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Cheap flights from London Southend Airport to San Francisco from $491

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Southend Airport to San Francisco departing on 9/7. 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 London Southend Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:50 pm - 12:40 pmSEN  London Southend-SFO San Francisco
27h 50m2 stops Barcelona-El Prat Frankfurt am Main
Multiple Airlines Logo
8:10 am - 11:20 amSFO  San Francisco-SEN London Southend
19h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
$854Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
4:50 pm - 12:40 pmSEN  London Southend-SFO San Francisco
27h 50m2 stops Barcelona-El Prat Frankfurt am Main
Multiple Airlines Logo
8:10 am - 11:20 amSFO  San Francisco-SEN London Southend
19h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
$863Multiple Airlines
Sat, Sep 5 - Mon, Sep 21
Multiple Airlines Logo
11:35 am - 2:40 pmSEN  London Southend-SFO San Francisco
35h 05m2 stops Berlin Brandenburg Kastrup Copenhagen
Multiple Airlines Logo
4:45 pm - 9:25 pmSFO  San Francisco-SEN London Southend
20h 40m2 stops Kastrup Copenhagen Berlin Brandenburg
$876Multiple Airlines
Sun, Sep 27 - Wed, Sep 30
Multiple Airlines Logo
11:00 am - 2:40 pmSEN  London Southend-SFO San Francisco
35h 40m2 stops Berlin Brandenburg Kastrup Copenhagen
Multiple Airlines Logo
4:45 pm - 9:25 pmSFO  San Francisco-SEN London Southend
20h 40m2 stops Kastrup Copenhagen Berlin Brandenburg
$1,087Multiple Airlines
Sun, Aug 23 - Wed, Sep 2
Multiple Airlines Logo
2:25 pm - 3:35 pmSEN  London Southend-SFO San Francisco
33h 10m2 stops Paris Charles de Gaulle Dublin
Multiple Airlines Logo
1:00 pm - 2:35 pmSFO  San Francisco-SEN London Southend
17h 35m2 stops Calgary Paris Charles de Gaulle
$1,114Multiple Airlines
Fri, Nov 6 - Sun, Nov 8
Multiple Airlines Logo
4:55 pm - 2:40 pmSEN  London Southend-SFO San Francisco
29h 45m2 stops Amsterdam Schiphol Kastrup Copenhagen
Multiple Airlines Logo
4:45 pm - 7:35 pmSFO  San Francisco-SEN London Southend
18h 50m2 stops Kastrup Copenhagen Amsterdam Schiphol
$1,142Multiple Airlines
Mon, Sep 14 - Thu, Sep 17
Multiple Airlines Logo
11:35 am - 2:45 pmSEN  London Southend-SFO San Francisco
35h 10m3 stops Lyon-Saint Exupéry Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
8:25 am - 10:15 pmSFO  San Francisco-SEN London Southend
29h 50m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
$1,259Multiple Airlines
Sun, Dec 20 - Sat, Jan 2
Multiple Airlines Logo
12:15 pm - 8:50 pmSEN  London Southend-SFO San Francisco
16h 35m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
3:20 pm - 7:20 pmSFO  San Francisco-SEN London Southend
20h 00m1 stop Paris Orly
$1,343Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
Multiple Airlines Logo
12:15 pm - 8:50 pmSEN  London Southend-SFO San Francisco
16h 35m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
10:12 am - 10:45 amSFO  San Francisco-SEN London Southend
16h 33m2 stops Los Angeles Paris Charles de Gaulle
$1,425Multiple Airlines
Wed, Aug 19 - Thu, Sep 3
Multiple Airlines Logo
11:10 am - 8:50 pmSEN  London Southend-SFO San Francisco
17h 40m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
4:30 pm - 10:50 pmSFO  San Francisco-SEN London Southend
22h 20m3 stops Frankfurt am Main Barcelona-El Prat Ibiza
$1,471Multiple Airlines
Mon, Aug 24 - Fri, Aug 28

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momondo Fare Finder

 
Customize your flight search to find flights from London Southend Airport 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 August 9, 2026.
Use the filters below to find and compare flights from London Southend Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sat 9/5

4:50 pm-12:40 pm

2 stops27h 50m

San Francisco

Mon 9/21

8:10 am-11:20 am

2 stops19h 10m

$854

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sat 9/5

4:50 pm-12:40 pm

2 stops27h 50m

San Francisco

Mon 9/21

8:10 am-11:20 am

2 stops19h 10m

$863

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 9/27

11:35 am-2:40 pm

2 stops35h 05m

San Francisco

Wed 9/30

4:45 pm-9:25 pm

2 stops20h 40m

$876

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 8/23

11:00 am-2:40 pm

2 stops35h 40m

San Francisco

Wed 9/2

4:45 pm-9:25 pm

2 stops20h 40m

$1,087

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Fri 11/6

2:25 pm-3:35 pm

2 stops33h 10m

San Francisco

Sun 11/8

1:00 pm-2:35 pm

2 stops17h 35m

$1,114

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Mon 9/14

4:55 pm-2:40 pm

2 stops29h 45m

San Francisco

Thu 9/17

4:45 pm-7:35 pm

2 stops18h 50m

$1,142

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 12/20

11:35 am-2:45 pm

3 stops35h 10m

San Francisco

Sat 1/2

8:25 am-10:15 pm

2 stops29h 50m

$1,259

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Wed 8/19

12:15 pm-8:50 pm

1 stop16h 35m

San Francisco

Sat 8/29

3:20 pm-7:20 pm

1 stop20h 00m

$1,343
Quickest round-trip

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Wed 8/19

12:15 pm-8:50 pm

1 stop16h 35m

San Francisco

Thu 9/3

10:12 am-10:45 am

2 stops16h 33m

$1,425

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Mon 8/24

11:10 am-8:50 pm

1 stop17h 40m

San Francisco

Fri 8/28

4:30 pm-10:50 pm

3 stops22h 20m

$1,471

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 London Southend Airport 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 London Southend Airport to San Francisco is on a Friday when prices can be found for as low as $743. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $901.

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

Our data shows that the cheapest London Southend Airport 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 $761. Flights in the morning are often more expensive with an average ticket price of $799.

When to book flights from London Southend Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London Southend Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Southend Airport to San Francisco (SEN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Southend Airport to San Francisco

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from London Southend Airport to San Francisco takes 16h 35m
There are no direct flights from London Southend Airport to San Francisco. There are no popular flight routes from London Southend Airport to San Francisco.
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Frequently asked questions about flying from London Southend Airport to San Francisco

  • How far is London Southend to San Francisco by plane?

    There are 5370.3 mi between London Southend and San Francisco. 16h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London Southend Airport to San Francisco Airport?

    Prices for flights from London Southend Airport to San Francisco Airport are updated daily.

  • How old do you have to be to fly from London Southend 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 London Southend Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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
South San Francisco
Fremont
Berkeley
Bodega Bay
Hayward
Walnut Creek
Santa Clara
Vallejo
Roseville
Sonoma
Salinas
Sunnyvale
Milpitas
Daly City
Burlingame
Marina
Palo Alto

Why use momondo?

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

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

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

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

How can momondo help me find flights from London to San Francisco?

momondo helps you find the best flight between London and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.

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