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Cheap flights from London Heathrow Airport to Pennsylvania from £246

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 25/11. 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

Lufthansa Logo
06:55 - 15:00LHR-JFK
13h 05m1 stop
Lufthansa Logo
17:30 - 09:55JFK-LHR
11h 25m1 stop
£306Lufthansa
Find Deal
Fri, 17 Oct - Mon, 20 Oct
Multiple Airlines Logo
06:35 - 15:40LHR-JFK
14h 05m1 stop
Multiple Airlines Logo
16:25 - 08:05JFK-LHR
10h 40m1 stop
£307Multiple Airlines
Find Deal
Fri, 7 Nov - Fri, 28 Nov
Aer Lingus Logo
10:00 - 16:25LHR-JFK
11h 25m1 stop
Aer Lingus Logo
18:30 - 09:15JFK-LHR
9h 45m1 stop
£311Aer Lingus
Find Deal
Mon, 3 Nov - Thu, 27 Nov
Aer Lingus Logo
12:10 - 20:25LHR-JFK
12h 15m1 stop
Aer Lingus Logo
18:30 - 09:15JFK-LHR
9h 45m1 stop
£312Aer Lingus
Find Deal
Sat, 1 Nov - Wed, 26 Nov
United Airlines Logo
08:45 - 20:10LHR-EWR
16h 25m1 stop
United Airlines Logo
17:35 - 05:55EWR-LHR
7h 20mdirect
£326United Airlines
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Tue, 7 Oct - Thu, 23 Oct
United Airlines Logo
09:00 - 16:40LHR-JFK
12h 40m1 stop
United Airlines Logo
10:05 - 07:10JFK-LHR
16h 05m1 stop
£327United Airlines
Find Deal
Thu, 6 Nov - Mon, 10 Nov
British Airways Logo
15:35 - 18:40LHR-JFK
8h 05mdirect
British Airways Logo
18:50 - 06:45JFK-LHR
6h 55mdirect
£341British Airways
Find Deal
Mon, 1 Dec - Sat, 13 Dec
British Airways Logo
14:40 - 20:53LHR-LGA
11h 13m1 stop
British Airways Logo
06:00 - 19:00LGA-LHR
9h 00m1 stop
£344British Airways
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Thu, 16 Oct - Wed, 29 Oct
Finnair Logo
17:00 - 13:35LHR-IAD
25h 35m2 stops
Finnair Logo
14:16 - 07:20IAD-LHR
12h 04m1 stop
£408Finnair
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Mon, 3 Nov - Mon, 10 Nov
Finnair Logo
17:00 - 22:57LHR-DCA
10h 57m1 stop
Finnair Logo
07:35 - 06:55DCA-LHR
18h 20m1 stop
£408Finnair
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Wed, 8 Oct - Mon, 13 Oct

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
5 Nov
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
11 Nov
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£320
Find similar
Icelandair
4 Nov
LHR20:35London Heathrow
26h 25m
1 stop
JFK18:00New York John F Kennedy Intl
16 Nov
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£320
Find similar
Icelandair
23 Sept
LHR13:05London Heathrow
11h 15m
1 stop
IAD19:20Washington, D.C. Dulles Intl
3 Oct
IAD20:30Washington, D.C. Dulles Intl
10h 25m
1 stop
LHR11:55London Heathrow
£429
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SWISS flights from London Heathrow Airport to Pennsylvania

Our best SWISS deals on London Heathrow Airport to Pennsylvania flight tickets
SWISS
22 Sept
LHR06:00London Heathrow
11h 50m
1 stop
JFK12:50New York John F Kennedy Intl
1 Oct
JFK16:15New York John F Kennedy Intl
10h 40m
1 stop
LHR07:55London Heathrow
£312
Find similar
SWISS
25 Sept
LHR06:00London Heathrow
11h 50m
1 stop
JFK12:50New York John F Kennedy Intl
4 Nov
JFK16:25New York John F Kennedy Intl
10h 40m
1 stop
LHR08:05London Heathrow
£313
Find similar
SWISS
24 Sept
LHR06:00London Heathrow
11h 50m
1 stop
JFK12:50New York John F Kennedy Intl
6 Oct
JFK16:15New York John F Kennedy Intl
10h 40m
1 stop
LHR07:55London Heathrow
£314
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 17 September 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

Fri 17/10

06:55-15:00

1 stop13h 05m

New York John F Kennedy Intl

Mon 20/10

17:30-09:55

1 stop11h 25m

£306

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Fri 7/11

06:35-15:40

1 stop14h 05m

New York John F Kennedy Intl

Fri 28/11

16:25-08:05

1 stop10h 40m

£307

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 3/11

10:00-16:25

1 stop11h 25m

New York John F Kennedy Intl

Thu 27/11

18:30-09:15

1 stop9h 45m

£311

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 1/11

12:10-20:25

1 stop12h 15m

New York John F Kennedy Intl

Wed 26/11

18:30-09:15

1 stop9h 45m

£312

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Tue 7/10

08:45-20:10

1 stop16h 25m

Newark

Thu 23/10

17:35-05:55

Nonstop7h 20m

£326

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 6/11

09:00-16:40

1 stop12h 40m

New York John F Kennedy Intl

Mon 10/11

10:05-07:10

1 stop16h 05m

£327

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 1/12

15:35-18:40

Nonstop8h 05m

New York John F Kennedy Intl

Sat 13/12

18:50-06:45

Nonstop6h 55m

£341

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 16/10

14:40-20:53

1 stop11h 13m

New York LaGuardia

Wed 29/10

06:00-19:00

1 stop9h 00m

£344

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 3/11

17:00-13:35

2 stops25h 35m

Washington, D.C. Dulles Intl

Mon 10/11

14:16-07:20

1 stop12h 04m

£408

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 8/10

17:00-22:57

1 stop10h 57m

Washington, D.C. Reagan-National

Mon 13/10

07:35-06:55

1 stop18h 20m

£408

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 £466. 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 £491.

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

According to our data, Tuesday is the cheapest day to fly to Pennsylvania from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was £594. 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 £655.

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 £491 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Pennsylvania is at midday when prices are around £624.

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 £554 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 £510 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 14% 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

£538

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 £538. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £497.
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 £298Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
IcelandairPriceFrom £330Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Air CanadaPriceFrom £332Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
JetBluePriceFrom £352Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
LufthansaPriceFrom £405Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
British AirwaysPriceFrom £429Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
FinnairPriceFrom £435Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
American AirlinesPriceFrom £439Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom £445Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £451Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic 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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