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 refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Southend 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.

£361 Cheap Flights from London Southend Airport to San Francisco in 2026

Find the cheapest flights from London Southend Airport to San Francisco

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:25 - 21:55SEN London Southend-SFO San Francisco

22h 30m2 stops Paris Charles de Gaulle Calgary

13:00 - 17:15SFO San Francisco-SEN London Southend

20h 15m2 stops Calgary Paris Charles de Gaulle

£753Multiple Airlines

Sun, 13 Sep - Thu, 19 Nov

16:55 - 14:40SEN London Southend-SFO San Francisco

29h 45m2 stops Amsterdam Schiphol Kastrup Copenhagen

16:45 - 20:35SFO San Francisco-SEN London Southend

19h 50m2 stops Kastrup Copenhagen Amsterdam Schiphol

£765Multiple Airlines

Mon, 19 Oct - Sat, 24 Oct

07:25 - 20:50SEN London Southend-SFO San Francisco

21h 25m1 stop Paris Charles de Gaulle

13:00 - 17:15SFO San Francisco-SEN London Southend

20h 15m2 stops Calgary Paris Charles de Gaulle

£889Multiple Airlines

Sun, 13 Sep - Thu, 19 Nov

08:25 - 21:55SEN London Southend-SFO San Francisco

21h 30m2 stops Barcelona-El Prat Calgary

15:15 - 21:45SFO San Francisco-SEN London Southend

22h 30m2 stops Rome Fiumicino Barcelona-El Prat

£1,011Multiple Airlines

Wed, 23 Sep - Fri, 25 Sep

08:25 - 21:55SEN London Southend-SFO San Francisco

21h 30m2 stops Barcelona-El Prat Calgary

16:30 - 21:45SFO San Francisco-SEN London Southend

21h 15m2 stops Frankfurt am Main Barcelona-El Prat

£1,305Multiple Airlines

Wed, 2 Sep - Fri, 4 Sep

13:00 - 16:35SEN London Southend-SFO San Francisco

34h 35m2 stops Granadilla Tenerife-Sur Dublin

08:25 - 22:55SFO San Francisco-SEN London Southend

31h 30m3 stops Montreal Pierre Elliott Trudeau Intl Lisbon Humberto Delgado Granadilla Tenerife-Sur

£1,669Multiple Airlines

Tue, 27 Oct - Fri, 30 Oct

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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 return flight

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 13/9

07:25-21:55

2 stops22h 30m

San Francisco

Thu 19/11

13:00-17:15

2 stops20h 15m

£753

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Mon 19/10

16:55-14:40

2 stops29h 45m

San Francisco

Sat 24/10

16:45-20:35

2 stops19h 50m

£765

Fastest return journey

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 13/9

07:25-20:50

1 stop21h 25m

San Francisco

Thu 19/11

13:00-17:15

2 stops20h 15m

£889

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Wed 23/9

08:25-21:55

2 stops21h 30m

San Francisco

Fri 25/9

15:15-21:45

2 stops22h 30m

£1,011

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Wed 2/9

08:25-21:55

2 stops21h 30m

San Francisco

Fri 4/9

16:30-21:45

2 stops21h 15m

£1,305

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Tue 27/10

13:00-16:35

2 stops34h 35m

San Francisco

Fri 30/10

08:25-22:55

3 stops31h 30m

£1,669

Cheapest one-way

Fastest single journey

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 10/1

17:15-14:45

2 stops29h 30m

£361

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Sun 13/9

07:25-15:46

3 stops40h 21m

£363

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Wed 9/9

08:25-14:30

2 stops38h 05m

£364

LondonSan Francisco

SEN London Southend - SFO San Francisco

SENSFO

London Southend

Tue 1/9

20:25-14:30

3 stops50h 05m

£364

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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 on your flight to San Francisco is on a Thursday when prices can be found for as low as £580. This is often the case because there is less demand to fly during this day of the week. Flights from London Southend Airport to San Francisco on a Sunday will generally be more expensive and average around £668. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from London Southend Airport to San Francisco during this time can be as low as £589. Try not to purchase tickets at midday because they tend to be around £715. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 return 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	21h 30m
Direct flights	None

The fastest flight from London Southend Airport to San Francisco takes 21h 30m

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?
London Southend and San Francisco are 5370.3 mi apart from one another. In terms of flight time, this usually takes a little over 21h 30m.
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 refreshed on a daily basis.
How old do you have to be to fly from London Southend Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Southend 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.

South San Francisco

Santa Cruz

Sunnyvale

Rohnert Park

Carmel-by-the-Sea

Windsor

Burlingame

Belmont

Big Sur

Sausalito

San Bruno

Pacific Grove

Aptos

Newark

Mill Valley

Campbell

Palo Alto

Seaside

Roseville

Novato

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Francisco for you.

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

Flights from London to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London 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 London to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.