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.

£248 Cheap Flights from Philadelphia to London Stansted Airport in 2026

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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.

10:45 - 21:20

PHL

STN

29h 35m

2 stops

06:30 - 14:49

STN

PHL

13h 19m

2 stops

£738Multiple Airlines

Tue, 7 Jul - Tue, 14 Jul

10:35 - 23:05

PHL

STN

31h 30m

2 stops

20:05 - 18:55

STN

PHL

27h 50m

3 stops

£739Multiple Airlines

Fri, 18 Sep - Mon, 28 Sep

10:05 - 22:40

PHL

STN

31h 35m

3 stops

20:50 - 22:44

STN

PHL

30h 54m

3 stops

£740Multiple Airlines

Tue, 16 Jun - Mon, 22 Jun

15:25 - 19:55

PHL

STN

23h 30m

3 stops

13:35 - 18:55

STN

PHL

34h 20m

2 stops

£740Multiple Airlines

Sun, 13 Sep - Tue, 22 Sep

20:25 - 19:20

PHL

STN

17h 55m

1 stop

06:35 - 18:55

STN

PHL

17h 20m

1 stop

£741Multiple Airlines

Fri, 10 Jul - Fri, 24 Jul

10:05 - 21:20

PHL

STN

30h 15m

3 stops

22:00 - 21:34

STN

PHL

28h 34m

3 stops

£742Multiple Airlines

Thu, 23 Jul - Sun, 9 Aug

10:05 - 19:30

PHL

STN

28h 25m

2 stops

06:30 - 14:49

STN

PHL

13h 19m

2 stops

£743Multiple Airlines

Wed, 8 Jul - Mon, 13 Jul

20:25 - 17:35

PHL

STN

16h 10m

1 stop

11:10 - 18:55

STN

PHL

12h 45m

1 stop

£743Multiple Airlines

Thu, 30 Jul - Mon, 10 Aug

20:25 - 19:20

PHL

STN

17h 55m

1 stop

08:30 - 18:55

STN

PHL

15h 25m

1 stop

£744Multiple Airlines

Fri, 9 Oct - Mon, 12 Oct

10:05 - 20:35

PHL

STN

29h 30m

3 stops

07:05 - 18:55

STN

PHL

16h 50m

2 stops

£745Multiple Airlines

Tue, 6 Oct - Tue, 13 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

Tue 7/7

10:45-21:20

2 stops29h 35m

London Stansted

Tue 14/7

06:30-14:49

2 stops13h 19m

£738

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Fri 18/9

10:35-23:05

2 stops31h 30m

London Stansted

Mon 28/9

20:05-18:55

3 stops27h 50m

£739

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 16/6

10:05-22:40

3 stops31h 35m

London Stansted

Mon 22/6

20:50-22:44

3 stops30h 54m

£740

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Sun 13/9

15:25-19:55

3 stops23h 30m

London Stansted

Tue 22/9

13:35-18:55

2 stops34h 20m

£740

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Fri 10/7

20:25-19:20

1 stop17h 55m

London Stansted

Fri 24/7

06:35-18:55

1 stop17h 20m

£741

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Thu 23/7

10:05-21:20

3 stops30h 15m

London Stansted

Sun 9/8

22:00-21:34

3 stops28h 34m

£742

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Wed 8/7

10:05-19:30

2 stops28h 25m

London Stansted

Mon 13/7

06:30-14:49

2 stops13h 19m

£742

Fastest return journey

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Thu 30/7

20:25-17:35

1 stop16h 10m

London Stansted

Mon 10/8

11:10-18:55

1 stop12h 45m

£743

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Fri 9/10

20:25-19:20

1 stop17h 55m

London Stansted

Mon 12/10

08:30-18:55

1 stop15h 25m

£744

PhiladelphiaLondon

PHL - STN

PHLSTN

Philadelphia

Tue 6/10

10:05-20:35

3 stops29h 30m

London Stansted

Tue 13/10

07:05-18:55

2 stops16h 50m

£745

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 45m
Direct flights	None

The fastest flight from Philadelphia to London Stansted Airport takes 9h 45m

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 45m 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

Gatwick

Luton

Wembley

Slough

Maidstone

Southend-on-Sea

Ipswich

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Bedford

Dover

Harlow

Chichester

Colchester

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.