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

KLM 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 39% 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.

£445 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.

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

14h 40m1 stop Dublin

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

17h 50m1 stop Dublin

£566Aer Lingus

Tue, 29 Sep - Tue, 6 Oct

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

14h 35m1 stop Dublin

17:40 - 16:50SFO San Francisco-SOU Southampton Eastleigh

15h 10m1 stop Dublin

£567Aer Lingus

Wed, 30 Sep - Wed, 7 Oct

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

14h 35m1 stop Dublin

17:40 - 16:50SFO San Francisco-SOU Southampton Eastleigh

15h 10m1 stop Dublin

£582Aer Lingus

Sat, 19 Sep - Sat, 26 Sep

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

14h 30m1 stop Dublin

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

15h 15m1 stop Dublin

£612Aer Lingus

Thu, 1 Oct - Thu, 8 Oct

09:15 - 11:45SOU Southampton Eastleigh-SFO San Francisco

34h 30m1 stop Amsterdam Schiphol

07:00 - 08:35SFO San Francisco-SOU Southampton Eastleigh

17h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£634KLM

Wed, 30 Sep - Wed, 7 Oct

09:05 - 11:45SOU Southampton Eastleigh-SFO San Francisco

34h 40m1 stop Amsterdam Schiphol

07:00 - 08:45SFO San Francisco-SOU Southampton Eastleigh

17h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£634KLM

Tue, 29 Sep - Tue, 6 Oct

09:05 - 21:49SOU Southampton Eastleigh-SFO San Francisco

20h 44m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

07:00 - 08:45SFO San Francisco-SOU Southampton Eastleigh

17h 45m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£640KLM

Tue, 29 Sep - Tue, 6 Oct

09:15 - 21:49SOU Southampton Eastleigh-SFO San Francisco

20h 34m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

07:00 - 08:35SFO San Francisco-SOU Southampton Eastleigh

17h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£641Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

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

26h 25m1 stop Amsterdam Schiphol

14:15 - 16:50SFO San Francisco-SOU Southampton Eastleigh

18h 35m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

£648Delta

Thu, 1 Oct - Thu, 8 Oct

09:05 - 00:34SOU Southampton Eastleigh-SFO San Francisco

23h 29m2 stops Amsterdam Schiphol New York John F Kennedy Intl

10:35 - 16:50SFO San Francisco-SOU Southampton Eastleigh

22h 15m2 stops Seattle/Tacoma Intl Amsterdam Schiphol

£652Delta

Thu, 1 Oct - Thu, 8 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

15h 15m1 stop Dublin

£1,140British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

15h 15m1 stop Dublin

£1,143British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

15h 15m1 stop Dublin

£1,144British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

15h 15m1 stop Dublin

£1,144British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

15h 15m1 stop Dublin

£1,145British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

27h 50m2 stops London Heathrow Edinburgh Turnhouse

£1,215British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 13:50SOU Southampton Eastleigh-SFO San Francisco

25h 00m2 stops Edinburgh Turnhouse London Heathrow

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

27h 50m2 stops London Heathrow Edinburgh Turnhouse

£1,217British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 17:40SOU Southampton Eastleigh-SFO San Francisco

28h 50m2 stops Edinburgh Turnhouse London Heathrow

17:25 - 19:25SFO San Francisco-SOU Southampton Eastleigh

18h 00m2 stops London Heathrow Edinburgh Turnhouse

£1,219British Airways

Sun, 23 Aug - Sun, 20 Dec

20:50 - 17:40SOU Southampton Eastleigh-SFO San Francisco

28h 50m2 stops Edinburgh Turnhouse London Heathrow

17:25 - 19:25SFO San Francisco-SOU Southampton Eastleigh

18h 00m2 stops London Heathrow Edinburgh Turnhouse

£1,220British Airways

Sun, 23 Aug - Sun, 20 Dec

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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

14 Oct

SOU09:20Southampton Eastleigh

14h 35m

1 stop

SFO15:55San Francisco

21 Oct

SFO17:40San Francisco

17h 50m

1 stop

SOU19:30Southampton Eastleigh

£728

British Airways

14 Oct

SOU09:20Southampton Eastleigh

14h 35m

1 stop

SFO15:55San Francisco

21 Oct

SFO19:30San Francisco

28h 55m

2 stops

SOU08:25Southampton Eastleigh

£742

British Airways

6 Oct

SOU20:00Southampton Eastleigh

27h 55m

1 stop

SFO15:55San Francisco

10 Dec

SFO20:35San Francisco

29h 10m

2 stops

SOU09:45Southampton Eastleigh

£752

Aer Lingus flights from Southampton to San Francisco

Our best Aer Lingus deals on Southampton to San Francisco flight tickets

Aer Lingus

29 Sept

SOU09:15Southampton Eastleigh

14h 40m

1 stop

SFO15:55San Francisco

6 Oct

SFO17:40San Francisco

17h 50m

1 stop

SOU19:30Southampton Eastleigh

£566

Aer Lingus

30 Sept

SOU09:20Southampton Eastleigh

14h 35m

1 stop

SFO15:55San Francisco

7 Oct

SFO17:40San Francisco

15h 10m

1 stop

SOU16:50Southampton Eastleigh

£567

Aer Lingus

19 Sept

SOU09:20Southampton Eastleigh

14h 35m

1 stop

SFO15:55San Francisco

26 Sept

SFO17:40San Francisco

15h 10m

1 stop

SOU16:50Southampton Eastleigh

£582

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Tue 29/9

09:15-15:55

1 stop14h 40m

San Francisco

Tue 6/10

17:40-19:30

1 stop17h 50m

£566

Fastest return journey

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 30/9

09:20-15:55

1 stop14h 35m

San Francisco

Wed 7/10

17:40-16:50

1 stop15h 10m

£567

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Sat 19/9

09:20-15:55

1 stop14h 35m

San Francisco

Sat 26/9

17:40-16:50

1 stop15h 10m

£582

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 1/10

09:20-15:50

1 stop14h 30m

San Francisco

Thu 8/10

17:35-16:50

1 stop15h 15m

£612

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 30/9

09:15-11:45

1 stop34h 30m

San Francisco

Wed 7/10

07:00-08:35

2 stops17h 35m

£634

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Tue 29/9

09:05-11:45

1 stop34h 40m

San Francisco

Tue 6/10

07:00-08:45

2 stops17h 45m

£634

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Tue 29/9

09:05-21:49

2 stops20h 44m

San Francisco

Tue 6/10

07:00-08:45

2 stops17h 45m

£640

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Wed 30/9

09:15-21:49

2 stops20h 34m

San Francisco

Wed 7/10

07:00-08:35

2 stops17h 35m

£640

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 1/10

17:20-11:45

1 stop26h 25m

San Francisco

Thu 8/10

14:15-16:50

2 stops18h 35m

£648

SouthamptonSan Francisco

SOU Southampton Eastleigh - SFO San Francisco

SOUSFO

Southampton Eastleigh

Thu 1/10

09:05-00:34

2 stops23h 29m

San Francisco

Thu 8/10

10:35-16:50

2 stops22h 15m

£652

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 £579. 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 £666. 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 £588. Try not to purchase tickets at midday because they tend to be around £703. 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	£445
Fastest flight time	14h 15m
Direct flights	None

The best one-way flight to San Francisco from Southampton in the past 72 hours is £445. The best return flight deal from Southampton to San Francisco found on momondo in the last 72 hours is £566.

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

Rohnert Park

Carmel-by-the-Sea

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Newark

Mill Valley

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.