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Cheap flights from San Francisco Bay Area to London from £325

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 3/8. 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

Find the cheapest flights from San Francisco Bay Area to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 19:30
SFO
-
SOU
29h 30m
2 stops
Multiple Airlines Logo
09:20 - 15:55
SOU
-
SFO
14h 35m
1 stop
£685Multiple Airlines
Mon, 5 Oct - Sun, 18 Oct
Delta Logo
06:15 - 08:10
SFO
-
SOU
17h 55m
2 stops
Delta Logo
17:30 - 11:45
SOU
-
SFO
26h 15m
1 stop
£752Delta
Wed, 18 Nov - Thu, 26 Nov
Aer Lingus Logo
17:40 - 16:50
SFO
-
SOU
15h 10m
1 stop
Aer Lingus Logo
09:15 - 15:55
SOU
-
SFO
14h 40m
1 stop
£760Aer Lingus
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
17:40 - 20:45
SFO
-
SOU
19h 05m
2 stops
Multiple Airlines Logo
09:15 - 15:55
SOU
-
SFO
14h 40m
1 stop
£760Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Delta Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
Delta Logo
17:30 - 11:45
SOU
-
SFO
26h 15m
1 stop
£764Delta
Sun, 11 Oct - Thu, 5 Nov
Delta Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
Delta Logo
09:15 - 11:45
SOU
-
SFO
34h 30m
1 stop
£765Delta
Mon, 14 Sep - Wed, 23 Sep
Delta Logo
13:50 - 08:10
SFO
-
SOU
34h 20m
1 stop
Delta Logo
17:30 - 11:45
SOU
-
SFO
26h 15m
1 stop
£766Delta
Tue, 24 Nov - Tue, 1 Dec
Delta Logo
06:13 - 08:45
SFO
-
SOU
18h 32m
2 stops
Delta Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
£767Delta
Wed, 26 Aug - Mon, 7 Sep
KLM Logo
11:38 - 17:00
SJC
-
SOU
21h 22m
2 stops
KLM Logo
18:05 - 15:50
SOU
-
SJC
29h 45m
2 stops
£1,072KLM
Fri, 7 Aug - Mon, 10 Aug
KLM Logo
12:46 - 17:00
SJC
-
SOU
20h 14m
2 stops
KLM Logo
18:05 - 17:02
SOU
-
SJC
30h 57m
2 stops
£1,110KLM
Sat, 8 Aug - Tue, 11 Aug

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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
8 Sept
SFO17:40San Francisco
15h 10m
1 stop
SOU16:50Southampton Eastleigh
15 Sept
SOU09:15Southampton Eastleigh
14h 40m
1 stop
SFO15:55San Francisco
£760
Aer Lingus
6 Sept
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
10 Sept
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£807
Aer Lingus
16 Sept
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
2 Oct
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£862

Delta flights from San Francisco Bay Area to Southampton

Our best Delta deals on San Francisco Bay Area to Southampton flight tickets
Delta
18 Nov
SFO06:15San Francisco
17h 55m
2 stops
SOU08:10Southampton Eastleigh
26 Nov
SOU17:30Southampton Eastleigh
26h 15m
1 stop
SFO11:45San Francisco
£752
Delta
11 Oct
SFO13:45San Francisco
19h 05m
1 stop
SOU16:50Southampton Eastleigh
5 Nov
SOU17:30Southampton Eastleigh
26h 15m
1 stop
SFO11:45San Francisco
£764
Delta
14 Sept
SFO13:45San Francisco
19h 05m
1 stop
SOU16:50Southampton Eastleigh
23 Sept
SOU09:15Southampton Eastleigh
34h 30m
1 stop
SFO11:45San Francisco
£765

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 25 July 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

Mon 5/10

06:00-19:30

2 stops29h 30m

Southampton Eastleigh

Sun 18/10

09:20-15:55

1 stop14h 35m

£685

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 18/11

06:15-08:10

2 stops17h 55m

Southampton Eastleigh

Thu 26/11

17:30-11:45

1 stop26h 15m

£752
Fastest return journey

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 8/9

17:40-16:50

1 stop15h 10m

Southampton Eastleigh

Tue 15/9

09:15-15:55

1 stop14h 40m

£760

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 8/9

17:40-20:45

2 stops19h 05m

Southampton Eastleigh

Tue 15/9

09:15-15:55

1 stop14h 40m

£760

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 11/10

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Thu 5/11

17:30-11:45

1 stop26h 15m

£764

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 14/9

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Wed 23/9

09:15-11:45

1 stop34h 30m

£765

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 24/11

13:50-08:10

1 stop34h 20m

Southampton Eastleigh

Tue 1/12

17:30-11:45

1 stop26h 15m

£766

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 26/8

06:13-08:45

2 stops18h 32m

Southampton Eastleigh

Mon 7/9

17:20-11:45

1 stop26h 25m

£767

San JoseSouthampton

SJC - SOU

SJCSOU

San Jose

Fri 7/8

11:38-17:00

2 stops21h 22m

Southampton Eastleigh

Mon 10/8

18:05-15:50

2 stops29h 45m

£1,072

San JoseSouthampton

SJC - SOU

SJCSOU

San Jose

Sat 8/8

12:46-17:00

2 stops20h 14m

Southampton Eastleigh

Tue 11/8

18:05-17:02

2 stops30h 57m

£1,110

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Frequently asked questions about flying from San Francisco Bay Area to Southampton

  • 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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