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Cheap flights from Pennsylvania to London from $221

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 8/27. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Pennsylvania to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 am - 7:40 am
JFK
-
STN
26h 10m
1 stop
Multiple Airlines Logo
8:00 am - 7:10 pm
STN
-
JFK
40h 10m
2 stops
$587Multiple Airlines
Mon, Sep 14 - Tue, Oct 6
Multiple Airlines Logo
8:30 pm - 10:55 pm
JFK
-
STN
21h 25m
2 stops
Multiple Airlines Logo
5:55 am - 7:20 pm
STN
-
JFK
18h 25m
2 stops
$589Multiple Airlines
Thu, Aug 20 - Sun, Aug 23
Multiple Airlines Logo
8:30 pm - 11:20 pm
JFK
-
STN
21h 50m
2 stops
Multiple Airlines Logo
6:35 am - 10:05 pm
STN
-
JFK
20h 30m
2 stops
$590Multiple Airlines
Sat, Aug 29 - Fri, Sep 4
Multiple Airlines Logo
11:10 pm - 11:20 pm
JFK
-
STN
19h 10m
2 stops
Multiple Airlines Logo
8:15 pm - 10:25 pm
STN
-
JFK
31h 10m
2 stops
$591Multiple Airlines
Wed, Aug 26 - Tue, Sep 8
Multiple Airlines Logo
10:05 pm - 9:30 pm
JFK
-
STN
18h 25m
2 stops
Multiple Airlines Logo
6:20 pm - 8:05 pm
STN
-
JFK
30h 45m
2 stops
$592Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
8:30 pm - 12:30 am
JFK
-
STN
23h 00m
2 stops
Multiple Airlines Logo
12:45 pm - 7:20 pm
STN
-
JFK
35h 35m
2 stops
$593Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
Multiple Airlines Logo
8:30 pm - 10:55 pm
JFK
-
STN
21h 25m
2 stops
Multiple Airlines Logo
5:55 am - 10:05 pm
STN
-
JFK
21h 10m
2 stops
$594Multiple Airlines
Thu, Aug 20 - Sun, Aug 30
Multiple Airlines Logo
8:30 pm - 11:20 pm
JFK
-
STN
21h 50m
2 stops
Multiple Airlines Logo
6:30 am - 7:20 pm
STN
-
JFK
17h 50m
2 stops
$595Multiple Airlines
Wed, Aug 19 - Thu, Aug 27
Multiple Airlines Logo
11:10 pm - 12:10 am
JFK
-
STN
20h 00m
2 stops
Multiple Airlines Logo
7:05 am - 7:20 pm
STN
-
JFK
17h 15m
2 stops
$596Multiple Airlines
Tue, Aug 25 - Sun, Aug 30
Multiple Airlines Logo
8:30 pm - 12:30 am
JFK
-
STN
23h 00m
2 stops
Multiple Airlines Logo
12:45 pm - 7:20 pm
STN
-
JFK
35h 35m
2 stops
$597Multiple Airlines
Thu, Sep 3 - Tue, Sep 8

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Turkish Airlines flights from Pennsylvania to London Stansted Airport

Our best Turkish Airlines deals on Pennsylvania to London Stansted Airport flight tickets
Turkish Airlines
Jul 22
JFK7:50 pmNew York John F Kennedy Intl
15h 50m
1 stop
STN4:40 pmLondon Stansted
Oct 9
STN10:50 amLondon Stansted
16h 40m
1 stop
JFK10:30 pmNew York John F Kennedy Intl
$776
Turkish Airlines
Oct 12
EWR12:25 amNewark
16h 45m
1 stop
STN10:10 pmLondon Stansted
Oct 27
STN5:20 pmLondon Stansted
34h 10m
1 stop
EWR11:30 pmNewark
$781
Turkish Airlines
Oct 4
EWR12:25 amNewark
16h 45m
1 stop
STN10:10 pmLondon Stansted
Nov 11
STN10:55 amLondon Stansted
16h 35m
1 stop
EWR10:30 pmNewark
$784

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 July 11, 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

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Mon 9/14

12:30 am-7:40 am

1 stop26h 10m

London Stansted

Tue 10/6

8:00 am-7:10 pm

2 stops40h 10m

$587

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 8/20

8:30 pm-10:55 pm

2 stops21h 25m

London Stansted

Sun 8/23

5:55 am-7:20 pm

2 stops18h 25m

$589

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sat 8/29

8:30 pm-11:20 pm

2 stops21h 50m

London Stansted

Fri 9/4

6:35 am-10:05 pm

2 stops20h 30m

$590

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 8/26

11:10 pm-11:20 pm

2 stops19h 10m

London Stansted

Tue 9/8

8:15 pm-10:25 pm

2 stops31h 10m

$591

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 9/16

10:05 pm-9:30 pm

2 stops18h 25m

London Stansted

Wed 9/23

6:20 pm-8:05 pm

2 stops30h 45m

$592

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 9/3

8:30 pm-12:30 am

2 stops23h 00m

London Stansted

Tue 9/8

12:45 pm-7:20 pm

2 stops35h 35m

$593

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 8/20

8:30 pm-10:55 pm

2 stops21h 25m

London Stansted

Sun 8/30

5:55 am-10:05 pm

2 stops21h 10m

$594

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 8/19

8:30 pm-11:20 pm

2 stops21h 50m

London Stansted

Thu 8/27

6:30 am-7:20 pm

2 stops17h 50m

$595
Quickest round-trip

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Tue 8/25

11:10 pm-12:10 am

2 stops20h 00m

London Stansted

Sun 8/30

7:05 am-7:20 pm

2 stops17h 15m

$596

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 9/3

8:30 pm-12:30 am

2 stops23h 00m

London Stansted

Tue 9/8

12:45 pm-7:20 pm

2 stops35h 35m

$597

Flights are sorted by cheapest round-trip flights first.

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

Lufthansa and Turkish Airlines are the most popular carriers 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
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Harrow
Slough
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford
Uxbridge

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.

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