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Cheap flights from London Heathrow Airport to Pennsylvania from £268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Pennsylvania departing on 9/2. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
12:15 - 18:00
LHR
-
JFK
10h 45m1 stop
Icelandair Logo
19:25 - 19:30
JFK
-
LHR
19h 05m1 stop
£377Icelandair
Sat, 24 Jan - Fri, 30 Jan
Icelandair Logo
12:15 - 18:00
LHR
-
JFK
10h 45m1 stop
Icelandair Logo
19:25 - 10:50
JFK
-
LHR
10h 25m1 stop
£377Icelandair
Mon, 26 Jan - Mon, 9 Feb
TAP AIR PORTUGAL Logo
19:55 - 20:05
LHR
-
JFK
29h 10m1 stop
TAP AIR PORTUGAL Logo
22:00 - 17:30
JFK
-
LHR
14h 30m1 stop
£378TAP AIR PORTUGAL
Sun, 25 Jan - Tue, 3 Feb
United Airlines Logo
12:05 - 18:44
LHR
-
LGA
11h 39m1 stop
United Airlines Logo
14:55 - 10:50
LGA
-
LHR
14h 55m1 stop
£380United Airlines
Sun, 11 Jan - Sun, 18 Jan
Air Canada Logo
06:00 - 21:33
LHR
-
LGA
20h 33m2 stops
Air Canada Logo
10:35 - 20:35
LGA
-
LHR
29h 00m2 stops
£401Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
09:00 - 19:02
LHR
-
LGA
15h 02m2 stops
Air Canada Logo
15:30 - 08:30
LGA
-
LHR
12h 00m1 stop
£410Air Canada
Tue, 24 Feb - Mon, 2 Mar
British Airways Logo
07:50 - 14:05
LHR
-
PHL
11h 15m1 stop
British Airways Logo
19:50 - 07:50
PHL
-
LHR
7h 00mdirect
£540British Airways
Thu, 15 Jan - Thu, 22 Jan
United Airlines Logo
09:00 - 22:46
LHR
-
PHL
42h 46m2 stops
United Airlines Logo
19:45 - 10:05
PHL
-
LHR
33h 20m2 stops
£541United Airlines
Fri, 9 Jan - Mon, 12 Jan
British Airways Logo
06:30 - 14:00
LHR
-
PHL
12h 30m1 stop
British Airways Logo
18:35 - 06:35
PHL
-
LHR
7h 00mdirect
£542British Airways
Thu, 12 Feb - Thu, 26 Feb
Finnair Logo
10:15 - 13:30
LHR
-
PHL
8h 15mdirect
Finnair Logo
21:31 - 19:00
PHL
-
LHR
16h 29m1 stop
£549Finnair
Thu, 15 Jan - Sun, 25 Jan

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
24 Jan
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
30 Jan
JFK19:25New York John F Kennedy Intl
19h 05m
1 stop
LHR19:30London Heathrow
£377
Find similar
Icelandair
25 Jan
LHR20:35London Heathrow
26h 25m
1 stop
JFK18:00New York John F Kennedy Intl
10 Feb
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£377
Find similar
Icelandair
23 Feb
LHR20:35London Heathrow
26h 25m
1 stop
JFK18:00New York John F Kennedy Intl
2 Mar
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£379
Find similar

TAP AIR PORTUGAL flights from London Heathrow Airport to Pennsylvania

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Pennsylvania flight tickets
TAP AIR PORTUGAL
25 Jan
LHR19:55London Heathrow
29h 10m
1 stop
JFK20:05New York John F Kennedy Intl
3 Feb
JFK22:00New York John F Kennedy Intl
14h 30m
1 stop
LHR17:30London Heathrow
£378
Find similar
TAP AIR PORTUGAL
12 Jan
LHR18:30London Heathrow
30h 35m
1 stop
JFK20:05New York John F Kennedy Intl
19 Jan
JFK22:00New York John F Kennedy Intl
14h 30m
1 stop
LHR17:30London Heathrow
£380
Find similar
TAP AIR PORTUGAL
3 Mar
LHR18:30London Heathrow
30h 35m
1 stop
JFK20:05New York John F Kennedy Intl
10 Mar
JFK23:00New York John F Kennedy Intl
14h 30m
1 stop
LHR17:30London Heathrow
£381
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Pennsylvania 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 279,928 searches. Data last updated 9 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 24/1

12:15-18:00

1 stop10h 45m

New York John F Kennedy Intl

Fri 30/1

19:25-19:30

1 stop19h 05m

£377

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 26/1

12:15-18:00

1 stop10h 45m

New York John F Kennedy Intl

Mon 9/2

19:25-10:50

1 stop10h 25m

£377

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sun 25/1

19:55-20:05

1 stop29h 10m

New York John F Kennedy Intl

Tue 3/2

22:00-17:30

1 stop14h 30m

£378

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 11/1

12:05-18:44

1 stop11h 39m

New York LaGuardia

Sun 18/1

14:55-10:50

1 stop14h 55m

£380

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 25/2

06:00-21:33

2 stops20h 33m

New York LaGuardia

Sun 1/3

10:35-20:35

2 stops29h 00m

£401

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 24/2

09:00-19:02

2 stops15h 02m

New York LaGuardia

Mon 2/3

15:30-08:30

1 stop12h 00m

£410

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 15/1

07:50-14:05

1 stop11h 15m

Philadelphia

Thu 22/1

19:50-07:50

Nonstop7h 00m

£540

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Fri 9/1

09:00-22:46

2 stops42h 46m

Philadelphia

Mon 12/1

19:45-10:05

2 stops33h 20m

£541

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 12/2

06:30-14:00

1 stop12h 30m

Philadelphia

Thu 26/2

18:35-06:35

Nonstop7h 00m

£542

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 15/1

10:15-13:30

Nonstop8h 15m

Philadelphia

Sun 25/1

21:31-19:00

1 stop16h 29m

£549

Flights are sorted by cheapest return flights first.

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

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

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 Pennsylvania?

In general, March is the cheapest month to fly from London Heathrow Airport to Pennsylvania. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £476. If you don’t want to visit Pennsylvania in March, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £501.

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

According to our data, Wednesday is the cheapest day to fly to Pennsylvania from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £602. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Pennsylvania is Sunday, with ticket prices averaging around £653.

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

Flying to Pennsylvania from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £502 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Pennsylvania is in the morning when prices are around £631.

What is the cheapest London Heathrow to Pennsylvania flight route?

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

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

You are more likely to see cheaper flights to Pennsylvania from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around £567 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from London Heathrow Airport for as low as £515 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Pennsylvania 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 London Heathrow Airport to Pennsylvania flights?

You could potentially save up to 9% on your flight if you consider stops on a London Heathrow Airport to Pennsylvania flight.

Cheap London Heathrow Airport to Pennsylvania flight deals and tips

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

Best price found

£503

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Pennsylvania

3 airports
The best one-way flight to Pennsylvania from London Heathrow Airport in the past 72 hours is £503. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £584.
The fastest flight from London Heathrow Airport to Pennsylvania takes 7h 45m
Direct flights go from London Heathrow Airport to Pennsylvania every day.
There are 3 airports near Pennsylvania: Newark (EWR), Philadelphia (PHL), New York John F Kennedy Intl (JFK)
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  • When did momondo last update prices for flights from London Heathrow Airport to Pennsylvania?

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

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

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

    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 London Heathrow Airport to Pennsylvania.

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

    The necessary travel and health documents for your Pennsylvania trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London Heathrow Airport to Pennsylvania

Compare and see reviews for airlines that fly from London Heathrow Airport to Pennsylvania with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £304Free CancellationRating
7.4
9,088 reviews
Search United Airlines flights
Air CanadaPriceFrom £340Free CancellationRating
7.1
10,514 reviews
Search Air Canada flights
IcelandairPriceFrom £388Free CancellationRating
7.0
588 reviews
Search Icelandair flights
JetBluePriceFrom £404Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
LufthansaPriceFrom £404Free CancellationRating
6.8
7,618 reviews
Search Lufthansa flights
British AirwaysPriceFrom £440Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
FinnairPriceFrom £451Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
American AirlinesPriceFrom £455Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom £462Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £467Free CancellationRating
7.2
1,389 reviews
Search Aer Lingus flights

Why use momondo?

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

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

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

All flight searches from London to Pennsylvania on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for London to Pennsylvania 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 London to Pennsylvania right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Pennsylvania, momondo offers a useful price alert feature which will track prices for flights to Pennsylvania from London and alert you when they change.

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