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Cheap flights from Southampton to San Francisco from $594

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to San Francisco departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:50 am - 12:50 pm
SOU
-
SFO
35h 00m
1 stop
Delta Logo
5:50 am - 4:50 pm
SFO
-
SOU
27h 00m
2 stops
$872Delta
Mon, Mar 23 - Tue, Mar 31
KLM Logo
8:50 am - 10:36 pm
SOU
-
SFO
20h 46m
2 stops
KLM Logo
2:55 pm - 8:50 am
SFO
-
SOU
34h 55m
1 stop
$888KLM
Thu, Mar 19 - Thu, Mar 26
Delta Logo
5:35 pm - 12:50 pm
SOU
-
SFO
26h 15m
1 stop
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
$910Delta
Tue, Mar 24 - Wed, Apr 1
KLM Logo
8:50 am - 11:15 pm
SOU
-
SFO
21h 25m
2 stops
KLM Logo
4:40 pm - 5:00 pm
SFO
-
SOU
17h 20m
2 stops
$914KLM
Thu, Mar 19 - Thu, Mar 26
Delta Logo
5:35 pm - 12:50 pm
SOU
-
SFO
26h 15m
1 stop
Delta Logo
10:55 pm - 4:50 pm
SFO
-
SOU
33h 55m
2 stops
$916Delta
Tue, Mar 24 - Mon, Apr 6
Delta Logo
5:40 pm - 12:50 pm
SOU
-
SFO
26h 10m
1 stop
Delta Logo
9:25 am - 4:50 pm
SFO
-
SOU
23h 25m
2 stops
$951Delta
Mon, Mar 23 - Sat, Apr 4
Delta Logo
5:40 pm - 12:50 pm
SOU
-
SFO
26h 10m
1 stop
Delta Logo
11:25 pm - 4:50 pm
SFO
-
SOU
33h 25m
2 stops
$957Delta
Mon, Mar 23 - Sun, Apr 5
Multiple Airlines Logo
6:05 pm - 12:50 pm
SOU
-
SFO
25h 45m
1 stop
Multiple Airlines Logo
2:55 pm - 5:00 pm
SFO
-
SOU
19h 05m
1 stop
$958Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
British Airways Logo
8:10 pm - 3:35 pm
SOU
-
SFO
27h 25m
1 stop
British Airways Logo
5:20 pm - 3:35 pm
SFO
-
SOU
14h 15m
1 stop
$1,014British Airways
Fri, Feb 27 - Mon, Mar 2
British Airways Logo
8:10 pm - 3:35 pm
SOU
-
SFO
27h 25m
1 stop
British Airways Logo
5:20 pm - 3:35 pm
SFO
-
SOU
14h 15m
1 stop
$1,015British Airways
Fri, Feb 27 - Mon, Mar 2

KLM flights from Southampton to San Francisco

Our best KLM deals on Southampton to San Francisco flight tickets
KLM
Mar 19
SOU8:50 amSouthampton Eastleigh
20h 46m
2 stops
SFO10:36 pmSan Francisco
Mar 26
SFO2:55 pmSan Francisco
34h 55m
1 stop
SOU8:50 amSouthampton Eastleigh
$888
KLM
Mar 19
SOU8:50 amSouthampton Eastleigh
21h 25m
2 stops
SFO11:15 pmSan Francisco
Mar 26
SFO4:40 pmSan Francisco
17h 20m
2 stops
SOU5:00 pmSouthampton Eastleigh
$914

British Airways flights from Southampton to San Francisco

Our best British Airways deals on Southampton to San Francisco flight tickets
British Airways
Feb 27
SOU8:10 pmSouthampton Eastleigh
27h 25m
1 stop
SFO3:35 pmSan Francisco
Mar 2
SFO5:20 pmSan Francisco
14h 15m
1 stop
SOU3:35 pmSouthampton Eastleigh
$1,014
British Airways
Feb 27
SOU8:10 pmSouthampton Eastleigh
27h 25m
1 stop
SFO3:35 pmSan Francisco
Mar 2
SFO5:20 pmSan Francisco
14h 15m
1 stop
SOU3:35 pmSouthampton Eastleigh
$1,015
British Airways
Feb 27
SOU8:10 pmSouthampton Eastleigh
27h 25m
1 stop
SFO3:35 pmSan Francisco
Mar 2
SFO5:20 pmSan Francisco
30h 50m
2 stops
SOU8:10 amSouthampton Eastleigh
$1,042

momondo Fare Finder

 
Customize your flight search to find flights from Southampton to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 3, 2026.
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

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/23

8:50 am-12:50 pm

1 stop35h 00m

San Francisco

Tue 3/31

5:50 am-4:50 pm

2 stops27h 00m

$872

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 3/19

8:50 am-10:36 pm

2 stops20h 46m

San Francisco

Thu 3/26

2:55 pm-8:50 am

1 stop34h 55m

$888

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 3/24

5:35 pm-12:50 pm

1 stop26h 15m

San Francisco

Wed 4/1

1:45 pm-4:50 pm

1 stop19h 05m

$910

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 3/19

8:50 am-11:15 pm

2 stops21h 25m

San Francisco

Thu 3/26

4:40 pm-5:00 pm

2 stops17h 20m

$914

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 3/24

5:35 pm-12:50 pm

1 stop26h 15m

San Francisco

Mon 4/6

10:55 pm-4:50 pm

2 stops33h 55m

$916

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/23

5:40 pm-12:50 pm

1 stop26h 10m

San Francisco

Sat 4/4

9:25 am-4:50 pm

2 stops23h 25m

$951

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 3/23

5:40 pm-12:50 pm

1 stop26h 10m

San Francisco

Sun 4/5

11:25 pm-4:50 pm

2 stops33h 25m

$957

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 3/19

6:05 pm-12:50 pm

1 stop25h 45m

San Francisco

Thu 3/26

2:55 pm-5:00 pm

1 stop19h 05m

$958

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 2/27

8:10 pm-3:35 pm

1 stop27h 25m

San Francisco

Mon 3/2

5:20 pm-3:35 pm

1 stop14h 15m

$1,014

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 2/27

8:10 pm-3:35 pm

1 stop27h 25m

San Francisco

Mon 3/2

5:20 pm-3:35 pm

1 stop14h 15m

$1,015

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

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

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

The cheapest day to depart from Southampton to San Francisco is on a Thursday when prices can be found for as low as $668. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $765.

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

Our data shows that the cheapest Southampton to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $705. Flights in the afternoon are often more expensive with an average ticket price of $741.

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 round-trip 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

Fastest flight time

14h 40m

Direct flights

None
The fastest flight from Southampton to San Francisco takes 14h 40m
There are no direct flights from Southampton to San Francisco. There are no popular flight routes from Southampton to San Francisco.
Search flight deals

  • How far is Southampton Eastleigh to San Francisco by plane?

    A flight from Southampton Eastleigh to San Francisco will travel around 5341.1 mi. A reasonable flight in good conditions will take 14h 40m.

  • 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.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Santa Clara
Walnut Creek
Berkeley
Big Sur
Fremont
Half Moon Bay
Daly City
Salinas
Vallejo
Sunnyvale
Livermore
Turlock

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Southampton to San Francisco. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Southampton to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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?

Of course. momondo tracks the price of Southampton to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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