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Cheap flights from the United States to London from $291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 4/2. 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

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Recent round-trip flight deals from the United States to London

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 1:00 pm
EWR
-
SEN
19h 30m
2 stops
Multiple Airlines Logo
11:20 am - 4:50 pm
SEN
-
EWR
34h 30m
2 stops
$612Multiple Airlines
Wed, May 20 - Fri, May 29
Multiple Airlines Logo
3:05 pm - 11:05 pm
LAX
-
SEN
24h 00m
2 stops
Multiple Airlines Logo
8:25 pm - 4:30 pm
SEN
-
LAX
28h 05m
2 stops
$633Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
4:45 pm - 9:45 pm
BOS
-
SEN
24h 00m
2 stops
Multiple Airlines Logo
8:05 pm - 2:45 pm
SEN
-
BOS
23h 40m
2 stops
$684Multiple Airlines
Fri, May 15 - Mon, May 18
Multiple Airlines Logo
6:55 pm - 11:20 am
JFK
-
SEN
11h 25m
1 stop
Multiple Airlines Logo
6:30 am - 6:18 pm
SEN
-
JFK
16h 48m
1 stop
$687Multiple Airlines
Mon, Apr 20 - Tue, Apr 28
Multiple Airlines Logo
4:45 pm - 9:45 pm
BOS
-
SEN
24h 00m
2 stops
Multiple Airlines Logo
8:05 pm - 2:45 pm
SEN
-
BOS
23h 40m
2 stops
$690Multiple Airlines
Fri, May 15 - Mon, May 18
Multiple Airlines Logo
10:40 pm - 7:35 pm
BOS
-
SEN
15h 55m
2 stops
Multiple Airlines Logo
4:50 pm - 8:20 pm
SEN
-
BOS
32h 30m
3 stops
$691Multiple Airlines
Sun, May 10 - Sat, May 16
Multiple Airlines Logo
6:55 pm - 11:20 am
JFK
-
SEN
11h 25m
1 stop
Multiple Airlines Logo
8:05 pm - 12:40 pm
SEN
-
JFK
21h 35m
2 stops
$701Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:55 pm - 11:20 am
JFK
-
SEN
11h 25m
1 stop
Multiple Airlines Logo
8:05 pm - 12:40 pm
SEN
-
JFK
21h 35m
2 stops
$702Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:55 pm - 11:20 am
JFK
-
SEN
11h 25m
1 stop
Multiple Airlines Logo
8:05 pm - 12:40 pm
SEN
-
JFK
21h 35m
2 stops
$703Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
11:00 pm - 7:35 pm
EWR
-
SEN
15h 35m
2 stops
Multiple Airlines Logo
8:25 am - 9:00 pm
SEN
-
EWR
17h 35m
2 stops
$718Multiple Airlines
Sun, Apr 26 - Wed, Apr 29

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 March 18, 2026.
Use the filters below to find and compare flights from the United States to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkLondon

EWR - SEN

EWRSEN

Newark

Wed 5/20

12:30 pm-1:00 pm

2 stops19h 30m

London Southend

Fri 5/29

11:20 am-4:50 pm

2 stops34h 30m

$612

Los AngelesLondon

LAX - SEN

LAXSEN

Los Angeles Los Angeles

Tue 4/14

3:05 pm-11:05 pm

2 stops24h 00m

London Southend

Tue 4/21

8:25 pm-4:30 pm

2 stops28h 05m

$633

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Fri 5/15

4:45 pm-9:45 pm

2 stops24h 00m

London Southend

Mon 5/18

8:05 pm-2:45 pm

2 stops23h 40m

$684
Quickest round-trip

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Mon 4/20

6:55 pm-11:20 am

1 stop11h 25m

London Southend

Tue 4/28

6:30 am-6:18 pm

1 stop16h 48m

$687

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Fri 5/15

4:45 pm-9:45 pm

2 stops24h 00m

London Southend

Mon 5/18

8:05 pm-2:45 pm

2 stops23h 40m

$690

BostonLondon

BOS - SEN

BOSSEN

Boston Logan Intl

Sun 5/10

10:40 pm-7:35 pm

2 stops15h 55m

London Southend

Sat 5/16

4:50 pm-8:20 pm

3 stops32h 30m

$691

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Mon 4/13

6:55 pm-11:20 am

1 stop11h 25m

London Southend

Mon 4/20

8:05 pm-12:40 pm

2 stops21h 35m

$701

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Mon 4/13

6:55 pm-11:20 am

1 stop11h 25m

London Southend

Mon 4/20

8:05 pm-12:40 pm

2 stops21h 35m

$702

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Mon 4/13

6:55 pm-11:20 am

1 stop11h 25m

London Southend

Mon 4/20

8:05 pm-12:40 pm

2 stops21h 35m

$703

NewarkLondon

EWR - SEN

EWRSEN

Newark

Sun 4/26

11:00 pm-7:35 pm

2 stops15h 35m

London Southend

Wed 4/29

8:25 am-9:00 pm

2 stops17h 35m

$718

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 United States 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 United States to London Southend Airport vary, but if you’re flying out of Boston and flying into London Heathrow Airport (one of the most popular routes), then the duration is 6h 30m on average. Another popular route from United States to London Southend Airport is flying from New York to London Heathrow Airport, which will take roughly 6h 50m. Keep in mind that layovers or delays could extend your travel time.

Cheap United States to London Southend Airport flight deals and tips

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

Fastest flight time

10h 40m

Direct flights

None
The fastest flight from United States to London Southend Airport takes 10h 40m
There are no direct flights from United States to London Southend Airport. There are no popular flight routes from United States to London Southend Airport.
Search flight deals

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

    Prices for flights from United States to London Southend Airport are refreshed on a daily basis.

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

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

    The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford
Richmond

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to London. momondo saves you time and could save you money on your trip.

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

Flights from United States to London 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 United States to London?

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

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

Of course. momondo tracks the price of United States to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Southend Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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