How do I get Price Alerts for flights from Philadelphia to London Stansted Airport?

Confirm your travel details to search for the latest offers for flights from Philadelphia to London Stansted 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 Stansted Airport with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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 Stansted Airport?

Prices for flights from Philadelphia Airport to London Stansted Airport are updated daily.

How old do you have to be to fly from Philadelphia Airport to London Stansted 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 Stansted Airport.

What documentation or ID do you need to fly to London Stansted Airport?

The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£230 Cheap Flights from Philadelphia to London Stansted 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.

17:40 - 19:15PHL Philadelphia-STN London Stansted

20h 35m3 stops Frankfurt am Main Vienna Intl Tirana Rinas

16:05 - 16:05STN London Stansted-PHL Philadelphia

29h 00m2 stops Tirana Rinas Frankfurt am Main

£625Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

18:40 - 08:15PHL Philadelphia-STN London Stansted

9h 35m1 stop Dublin

06:45 - 16:10STN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

£626Multiple Airlines

Tue, 27 Oct - Thu, 5 Nov

18:40 - 08:15PHL Philadelphia-STN London Stansted

9h 35m1 stop Dublin

06:45 - 16:10STN London Stansted-PHL Philadelphia

14h 25m1 stop Dublin

£627Multiple Airlines

Tue, 27 Oct - Thu, 5 Nov

17:40 - 19:15PHL Philadelphia-STN London Stansted

20h 35m3 stops Frankfurt am Main Vienna Intl Tirana Rinas

16:05 - 16:05STN London Stansted-PHL Philadelphia

29h 00m2 stops Tirana Rinas Frankfurt am Main

£628Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

17:30 - 07:50PHL Philadelphia-STN London Stansted

9h 20m1 stop Dublin

17:45 - 16:00STN London Stansted-PHL Philadelphia

27h 15m2 stops Berlin Brandenburg Dublin

£628Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

20:25 - 14:15PHL Philadelphia-STN London Stansted

12h 50m1 stop Dublin

06:45 - 19:58STN London Stansted-PHL Philadelphia

17h 13m2 stops Dublin Chicago O'Hare Intl

£629Multiple Airlines

Fri, 23 Oct - Fri, 30 Oct

10:05 - 19:15PHL Philadelphia-STN London Stansted

28h 10m3 stops Montreal Pierre Elliott Trudeau Intl Zurich Sofia

18:40 - 21:32STN London Stansted-PHL Philadelphia

31h 52m3 stops Sofia Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

£630Multiple Airlines

Wed, 7 Oct - Tue, 13 Oct

20:25 - 11:35PHL Philadelphia-STN London Stansted

10h 10m1 stop Dublin

22:00 - 18:55STN London Stansted-PHL Philadelphia

25h 55m1 stop Dublin

£633Multiple Airlines

Wed, 7 Oct - Sun, 18 Oct

17:40 - 07:50PHL Philadelphia-STN London Stansted

9h 10m1 stop Dublin

07:45 - 16:10STN London Stansted-PHL Philadelphia

13h 25m1 stop Dublin

£634Multiple Airlines

Fri, 27 Nov - Fri, 4 Dec

20:25 - 22:00PHL Philadelphia-STN London Stansted

20h 35m2 stops Dublin Edinburgh Turnhouse

06:30 - 18:55STN London Stansted-PHL Philadelphia

17h 25m1 stop Dublin

£635Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:25 - 11:35PHL Philadelphia-STN London Stansted

15h 10m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:30 - 21:34STN London Stansted-PHL Philadelphia

20h 04m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£782Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

10:05 - 11:35PHL Philadelphia-STN London Stansted

20h 30m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

22:00 - 15:41STN London Stansted-PHL Philadelphia

22h 41m2 stops Dublin Toronto Pearson Intl

£786Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

20:25 - 17:35PHL Philadelphia-STN London Stansted

16h 10m1 stop Dublin

06:35 - 18:55STN London Stansted-PHL Philadelphia

17h 20m1 stop Dublin

£840Multiple Airlines

Fri, 28 Aug - Fri, 4 Sep

10:05 - 11:35PHL Philadelphia-STN London Stansted

20h 30m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:35 - 22:46STN London Stansted-PHL Philadelphia

21h 11m2 stops Dublin Toronto Pearson Intl

£848Multiple Airlines

Wed, 26 Aug - Sun, 30 Aug

15:25 - 11:35PHL Philadelphia-STN London Stansted

15h 10m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:35 - 21:34STN London Stansted-PHL Philadelphia

19h 59m3 stops Dublin Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

£862Multiple Airlines

Wed, 26 Aug - Sun, 30 Aug

20:25 - 17:35PHL Philadelphia-STN London Stansted

16h 10m1 stop Dublin

06:35 - 18:55STN London Stansted-PHL Philadelphia

17h 20m1 stop Dublin

£883Multiple Airlines

Fri, 28 Aug - Fri, 4 Sep

20:25 - 14:15PHL Philadelphia-STN London Stansted

12h 50m1 stop Dublin

22:05 - 23:55STN London Stansted-PHL Philadelphia

54h 50m2 stops Barcelona-El Prat Miami

£925Multiple Airlines

Fri, 28 Aug - Sun, 30 Aug

16:20 - 19:35PHL Philadelphia-STN London Stansted

22h 15m2 stops Toronto Pearson Intl Dublin

22:00 - 15:41STN London Stansted-PHL Philadelphia

22h 41m2 stops Dublin Toronto Pearson Intl

£967Multiple Airlines

Thu, 27 Aug - Thu, 3 Sep

10:05 - 14:15PHL Philadelphia-STN London Stansted

23h 10m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:35 - 22:46STN London Stansted-PHL Philadelphia

21h 11m2 stops Dublin Toronto Pearson Intl

£974Multiple Airlines

Fri, 28 Aug - Sun, 30 Aug

15:25 - 17:35PHL Philadelphia-STN London Stansted

21h 10m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:35 - 21:34STN London Stansted-PHL Philadelphia

19h 59m3 stops Dublin Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

£983Multiple Airlines

Fri, 28 Aug - Sun, 30 Aug

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Use the filters below to find and compare flights from Philadelphia to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Wed 7/10

17:40-19:15

3 stops20h 35m

London Stansted

Wed 14/10

16:05-16:05

2 stops29h 00m

£625

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Tue 27/10

18:40-08:15

1 stop9h 35m

London Stansted

Thu 5/11

06:45-16:10

1 stop14h 25m

£626

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Tue 27/10

18:40-08:15

1 stop9h 35m

London Stansted

Thu 5/11

06:45-16:10

1 stop14h 25m

£627

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Wed 7/10

17:40-19:15

3 stops20h 35m

London Stansted

Wed 14/10

16:05-16:05

2 stops29h 00m

£628

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Wed 2/12

17:30-07:50

1 stop9h 20m

London Stansted

Wed 9/12

17:45-16:00

2 stops27h 15m

£628

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Fri 23/10

20:25-14:15

1 stop12h 50m

London Stansted

Fri 30/10

06:45-19:58

2 stops17h 13m

£629

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Wed 7/10

10:05-19:15

3 stops28h 10m

London Stansted

Tue 13/10

18:40-21:32

3 stops31h 52m

£630

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Wed 7/10

20:25-11:35

1 stop10h 10m

London Stansted

Sun 18/10

22:00-18:55

1 stop25h 55m

£633

Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Fri 27/11

17:40-07:50

1 stop9h 10m

London Stansted

Fri 4/12

07:45-16:10

1 stop13h 25m

£634

PhiladelphiaLondon

PHL Philadelphia - STN London Stansted

PHLSTN

Philadelphia

Thu 10/9

20:25-22:00

2 stops20h 35m

London Stansted

Thu 17/9

06:30-18:55

1 stop17h 25m

£635

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 Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Philadelphia to London Stansted Airport (PHL to STN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to London Stansted Airport

Best price found	£230
Fastest flight time	9h 35m
Direct flights	None

The best one-way flight to London Stansted Airport from Philadelphia in the past 72 hours is £230. The best return flight deal from Philadelphia to London Stansted Airport found on momondo in the last 72 hours is £625.

The fastest flight from Philadelphia to London Stansted Airport takes 9h 35m

There are no direct flights from Philadelphia to London Stansted Airport. There are no popular flight routes from Philadelphia to London Stansted Airport.

Search flight deals

Frequently asked questions about flying from Philadelphia to London Stansted Airport

How far is Philadelphia to London Stansted by plane?
A flight from Philadelphia to London Stansted will travel around 3545.2 mi. 9h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to London Stansted Airport?
Prices for flights from Philadelphia Airport to London Stansted Airport are updated daily.
How old do you have to be to fly from Philadelphia Airport to London Stansted 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 Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Philadelphia to London Stansted Airport

How do I get Price Alerts for flights from Philadelphia to London Stansted Airport?
Confirm your travel details to search for the latest offers for flights from Philadelphia to London Stansted 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 Stansted Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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

Hastings

Ilford

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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to London. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

Yes. All flights to London from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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 offers price alerts on flights to London from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.