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Cheap flights from San Francisco Bay Area to London from £306

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to London departing on 14/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from San Francisco Bay Area to London

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
13:45 - 08:35
SFO
-
SOU
34h 50m
1 stop
KLM Logo
09:05 - 21:14
SOU
-
SFO
20h 09m
2 stops
£761KLM
Tue, 22 Sep - Fri, 2 Oct
KLM Logo
13:00 - 16:50
SFO
-
SOU
19h 50m
2 stops
KLM Logo
09:05 - 22:55
SOU
-
SFO
21h 50m
2 stops
£764KLM
Tue, 22 Sep - Fri, 2 Oct
Delta Logo
15:00 - 08:45
SFO
-
SOU
33h 45m
2 stops
Delta Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
£764Delta
Tue, 25 Aug - Tue, 8 Sep
Delta Logo
23:45 - 08:45
SFO
-
SOU
25h 00m
2 stops
Delta Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
£765Delta
Tue, 25 Aug - Mon, 7 Sep
KLM Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
KLM Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
£770KLM
Wed, 13 May - Wed, 20 May
Delta Logo
00:40 - 08:45
SFO
-
SOU
24h 05m
2 stops
Delta Logo
09:05 - 23:46
SOU
-
SFO
22h 41m
2 stops
£772Delta
Tue, 25 Aug - Tue, 8 Sep
KLM Logo
06:15 - 08:35
SFO
-
SOU
18h 20m
2 stops
KLM Logo
09:05 - 11:45
SOU
-
SFO
34h 40m
1 stop
£773KLM
Wed, 13 May - Wed, 20 May
Delta Logo
22:45 - 08:35
SFO
-
SOU
25h 50m
2 stops
Delta Logo
09:05 - 11:45
SOU
-
SFO
34h 40m
1 stop
£775Delta
Sat, 29 Aug - Thu, 10 Sep
KLM Logo
06:15 - 08:35
SFO
-
SOU
18h 20m
2 stops
KLM Logo
09:05 - 20:33
SOU
-
SFO
19h 28m
2 stops
£780KLM
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
09:53 - 19:30
OAK
-
SOU
25h 37m
2 stops
Multiple Airlines Logo
09:20 - 23:59
SOU
-
OAK
22h 39m
2 stops
£829Multiple Airlines
Tue, 12 May - Tue, 19 May

KLM flights from San Francisco Bay Area to Southampton

Our best KLM deals on San Francisco Bay Area to Southampton flight tickets
KLM
22 Sept
SFO13:45San Francisco
34h 50m
1 stop
SOU08:35Southampton Eastleigh
2 Oct
SOU09:05Southampton Eastleigh
20h 09m
2 stops
SFO21:14San Francisco
£761
KLM
22 Sept
SFO13:00San Francisco
19h 50m
2 stops
SOU16:50Southampton Eastleigh
2 Oct
SOU09:05Southampton Eastleigh
21h 50m
2 stops
SFO22:55San Francisco
£764
KLM
13 May
SFO13:45San Francisco
19h 05m
1 stop
SOU16:50Southampton Eastleigh
20 May
SOU17:20Southampton Eastleigh
26h 25m
1 stop
SFO11:45San Francisco
£770

Aer Lingus flights from San Francisco Bay Area to Southampton

Our best Aer Lingus deals on San Francisco Bay Area to Southampton flight tickets
Aer Lingus
22 Sept
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
2 Oct
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£801
Aer Lingus
25 Aug
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
7 Sept
SOU20:00Southampton Eastleigh
27h 55m
1 stop
SFO15:55San Francisco
£836
Aer Lingus
20 Sept
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
1 Oct
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£870

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area to Southampton 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 279,928 searches. Data last updated 29 March 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 22/9

13:45-08:35

1 stop34h 50m

Southampton Eastleigh

Fri 2/10

09:05-21:14

2 stops20h 09m

£761

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 22/9

13:00-16:50

2 stops19h 50m

Southampton Eastleigh

Fri 2/10

09:05-22:55

2 stops21h 50m

£764

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/8

15:00-08:45

2 stops33h 45m

Southampton Eastleigh

Tue 8/9

17:20-11:45

1 stop26h 25m

£764

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/8

23:45-08:45

2 stops25h 00m

Southampton Eastleigh

Mon 7/9

17:20-11:45

1 stop26h 25m

£765

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 13/5

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Wed 20/5

17:20-11:45

1 stop26h 25m

£770

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/8

00:40-08:45

2 stops24h 05m

Southampton Eastleigh

Tue 8/9

09:05-23:46

2 stops22h 41m

£772

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 13/5

06:15-08:35

2 stops18h 20m

Southampton Eastleigh

Wed 20/5

09:05-11:45

1 stop34h 40m

£773

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 29/8

22:45-08:35

2 stops25h 50m

Southampton Eastleigh

Thu 10/9

09:05-11:45

1 stop34h 40m

£775
Fastest return journey

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 13/5

06:15-08:35

2 stops18h 20m

Southampton Eastleigh

Wed 20/5

09:05-20:33

2 stops19h 28m

£780

OaklandSouthampton

OAK - SOU

OAKSOU

Oakland

Tue 12/5

09:53-19:30

2 stops25h 37m

Southampton Eastleigh

Tue 19/5

09:20-23:59

2 stops22h 39m

£829

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from San Francisco Bay Area to Southampton

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

Can stopping save me money on San Francisco Bay Area to Southampton flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Southampton.

Cheap San Francisco Bay Area to Southampton flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Southampton

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from San Francisco Bay Area to Southampton takes 15h 10m
There are no direct flights from San Francisco Bay Area to Southampton. There are no popular flight routes from San Francisco Bay Area to Southampton.
Search flight deals

  • When did momondo last update prices for flights from San Francisco Bay Area to Southampton Eastleigh Airport?

    Prices for flights from San Francisco Bay Area to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Francisco Bay Area to Southampton Eastleigh Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Bay Area to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh 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 Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco Bay Area to Southampton?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco Bay Area to Southampton. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Southampton from San Francisco Bay Area which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco Bay Area to Southampton?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco Bay Area to Southampton.

I’m not ready to book a flight from San Francisco Bay Area to Southampton right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco Bay Area to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

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