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Cheap flights from Pennsylvania to London from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 10/20. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 4:40 pm
JFK
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
7:25 am - 10:05 pm
SEN
-
JFK
19h 40m
2 stops
$731Multiple Airlines
Wed, Aug 26 - Sun, Sep 13
Multiple Airlines Logo
8:30 pm - 9:45 pm
JFK
-
SEN
20h 15m
2 stops
Multiple Airlines Logo
7:50 pm - 10:25 pm
SEN
-
JFK
31h 35m
3 stops
$823Multiple Airlines
Fri, Aug 14 - Sun, Aug 23
Multiple Airlines Logo
11:10 pm - 7:20 pm
JFK
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
12:15 pm - 10:05 pm
SEN
-
JFK
14h 50m
2 stops
$829Multiple Airlines
Sat, Aug 1 - Wed, Aug 12
Multiple Airlines Logo
6:55 pm - 7:10 pm
JFK
-
SEN
19h 15m
2 stops
Multiple Airlines Logo
1:55 pm - 3:40 pm
SEN
-
JFK
30h 45m
3 stops
$831Multiple Airlines
Thu, Aug 20 - Thu, Sep 3
Multiple Airlines Logo
11:10 pm - 7:20 pm
JFK
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
11:00 am - 1:40 pm
SEN
-
JFK
31h 40m
2 stops
$833Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
Multiple Airlines Logo
11:10 pm - 7:20 pm
JFK
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
11:00 am - 1:40 pm
SEN
-
JFK
31h 40m
2 stops
$841Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
Multiple Airlines Logo
11:10 pm - 7:20 pm
JFK
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
11:00 am - 1:40 pm
SEN
-
JFK
31h 40m
2 stops
$843Multiple Airlines
Sat, Aug 1 - Sun, Aug 16
Multiple Airlines Logo
8:30 pm - 7:20 pm
JFK
-
SEN
17h 50m
2 stops
Multiple Airlines Logo
5:15 pm - 1:40 pm
SEN
-
JFK
25h 25m
2 stops
$844Multiple Airlines
Sat, Aug 8 - Thu, Aug 20
Multiple Airlines Logo
8:30 pm - 4:40 pm
JFK
-
SEN
15h 10m
2 stops
Multiple Airlines Logo
6:00 pm - 10:05 pm
SEN
-
JFK
33h 05m
3 stops
$848Multiple Airlines
Wed, Aug 19 - Wed, Sep 2
Multiple Airlines Logo
8:30 pm - 9:45 pm
JFK
-
SEN
20h 15m
2 stops
Multiple Airlines Logo
11:00 am - 1:40 pm
SEN
-
JFK
31h 40m
2 stops
$849Multiple Airlines
Fri, Aug 14 - Sun, Aug 23

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 May 13, 2026.
Use the filters below to find and compare flights from Pennsylvania to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Wed 8/26

8:30 pm-4:40 pm

2 stops15h 10m

London Southend

Sun 9/13

7:25 am-10:05 pm

2 stops19h 40m

$731

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Fri 8/14

8:30 pm-9:45 pm

2 stops20h 15m

London Southend

Sun 8/23

7:50 pm-10:25 pm

3 stops31h 35m

$823
Quickest round-trip

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sat 8/1

11:10 pm-7:20 pm

2 stops15h 10m

London Southend

Wed 8/12

12:15 pm-10:05 pm

2 stops14h 50m

$829

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Thu 8/20

6:55 pm-7:10 pm

2 stops19h 15m

London Southend

Thu 9/3

1:55 pm-3:40 pm

3 stops30h 45m

$831

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sat 8/1

11:10 pm-7:20 pm

2 stops15h 10m

London Southend

Sun 8/9

11:00 am-1:40 pm

2 stops31h 40m

$833

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sat 8/1

11:10 pm-7:20 pm

2 stops15h 10m

London Southend

Sun 8/9

11:00 am-1:40 pm

2 stops31h 40m

$841

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sat 8/1

11:10 pm-7:20 pm

2 stops15h 10m

London Southend

Sun 8/16

11:00 am-1:40 pm

2 stops31h 40m

$843

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sat 8/8

8:30 pm-7:20 pm

2 stops17h 50m

London Southend

Thu 8/20

5:15 pm-1:40 pm

2 stops25h 25m

$844

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Wed 8/19

8:30 pm-4:40 pm

2 stops15h 10m

London Southend

Wed 9/2

6:00 pm-10:05 pm

3 stops33h 05m

$848

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Fri 8/14

8:30 pm-9:45 pm

2 stops20h 15m

London Southend

Sun 8/23

11:00 am-1:40 pm

2 stops31h 40m

$849

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 Pennsylvania 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 Pennsylvania to London Southend Airport vary, but if you’re flying out of Philadelphia and flying into London Heathrow Airport (one of the most popular routes), then the duration is 7h on average. Another popular route from Pennsylvania to London Southend Airport is flying from Pittsburgh to London Heathrow Airport, which will take roughly 7h 15m. Keep in mind that layovers or delays could extend your travel time.

Cheap Pennsylvania to London Southend Airport flight deals and tips

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

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from Pennsylvania to London Southend Airport takes 10h 55m
There are no direct flights from Pennsylvania to London Southend Airport. There are no popular flight routes from Pennsylvania to London Southend Airport.
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Frequently asked questions about flying from Pennsylvania to London Southend Airport

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

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

  • How old do you have to be to fly from Pennsylvania to London Southend Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania 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
Dover
Luton
Hayes
Crawley
Wembley
Slough
Croydon
Stansted
Watford
Harrow
Brentwood
Dartford
Cobham
Folkestone
Romford
Uxbridge
Guildford

Why use momondo?

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

Finding the right flight to London from Pennsylvania is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Pennsylvania to London flights to just show those with flexible booking policies.

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

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Pennsylvania and alert you when they change.

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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