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.

£363 Cheap Flights from London Southend Airport to San Francisco in 2026

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Find the cheapest flights from London Southend Airport to San Francisco

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:15 - 12:05

SEN

SFO

35h 50m

2 stops

14:10 - 20:50

SFO

SEN

23h 40m

2 stops

£833Multiple Airlines

Mon, 9 Mar - Sat, 14 Mar

momondo Fare Finder

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

Mon 9/3

07:15-12:05

2 stops35h 50m

San Francisco

Sat 14/3

14:10-20:50

2 stops23h 40m

£833

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 25/3

07:10-21:10

1 stop21h 00m

£363

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 18/2

07:10-20:10

1 stop21h 00m

£370

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Thu 19/3

18:05-21:10

1 stop34h 05m

£374

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Thu 5/3

07:15-16:05

3 stops40h 50m

£374

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Mon 16/2

17:30-14:30

3 stops53h 00m

£380

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Thu 26/3

18:05-21:10

1 stop34h 05m

£381

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Sun 7/6

07:25-20:50

1 stop21h 25m

£383

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Mon 16/2

17:30-14:30

3 stops53h 00m

£384

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Sun 7/6

07:25-20:50

1 stop21h 25m

£393

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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 £556. 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 £655. 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 £551. Try not to purchase tickets at midday because they tend to be around £808. 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	35h 50m
Direct flights	None

The fastest flight from London Southend Airport to San Francisco takes 35h 50m

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.

Search flight deals

How far is London Southend to San Francisco by plane?
London Southend and San Francisco are 5370.0 mi apart from one another. In terms of flight time, this usually takes a little over 35h 50m.
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.

Sunnyvale

Santa Clara

Seaside

Big Sur

Rohnert Park

Campbell

Palo Alto

Santa Cruz

Roseville

Novato

South San Francisco

Capitola

Aptos

Sausalito

San Bruno

Woodland

Pacific Grove

Redwood City

Mill Valley

Burlingame

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.