not to purchase tickets at midday because they tend to be around £650. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Southampton to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Southampton to San Francisco (SOU to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to San Francisco

Best price found	£451
Fastest flight time	27h 35m
Direct flights	None

The best one-way flight to San Francisco from Southampton in the past 72 hours is £451. The best return flight deal from Southampton to San Francisco found on momondo in the last 72 hours is £529.

The fastest flight from Southampton to San Francisco takes 27h 35m

There are no direct flights from Southampton to San Francisco. There are no popular flight routes from Southampton to San Francisco.

Search flight deals

Frequently asked questions about flying from Southampton to San Francisco

How far is Southampton Eastleigh to San Francisco by plane?
A flight from Southampton Eastleigh to San Francisco will travel around 5341.3 mi. By plane, this route typically takes 27h 35m.
When did momondo last update prices for flights from Southampton Eastleigh Airport to San Francisco Airport?
Prices for flights from Southampton Eastleigh Airport to San Francisco Airport are refreshed on a daily basis.
How old do you have to be to fly from Southampton Eastleigh Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

South San Francisco

Santa Cruz

Sunnyvale

Calistoga

Carmel-by-the-Sea

Rohnert Park

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Mill Valley

Newark

Palo Alto

Campbell

Seaside

Roseville

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to San Francisco?

It is quick and easy to find Southampton to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

Can I find flights from Southampton to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Southampton which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Southampton to San Francisco?

Once all potential Southampton to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Southampton to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Southampton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.