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.

£324 Cheap Flights from Philadelphia to London Southend Airport in 2026

Find the cheapest flights from Philadelphia to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:05 - 16:40PHL Philadelphia-SEN London Southend

18h 35m2 stops Toronto Pearson Intl Amsterdam Schiphol

08:15 - 22:56SEN London Southend-PHL Philadelphia

19h 41m2 stops Amsterdam Schiphol Toronto Pearson Intl

£717Multiple Airlines

Wed, 2 Dec - Tue, 8 Dec

17:05 - 16:40PHL Philadelphia-SEN London Southend

18h 35m2 stops Toronto Pearson Intl Amsterdam Schiphol

08:15 - 22:56SEN London Southend-PHL Philadelphia

19h 41m3 stops Amsterdam Schiphol Frankfurt am Main Toronto Pearson Intl

£720Multiple Airlines

Wed, 2 Dec - Tue, 8 Dec

17:05 - 16:40PHL Philadelphia-SEN London Southend

18h 35m2 stops Toronto Pearson Intl Amsterdam Schiphol

08:15 - 22:56SEN London Southend-PHL Philadelphia

19h 41m2 stops Amsterdam Schiphol Toronto Pearson Intl

£729Multiple Airlines

Wed, 2 Dec - Tue, 8 Dec

17:05 - 16:40PHL Philadelphia-SEN London Southend

18h 35m2 stops Toronto Pearson Intl Amsterdam Schiphol

08:15 - 22:56SEN London Southend-PHL Philadelphia

19h 41m3 stops Amsterdam Schiphol Frankfurt am Main Toronto Pearson Intl

£729Multiple Airlines

Wed, 2 Dec - Tue, 8 Dec

15:25 - 14:00PHL Philadelphia-SEN London Southend

17h 35m2 stops Montreal Pierre Elliott Trudeau Intl Geneva Geneve-Cointrin

07:50 - 22:46SEN London Southend-PHL Philadelphia

19h 56m3 stops Geneva Geneve-Cointrin Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£737Multiple Airlines

Thu, 8 Oct - Mon, 12 Oct

17:05 - 14:50PHL Philadelphia-SEN London Southend

16h 45m2 stops Toronto Pearson Intl Amsterdam Schiphol

07:15 - 22:56SEN London Southend-PHL Philadelphia

20h 41m2 stops Amsterdam Schiphol Toronto Pearson Intl

£793Multiple Airlines

Sun, 15 Nov - Sat, 21 Nov

17:05 - 14:50PHL Philadelphia-SEN London Southend

16h 45m2 stops Toronto Pearson Intl Amsterdam Schiphol

07:15 - 22:56SEN London Southend-PHL Philadelphia

20h 41m3 stops Amsterdam Schiphol Frankfurt am Main Toronto Pearson Intl

£800Multiple Airlines

Sun, 15 Nov - Sat, 21 Nov

09:15 - 19:35PHL Philadelphia-SEN London Southend

30h 20m2 stops Toronto Pearson Intl Amsterdam Schiphol

07:15 - 22:56SEN London Southend-PHL Philadelphia

20h 41m2 stops Amsterdam Schiphol Toronto Pearson Intl

£817Multiple Airlines

Sat, 31 Oct - Sat, 14 Nov

17:05 - 19:35PHL Philadelphia-SEN London Southend

22h 30m2 stops Toronto Pearson Intl Amsterdam Schiphol

07:15 - 22:56SEN London Southend-PHL Philadelphia

20h 41m3 stops Amsterdam Schiphol Frankfurt am Main Toronto Pearson Intl

£820Multiple Airlines

Sat, 31 Oct - Sat, 14 Nov

15:25 - 11:20PHL Philadelphia-SEN London Southend

14h 55m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

06:30 - 18:55SEN London Southend-PHL Philadelphia

17h 25m2 stops Malaga Dublin

£823Multiple Airlines

Mon, 19 Oct - Thu, 22 Oct

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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

Wed 2/12

17:05-16:40

2 stops18h 35m

London Southend

Tue 8/12

08:15-22:56

2 stops19h 41m

£717

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 2/12

17:05-16:40

2 stops18h 35m

London Southend

Tue 8/12

08:15-22:56

3 stops19h 41m

£720

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 2/12

17:05-16:40

2 stops18h 35m

London Southend

Tue 8/12

08:15-22:56

2 stops19h 41m

£729

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 2/12

17:05-16:40

2 stops18h 35m

London Southend

Tue 8/12

08:15-22:56

3 stops19h 41m

£729

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Thu 8/10

15:25-14:00

2 stops17h 35m

London Southend

Mon 12/10

07:50-22:46

3 stops19h 56m

£737

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 15/11

17:05-14:50

2 stops16h 45m

London Southend

Sat 21/11

07:15-22:56

2 stops20h 41m

£793

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 15/11

17:05-14:50

2 stops16h 45m

London Southend

Sat 21/11

07:15-22:56

3 stops20h 41m

£800

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sat 31/10

09:15-19:35

2 stops30h 20m

London Southend

Sat 14/11

07:15-22:56

2 stops20h 41m

£817

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sat 31/10

17:05-19:35

2 stops22h 30m

London Southend

Sat 14/11

07:15-22:56

3 stops20h 41m

£820

Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Mon 19/10

15:25-11:20

2 stops14h 55m

London Southend

Thu 22/10

06:30-18:55

2 stops17h 25m

£823

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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

Fastest flight time	14h 20m
Direct flights	None

The fastest flight from Philadelphia to London Southend Airport takes 14h 20m

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 14h 20m, 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

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Ilford

Hastings

Canterbury

Chichester

Hayes

Guildford

Bedford

Harlow

Colchester

Chelmsford

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.