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Cheap flights from California to London from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to London departing on 10/23. 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 California to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 am - 10:20 pmSFO  San Francisco-SEN London Southend
29h 55m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
5:15 pm - 12:35 pmSEN  London Southend-SFO San Francisco
27h 20m2 stops Barcelona-El Prat Frankfurt am Main
$806Multiple Airlines
Wed, Nov 11 - Sun, Nov 15
Multiple Airlines Logo
7:00 am - 6:35 pmLAX  Los Angeles-SEN London Southend
27h 35m2 stops Calgary Paris Charles de Gaulle
Multiple Airlines Logo
5:20 pm - 7:20 amSEN  London Southend-LAX Los Angeles
46h 00m3 stops Palma de Mallorca Son Sant Joan Barcelona-El Prat Casablanca Mohamed V
$858Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
8:25 am - 10:20 pmSFO  San Francisco-SEN London Southend
29h 55m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
3:30 pm - 2:45 pmSEN  London Southend-SFO San Francisco
31h 15m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$902Multiple Airlines
Wed, Dec 2 - Tue, Dec 8
Multiple Airlines Logo
3:05 pm - 7:50 pmLAX  Los Angeles-SEN London Southend
20h 45m2 stops Frankfurt am Main Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
8:25 pm - 7:54 pmSEN  London Southend-LAX Los Angeles
31h 29m3 stops Palma de Mallorca Son Sant Joan Zurich Montreal Pierre Elliott Trudeau Intl
$903Multiple Airlines
Mon, Oct 12 - Tue, Oct 20
Multiple Airlines Logo
9:20 am - 2:35 pmLAX  Los Angeles-SEN London Southend
21h 15m2 stops Casablanca Mohamed V Paris Charles de Gaulle
Multiple Airlines Logo
11:35 am - 7:20 amSEN  London Southend-LAX Los Angeles
27h 45m2 stops Paris Charles de Gaulle Casablanca Mohamed V
$910Multiple Airlines
Sun, Nov 15 - Mon, Nov 30
Multiple Airlines Logo
10:20 am - 9:45 pmLAX  Los Angeles-SEN London Southend
27h 25m2 stops Casablanca Mohamed V Barcelona-El Prat
Multiple Airlines Logo
5:30 pm - 8:20 amSEN  London Southend-LAX Los Angeles
46h 50m3 stops Palma de Mallorca Son Sant Joan Barcelona-El Prat Casablanca Mohamed V
$922Multiple Airlines
Fri, Sep 25 - Sun, Oct 4
Multiple Airlines Logo
10:20 am - 9:45 pmLAX  Los Angeles-SEN London Southend
27h 25m2 stops Casablanca Mohamed V Barcelona-El Prat
Multiple Airlines Logo
5:30 pm - 8:20 amSEN  London Southend-LAX Los Angeles
46h 50m3 stops Palma de Mallorca Son Sant Joan Barcelona-El Prat Casablanca Mohamed V
$925Multiple Airlines
Fri, Sep 18 - Sun, Oct 4
Multiple Airlines Logo
8:30 am - 11:20 pmSFO  San Francisco-SEN London Southend
30h 50m3 stops Toronto Pearson Intl Frankfurt am Main Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
8:25 pm - 7:00 pmSEN  London Southend-SFO San Francisco
30h 35m2 stops Palma de Mallorca Son Sant Joan Munich Franz Josef Strauss
$1,012Multiple Airlines
Sat, Sep 26 - Tue, Oct 6
Multiple Airlines Logo
11:50 am - 6:35 pmLAS  Las Vegas Harry Reid Intl-SEN London Southend
22h 45m2 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle
Multiple Airlines Logo
7:10 am - 10:47 pmSEN  London Southend-LAS Las Vegas Harry Reid Intl
23h 37m3 stops Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$1,083Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
8:15 am - 10:25 amLAX  Los Angeles-SEN London Southend
18h 10m2 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle
Multiple Airlines Logo
6:00 pm - 8:20 amSEN  London Southend-LAX Los Angeles
46h 20m3 stops Ibiza Barcelona-El Prat Casablanca Mohamed V
$1,086Multiple Airlines
Sat, Sep 12 - Wed, Sep 16

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momondo Fare Finder

 
Customize your flight search to find flights from California to London Southend Airport 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 17, 2026.
Use the filters below to find and compare flights from California to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLondon

SFO San Francisco - SEN London Southend

SFOSEN

San Francisco

Wed 11/11

8:25 am-10:20 pm

2 stops29h 55m

London Southend

Sun 11/15

5:15 pm-12:35 pm

2 stops27h 20m

$806

Los AngelesLondon

LAX Los Angeles - SEN London Southend

LAXSEN

Los Angeles

Wed 11/4

7:00 am-6:35 pm

2 stops27h 35m

London Southend

Wed 11/18

5:20 pm-7:20 am

3 stops46h 00m

$858

San FranciscoLondon

SFO San Francisco - SEN London Southend

SFOSEN

San Francisco

Wed 12/2

8:25 am-10:20 pm

2 stops29h 55m

London Southend

Tue 12/8

3:30 pm-2:45 pm

2 stops31h 15m

$902

Los AngelesLondon

LAX Los Angeles - SEN London Southend

LAXSEN

Los Angeles

Mon 10/12

3:05 pm-7:50 pm

2 stops20h 45m

London Southend

Tue 10/20

8:25 pm-7:54 pm

3 stops31h 29m

$903

Los AngelesLondon

LAX Los Angeles - SEN London Southend

LAXSEN

Los Angeles

Sun 11/15

9:20 am-2:35 pm

2 stops21h 15m

London Southend

Mon 11/30

11:35 am-7:20 am

2 stops27h 45m

$910

Los AngelesLondon

LAX Los Angeles - SEN London Southend

LAXSEN

Los Angeles

Fri 9/25

10:20 am-9:45 pm

2 stops27h 25m

London Southend

Sun 10/4

5:30 pm-8:20 am

3 stops46h 50m

$922

Los AngelesLondon

LAX Los Angeles - SEN London Southend

LAXSEN

Los Angeles

Fri 9/18

10:20 am-9:45 pm

2 stops27h 25m

London Southend

Sun 10/4

5:30 pm-8:20 am

3 stops46h 50m

$925

San FranciscoLondon

SFO San Francisco - SEN London Southend

SFOSEN

San Francisco

Sat 9/26

8:30 am-11:20 pm

3 stops30h 50m

London Southend

Tue 10/6

8:25 pm-7:00 pm

2 stops30h 35m

$1,012
Quickest round-trip

Las VegasLondon

LAS Las Vegas Harry Reid Intl - SEN London Southend

LASSEN

Las Vegas Harry Reid Intl

Wed 12/9

11:50 am-6:35 pm

2 stops22h 45m

London Southend

Wed 12/16

7:10 am-10:47 pm

3 stops23h 37m

$1,083

Los AngelesLondon

LAX Los Angeles - SEN London Southend

LAXSEN

Los Angeles

Sat 9/12

8:15 am-10:25 am

2 stops18h 10m

London Southend

Wed 9/16

6:00 pm-8:20 am

3 stops46h 20m

$1,086

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 London from

How to get the cheapest flight ticket from California to London Southend Airport

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

How long does it take to fly to London Southend Airport?

Flight times from California to London Southend Airport vary, but if you’re flying out of San Francisco and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 15m on average. Another popular route from California to London Southend Airport is flying from Los Angeles to London Heathrow Airport, which will take roughly 10h 20m. Keep in mind that layovers or delays could extend your travel time.

Cheap California to London Southend Airport flight deals and tips

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

Best Price Found

$333

Fastest flight time

13h 15m

Direct flights

None
The best one-way flight to London Southend Airport from California in the past 72 hours is $333. The best round-trip flight deal from California to London Southend Airport found on momondo in the last 72 hours is $806.
The fastest flight from California to London Southend Airport takes 13h 15m
There are no direct flights from California to London Southend Airport. There are no popular flight routes from California to London Southend Airport.
Search flight deals

Frequently asked questions about flying from California to London Southend Airport

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

    Prices for flights from California to London Southend Airport were last updated today.

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

  • What documentation or ID do you need to fly to London Southend Airport?

    The required travel and health documents for your London Southend Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Worthing
Romford
Ilford
Bedford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from California.

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

Yes. momondo enables you to select and highlight flights to London from California with this policy.

How can momondo help me find flights from California to London?

momondo provides multiple filters to help you find the best flight to London from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for California to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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