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Cheap flights from Southampton to San Francisco from $588

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 5/27. 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

Enter your travel dates to find the best prices.
Aer Lingus Logo
9:20 am - 3:50 pm
SOU
-
SFO
14h 30m
1 stop
Aer Lingus Logo
5:40 pm - 4:50 pm
SFO
-
SOU
15h 10m
1 stop
$904Aer Lingus
Thu, Jun 4 - Wed, Jun 10
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
$931Delta
Mon, Aug 31 - Mon, Sep 14
Delta Logo
9:05 am - 11:45 am
SOU
-
SFO
34h 40m
1 stop
Delta Logo
9:00 pm - 8:35 am
SFO
-
SOU
27h 35m
2 stops
$972Delta
Mon, Aug 31 - Sat, Sep 12
Delta Logo
5:30 pm - 11:45 am
SOU
-
SFO
26h 15m
1 stop
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
$1,012Delta
Sun, Aug 23 - Wed, Sep 9
Aer Lingus Logo
9:20 am - 10:06 pm
SOU
-
SFO
20h 46m
2 stops
Aer Lingus Logo
5:40 pm - 4:50 pm
SFO
-
SOU
15h 10m
1 stop
$1,014Aer Lingus
Thu, Jun 4 - Wed, Jun 10
Delta Logo
9:15 am - 9:02 pm
SOU
-
SFO
19h 47m
2 stops
Delta Logo
7:00 am - 8:35 am
SFO
-
SOU
17h 35m
2 stops
$1,018Delta
Wed, Aug 26 - Tue, Sep 15
British Airways Logo
9:20 am - 3:55 pm
SOU
-
SFO
14h 35m
1 stop
British Airways Logo
7:30 pm - 8:25 am
SFO
-
SOU
28h 55m
2 stops
$1,032British Airways
Wed, Sep 23 - Wed, Sep 30
British Airways Logo
9:20 am - 3:35 pm
SOU
-
SFO
14h 15m
1 stop
British Airways Logo
5:30 pm - 8:45 pm
SFO
-
SOU
19h 15m
2 stops
$1,037British Airways
Tue, Nov 3 - Thu, Nov 12
Delta Logo
9:15 am - 11:45 am
SOU
-
SFO
34h 30m
1 stop
Delta Logo
10:45 pm - 8:35 am
SFO
-
SOU
25h 50m
2 stops
$1,053Delta
Thu, Aug 20 - Sun, Sep 13
Delta Logo
9:15 am - 8:19 pm
SOU
-
SFO
19h 04m
2 stops
Delta Logo
10:45 pm - 8:35 am
SFO
-
SOU
25h 50m
2 stops
$1,058Delta
Fri, Aug 21 - Tue, Sep 8

Aer Lingus flights from Southampton to San Francisco

Our best Aer Lingus deals on Southampton to San Francisco flight tickets
Aer Lingus
Jun 4
SOU9:20 amSouthampton Eastleigh
14h 30m
1 stop
SFO3:50 pmSan Francisco
Jun 10
SFO5:40 pmSan Francisco
15h 10m
1 stop
SOU4:50 pmSouthampton Eastleigh
$904
Aer Lingus
Jun 4
SOU9:20 amSouthampton Eastleigh
20h 46m
2 stops
SFO10:06 pmSan Francisco
Jun 10
SFO5:40 pmSan Francisco
15h 10m
1 stop
SOU4:50 pmSouthampton Eastleigh
$1,014
Aer Lingus
Jun 4
SOU9:20 amSouthampton Eastleigh
14h 30m
1 stop
SFO3:50 pmSan Francisco
Jun 10
SFO5:40 pmSan Francisco
31h 00m
1 stop
SOU8:40 amSouthampton Eastleigh
$1,059

Delta flights from Southampton to San Francisco

Our best Delta deals on Southampton to San Francisco flight tickets
Delta
Aug 31
SOU5:20 pmSouthampton Eastleigh
26h 25m
1 stop
SFO11:45 amSan Francisco
Sep 14
SFO1:45 pmSan Francisco
19h 05m
1 stop
SOU4:50 pmSouthampton Eastleigh
$931
Delta
Aug 31
SOU9:05 amSouthampton Eastleigh
34h 40m
1 stop
SFO11:45 amSan Francisco
Sep 12
SFO9:00 pmSan Francisco
27h 35m
2 stops
SOU8:35 amSouthampton Eastleigh
$972
Delta
Aug 23
SOU5:30 pmSouthampton Eastleigh
26h 15m
1 stop
SFO11:45 amSan Francisco
Sep 9
SFO1:45 pmSan Francisco
19h 05m
1 stop
SOU4:50 pmSouthampton Eastleigh
$1,012

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 May 8, 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

Cheapest round-trip
Quickest round-trip

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 6/4

9:20 am-3:50 pm

1 stop14h 30m

San Francisco

Wed 6/10

5:40 pm-4:50 pm

1 stop15h 10m

$904

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 8/31

5:20 pm-11:45 am

1 stop26h 25m

San Francisco

Mon 9/14

1:45 pm-4:50 pm

1 stop19h 05m

$931

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Mon 8/31

9:05 am-11:45 am

1 stop34h 40m

San Francisco

Sat 9/12

9:00 pm-8:35 am

2 stops27h 35m

$972

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 8/23

5:30 pm-11:45 am

1 stop26h 15m

San Francisco

Wed 9/9

1:45 pm-4:50 pm

1 stop19h 05m

$1,012

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 6/4

9:20 am-10:06 pm

2 stops20h 46m

San Francisco

Wed 6/10

5:40 pm-4:50 pm

1 stop15h 10m

$1,014

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 8/26

9:15 am-9:02 pm

2 stops19h 47m

San Francisco

Tue 9/15

7:00 am-8:35 am

2 stops17h 35m

$1,018

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 9/23

9:20 am-3:55 pm

1 stop14h 35m

San Francisco

Wed 9/30

7:30 pm-8:25 am

2 stops28h 55m

$1,032

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 11/3

9:20 am-3:35 pm

1 stop14h 15m

San Francisco

Thu 11/12

5:30 pm-8:45 pm

2 stops19h 15m

$1,037

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 8/20

9:15 am-11:45 am

1 stop34h 30m

San Francisco

Sun 9/13

10:45 pm-8:35 am

2 stops25h 50m

$1,053

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 8/21

9:15 am-8:19 pm

2 stops19h 04m

San Francisco

Tue 9/8

10:45 pm-8:35 am

2 stops25h 50m

$1,058

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 $723. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $872.

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 $743. Flights in the morning are often more expensive with an average ticket price of $784.

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 15m

Direct flights

None
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. 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
Sonoma
Bodega Bay
Walnut Creek
Roseville
Berkeley
Hayward
Santa Clara
Fremont
Vallejo
Big Sur
Calistoga
Sunnyvale
South San Francisco
Salinas
Daly City
Half Moon Bay
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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