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.

£247 Cheap Flights from Philadelphia to London Southend Airport in 2026

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Find the cheapest flights from Philadelphia to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:35 - 14:50

PHL

SEN

17h 15m

2 stops

07:35 - 22:44

SEN

PHL

19h 09m

2 stops

£627Multiple Airlines

Sun, 1 Mar - Tue, 10 Mar

15:30 - 21:00

PHL

SEN

25h 30m

2 stops

07:10 - 22:44

SEN

PHL

19h 34m

3 stops

£686Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

15:25 - 10:25

PHL

SEN

14h 00m

2 stops

10:10 - 21:33

SEN

PHL

16h 23m

2 stops

£795Multiple Airlines

Sat, 9 May - Thu, 14 May

15:30 - 10:30

PHL

SEN

14h 00m

2 stops

17:15 - 18:55

SEN

PHL

30h 40m

2 stops

£862Multiple Airlines

Sun, 26 Apr - Thu, 7 May

15:25 - 13:40

PHL

SEN

17h 15m

2 stops

16:50 - 18:55

SEN

PHL

31h 05m

3 stops

£902Multiple Airlines

Thu, 18 Jun - Sat, 20 Jun

06:00 - 13:40

PHL

SEN

26h 40m

3 stops

16:50 - 18:55

SEN

PHL

31h 05m

3 stops

£908Multiple Airlines

Thu, 18 Jun - Sat, 20 Jun

15:30 - 10:30

PHL

SEN

14h 00m

2 stops

19:50 - 18:55

SEN

PHL

28h 05m

3 stops

£940Multiple Airlines

Sun, 19 Apr - Sat, 25 Apr

15:30 - 19:20

PHL

SEN

23h 50m

2 stops

07:30 - 22:44

SEN

PHL

20h 14m

3 stops

£958Multiple Airlines

Fri, 27 Mar - Mon, 30 Mar

10:35 - 22:50

PHL

SEN

31h 15m

3 stops

11:00 - 18:55

SEN

PHL

36h 55m

3 stops

£981Multiple Airlines

Fri, 31 Jul - Sun, 9 Aug

15:30 - 09:25

PHL

SEN

13h 55m

2 stops

07:25 - 18:55

SEN

PHL

16h 30m

2 stops

£1,311Multiple Airlines

Sat, 28 Mar - Sun, 5 Apr

momondo Fare Finder

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

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sun 1/3

16:35-14:50

2 stops17h 15m

London Southend

Tue 10/3

07:35-22:44

2 stops19h 09m

£627

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Wed 11/3

15:30-21:00

2 stops25h 30m

London Southend

Wed 18/3

07:10-22:44

3 stops19h 34m

£686

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sat 9/5

15:25-10:25

2 stops14h 00m

London Southend

Thu 14/5

10:10-21:33

2 stops16h 23m

£795

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sun 26/4

15:30-10:30

2 stops14h 00m

London Southend

Thu 7/5

17:15-18:55

2 stops30h 40m

£862

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 18/6

15:25-13:40

2 stops17h 15m

London Southend

Sat 20/6

16:50-18:55

3 stops31h 05m

£902

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 18/6

06:00-13:40

3 stops26h 40m

London Southend

Sat 20/6

16:50-18:55

3 stops31h 05m

£908

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sun 19/4

15:30-10:30

2 stops14h 00m

London Southend

Sat 25/4

19:50-18:55

3 stops28h 05m

£940

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Fri 27/3

15:30-19:20

2 stops23h 50m

London Southend

Mon 30/3

07:30-22:44

3 stops20h 14m

£958

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Fri 31/7

10:35-22:50

3 stops31h 15m

London Southend

Sun 9/8

11:00-18:55

3 stops36h 55m

£981

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sat 28/3

15:30-09:25

2 stops13h 55m

London Southend

Sun 5/4

07:25-18:55

2 stops16h 30m

£1,311

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

Fastest flight time	14h 00m
Direct flights	None

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

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 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.

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

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Wembley

Dover

Folkestone

Colchester

Bedford

Worthing

Ramsgate

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.