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Cheap flights from Philadelphia to London from £209

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Multiple Airlines Logo
15:30 - 13:35PHL-SEN
17h 05m2 stops
Multiple Airlines Logo
07:10 - 22:56SEN-PHL
20h 46m2 stops
£584Multiple Airlines
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Multiple Airlines Logo
16:35 - 13:35PHL-SEN
16h 00m2 stops
Multiple Airlines Logo
07:10 - 22:56SEN-PHL
20h 46m3 stops
£589Multiple Airlines
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Multiple Airlines Logo
15:30 - 10:25PHL-SEN
13h 55m2 stops
Multiple Airlines Logo
07:15 - 22:56SEN-PHL
20h 41m3 stops
£617Multiple Airlines
Find Deal
Sun, 23 Nov - Mon, 1 Dec
Multiple Airlines Logo
15:30 - 13:35PHL-SEN
17h 05m2 stops
Multiple Airlines Logo
07:15 - 22:56SEN-PHL
20h 41m2 stops
£631Multiple Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Philadelphia to London Southend Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 18 September 2025.
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

Thu 13/11

15:30-13:35

2 stops17h 05m

London Southend

Wed 19/11

07:10-22:56

2 stops20h 46m

£584

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 13/11

16:35-13:35

2 stops16h 00m

London Southend

Wed 19/11

07:10-22:56

3 stops20h 46m

£589

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Sun 23/11

15:30-10:25

2 stops13h 55m

London Southend

Mon 1/12

07:15-22:56

3 stops20h 41m

£617

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 20/11

15:30-13:35

2 stops17h 05m

London Southend

Mon 24/11

07:15-22:56

2 stops20h 41m

£631

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 2/10

16:03-15:45

2 stops18h 42m

£209

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Wed 8/10

21:14-15:45

3 stops37h 31m

£232

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Wed 15/10

21:14-15:45

3 stops37h 31m

£234

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Thu 16/10

16:03-15:45

2 stops18h 42m

£245

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Wed 8/10

21:14-15:45

3 stops37h 31m

£248

PhiladelphiaLondon

PHL - SEN

PHLSEN

Philadelphia

Wed 15/10

05:33-20:50

3 stops34h 17m

£256

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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

Direct flights

None
There are no direct flights from Philadelphia to London Southend Airport. There are no popular flight routes from Philadelphia to London Southend Airport.
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  • How far is Philadelphia to London Southend by plane?

    There are 3570.8 mi between Philadelphia and London Southend. Flights usually cover this in 13h 55m, 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
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Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

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.

An easier way to manage your London Southend Airport trip

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Sat 18/10
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