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Cheap flights from Southampton to San Francisco from $782

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to San Francisco departing on 9/14. 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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Find the cheapest flights from Southampton to San Francisco

Cheap round-trip flights

Virgin Atlantic Logo
6:25 pm - 11:29 pmSOU-SFO
37h 04m2 stops
Virgin Atlantic Logo
3:37 pm - 5:00 pmSFO-SOU
41h 23m2 stops
$782Virgin Atlantic
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Sun, Sep 14 - Sun, Sep 21
KLM Logo
9:20 am - 11:45 amSOU-SFO
34h 25m1 stop
KLM Logo
7:05 am - 8:45 amSFO-SOU
17h 40m2 stops
$803KLM
Find Deal
Sun, Sep 14 - Sun, Sep 21
Delta Logo
9:20 am - 9:28 pmSOU-SFO
20h 08m2 stops
Delta Logo
7:05 am - 8:45 amSFO-SOU
17h 40m2 stops
$809Delta
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Wed, Sep 17 - Mon, Sep 22
KLM Logo
9:20 am - 8:05 pmSOU-SFO
18h 45m2 stops
KLM Logo
1:45 pm - 8:45 amSFO-SOU
35h 00m1 stop
$854KLM
Find Deal
Fri, Sep 12 - Fri, Sep 19
Virgin Atlantic Logo
9:20 am - 8:05 pmSOU-SFO
18h 45m2 stops
Virgin Atlantic Logo
7:15 pm - 8:45 amSFO-SOU
53h 30m2 stops
$866Virgin Atlantic
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Fri, Sep 12 - Fri, Sep 19
Delta Logo
9:20 am - 10:41 pmSOU-SFO
21h 21m2 stops
Delta Logo
1:45 pm - 5:00 pmSFO-SOU
19h 15m1 stop
$894Delta
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Thu, Sep 18 - Tue, Sep 23
British Airways Logo
9:10 am - 3:55 pmSOU-SFO
14h 45m1 stop
British Airways Logo
5:40 pm - 7:30 pmSFO-SOU
17h 50m1 stop
$917British Airways
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Tue, Sep 16 - Mon, Sep 22
British Airways Logo
9:10 am - 3:55 pmSOU-SFO
14h 45m1 stop
British Airways Logo
7:20 pm - 7:25 pmSFO-SOU
16h 05m2 stops
$919British Airways
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Wed, Sep 17 - Mon, Sep 22
Logo
9:10 am - 9:24 pmSOU-SFO
20h 14m2 stops
Logo
7:30 am - 7:30 pmSFO-SOU
28h 00m3 stops
$1,109
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Sun, Sep 14 - Sun, Sep 21
Logo
5:35 pm - 9:24 pmSOU-SFO
35h 49m3 stops
Logo
7:10 am - 3:45 pmSFO-SOU
24h 35m3 stops
$1,113
Find Deal
Fri, Sep 12 - Fri, Sep 19

British Airways flights from Southampton to San Francisco

Our best British Airways deals on Southampton to San Francisco flight tickets
British Airways
Sep 16
SOU9:10 amSouthampton Eastleigh
14h 45m
1 stop
SFO3:55 pmSan Francisco
Sep 22
SFO5:40 pmSan Francisco
17h 50m
1 stop
SOU7:30 pmSouthampton Eastleigh
$917
Find similar
British Airways
Sep 17
SOU9:10 amSouthampton Eastleigh
14h 45m
1 stop
SFO3:55 pmSan Francisco
Sep 22
SFO7:20 pmSan Francisco
16h 05m
2 stops
SOU7:25 pmSouthampton Eastleigh
$919
Find similar
British Airways
Sep 16
SOU7:55 pmSouthampton Eastleigh
25h 55m
2 stops
SFO1:50 pmSan Francisco
Sep 22
SFO5:40 pmSan Francisco
17h 50m
1 stop
SOU7:30 pmSouthampton Eastleigh
$977
Find similar

Delta flights from Southampton to San Francisco

Our best Delta deals on Southampton to San Francisco flight tickets
Delta
Sep 17
SOU9:20 amSouthampton Eastleigh
20h 08m
2 stops
SFO9:28 pmSan Francisco
Sep 22
SFO7:05 amSan Francisco
17h 40m
2 stops
SOU8:45 amSouthampton Eastleigh
$809
Find similar
Delta
Sep 18
SOU9:20 amSouthampton Eastleigh
21h 21m
2 stops
SFO10:41 pmSan Francisco
Sep 23
SFO1:45 pmSan Francisco
19h 15m
1 stop
SOU5:00 pmSouthampton Eastleigh
$894
Find similar
Delta
Sep 12
SOU9:20 amSouthampton Eastleigh
22h 18m
2 stops
SFO11:38 pmSan Francisco
Sep 18
SFO12:45 amSan Francisco
24h 00m
2 stops
SOU8:45 amSouthampton Eastleigh
$900
Find similar

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 July 31, 2025.
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

Sun 9/14

6:25 pm-11:29 pm

2 stops37h 04m

San Francisco

Sun 9/21

3:37 pm-5:00 pm

2 stops41h 23m

$782

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 9/14

9:20 am-11:45 am

1 stop34h 25m

San Francisco

Sun 9/21

7:05 am-8:45 am

2 stops17h 40m

$803

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 9/17

9:20 am-9:28 pm

2 stops20h 08m

San Francisco

Mon 9/22

7:05 am-8:45 am

2 stops17h 40m

$809

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 9/12

9:20 am-8:05 pm

2 stops18h 45m

San Francisco

Fri 9/19

1:45 pm-8:45 am

1 stop35h 00m

$854

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 9/12

9:20 am-8:05 pm

2 stops18h 45m

San Francisco

Fri 9/19

7:15 pm-8:45 am

2 stops53h 30m

$866

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 9/18

9:20 am-10:41 pm

2 stops21h 21m

San Francisco

Tue 9/23

1:45 pm-5:00 pm

1 stop19h 15m

$894

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 9/16

9:10 am-3:55 pm

1 stop14h 45m

San Francisco

Mon 9/22

5:40 pm-7:30 pm

1 stop17h 50m

$917

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 9/17

9:10 am-3:55 pm

1 stop14h 45m

San Francisco

Mon 9/22

7:20 pm-7:25 pm

2 stops16h 05m

$919

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 9/14

9:10 am-9:24 pm

2 stops20h 14m

San Francisco

Sun 9/21

7:30 am-7:30 pm

3 stops28h 00m

$1,109

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 9/12

5:35 pm-9:24 pm

3 stops35h 49m

San Francisco

Fri 9/19

7:10 am-3:45 pm

3 stops24h 35m

$1,113

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 $633. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $760.

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 in the evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights in the morning are often more expensive with an average ticket price of $721.

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

Best Price Found

$956

Fastest flight time

14h 05m

Direct flights

None

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Southampton in the past 72 hours is $956. The best round-trip flight deal from Southampton to San Francisco found on momondo in the last 72 hours is $782.
The fastest flight from Southampton to San Francisco takes 14h 05m
There are no direct flights from Southampton to San Francisco. Popular non-direct route for this connection is Southampton Eastleigh Airport - San Francisco Airport.
There is 1 airport near San Francisco: San Francisco (SFO)
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 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.

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
Calistoga
Hayward
Bodega Bay
Sonoma
Roseville
Santa Clara
Big Sur
Daly City
Berkeley
Walnut Creek
Fremont
Half Moon Bay
South San Francisco
Redwood City
Vallejo
Sunnyvale
Pacific Grove

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.

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