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

Aer Lingus and British Airways 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 38% 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.

£438 Cheap Flights from Southampton to San Francisco in 2026

Find the cheapest flights from Southampton to San Francisco

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:20 - 15:35SOU Southampton Eastleigh-SFO San Francisco

14h 15m1 stop Dublin

17:20 - 16:35SFO San Francisco-SOU Southampton Eastleigh

15h 15m1 stop Dublin

£484British Airways

Sun, 6 Dec - Sat, 9 Jan

20:00 - 15:55SOU Southampton Eastleigh-SFO San Francisco

27h 55m1 stop Dublin

17:35 - 19:30SFO San Francisco-SOU Southampton Eastleigh

17h 55m1 stop Dublin

£490British Airways

Mon, 12 Oct - Mon, 19 Oct

20:00 - 15:55SOU Southampton Eastleigh-SFO San Francisco

27h 55m1 stop Dublin

17:35 - 19:30SFO San Francisco-SOU Southampton Eastleigh

17h 55m1 stop Dublin

£491British Airways

Mon, 12 Oct - Mon, 19 Oct

20:00 - 15:50SOU Southampton Eastleigh-SFO San Francisco

27h 50m1 stop Dublin

17:35 - 16:50SFO San Francisco-SOU Southampton Eastleigh

15h 15m1 stop Dublin

£491British Airways

Wed, 23 Sep - Fri, 9 Oct

17:20 - 15:55SOU Southampton Eastleigh-SFO San Francisco

30h 35m1 stop Dublin

17:35 - 19:30SFO San Francisco-SOU Southampton Eastleigh

17h 55m1 stop Dublin

£496British Airways

Mon, 12 Oct - Mon, 19 Oct

09:20 - 15:35SOU Southampton Eastleigh-SFO San Francisco

14h 15m1 stop Dublin

17:20 - 19:30SFO San Francisco-SOU Southampton Eastleigh

18h 10m1 stop Dublin

£512British Airways

Sun, 6 Dec - Sun, 10 Jan

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

27h 35m1 stop Dublin

17:20 - 08:40SFO San Francisco-SOU Southampton Eastleigh

31h 20m1 stop Dublin

£526British Airways

Thu, 28 Jan - Mon, 1 Feb

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

27h 35m1 stop Dublin

17:20 - 08:40SFO San Francisco-SOU Southampton Eastleigh

31h 20m1 stop Dublin

£527British Airways

Thu, 28 Jan - Mon, 1 Feb

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

27h 35m1 stop Dublin

17:20 - 08:40SFO San Francisco-SOU Southampton Eastleigh

31h 20m1 stop Dublin

£528British Airways

Thu, 28 Jan - Mon, 1 Feb

17:20 - 11:45SOU Southampton Eastleigh-SFO San Francisco

26h 25m1 stop Amsterdam Schiphol

23:49 - 08:45SFO San Francisco-SOU Southampton Eastleigh

24h 56m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£532Delta

Mon, 12 Oct - Mon, 19 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:20 - 15:55SOU Southampton Eastleigh-SFO San Francisco

14h 35m1 stop Dublin

17:20 - 19:30SFO San Francisco-SOU Southampton Eastleigh

18h 10m1 stop Dublin

£879British Airways

Sat, 5 Sep - Sun, 24 Jan

09:20 - 15:50SOU Southampton Eastleigh-SFO San Francisco

14h 30m1 stop Dublin

17:20 - 16:35SFO San Francisco-SOU Southampton Eastleigh

15h 15m1 stop Dublin

£879British Airways

Thu, 3 Sep - Sun, 24 Jan

09:20 - 15:55SOU Southampton Eastleigh-SFO San Francisco

14h 35m1 stop Dublin

17:20 - 16:35SFO San Francisco-SOU Southampton Eastleigh

15h 15m1 stop Dublin

£879British Airways

Sat, 5 Sep - Sat, 23 Jan

09:20 - 15:50SOU Southampton Eastleigh-SFO San Francisco

14h 30m1 stop Dublin

17:20 - 19:30SFO San Francisco-SOU Southampton Eastleigh

18h 10m1 stop Dublin

£879British Airways

Thu, 3 Sep - Sat, 23 Jan

09:20 - 15:50SOU Southampton Eastleigh-SFO San Francisco

14h 30m1 stop Dublin

17:40 - 19:30SFO San Francisco-SOU Southampton Eastleigh

17h 50m1 stop Dublin

£882British Airways

Thu, 3 Sep - Tue, 15 Sep

09:20 - 15:50SOU Southampton Eastleigh-SFO San Francisco

14h 30m1 stop Dublin

17:20 - 08:40SFO San Francisco-SOU Southampton Eastleigh

31h 20m1 stop Dublin

£886British Airways

Thu, 3 Sep - Fri, 22 Jan

09:20 - 15:55SOU Southampton Eastleigh-SFO San Francisco

14h 35m1 stop Dublin

17:20 - 08:40SFO San Francisco-SOU Southampton Eastleigh

31h 20m1 stop Dublin

£886British Airways

Sat, 5 Sep - Fri, 22 Jan

17:20 - 15:55SOU Southampton Eastleigh-SFO San Francisco

30h 35m1 stop Dublin

17:20 - 19:30SFO San Francisco-SOU Southampton Eastleigh

18h 10m1 stop Dublin

£889British Airways

Fri, 4 Sep - Sat, 23 Jan

20:00 - 15:55SOU Southampton Eastleigh-SFO San Francisco

27h 55m1 stop Dublin

17:20 - 16:35SFO San Francisco-SOU Southampton Eastleigh

15h 15m1 stop Dublin

£889British Airways

Fri, 4 Sep - Sun, 24 Jan

09:20 - 15:50SOU Southampton Eastleigh-SFO San Francisco

14h 30m1 stop Dublin

17:35 - 08:40SFO San Francisco-SOU Southampton Eastleigh

31h 05m1 stop Dublin

£892British Airways

Thu, 3 Sep - Thu, 17 Sep

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British Airways flights from Southampton to San Francisco

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

British Airways

6 Dec

SOU09:20Southampton Eastleigh

14h 15m

1 stop

SFO15:35San Francisco

9 Jan

SFO17:20San Francisco

15h 15m

1 stop

SOU16:35Southampton Eastleigh

£484

British Airways

12 Oct

SOU20:00Southampton Eastleigh

27h 55m

1 stop

SFO15:55San Francisco

19 Oct

SFO17:35San Francisco

17h 55m

1 stop

SOU19:30Southampton Eastleigh

£490

British Airways

23 Sept

SOU20:00Southampton Eastleigh

27h 50m

1 stop

SFO15:50San Francisco

9 Oct

SFO17:35San Francisco

15h 15m

1 stop

SOU16:50Southampton Eastleigh

£491

Delta flights from Southampton to San Francisco

Our best Delta deals on Southampton to San Francisco flight tickets

Delta

12 Oct

SOU17:20Southampton Eastleigh

26h 25m

1 stop

SFO11:45San Francisco

19 Oct

SFO23:49San Francisco

24h 56m

2 stops

SOU08:45Southampton Eastleigh

£532

Delta

12 Oct

SOU17:20Southampton Eastleigh

26h 25m

1 stop

SFO11:45San Francisco

19 Oct

SFO23:49San Francisco

24h 56m

2 stops

SOU08:45Southampton Eastleigh

£533

Delta

12 Oct

SOU09:05Southampton Eastleigh

20h 17m

2 stops

SFO21:22San Francisco

19 Oct

SFO09:59San Francisco

22h 51m

2 stops

SOU16:50Southampton Eastleigh

£536

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

Fastest return journey

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sun 6/12

09:20-15:35

1 stop14h 15m

San Francisco

Sat 9/1

17:20-16:35

1 stop15h 15m

£484

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Mon 12/10

20:00-15:55

1 stop27h 55m

San Francisco

Mon 19/10

17:35-19:30

1 stop17h 55m

£490

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Mon 12/10

20:00-15:55

1 stop27h 55m

San Francisco

Mon 19/10

17:35-19:30

1 stop17h 55m

£491

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 23/9

20:00-15:50

1 stop27h 50m

San Francisco

Fri 9/10

17:35-16:50

1 stop15h 15m

£491

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Mon 12/10

17:20-15:55

1 stop30h 35m

San Francisco

Mon 19/10

17:35-19:30

1 stop17h 55m

£496

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sun 6/12

09:20-15:35

1 stop14h 15m

San Francisco

Sun 10/1

17:20-19:30

1 stop18h 10m

£512

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

17:20-08:40

1 stop31h 20m

£526

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

17:20-08:40

1 stop31h 20m

£527

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

17:20-08:40

1 stop31h 20m

£528

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Mon 12/10

17:20-11:45

1 stop26h 25m

San Francisco

Mon 19/10

23:49-08:45

2 stops24h 56m

£532

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 Thursday when prices can be found for as low as £580. 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 £656. 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 £591. Try not to purchase tickets at midday because they tend to be around £675. 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	£438
Fastest flight time	14h 15m
Direct flights	None

The best one-way flight to San Francisco from Southampton in the past 72 hours is £438. The best return flight deal from Southampton to San Francisco found on momondo in the last 72 hours is £484.

The fastest flight from Southampton to San Francisco takes 14h 15m

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 14h 15m.
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

Campbell

Palo Alto

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.