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Cheap flights from Pennsylvania to London from $280

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 4/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:05 pm - 10:20 pm
JFK
-
SEN
19h 15m
2 stops
Multiple Airlines Logo
6:30 am - 5:45 pm
SEN
-
JFK
16h 15m
2 stops
$628Multiple Airlines
Tue, Apr 14 - Thu, Apr 16
Multiple Airlines Logo
10:05 pm - 7:35 pm
JFK
-
SEN
16h 30m
2 stops
Multiple Airlines Logo
6:30 am - 5:45 pm
SEN
-
JFK
16h 15m
2 stops
$634Multiple Airlines
Sun, Apr 19 - Tue, Apr 21
Multiple Airlines Logo
10:05 pm - 7:35 pm
JFK
-
SEN
16h 30m
2 stops
Multiple Airlines Logo
6:30 am - 5:45 pm
SEN
-
JFK
16h 15m
2 stops
$650Multiple Airlines
Sun, May 10 - Tue, May 19
Multiple Airlines Logo
5:25 pm - 8:10 pm
IAD
-
SEN
21h 45m
2 stops
Multiple Airlines Logo
8:40 pm - 7:25 pm
SEN
-
IAD
27h 45m
3 stops
$716Multiple Airlines
Wed, Apr 8 - Fri, Apr 17
Multiple Airlines Logo
8:10 pm - 1:00 pm
JFK
-
SEN
11h 50m
1 stop
Multiple Airlines Logo
11:10 am - 6:45 pm
SEN
-
JFK
12h 35m
1 stop
$753Multiple Airlines
Wed, Apr 29 - Mon, May 4
Multiple Airlines Logo
6:50 pm - 11:20 am
JFK
-
SEN
11h 30m
1 stop
Multiple Airlines Logo
8:05 pm - 12:40 pm
SEN
-
JFK
21h 35m
2 stops
$759Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
1:20 pm - 10:25 pm
IAD
-
SEN
28h 05m
2 stops
Multiple Airlines Logo
7:00 am - 11:35 am
SEN
-
IAD
33h 35m
2 stops
$765Multiple Airlines
Thu, Apr 30 - Mon, May 4
Multiple Airlines Logo
8:20 pm - 11:20 pm
IAD
-
SEN
22h 00m
2 stops
Multiple Airlines Logo
8:25 pm - 5:00 pm
SEN
-
IAD
25h 35m
2 stops
$772Multiple Airlines
Sat, Apr 25 - Tue, Apr 28
Multiple Airlines Logo
8:55 pm - 9:45 pm
JFK
-
SEN
19h 50m
2 stops
Multiple Airlines Logo
5:30 pm - 10:30 pm
SEN
-
JFK
34h 00m
2 stops
$795Multiple Airlines
Fri, Apr 10 - Wed, Apr 15
Multiple Airlines Logo
5:30 pm - 10:45 am
JFK
-
SEN
12h 15m
1 stop
Multiple Airlines Logo
10:10 am - 6:45 pm
SEN
-
JFK
13h 35m
1 stop
$798Multiple Airlines
Thu, May 7 - Thu, May 14

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 March 28, 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

Tue 4/14

10:05 pm-10:20 pm

2 stops19h 15m

London Southend

Thu 4/16

6:30 am-5:45 pm

2 stops16h 15m

$628

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sun 4/19

10:05 pm-7:35 pm

2 stops16h 30m

London Southend

Tue 4/21

6:30 am-5:45 pm

2 stops16h 15m

$634

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Sun 5/10

10:05 pm-7:35 pm

2 stops16h 30m

London Southend

Tue 5/19

6:30 am-5:45 pm

2 stops16h 15m

$650

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Wed 4/8

5:25 pm-8:10 pm

2 stops21h 45m

London Southend

Fri 4/17

8:40 pm-7:25 pm

3 stops27h 45m

$716
Quickest round-trip

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Wed 4/29

8:10 pm-1:00 pm

1 stop11h 50m

London Southend

Mon 5/4

11:10 am-6:45 pm

1 stop12h 35m

$753

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Mon 5/4

6:50 pm-11:20 am

1 stop11h 30m

London Southend

Mon 5/11

8:05 pm-12:40 pm

2 stops21h 35m

$759

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 4/30

1:20 pm-10:25 pm

2 stops28h 05m

London Southend

Mon 5/4

7:00 am-11:35 am

2 stops33h 35m

$765

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 4/25

8:20 pm-11:20 pm

2 stops22h 00m

London Southend

Tue 4/28

8:25 pm-5:00 pm

2 stops25h 35m

$772

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Fri 4/10

8:55 pm-9:45 pm

2 stops19h 50m

London Southend

Wed 4/15

5:30 pm-10:30 pm

2 stops34h 00m

$795

New YorkLondon

JFK - SEN

JFKSEN

New York John F Kennedy Intl

Thu 5/7

5:30 pm-10:45 am

1 stop12h 15m

London Southend

Thu 5/14

10:10 am-6:45 pm

1 stop13h 35m

$798

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 20m. 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

11h 15m

Direct flights

None
The fastest flight from Pennsylvania to London Southend Airport takes 11h 15m
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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  • 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
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Crawley
Slough
Wembley
Hayes
Croydon
Dartford
Brentwood
Guildford
Harrow
Cobham
Folkestone
Romford
Stansted
Watford
Richmond

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.
Start using Trips
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