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Cheap flights from London Heathrow Airport to Pennsylvania from £259

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 25/3. 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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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
19:55 - 20:05LHR-JFK
29h 10m1 stop
TAP AIR PORTUGAL Logo
22:00 - 21:35JFK-LHR
18h 35m1 stop
£346TAP AIR PORTUGAL
Find Deal
Thu, 15 Jan - Sun, 18 Jan
TAP AIR PORTUGAL Logo
13:40 - 23:10LHR-EWR
13h 30m1 stop
TAP AIR PORTUGAL Logo
00:55 - 22:40EWR-LHR
17h 45m1 stop
£346TAP AIR PORTUGAL
Find Deal
Thu, 12 Mar - Sun, 15 Mar
TAP AIR PORTUGAL Logo
19:55 - 20:05LHR-JFK
29h 10m1 stop
TAP AIR PORTUGAL Logo
22:00 - 17:30JFK-LHR
14h 30m1 stop
£347TAP AIR PORTUGAL
Find Deal
Thu, 15 Jan - Sun, 18 Jan
Aer Lingus Logo
10:00 - 16:25LHR-JFK
11h 25m1 stop
Aer Lingus Logo
18:30 - 09:15JFK-LHR
9h 45m1 stop
£374Aer Lingus
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Aer Lingus Logo
10:00 - 16:25LHR-JFK
11h 25m1 stop
Aer Lingus Logo
18:30 - 09:15JFK-LHR
9h 45m1 stop
£379Aer Lingus
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Iberia Logo
11:25 - 19:15LHR-JFK
12h 50m1 stop
Iberia Logo
21:50 - 09:40JFK-LHR
6h 50mdirect
£386Iberia
Find Deal
Tue, 25 Nov - Tue, 2 Dec
British Airways Logo
09:55 - 18:25LHR-LGA
13h 30m1 stop
British Airways Logo
17:55 - 09:15LGA-LHR
10h 20m1 stop
£423British Airways
Find Deal
Mon, 24 Nov - Mon, 15 Dec
British Airways Logo
07:30 - 22:39LHR-LGA
20h 09m2 stops
British Airways Logo
15:50 - 07:00LGA-LHR
10h 10m1 stop
£426British Airways
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Tue, 25 Nov - Tue, 2 Dec
Finnair Logo
14:45 - 23:28LHR-LGA
13h 43m1 stop
Finnair Logo
16:00 - 07:00LGA-LHR
10h 00m1 stop
£431Finnair
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Tue, 25 Nov - Thu, 4 Dec
Finnair Logo
16:10 - 18:34LHR-SCE
31h 24m2 stops
Finnair Logo
19:05 - 14:35SCE-LHR
14h 30m2 stops
£623Finnair
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Wed, 12 Nov - Thu, 20 Nov

LEVEL flights from London Heathrow Airport to Pennsylvania

Our best LEVEL deals on London Heathrow Airport to Pennsylvania flight tickets
LEVEL
12 Jan
LHR18:50London Heathrow
32h 10m
1 stop
JFK22:00New York John F Kennedy Intl
19 Jan
JFK23:45New York John F Kennedy Intl
13h 15m
1 stop
LHR18:00London Heathrow
£350
Find similar
LEVEL
12 Jan
LHR09:55London Heathrow
17h 05m
1 stop
JFK22:00New York John F Kennedy Intl
21 Jan
JFK23:45New York John F Kennedy Intl
13h 15m
1 stop
LHR18:00London Heathrow
£351
Find similar
LEVEL
21 Jan
LHR09:55London Heathrow
17h 05m
1 stop
JFK22:00New York John F Kennedy Intl
26 Jan
JFK23:45New York John F Kennedy Intl
13h 15m
1 stop
LHR18:00London Heathrow
£352
Find similar

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
7 Feb
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
11 Feb
JFK19:25New York John F Kennedy Intl
19h 05m
1 stop
LHR19:30London Heathrow
£357
Find similar
Icelandair
21 Nov
LHR12:15London Heathrow
11h 10m
1 stop
EWR18:25Newark
24 Nov
EWR19:35Newark
10h 15m
1 stop
LHR10:50London Heathrow
£362
Find similar
Icelandair
26 Nov
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
3 Dec
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£363
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 28 October 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

Thu 15/1

19:55-20:05

1 stop29h 10m

New York John F Kennedy Intl

Sun 18/1

22:00-21:35

1 stop18h 35m

£346

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Thu 12/3

13:40-23:10

1 stop13h 30m

Newark

Sun 15/3

00:55-22:40

1 stop17h 45m

£346

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 15/1

19:55-20:05

1 stop29h 10m

New York John F Kennedy Intl

Sun 18/1

22:00-17:30

1 stop14h 30m

£347

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 25/11

10:00-16:25

1 stop11h 25m

New York John F Kennedy Intl

Tue 2/12

18:30-09:15

1 stop9h 45m

£374

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 10/11

10:00-16:25

1 stop11h 25m

New York John F Kennedy Intl

Mon 17/11

18:30-09:15

1 stop9h 45m

£379

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 25/11

11:25-19:15

1 stop12h 50m

New York John F Kennedy Intl

Tue 2/12

21:50-09:40

Nonstop6h 50m

£386

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 24/11

09:55-18:25

1 stop13h 30m

New York LaGuardia

Mon 15/12

17:55-09:15

1 stop10h 20m

£423

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 25/11

07:30-22:39

2 stops20h 09m

New York LaGuardia

Tue 2/12

15:50-07:00

1 stop10h 10m

£426

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 25/11

14:45-23:28

1 stop13h 43m

New York LaGuardia

Thu 4/12

16:00-07:00

1 stop10h 00m

£431

LondonState College

LHR - SCE

LHRSCE

London Heathrow

Wed 12/11

16:10-18:34

2 stops31h 24m

State College University Park

Thu 20/11

19:05-14:35

2 stops14h 30m

£623

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 £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 £505.

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 £613. 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 £668.

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 at midday when prices are around £634.

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 £573 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?

You could potentially save up to 33% 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

£413

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 £413. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £559.
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
8,997 reviews
Search United Airlines flights
IcelandairPriceFrom £337Free CancellationRating
7.1
562 reviews
Search Icelandair flights
Air CanadaPriceFrom £340Free CancellationRating
7.1
10,370 reviews
Search Air Canada flights
JetBluePriceFrom £384Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
LufthansaPriceFrom £415Free CancellationRating
6.8
7,532 reviews
Search Lufthansa flights
British AirwaysPriceFrom £441Free CancellationRating
6.7
7,476 reviews
Search British Airways flights
American AirlinesPriceFrom £449Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
Aer LingusPriceFrom £451Free CancellationRating
7.2
1,360 reviews
Search Aer Lingus flights
FinnairPriceFrom £452Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £462Free CancellationRating
7.5
670 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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