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Cheap flights from London Heathrow Airport to Pennsylvania from £225

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 29/1. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Pennsylvania

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
08:15 - 20:05LHR-JFK
16h 50m1 stop
TAP AIR PORTUGAL Logo
22:00 - 17:30JFK-LHR
14h 30m1 stop
£358TAP AIR PORTUGAL
Find Deal
Wed, 25 Feb - Wed, 4 Mar
Multiple Airlines Logo
06:00 - 16:40LHR-JFK
15h 40m1 stop
Multiple Airlines Logo
10:05 - 07:10JFK-LHR
16h 05m1 stop
£360Multiple Airlines
Find Deal
Thu, 19 Feb - Mon, 23 Feb
Multiple Airlines Logo
09:00 - 19:02LHR-LGA
15h 02m2 stops
Multiple Airlines Logo
06:05 - 08:05LGA-LHR
21h 00m2 stops
£361Multiple Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
Air Canada Logo
06:50 - 20:58LHR-JFK
19h 08m2 stops
Air Canada Logo
10:05 - 07:10JFK-LHR
16h 05m1 stop
£361Air Canada
Find Deal
Fri, 16 Jan - Mon, 19 Jan
Air Canada Logo
13:45 - 20:58LHR-JFK
36h 13m2 stops
Air Canada Logo
10:05 - 07:10JFK-LHR
17h 05m1 stop
£362Air Canada
Find Deal
Tue, 3 Mar - Thu, 26 Mar
British Airways Logo
07:50 - 13:55LHR-JFK
11h 05m1 stop
British Airways Logo
08:05 - 20:00JFK-LHR
6h 55mdirect
£366British Airways
Find Deal
Sat, 17 Jan - Sat, 24 Jan
United Airlines Logo
12:05 - 20:30LHR-EWR
13h 25m1 stop
United Airlines Logo
15:00 - 10:50EWR-LHR
14h 50m1 stop
£369United Airlines
Find Deal
Sat, 17 Jan - Tue, 20 Jan
United Airlines Logo
12:05 - 20:30LHR-EWR
13h 25m1 stop
United Airlines Logo
22:40 - 11:05EWR-LHR
7h 25mdirect
£371United Airlines
Find Deal
Thu, 8 Jan - Wed, 14 Jan
British Airways Logo
09:55 - 17:17LHR-DCA
12h 22m1 stop
British Airways Logo
16:35 - 06:35DCA-LHR
10h 00m1 stop
£469British Airways
Find Deal
Sat, 7 Mar - Wed, 11 Mar
Finnair Logo
09:15 - 12:15LHR-PHL
8h 00mdirect
Finnair Logo
21:05 - 09:25PHL-LHR
31h 20m1 stop
£544Finnair
Find Deal
Tue, 26 May - Sun, 31 May

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
4 Feb
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
8 Feb
JFK22:00New York John F Kennedy Intl
19h 40m
1 stop
LHR22:40London Heathrow
£361
Find similar
TAP AIR PORTUGAL
19 Jan
LHR18:30London Heathrow
30h 35m
1 stop
JFK20:05New York John F Kennedy Intl
26 Jan
JFK22:00New York John F Kennedy Intl
14h 30m
1 stop
LHR17:30London Heathrow
£363
Find similar
TAP AIR PORTUGAL
22 Jan
LHR08:15London Heathrow
18h 55m
1 stop
EWR22:10Newark
27 Jan
EWR00:15Newark
17h 25m
2 stops
LHR22:40London Heathrow
£366
Find similar

Air Canada flights from London Heathrow Airport to Pennsylvania

Our best Air Canada deals on London Heathrow Airport to Pennsylvania flight tickets
Air Canada
16 Jan
LHR06:50London Heathrow
19h 08m
2 stops
JFK20:58New York John F Kennedy Intl
19 Jan
JFK10:05New York John F Kennedy Intl
16h 05m
1 stop
LHR07:10London Heathrow
£361
Find similar
Air Canada
6 Dec
LHR09:00London Heathrow
16h 37m
2 stops
EWR20:37Newark
9 Dec
EWR06:55Newark
19h 15m
1 stop
LHR07:10London Heathrow
£366
Find similar
Air Canada
31 Jan
LHR06:50London Heathrow
12h 53m
2 stops
LGA14:43New York LaGuardia
3 Feb
LGA06:05New York LaGuardia
20h 05m
1 stop
LHR07:10London Heathrow
£367
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 2 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

Wed 25/2

08:15-20:05

1 stop16h 50m

New York John F Kennedy Intl

Wed 4/3

22:00-17:30

1 stop14h 30m

£358

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 19/2

06:00-16:40

1 stop15h 40m

New York John F Kennedy Intl

Mon 23/2

10:05-07:10

1 stop16h 05m

£360

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 14/1

09:00-19:02

2 stops15h 02m

New York LaGuardia

Sun 18/1

06:05-08:05

2 stops21h 00m

£361

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 16/1

06:50-20:58

2 stops19h 08m

New York John F Kennedy Intl

Mon 19/1

10:05-07:10

1 stop16h 05m

£361

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 3/3

13:45-20:58

2 stops36h 13m

New York John F Kennedy Intl

Thu 26/3

10:05-07:10

1 stop17h 05m

£362

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 17/1

07:50-13:55

1 stop11h 05m

New York John F Kennedy Intl

Sat 24/1

08:05-20:00

Nonstop6h 55m

£366

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sat 17/1

12:05-20:30

1 stop13h 25m

Newark

Tue 20/1

15:00-10:50

1 stop14h 50m

£369

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Thu 8/1

12:05-20:30

1 stop13h 25m

Newark

Wed 14/1

22:40-11:05

Nonstop7h 25m

£371

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 7/3

09:55-17:17

1 stop12h 22m

Washington, D.C. Reagan-National

Wed 11/3

16:35-06:35

1 stop10h 00m

£469

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 26/5

09:15-12:15

Nonstop8h 00m

Philadelphia

Sun 31/5

21:05-09:25

1 stop31h 20m

£544

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 £480. 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 £508.

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 £609. 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 £658.

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 £506 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 £636.

What is the cheapest London Heathrow to Pennsylvania flight route?

Fly from London Heathrow to Philadelphia 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 £574 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 £509 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Pennsylvania.

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

£507

Fastest flight time

7h 44m

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 £507. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £600.
The fastest flight from London Heathrow Airport to Pennsylvania takes 7h 44m
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 £306Free CancellationRating
7.4
9,062 reviews
Search United Airlines flights
Air CanadaPriceFrom £342Free CancellationRating
7.1
10,493 reviews
Search Air Canada flights
IcelandairPriceFrom £391Free CancellationRating
7.0
584 reviews
Search Icelandair flights
JetBluePriceFrom £396Free CancellationRating
7.2
2,904 reviews
Search JetBlue flights
LufthansaPriceFrom £407Free CancellationRating
6.8
7,602 reviews
Search Lufthansa flights
British AirwaysPriceFrom £444Free CancellationRating
6.7
7,549 reviews
Search British Airways flights
FinnairPriceFrom £453Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
American AirlinesPriceFrom £459Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom £465Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £470Free CancellationRating
7.2
1,384 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.

An easier way to manage your Pennsylvania trip

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