Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Pennsylvania to London from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 8/2. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Pennsylvania to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:40 am - 6:30 pm
JFK
-
STN
12h 50m
1 stop
Multiple Airlines Logo
10:00 am - 5:45 pm
STN
-
JFK
12h 45m
1 stop
$638Multiple Airlines
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
11:10 pm - 11:20 pm
JFK
-
STN
19h 10m
2 stops
Multiple Airlines Logo
6:35 am - 10:05 pm
STN
-
JFK
20h 30m
2 stops
$641Multiple Airlines
Mon, Aug 31 - Sun, Sep 6
Multiple Airlines Logo
8:30 pm - 11:20 pm
JFK
-
STN
21h 50m
2 stops
Multiple Airlines Logo
6:30 am - 10:05 pm
STN
-
JFK
20h 35m
2 stops
$643Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
Multiple Airlines Logo
8:30 pm - 2:35 pm
JFK
-
STN
13h 05m
2 stops
Multiple Airlines Logo
6:30 am - 7:20 pm
STN
-
JFK
17h 50m
2 stops
$644Multiple Airlines
Thu, Sep 3 - Thu, Sep 10
Multiple Airlines Logo
12:40 am - 8:20 pm
JFK
-
STN
14h 40m
1 stop
Multiple Airlines Logo
8:20 am - 10:55 pm
STN
-
JFK
19h 35m
1 stop
$645Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
12:30 am - 11:20 pm
JFK
-
STN
17h 50m
1 stop
Multiple Airlines Logo
7:55 pm - 8:05 pm
STN
-
JFK
29h 10m
2 stops
$646Multiple Airlines
Mon, Oct 12 - Sat, Oct 24
Multiple Airlines Logo
12:30 am - 7:55 am
JFK
-
STN
26h 25m
1 stop
Multiple Airlines Logo
6:35 pm - 7:10 pm
STN
-
JFK
29h 35m
2 stops
$647Multiple Airlines
Sun, Aug 2 - Fri, Sep 11
Multiple Airlines Logo
11:10 pm - 7:20 pm
JFK
-
STN
15h 10m
2 stops
Multiple Airlines Logo
11:10 am - 10:05 pm
STN
-
JFK
15h 55m
2 stops
$650Multiple Airlines
Fri, Sep 4 - Sat, Sep 12
Turkish Airlines Logo
1:20 pm - 4:50 pm
IAD
-
STN
22h 30m
1 stop
Turkish Airlines Logo
5:35 pm - 11:35 am
STN
-
IAD
23h 00m
1 stop
$791Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Turkish Airlines Logo
1:20 pm - 4:40 pm
IAD
-
STN
22h 20m
1 stop
Turkish Airlines Logo
5:35 pm - 7:50 pm
STN
-
IAD
31h 15m
1 stop
$807Turkish Airlines
Thu, Oct 8 - Tue, Oct 13

Turkish Airlines flights from Pennsylvania to London Stansted Airport

Our best Turkish Airlines deals on Pennsylvania to London Stansted Airport flight tickets
Turkish Airlines
Sep 8
IAD1:20 pmWashington, D.C. Dulles Intl
22h 30m
1 stop
STN4:50 pmLondon Stansted
Sep 15
STN5:35 pmLondon Stansted
23h 00m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$791
Turkish Airlines
Oct 8
IAD1:20 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
STN4:40 pmLondon Stansted
Oct 13
STN5:35 pmLondon Stansted
31h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$807
Turkish Airlines
Jul 30
IAD1:20 pmWashington, D.C. Dulles Intl
15h 35m
1 stop
STN9:55 amLondon Stansted
Sep 9
STN6:55 amLondon Stansted
17h 55m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$808

Royal Air Maroc flights from Pennsylvania to London Stansted Airport

Our best Royal Air Maroc deals on Pennsylvania to London Stansted Airport flight tickets
Royal Air Maroc
Oct 2
IAD9:00 pmWashington, D.C. Dulles Intl
28h 20m
1 stop
STN6:20 amLondon Stansted
Oct 9
STN7:25 amLondon Stansted
16h 35m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$821
Royal Air Maroc
Oct 7
IAD9:00 pmWashington, D.C. Dulles Intl
28h 20m
1 stop
STN6:20 amLondon Stansted
Oct 11
STN7:25 amLondon Stansted
16h 35m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$847
Royal Air Maroc
Sep 30
IAD9:00 pmWashington, D.C. Dulles Intl
28h 20m
1 stop
STN6:20 amLondon Stansted
Oct 11
STN7:25 amLondon Stansted
16h 35m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$848

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to London Stansted 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 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Pennsylvania to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Mon 9/7

12:40 am-6:30 pm

1 stop12h 50m

London Stansted

Thu 9/17

10:00 am-5:45 pm

1 stop12h 45m

$638

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Mon 8/31

11:10 pm-11:20 pm

2 stops19h 10m

London Stansted

Sun 9/6

6:35 am-10:05 pm

2 stops20h 30m

$641

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 9/3

8:30 pm-11:20 pm

2 stops21h 50m

London Stansted

Tue 9/8

6:30 am-10:05 pm

2 stops20h 35m

$643

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 9/3

8:30 pm-2:35 pm

2 stops13h 05m

London Stansted

Thu 9/10

6:30 am-7:20 pm

2 stops17h 50m

$644

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 9/16

12:40 am-8:20 pm

1 stop14h 40m

London Stansted

Wed 9/23

8:20 am-10:55 pm

1 stop19h 35m

$645

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Mon 10/12

12:30 am-11:20 pm

1 stop17h 50m

London Stansted

Sat 10/24

7:55 pm-8:05 pm

2 stops29h 10m

$646

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sun 8/2

12:30 am-7:55 am

1 stop26h 25m

London Stansted

Fri 9/11

6:35 pm-7:10 pm

2 stops29h 35m

$647

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Fri 9/4

11:10 pm-7:20 pm

2 stops15h 10m

London Stansted

Sat 9/12

11:10 am-10:05 pm

2 stops15h 55m

$650

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 9/8

1:20 pm-4:50 pm

1 stop22h 30m

London Stansted

Tue 9/15

5:35 pm-11:35 am

1 stop23h 00m

$791

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 10/8

1:20 pm-4:40 pm

1 stop22h 20m

London Stansted

Tue 10/13

5:35 pm-7:50 pm

1 stop31h 15m

$807

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Pennsylvania to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Pennsylvania to London Stansted?

Turkish Airlines is the most popular carrier operating from Pennsylvania to London Stansted

Cheap Pennsylvania to London Stansted Airport flight deals and tips

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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Pennsylvania to London Stansted Airport takes 9h 15m
There are no direct flights from Pennsylvania to London Stansted Airport. There are no popular flight routes from Pennsylvania to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from Pennsylvania to London Stansted Airport

  • When did momondo last update prices for flights from Pennsylvania to London Stansted Airport?

    Prices for flights from Pennsylvania to London Stansted Airport refresh daily.

  • How old do you have to be to fly from Pennsylvania to London Stansted Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Wembley
Slough
Stansted
Watford
Croydon
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow
Uxbridge
Guildford

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to London?

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

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

Yes. momondo allows you to filter the results for Pennsylvania to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Pennsylvania to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to London.

I’m not ready to book a flight from Pennsylvania to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Pennsylvania 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 Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/9
Tue 6/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $546
Flights to London Gatwick Airportfrom $448
Flights to London City Airportfrom $660
Flights to London Luton Airportfrom $503
Flights to Glasgow Intl Airportfrom $560
Flights to Belfast Intl Airportfrom $688
Flights to London Southend Airportfrom $641
Flights to Belfast City Airportfrom $688