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.

£228 Cheap Flights from Philadelphia to London Stansted Airport in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:54 - 00:30

PHL

STN

32h 36m

3 stops

05:55 - 23:45

STN

PHL

46h 50m

3 stops

£575Multiple Airlines

Thu, 30 Apr - Mon, 4 May

20:25 - 11:35

PHL

STN

10h 10m

1 stop

06:40 - 18:55

STN

PHL

17h 15m

2 stops

£597Multiple Airlines

Wed, 30 Sep - Tue, 13 Oct

20:25 - 11:35

PHL

STN

10h 10m

1 stop

19:55 - 18:55

STN

PHL

28h 00m

2 stops

£600Multiple Airlines

Wed, 30 Sep - Sat, 10 Oct

07:30 - 23:50

PHL

STN

35h 20m

3 stops

15:55 - 23:32

STN

PHL

36h 37m

3 stops

£604Multiple Airlines

Sun, 3 May - Tue, 12 May

20:25 - 12:45

PHL

STN

11h 20m

1 stop

06:40 - 18:55

STN

PHL

17h 15m

2 stops

£609Multiple Airlines

Tue, 29 Sep - Tue, 13 Oct

08:00 - 19:55

PHL

STN

30h 55m

3 stops

07:35 - 23:45

STN

PHL

45h 10m

3 stops

£621Multiple Airlines

Sun, 26 Apr - Sun, 3 May

07:30 - 00:30

PHL

STN

36h 00m

3 stops

06:00 - 23:58

STN

PHL

46h 58m

3 stops

£623Multiple Airlines

Thu, 30 Apr - Thu, 7 May

20:25 - 12:50

PHL

STN

11h 25m

1 stop

06:30 - 18:55

STN

PHL

17h 25m

1 stop

£629Multiple Airlines

Mon, 14 Sep - Wed, 23 Sep

10:54 - 00:30

PHL

STN

32h 36m

3 stops

05:55 - 23:45

STN

PHL

46h 50m

3 stops

£631Multiple Airlines

Thu, 30 Apr - Mon, 4 May

20:25 - 19:35

PHL

STN

18h 10m

1 stop

06:30 - 18:55

STN

PHL

17h 25m

1 stop

£635Multiple Airlines

Tue, 29 Sep - Thu, 8 Oct

momondo Fare Finder

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 - STN

PHLSTN

Philadelphia

Thu 30/4

10:54-00:30

3 stops32h 36m

London Stansted

Mon 4/5

05:55-23:45

3 stops46h 50m

£575

Fastest return journey

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Wed 30/9

20:25-11:35

1 stop10h 10m

London Stansted

Tue 13/10

06:40-18:55

2 stops17h 15m

£597

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Wed 30/9

20:25-11:35

1 stop10h 10m

London Stansted

Sat 10/10

19:55-18:55

2 stops28h 00m

£600

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Sun 3/5

07:30-23:50

3 stops35h 20m

London Stansted

Tue 12/5

15:55-23:32

3 stops36h 37m

£604

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 29/9

20:25-12:45

1 stop11h 20m

London Stansted

Tue 13/10

06:40-18:55

2 stops17h 15m

£609

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Sun 26/4

08:00-19:55

3 stops30h 55m

London Stansted

Sun 3/5

07:35-23:45

3 stops45h 10m

£621

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Thu 30/4

07:30-00:30

3 stops36h 00m

London Stansted

Thu 7/5

06:00-23:58

3 stops46h 58m

£623

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Mon 14/9

20:25-12:50

1 stop11h 25m

London Stansted

Wed 23/9

06:30-18:55

1 stop17h 25m

£629

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Thu 30/4

10:54-00:30

3 stops32h 36m

London Stansted

Mon 4/5

05:55-23:45

3 stops46h 50m

£631

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 29/9

20:25-19:35

1 stop18h 10m

London Stansted

Thu 8/10

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

Fastest flight time	9h 20m
Direct flights	None

The fastest flight from Philadelphia to London Stansted Airport takes 9h 20m

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 20m 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

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Southend-on-Sea

Wembley

Ipswich

Canterbury

Ilford

Guildford

Hayes

Chelmsford

Dover

Folkestone

Ramsgate

Bedford

Chichester

Worthing

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.