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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 12/15. 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
0 bags

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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
8:20 pm - 3:30 pm
SEN
-
SFO
26h 10m2 stops
Multiple Airlines Logo
6:20 pm - 11:05 pm
SFO
-
SEN
21h 45m3 stops
$793Multiple Airlines
mar., mar. 10 - mar., mar. 17
Multiple Airlines Logo
8:00 am - 2:30 pm
SEN
-
SFO
38h 30m3 stops
Multiple Airlines Logo
10:15 am - 5:05 pm
SFO
-
SEN
22h 50m3 stops
$800Multiple Airlines
mar., ene. 13 - sáb., ene. 17
Multiple Airlines Logo
7:10 am - 8:10 pm
SEN
-
SFO
21h 00m1 stop
Multiple Airlines Logo
7:55 pm - 8:50 pm
SFO
-
SEN
16h 55m1 stop
$1,340Multiple Airlines
mié., dic. 24 - sáb., ene. 10
Multiple Airlines Logo
10:00 am - 8:10 pm
SEN
-
SFO
18h 10m1 stop
Multiple Airlines Logo
7:55 pm - 8:50 pm
SFO
-
SEN
16h 55m1 stop
$1,454Multiple Airlines
vie., dic. 26 - sáb., ene. 3
Multiple Airlines Logo
7:15 am - 7:35 pm
SEN
-
SFO
20h 20m2 stops
Multiple Airlines Logo
3:05 pm - 8:10 pm
SFO
-
SEN
21h 05m2 stops
$3,079Multiple Airlines
sáb., dic. 27 - sáb., ene. 3
Multiple Airlines Logo
1:20 pm - 4:45 pm
SEN
-
SFO
35h 25m2 stops
Multiple Airlines Logo
1:10 pm - 8:55 pm
SFO
-
SEN
23h 45m2 stops
$3,109Multiple Airlines
jue., ene. 1 - dom., ene. 4

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 diciembre 11, 2025.
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

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

mar. 3/10

8:20 pm-3:30 pm

2 stops26h 10m

San Francisco

mar. 3/17

6:20 pm-11:05 pm

3 stops21h 45m

$793

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

mar. 1/13

8:00 am-2:30 pm

3 stops38h 30m

San Francisco

sáb. 1/17

10:15 am-5:05 pm

3 stops22h 50m

$800

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

mié. 12/24

7:10 am-8:10 pm

1 stop21h 00m

San Francisco

sáb. 1/10

7:55 pm-8:50 pm

1 stop16h 55m

$1,340

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

vie. 12/26

10:00 am-8:10 pm

1 stop18h 10m

San Francisco

sáb. 1/3

7:55 pm-8:50 pm

1 stop16h 55m

$1,454

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

sáb. 12/27

7:15 am-7:35 pm

2 stops20h 20m

San Francisco

sáb. 1/3

3:05 pm-8:10 pm

2 stops21h 05m

$3,079

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

jue. 1/1

1:20 pm-4:45 pm

2 stops35h 25m

San Francisco

dom. 1/4

1:10 pm-8:55 pm

2 stops23h 45m

$3,109

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

lun. 12/15

5:30 pm-2:30 pm

3 stops53h 00m

$491

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

lun. 12/15

5:30 pm-2:30 pm

3 stops53h 00m

$496

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

dom. 1/18

7:10 am-1:24 pm

3 stops38h 14m

$504

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

dom. 2/8

7:10 am-8:10 pm

2 stops21h 00m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 Thursday when prices can be found for as low as $679. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $747.

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 in the evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights in the afternoon are often more expensive with an average ticket price of $737.

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

18h 10m

Direct flights

None
The fastest flight from London Southend Airport to San Francisco takes 18h 10m
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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  • How far is London Southend to San Francisco by plane?

    There are 5370.0 mi between London Southend and San Francisco. 18h 10m 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
Sonoma
Bodega Bay
Roseville
Hayward
Big Sur
Calistoga
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Sunnyvale

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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1 adult
sáb. 1/10
sáb. 1/17
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