Cheap flights from Pennsylvania to London from $144

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 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

American Airlines Logo
8:05 am - 8:00 pmJFK-LHR
6h 55mnonstop
American Airlines Logo
6:15 am - 1:15 pmLHR-JFK
12h 00m1 stop
$425American Airlines
Find Deal
Thu, Dec 11 - Fri, Dec 12
Norse Atlantic UK Logo
6:20 pm - 6:20 amJFK-LGW
7h 00mnonstop
Norse Atlantic UK Logo
1:00 pm - 4:50 pmLGW-JFK
7h 50mnonstop
$425Norse Atlantic UK
Find Deal
Tue, Oct 21 - Wed, Oct 29
TAP AIR PORTUGAL Logo
10:00 pm - 8:35 pmJFK-LGW
17h 35m2 stops
TAP AIR PORTUGAL Logo
10:40 am - 8:05 pmLGW-JFK
14h 25m1 stop
$426TAP AIR PORTUGAL
Find Deal
Mon, Nov 17 - Tue, Dec 2
Multiple Airlines Logo
9:10 pm - 9:05 pmJFK-STN
18h 55m1 stop
Multiple Airlines Logo
6:30 am - 4:50 pmSTN-JFK
15h 20m1 stop
$426Multiple Airlines
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Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
5:00 pm - 9:45 amJFK-LGW
11h 45m1 stop
Multiple Airlines Logo
1:20 pm - 7:25 pmLGW-JFK
11h 05m1 stop
$427Multiple Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
TAP AIR PORTUGAL Logo
10:00 pm - 3:05 pmJFK-LGW
12h 05m1 stop
TAP AIR PORTUGAL Logo
10:40 am - 8:05 pmLGW-JFK
14h 25m1 stop
$429TAP AIR PORTUGAL
Find Deal
Wed, Nov 12 - Tue, Nov 25
LEVEL Logo
11:45 pm - 6:00 pmJFK-LHR
13h 15m1 stop
LEVEL Logo
6:50 pm - 10:00 pmLHR-JFK
32h 10m1 stop
$429LEVEL
Find Deal
Wed, Jan 28 - Sun, Feb 1
Virgin Atlantic Logo
8:10 am - 8:00 pmJFK-LHR
6h 50mnonstop
Virgin Atlantic Logo
8:00 pm - 11:55 pmLHR-JFK
7h 55mnonstop
$436Virgin Atlantic
Find Deal
Thu, Oct 23 - Mon, Oct 27
LEVEL Logo
11:45 pm - 6:00 pmJFK-LHR
14h 15m1 stop
LEVEL Logo
9:55 am - 10:00 pmLHR-JFK
16h 05m1 stop
$442LEVEL
Find Deal
Wed, Mar 11 - Wed, Mar 25
Virgin Atlantic Logo
2:40 pm - 6:45 amJFK-LHR
11h 05m1 stop
Virgin Atlantic Logo
8:00 pm - 11:55 pmLHR-JFK
7h 55mnonstop
$447Virgin Atlantic
Find Deal
Thu, Oct 23 - Mon, Oct 27

American Airlines flights from Pennsylvania to London

Our best American Airlines deals on Pennsylvania to London flight tickets
American Airlines
Dec 11
JFK8:05 amNew York John F Kennedy Intl
6h 55m
LHR8:00 pmLondon Heathrow
Dec 12
LHR6:15 amLondon Heathrow
12h 00m
1 stop
JFK1:15 pmNew York John F Kennedy Intl
American Airlines
Sep 19
JFK5:30 pmNew York John F Kennedy Intl
11h 00m
1 stop
LHR9:30 amLondon Heathrow
Sep 21
LHR7:55 amLondon Heathrow
11h 55m
1 stop
JFK2:50 pmNew York John F Kennedy Intl
American Airlines
Nov 12
LGA11:29 amNew York LaGuardia
16h 31m
2 stops
LGW9:00 amLondon Gatwick
Nov 25
LGW11:20 amLondon Gatwick
17h 08m
2 stops
LGA11:28 pmNew York LaGuardia

Virgin Atlantic flights from Pennsylvania to London

Our best Virgin Atlantic deals on Pennsylvania to London flight tickets
Virgin Atlantic
Oct 23
JFK8:10 amNew York John F Kennedy Intl
6h 50m
LHR8:00 pmLondon Heathrow
Oct 27
LHR8:00 pmLondon Heathrow
7h 55m
JFK11:55 pmNew York John F Kennedy Intl
Virgin Atlantic
Oct 23
JFK2:40 pmNew York John F Kennedy Intl
11h 05m
1 stop
LHR6:45 amLondon Heathrow
Oct 27
LHR8:00 pmLondon Heathrow
7h 55m
JFK11:55 pmNew York John F Kennedy Intl
Virgin Atlantic
Oct 1
JFK9:00 pmNew York John F Kennedy Intl
7h 15m
LHR9:15 amLondon Heathrow
Oct 12
LHR3:45 pmLondon Heathrow
8h 05m
JFK6:50 pmNew York John F Kennedy Intl

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to London 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 September 19, 2025.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 12/11

8:05 am-8:00 pm

Nonstop6h 55m

London Heathrow

Fri 12/12

6:15 am-1:15 pm

1 stop12h 00m

$425

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Tue 10/21

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Wed 10/29

1:00 pm-4:50 pm

Nonstop7h 50m

$425

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 11/17

10:00 pm-8:35 pm

2 stops17h 35m

London Gatwick

Tue 12/2

10:40 am-8:05 pm

1 stop14h 25m

$426

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 12/10

9:10 pm-9:05 pm

1 stop18h 55m

London Stansted

Sun 12/14

6:30 am-4:50 pm

1 stop15h 20m

$426

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sat 11/8

5:00 pm-9:45 am

1 stop11h 45m

London Gatwick

Fri 11/14

1:20 pm-7:25 pm

1 stop11h 05m

$427

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 11/12

10:00 pm-3:05 pm

1 stop12h 05m

London Gatwick

Tue 11/25

10:40 am-8:05 pm

1 stop14h 25m

$429

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 1/28

11:45 pm-6:00 pm

1 stop13h 15m

London Heathrow

Sun 2/1

6:50 pm-10:00 pm

1 stop32h 10m

$429

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 10/23

8:10 am-8:00 pm

Nonstop6h 50m

London Heathrow

Mon 10/27

8:00 pm-11:55 pm

Nonstop7h 55m

$436

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 3/11

11:45 pm-6:00 pm

1 stop14h 15m

London Heathrow

Wed 3/25

9:55 am-10:00 pm

1 stop16h 05m

$442

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 10/23

2:40 pm-6:45 am

1 stop11h 05m

London Heathrow

Mon 10/27

8:00 pm-11:55 pm

Nonstop7h 55m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Pennsylvania to London

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 month to fly to London?

The cheapest month to fly to London from Pennsylvania is in September. Flight prices, which tend to average around $656, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Pennsylvania averaging around $660.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Pennsylvania to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $776. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $984. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Pennsylvania at noon is the least expensive time of day to depart. momondo users have found prices as low as $764 when looking at flights departing at noon. Flights to London are more costly in the afternoon, with an average ticket price of $879. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Pennsylvania to London flight route?

Fly from Pittsburgh to London Heathrow for the best Pennsylvania - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $821 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Pennsylvania for as low as $720 on momondo.

What cabin class options are available on Pennsylvania to London flights?

There are 4 cabin classes available to choose from on Pennsylvania to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to London flights?

You could potentially save up to 21% on your flight if you consider stops on a Pennsylvania to London flight.

Cheap Pennsylvania to London flight deals and tips

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

Best Price Found

$474

Fastest flight time

6h 50m

Direct flights

Every day

Airports in London

2 airports
The best one-way flight to London from Pennsylvania in the past 72 hours is $474. The best round-trip flight deal from Pennsylvania to London found on momondo in the last 72 hours is $615.
The fastest flight from Pennsylvania to London takes 6h 50m
Direct flights go from Pennsylvania to London every day.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)
  • When did momondo last update prices for flights from Pennsylvania to London?

    Prices for flights from Pennsylvania to London refresh daily.

  • How many operators does momondo search for flights from Pennsylvania to London?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to London?

Best airlines flying from Pennsylvania to London

Compare and see reviews for airlines that fly from Pennsylvania to London with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $136Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
DeltaPriceFrom $219Free CancellationRating
7.9
7,964 reviews
Search Delta flights
IcelandairPriceFrom $492Free CancellationRating
7.0
545 reviews
Search Icelandair flights
British AirwaysPriceFrom $511Free CancellationRating
6.7
7,373 reviews
Search British Airways flights
American AirlinesPriceFrom $515Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom $516Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,281 reviews
Search Aer Lingus flights
IberiaPriceFrom $601Free CancellationRating
7.0
2,926 reviews
Search Iberia flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Brentwood
Ilford
Folkestone
Colchester
Watford
Wembley
Richmond
Croydon

Why use momondo?

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

Finding the right flight to London from Pennsylvania is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Flights from Pennsylvania to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Pennsylvania.

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

Of course. momondo tracks the price of Pennsylvania to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

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1 adult
Sun 10/19
Sun 10/26

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London