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.

£330 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.

15:20 - 23:15PHL Philadelphia-SEN London Southend

26h 55m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Palma de Mallorca Son Sant Joan

16:20 - 16:05SEN London Southend-PHL Philadelphia

28h 45m3 stops Palma de Mallorca Son Sant Joan Zurich Frankfurt am Main

£670Multiple Airlines

Thu, 5 Nov - Mon, 9 Nov

17:05 - 18:35PHL Philadelphia-SEN London Southend

20h 30m2 stops Toronto Pearson Intl Paris Charles de Gaulle

07:10 - 22:56SEN London Southend-PHL Philadelphia

20h 46m3 stops Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£838Multiple Airlines

Wed, 9 Dec - Wed, 16 Dec

15:25 - 21:25PHL Philadelphia-SEN London Southend

25h 00m3 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss Berlin Brandenburg

11:00 - 16:05SEN London Southend-PHL Philadelphia

34h 05m2 stops Berlin Brandenburg Frankfurt am Main

£842Multiple Airlines

Wed, 14 Oct - Sun, 18 Oct

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

18h 35m2 stops Toronto Pearson Intl Amsterdam Schiphol

19:25 - 16:21SEN London Southend-PHL Philadelphia

25h 56m3 stops Amsterdam Schiphol Frankfurt am Main Toronto Pearson Intl

£849Multiple Airlines

Wed, 18 Nov - Fri, 27 Nov

15:25 - 21:25PHL Philadelphia-SEN London Southend

25h 00m3 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss Berlin Brandenburg

11:00 - 16:05SEN London Southend-PHL Philadelphia

34h 05m2 stops Berlin Brandenburg Frankfurt am Main

£903Multiple Airlines

Wed, 14 Oct - Sun, 18 Oct

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

16h 45m3 stops Toronto Pearson Intl Munich Franz Josef Strauss Amsterdam Schiphol

14:30 - 16:05SEN London Southend-PHL Philadelphia

30h 35m2 stops Marrakech Menara Frankfurt am Main

£997Multiple Airlines

Sun, 27 Dec - Sat, 9 Jan

15:20 - 14:35PHL Philadelphia-SEN London Southend

18h 15m2 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle

15:40 - 16:10SEN London Southend-PHL Philadelphia

29h 30m2 stops Paris Charles de Gaulle Dublin

£1,169Multiple Airlines

Sun, 22 Nov - Thu, 26 Nov

17:40 - 14:35PHL Philadelphia-SEN London Southend

15h 55m2 stops Dublin Paris Charles de Gaulle

15:40 - 16:10SEN London Southend-PHL Philadelphia

29h 30m2 stops Paris Charles de Gaulle Dublin

£1,185Multiple Airlines

Sun, 22 Nov - Thu, 26 Nov

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

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

16:50 - 17:10SEN London Southend-PHL Philadelphia

29h 20m2 stops Barcelona-El Prat Dublin

£1,461Multiple Airlines

Mon, 19 Oct - Sat, 24 Oct

20:25 - 21:45PHL Philadelphia-SEN London Southend

20h 20m2 stops Dublin Barcelona-El Prat

06:30 - 22:45SEN London Southend-PHL Philadelphia

21h 15m3 stops Barcelona-El Prat Dublin Boston Logan Intl

£1,717Multiple Airlines

Fri, 9 Oct - Tue, 13 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

Thu 5/11

15:20-23:15

3 stops26h 55m

London Southend

Mon 9/11

16:20-16:05

3 stops28h 45m

£670

Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 9/12

17:05-18:35

2 stops20h 30m

London Southend

Wed 16/12

07:10-22:56

3 stops20h 46m

£838

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 14/10

15:25-21:25

3 stops25h 00m

London Southend

Sun 18/10

11:00-16:05

2 stops34h 05m

£842

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 18/11

17:05-16:40

2 stops18h 35m

London Southend

Fri 27/11

19:25-16:21

3 stops25h 56m

£849

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Wed 14/10

15:25-21:25

3 stops25h 00m

London Southend

Sun 18/10

11:00-16:05

2 stops34h 05m

£903

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 27/12

17:05-14:50

3 stops16h 45m

London Southend

Sat 9/1

14:30-16:05

2 stops30h 35m

£997

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 22/11

15:20-14:35

2 stops18h 15m

London Southend

Thu 26/11

15:40-16:10

2 stops29h 30m

£1,169

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Sun 22/11

17:40-14:35

2 stops15h 55m

London Southend

Thu 26/11

15:40-16:10

2 stops29h 30m

£1,185

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Mon 19/10

15:25-11:20

2 stops14h 55m

London Southend

Sat 24/10

16:50-17:10

2 stops29h 20m

£1,461

PhiladelphiaLondon

PHL Philadelphia - SEN London Southend

PHLSEN

Philadelphia

Fri 9/10

20:25-21:45

2 stops20h 20m

London Southend

Tue 13/10

06:30-22:45

3 stops21h 15m

£1,717

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	£330
Fastest flight time	25h 00m
Direct flights	None

The best one-way flight to London Southend Airport from Philadelphia in the past 72 hours is £330. The best return flight deal from Philadelphia to London Southend Airport found on momondo in the last 72 hours is £670.

The fastest flight from Philadelphia to London Southend Airport takes 25h 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 25h 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

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Colchester

Guildford

Harlow

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.