How do I get Price Alerts for flights from Philadelphia to London Southend Airport?

Confirm your travel details to search for the latest offers for flights from Philadelphia to London Southend Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Philadelphia to London Southend Airport with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

Prices for flights from Philadelphia Airport to London Southend Airport are updated daily.

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

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

The travel and health documents required for your trip to London Southend Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Southend Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£286 Cheap Flights from Philadelphia to London Southend Airport in 2026/27

Find the cheapest flights from Philadelphia to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 19:20PHL Philadelphia-SEN London Southend

29h 05m3 stops Toronto Pearson Intl Zurich Geneva Geneve-Cointrin

07:05 - 22:36SEN London Southend-PHL Philadelphia

20h 31m3 stops Geneva Geneve-Cointrin Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£665Multiple Airlines

Tue, 26 Jan - Sun, 31 Jan

17:40 - 14:50PHL Philadelphia-SEN London Southend

16h 10m2 stops Frankfurt am Main Amsterdam Schiphol

07:35 - 22:36SEN London Southend-PHL Philadelphia

20h 01m2 stops Amsterdam Schiphol Toronto Pearson Intl

£768Multiple Airlines

Sun, 6 Dec - Tue, 15 Dec

21:15 - 14:50PHL Philadelphia-SEN London Southend

12h 35m1 stop Amsterdam Schiphol

07:35 - 15:25SEN London Southend-PHL Philadelphia

12h 50m1 stop Amsterdam Schiphol

£816Multiple Airlines

Sun, 6 Dec - Tue, 15 Dec

21:15 - 14:50PHL Philadelphia-SEN London Southend

12h 35m1 stop Amsterdam Schiphol

07:35 - 15:25SEN London Southend-PHL Philadelphia

12h 50m1 stop Amsterdam Schiphol

£818Multiple Airlines

Sun, 6 Dec - Tue, 15 Dec

21:15 - 14:50PHL Philadelphia-SEN London Southend

12h 35m1 stop Amsterdam Schiphol

07:35 - 15:25SEN London Southend-PHL Philadelphia

12h 50m1 stop Amsterdam Schiphol

£819Multiple Airlines

Sun, 6 Dec - Tue, 15 Dec

17:40 - 14:50PHL Philadelphia-SEN London Southend

16h 10m2 stops Frankfurt am Main Amsterdam Schiphol

07:35 - 22:36SEN London Southend-PHL Philadelphia

20h 01m2 stops Amsterdam Schiphol Toronto Pearson Intl

£827Multiple Airlines

Sun, 6 Dec - Tue, 15 Dec

21:15 - 16:40PHL Philadelphia-SEN London Southend

14h 25m1 stop Amsterdam Schiphol

07:10 - 16:10SEN London Southend-PHL Philadelphia

14h 00m1 stop Paris Charles de Gaulle

£828Multiple Airlines

Wed, 10 Feb - Wed, 17 Feb

21:15 - 16:40PHL Philadelphia-SEN London Southend

14h 25m1 stop Amsterdam Schiphol

07:10 - 16:10SEN London Southend-PHL Philadelphia

14h 00m1 stop Paris Charles de Gaulle

£834Multiple Airlines

Wed, 10 Feb - Wed, 17 Feb

22:00 - 13:00PHL Philadelphia-SEN London Southend

10h 00m1 stop Paris Charles de Gaulle

07:25 - 16:10SEN London Southend-PHL Philadelphia

13h 45m1 stop Paris Charles de Gaulle

£925Multiple Airlines

Wed, 12 May - Sun, 16 May

21:15 - 14:45PHL Philadelphia-SEN London Southend

12h 30m1 stop Amsterdam Schiphol

07:15 - 15:35SEN London Southend-PHL Philadelphia

13h 20m1 stop Amsterdam Schiphol

£932Multiple Airlines

Sun, 7 Feb - Sat, 13 Feb

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Use the filters below to find and compare flights from Philadelphia to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Tue 26/1

09:15-19:20

3 stops29h 05m

London Southend

Sun 31/1

07:05-22:36

3 stops20h 31m

£665

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 6/12

17:40-14:50

2 stops16h 10m

London Southend

Tue 15/12

07:35-22:36

2 stops20h 01m

£768

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 6/12

21:15-14:50

1 stop12h 35m

London Southend

Tue 15/12

07:35-15:25

1 stop12h 50m

£816

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 6/12

21:15-14:50

1 stop12h 35m

London Southend

Tue 15/12

07:35-15:25

1 stop12h 50m

£818

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 6/12

21:15-14:50

1 stop12h 35m

London Southend

Tue 15/12

07:35-15:25

1 stop12h 50m

£819

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 6/12

17:40-14:50

2 stops16h 10m

London Southend

Tue 15/12

07:35-22:36

2 stops20h 01m

£827

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 10/2

21:15-16:40

1 stop14h 25m

London Southend

Wed 17/2

07:10-16:10

1 stop14h 00m

£828

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 10/2

21:15-16:40

1 stop14h 25m

London Southend

Wed 17/2

07:10-16:10

1 stop14h 00m

£834

Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 12/5

22:00-13:00

1 stop10h 00m

London Southend

Sun 16/5

07:25-16:10

1 stop13h 45m

£925

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 7/2

21:15-14:45

1 stop12h 30m

London Southend

Sat 13/2

07:15-15:35

1 stop13h 20m

£932

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from Philadelphia to London Southend Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to London Southend Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Philadelphia to London Southend Airport (PHL to SEN) flight deals and tips

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

Best price found	£286
Fastest flight time	10h 00m
Direct flights	None

The best one-way flight to London Southend Airport from Philadelphia in the past 72 hours is £286. The best return flight deal from Philadelphia to London Southend Airport found on momondo in the last 72 hours is £665.

The fastest flight from Philadelphia to London Southend Airport takes 10h 00m

There are no direct flights from Philadelphia to London Southend Airport. There are no popular flight routes from Philadelphia to London Southend Airport.

Search flight deals

Frequently asked questions about flying from Philadelphia to London Southend Airport

How far is Philadelphia to London Southend by plane?
There are 3570.8 mi between Philadelphia and London Southend. Flights usually cover this in 10h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Philadelphia Airport to London Southend Airport?
Prices for flights from Philadelphia Airport to London Southend Airport are updated daily.
How old do you have to be to fly from Philadelphia Airport 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 Philadelphia Airport to London Southend Airport.
What documentation or ID do you need to fly to London Southend Airport?
The travel and health documents required for your trip to London Southend Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Southend Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Philadelphia to London Southend Airport

How do I get Price Alerts for flights from Philadelphia to London Southend Airport?
Confirm your travel details to search for the latest offers for flights from Philadelphia to London Southend Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Philadelphia to London Southend Airport with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Ipswich

Slough

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Colchester

Chichester

Hayes

Bedford

Guildford

Harlow

Winchester

Why use momondo?

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

It is quick and easy to find Philadelphia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

All flight searches from Philadelphia to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Philadelphia to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Philadelphia 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.