Find flights
When to book
FAQs

Cheap flights from London Southend Airport to San Francisco from £339

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — SFO
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southend to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£718

One-way from

£339

Popular in

July

Cheapest in

February

Average price

£421
1/10-15/10
  • 1/10-15/10
  • 3 total stops
  • 46h 45m total
  • London to San Francisco
Search Deals
11/11
  • 11/11
  • 3 total stops
  • 30h 35m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southend to San Francisco

Cheapest flights from Southend to San Francisco
Explore the most affordable flight options available from Southend to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Wed 1/1017:00SEN - SFO
2 stops27h 50mMultiple Airlines
Wed 15/1013:45SFO - SEN
1 stop18h 55mMultiple Airlines
Deal found 17/9£718
Tue 23/1207:35SEN - SFO
2 stops21h 46mMultiple Airlines
Wed 31/1213:55SFO - SEN
1 stop19h 20mMultiple Airlines
Deal found 16/9£761
Sun 21/916:55SEN - SFO
2 stops25h 40mMultiple Airlines
Sun 28/912:40SFO - SEN
2 stops22h 55mMultiple Airlines
Deal found 16/9£881
Sun 21/920:05SEN - SFO
2 stops26h 25mMultiple Airlines
Tue 16/1211:20SFO - SEN
3 stops19h 10mMultiple Airlines
Deal found 16/9£972
Thu 2/1017:40SEN - SFO
2 stops35h 44mMultiple Airlines
Wed 15/1012:50SFO - SEN
2 stops24h 00mMultiple Airlines
Deal found 16/9£1,096

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend 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, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from London Southend Airport to San Francisco that are best for you.

Fly from

Southend

Fly to

San Francisco

Route

Depart

Return

Price

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 1/10

17:00-12:50

2 stops27h 50m

San Francisco

Wed 15/10

13:45-16:40

1 stop18h 55m

£718

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Tue 23/12

07:35-21:21

2 stops21h 46m

San Francisco

Wed 31/12

13:55-17:15

1 stop19h 20m

£761

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Thu 2/10

17:40-21:24

2 stops35h 44m

San Francisco

Wed 15/10

12:50-20:50

2 stops24h 00m

£1,096

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Tue 11/11

15:55-14:30

3 stops30h 35m

£339

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Fri 14/11

07:35-10:37

3 stops35h 02m

£339

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 17/12

07:10-09:30

3 stops34h 20m

£343

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 1/10

15:40-21:24

3 stops37h 44m

£356

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 10/12

07:10-20:10

1 stop21h 00m

£358

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 12/11

07:10-20:10

1 stop21h 00m

£358

LondonSan Francisco

SEN - SFO

SENSFO

London Southend

Wed 5/11

07:10-20:10

1 stop21h 00m

£358

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 14 results
1
2

Best time to book a flight from Southend to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Southend with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Southend to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from London Southend?

    If you book a flight to San Francisco from London Southend, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 0 flights from London Southend to San Francisco per day from 0 different airlines.

  • Can I find deals for flights from Southend to San Francisco that include hotel bookings?

    Yes. In addition to deals on Southend to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southend to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to San Francisco.

  • Can I find deals for business class flights from Southend to San Francisco?

    Yes. Cheapflights offers flight deals from Southend to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Southend Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from London Southend Airport to San Francisco (average of £538). Flying from London Southend Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southend to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
London City to Los Angeles flights
Gatwick to Las Vegas flights
Gatwick to San Francisco flights
Gatwick to Los Angeles flights
London City to San Francisco flights
Heathrow to Ontario flights
Heathrow to Santa Ana flights
Heathrow to Burbank flights
Heathrow to San Diego flights
London City to Las Vegas flights
Heathrow to Long Beach flights
Stansted to Los Angeles flights
Luton to Los Angeles flights
Heathrow to Oakland flights
Heathrow to San Jose flights
Stansted to San Francisco flights
Gatwick to Burbank flights
Luton to Las Vegas flights
Gatwick to San Jose flights
Gatwick to San Diego flights
Gatwick to Oakland flights
Luton to San Francisco flights
Gatwick to Santa Ana flights
Stansted to Las Vegas flights
London City to San Diego flights
Heathrow to Sacramento flights
London City to Burbank flights
London City to Oakland flights
Heathrow to Palm Springs flights
Gatwick to Sacramento flights
London City to Santa Ana flights
Gatwick to Ontario flights
Stansted to San Diego flights
London City to Ontario flights
Heathrow to Reno flights
London City to Sacramento flights
Southend to Los Angeles flights
London City to San Jose flights
London City to Palm Springs flights
Heathrow to Santa Rosa flights
London City to Tijuana flights
Gatwick to Reno flights
Gatwick to Tijuana flights
Heathrow to Tijuana flights
Heathrow to Santa Barbara flights
London City to Santa Barbara flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southend to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southend to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Southend to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Southend to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Southend to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Southend shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southend to San Francisco become cheaper?

Yes! Start tracking prices for Southend to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.