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.

£340 Cheap Flights from Philadelphia to London Southend Airport in 2026

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0 bags

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Find the cheapest flights from Philadelphia to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 19:35

PHL

SEN

32h 35m

3 stops

07:25 - 22:43

SEN

PHL

20h 18m

3 stops

£847Multiple Airlines

Thu, 4 Jun - Sun, 7 Jun

10:05 - 16:40

PHL

SEN

25h 35m

3 stops

20:05 - 22:43

SEN

PHL

31h 38m

3 stops

£853Multiple Airlines

Wed, 3 Jun - Mon, 8 Jun

16:20 - 14:00

PHL

SEN

16h 40m

3 stops

07:30 - 18:55

SEN

PHL

40h 25m

3 stops

£854Multiple Airlines

Thu, 8 Oct - Mon, 12 Oct

06:00 - 19:35

PHL

SEN

32h 35m

3 stops

20:05 - 22:43

SEN

PHL

31h 38m

3 stops

£875Multiple Airlines

Thu, 4 Jun - Mon, 8 Jun

06:00 - 19:35

PHL

SEN

32h 35m

3 stops

20:15 - 22:43

SEN

PHL

31h 28m

3 stops

£883Multiple Airlines

Thu, 4 Jun - Wed, 10 Jun

15:25 - 14:00

PHL

SEN

17h 35m

2 stops

08:25 - 18:55

SEN

PHL

39h 30m

3 stops

£887Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

10:05 - 14:00

PHL

SEN

22h 55m

3 stops

08:25 - 18:55

SEN

PHL

39h 30m

3 stops

£895Multiple Airlines

Thu, 17 Sep - Wed, 30 Sep

15:25 - 23:20

PHL

SEN

26h 55m

3 stops

09:25 - 16:05

SEN

PHL

35h 40m

2 stops

£911Multiple Airlines

Sat, 27 Jun - Sat, 4 Jul

10:05 - 19:35

PHL

SEN

28h 30m

3 stops

07:25 - 19:48

SEN

PHL

17h 23m

2 stops

£921Multiple Airlines

Sat, 23 May - Sun, 7 Jun

10:05 - 19:35

PHL

SEN

28h 30m

3 stops

16:50 - 18:55

SEN

PHL

31h 05m

2 stops

£946Multiple Airlines

Thu, 17 Sep - Sat, 26 Sep

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

Cheapest return flight

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 4/6

06:00-19:35

3 stops32h 35m

London Southend

Sun 7/6

07:25-22:43

3 stops20h 18m

£847

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Wed 3/6

10:05-16:40

3 stops25h 35m

London Southend

Mon 8/6

20:05-22:43

3 stops31h 38m

£853

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 8/10

16:20-14:00

3 stops16h 40m

London Southend

Mon 12/10

07:30-18:55

3 stops40h 25m

£854

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 4/6

06:00-19:35

3 stops32h 35m

London Southend

Mon 8/6

20:05-22:43

3 stops31h 38m

£875

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 4/6

06:00-19:35

3 stops32h 35m

London Southend

Wed 10/6

20:15-22:43

3 stops31h 28m

£883

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 17/9

15:25-14:00

2 stops17h 35m

London Southend

Wed 30/9

08:25-18:55

3 stops39h 30m

£887

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 17/9

10:05-14:00

3 stops22h 55m

London Southend

Wed 30/9

08:25-18:55

3 stops39h 30m

£895

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sat 27/6

15:25-23:20

3 stops26h 55m

London Southend

Sat 4/7

09:25-16:05

2 stops35h 40m

£911

Fastest return journey

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sat 23/5

10:05-19:35

3 stops28h 30m

London Southend

Sun 7/6

07:25-19:48

2 stops17h 23m

£921

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 17/9

10:05-19:35

3 stops28h 30m

London Southend

Sat 26/9

16:50-18:55

2 stops31h 05m

£946

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	15h 40m
Direct flights	None

The fastest flight from Philadelphia to London Southend Airport takes 15h 40m

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 15h 40m, 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

Milton Keynes

Luton

Gatwick

Wembley

Slough

Maidstone

Ipswich

Southend-on-Sea

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Dover

Bedford

Chichester

Harlow

Colchester

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.