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Cheap flights from London Heathrow Airport to Pennsylvania from £269

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 23/1. 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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Find the cheapest flights from London Heathrow Airport to Pennsylvania

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:35 - 18:00LHR-JFK
26h 25m1 stop
Icelandair Logo
19:25 - 10:50JFK-LHR
10h 25m1 stop
£331Icelandair
Find Deal
Tue, 13 Jan - Tue, 27 Jan
Icelandair Logo
20:35 - 18:00LHR-JFK
26h 25m1 stop
Icelandair Logo
19:25 - 10:50JFK-LHR
10h 25m1 stop
£333Icelandair
Find Deal
Mon, 19 Jan - Sat, 24 Jan
Icelandair Logo
12:15 - 18:00LHR-JFK
10h 45m1 stop
Icelandair Logo
19:25 - 19:30JFK-LHR
19h 05m1 stop
£333Icelandair
Find Deal
Thu, 15 Jan - Sun, 25 Jan
Icelandair Logo
12:15 - 18:00LHR-JFK
10h 45m1 stop
Icelandair Logo
19:25 - 10:50JFK-LHR
10h 25m1 stop
£334Icelandair
Find Deal
Sat, 17 Jan - Sat, 24 Jan
British Airways Logo
14:45 - 23:45LHR-LGA
13h 00m1 stop
British Airways Logo
17:00 - 06:30LGA-LHR
9h 30m1 stop
£448British Airways
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Tue, 17 Mar - Wed, 25 Mar
Finnair Logo
14:10 - 22:06LHR-LGA
12h 56m1 stop
Finnair Logo
16:00 - 07:00LGA-LHR
10h 00m1 stop
£453Finnair
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Wed, 3 Dec - Wed, 10 Dec
British Airways Logo
08:25 - 16:30LHR-IAD
13h 05m1 stop
British Airways Logo
21:45 - 10:00IAD-LHR
7h 15mdirect
£460British Airways
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Sun, 8 Feb - Sun, 15 Feb
Iberia Logo
14:10 - 22:55LHR-DCA
13h 45m1 stop
Iberia Logo
13:35 - 06:20DCA-LHR
11h 45m1 stop
£501Iberia
Find Deal
Tue, 3 Feb - Wed, 11 Feb
Aer Lingus Logo
08:50 - 16:00LHR-PHL
12h 10m1 stop
Aer Lingus Logo
17:30 - 10:10PHL-LHR
11h 40m1 stop
£503Aer Lingus
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Mon, 8 Dec - Mon, 15 Dec
Finnair Logo
11:00 - 19:19LHR-AVP
13h 19m1 stop
Finnair Logo
18:30 - 10:25AVP-LHR
10h 55m1 stop
£1,010Finnair
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Thu, 25 Dec - Thu, 1 Jan

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
13 Jan
LHR20:35London Heathrow
26h 25m
1 stop
JFK18:00New York John F Kennedy Intl
27 Jan
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£331
Find similar
Icelandair
19 Jan
LHR20:35London Heathrow
26h 25m
1 stop
JFK18:00New York John F Kennedy Intl
24 Jan
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£333
Find similar
Icelandair
15 Jan
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
25 Jan
JFK19:25New York John F Kennedy Intl
19h 05m
1 stop
LHR19:30London Heathrow
£333
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
13 Feb
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
17 Feb
JFK22:00New York John F Kennedy Intl
19h 40m
1 stop
LHR22:40London Heathrow
£361
Find similar
TAP AIR PORTUGAL
10 Dec
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
13 Jan
JFK22:00New York John F Kennedy Intl
18h 35m
1 stop
LHR21:35London Heathrow
£362
Find similar
TAP AIR PORTUGAL
15 Jan
LHR19:55London Heathrow
29h 10m
1 stop
JFK20:05New York John F Kennedy Intl
19 Jan
JFK22:00New York John F Kennedy Intl
19h 40m
1 stop
LHR22:40London Heathrow
£365
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 11 November 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

Tue 13/1

20:35-18:00

1 stop26h 25m

New York John F Kennedy Intl

Tue 27/1

19:25-10:50

1 stop10h 25m

£331

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 19/1

20:35-18:00

1 stop26h 25m

New York John F Kennedy Intl

Sat 24/1

19:25-10:50

1 stop10h 25m

£333

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 15/1

12:15-18:00

1 stop10h 45m

New York John F Kennedy Intl

Sun 25/1

19:25-19:30

1 stop19h 05m

£333

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 17/1

12:15-18:00

1 stop10h 45m

New York John F Kennedy Intl

Sat 24/1

19:25-10:50

1 stop10h 25m

£334

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 17/3

14:45-23:45

1 stop13h 00m

New York LaGuardia

Wed 25/3

17:00-06:30

1 stop9h 30m

£448

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 3/12

14:10-22:06

1 stop12h 56m

New York LaGuardia

Wed 10/12

16:00-07:00

1 stop10h 00m

£453

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sun 8/2

08:25-16:30

1 stop13h 05m

Washington, D.C. Dulles Intl

Sun 15/2

21:45-10:00

Nonstop7h 15m

£460

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 3/2

14:10-22:55

1 stop13h 45m

Washington, D.C. Reagan-National

Wed 11/2

13:35-06:20

1 stop11h 45m

£501

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 8/12

08:50-16:00

1 stop12h 10m

Philadelphia

Mon 15/12

17:30-10:10

1 stop11h 40m

£503

LondonScranton

LHR - AVP

LHRAVP

London Heathrow

Thu 25/12

11:00-19:19

1 stop13h 19m

Wilkes-Barre Scranton

Thu 1/1

18:30-10:25

1 stop10h 55m

£1,010

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 £482. 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 £509.

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 £618. 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 £671.

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 £508 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 £642.

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 £576 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 £511 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

£418

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 £418. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £590.
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 £308Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
IcelandairPriceFrom £341Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Air CanadaPriceFrom £344Free CancellationRating
7.1
10,436 reviews
Search Air Canada flights
JetBluePriceFrom £389Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
LufthansaPriceFrom £420Free CancellationRating
6.8
7,565 reviews
Search Lufthansa flights
British AirwaysPriceFrom £447Free CancellationRating
6.7
7,510 reviews
Search British Airways flights
American AirlinesPriceFrom £455Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
FinnairPriceFrom £458Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
Aer LingusPriceFrom £467Free CancellationRating
7.2
1,368 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £468Free CancellationRating
7.5
673 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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