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Cheap flights from London Heathrow Airport to Pennsylvania from £264

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 28/4. 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.
Icelandair Logo
20:35 - 19:00
LHR
-
JFK
26h 25m
1 stop
Icelandair Logo
20:25 - 10:50
JFK
-
LHR
10h 25m
1 stop
£323Icelandair
Tue, 10 Mar - Tue, 17 Mar
Icelandair Logo
13:05 - 22:05
LHR
-
JFK
14h 00m
1 stop
Icelandair Logo
23:10 - 20:20
JFK
-
LHR
16h 10m
1 stop
£324Icelandair
Mon, 11 May - Mon, 18 May
British Airways Logo
16:35 - 19:25
LHR
-
EWR
7h 50mdirect
British Airways Logo
17:50 - 05:50
EWR
-
LHR
7h 00mdirect
£349British Airways
Mon, 13 Apr - Mon, 20 Apr
United Airlines Logo
12:05 - 23:44
LHR
-
LGA
15h 39m
1 stop
United Airlines Logo
19:29 - 10:50
LGA
-
LHR
11h 21m
1 stop
£349United Airlines
Mon, 16 Mar - Sun, 22 Mar
British Airways Logo
11:00 - 13:55
LHR
-
EWR
7h 55mdirect
British Airways Logo
21:25 - 09:30
EWR
-
LHR
7h 05mdirect
£350British Airways
Sat, 9 May - Mon, 11 May
United Airlines Logo
16:40 - 23:30
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
19:29 - 10:40
LGA
-
LHR
10h 11m
1 stop
£358United Airlines
Fri, 8 May - Mon, 11 May
Air Canada Logo
09:00 - 20:54
LHR
-
IAD
16h 54m
2 stops
Air Canada Logo
13:13 - 07:10
IAD
-
LHR
12h 57m
1 stop
£402Air Canada
Wed, 25 Feb - Tue, 3 Mar
Air Canada Logo
09:00 - 20:26
LHR
-
IAD
15h 26m
2 stops
Air Canada Logo
09:55 - 07:10
IAD
-
LHR
17h 15m
1 stop
£405Air Canada
Mon, 9 Mar - Sun, 15 Mar
Finnair Logo
13:45 - 11:05
LHR
-
SCE
26h 20m
1 stop
Finnair Logo
19:31 - 10:20
SCE
-
LHR
9h 49m
1 stop
£621Finnair
Tue, 21 Apr - Thu, 30 Apr
Finnair Logo
15:15 - 23:59
LHR
-
AVP
13h 44m
1 stop
Finnair Logo
17:29 - 07:40
AVP
-
LHR
33h 11m
1 stop
£659Finnair
Fri, 1 May - Fri, 8 May

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
10 Mar
LHR20:35London Heathrow
26h 25m
1 stop
JFK19:00New York John F Kennedy Intl
17 Mar
JFK20:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£323
Icelandair
11 May
LHR13:05London Heathrow
11h 15m
1 stop
JFK19:20New York John F Kennedy Intl
17 May
JFK20:30New York John F Kennedy Intl
10h 25m
1 stop
LHR11:55London Heathrow
£324
Icelandair
8 May
LHR21:25London Heathrow
26h 55m
1 stop
JFK19:20New York John F Kennedy Intl
10 May
JFK20:30New York John F Kennedy Intl
10h 25m
1 stop
LHR11:55London Heathrow
£325

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
11 May
LHR06:00London Heathrow
14h 30m
1 stop
EWR15:30Newark
11 May
EWR23:00Newark
14h 50m
1 stop
LHR18:50London Heathrow
£369
TAP AIR PORTUGAL
10 Feb
LHR08:15London Heathrow
16h 50m
1 stop
JFK20:05New York John F Kennedy Intl
17 Feb
JFK22:00New York John F Kennedy Intl
18h 35m
1 stop
LHR21:35London Heathrow
£370
TAP AIR PORTUGAL
19 Mar
LHR13:40London Heathrow
13h 30m
1 stop
EWR23:10Newark
21 Mar
EWR00:55Newark
16h 40m
1 stop
LHR21:35London Heathrow
£377

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 February 2026.
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 10/3

20:35-19:00

1 stop26h 25m

New York John F Kennedy Intl

Tue 17/3

20:25-10:50

1 stop10h 25m

£323

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 11/5

13:05-22:05

1 stop14h 00m

New York John F Kennedy Intl

Mon 18/5

23:10-20:20

1 stop16h 10m

£324

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Mon 13/4

16:35-19:25

Nonstop7h 50m

Newark

Mon 20/4

17:50-05:50

Nonstop7h 00m

£349

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 16/3

12:05-23:44

1 stop15h 39m

New York LaGuardia

Sun 22/3

19:29-10:50

1 stop11h 21m

£349

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sat 9/5

11:00-13:55

Nonstop7h 55m

Newark

Mon 11/5

21:25-09:30

Nonstop7h 05m

£350

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 8/5

16:40-23:30

1 stop11h 50m

New York LaGuardia

Mon 11/5

19:29-10:40

1 stop10h 11m

£358

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 25/2

09:00-20:54

2 stops16h 54m

Washington, D.C. Dulles Intl

Tue 3/3

13:13-07:10

1 stop12h 57m

£402

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 9/3

09:00-20:26

2 stops15h 26m

Washington, D.C. Dulles Intl

Sun 15/3

09:55-07:10

1 stop17h 15m

£405

LondonState College

LHR - SCE

LHRSCE

London Heathrow

Tue 21/4

13:45-11:05

1 stop26h 20m

State College University Park

Thu 30/4

19:31-10:20

1 stop9h 49m

£621

LondonScranton

LHR - AVP

LHRAVP

London Heathrow

Fri 1/5

15:15-23:59

1 stop13h 44m

Wilkes-Barre Scranton

Fri 8/5

17:29-07:40

1 stop33h 11m

£659

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, September 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 £499. If you don’t want to visit Pennsylvania in September, then you should wait until March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £513.

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 £595. 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 £651.

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

Flying to Pennsylvania from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £615 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Pennsylvania is at midday when prices are around £617.

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 £565 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 £504 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 8% 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

£429

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Pennsylvania

152 airports
The best one-way flight to Pennsylvania from London Heathrow Airport in the past 72 hours is £429. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £498.
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 152 airports in Pennsylvania. From London Heathrow Airport there are direct flights to Newark (EWR), Philadelphia (PHL), New York John F Kennedy Intl (JFK).
Search flight deals

  • 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
9,262 reviews
Search United Airlines flights
Air CanadaPriceFrom £333Free CancellationRating
7.1
10,699 reviews
Search Air Canada flights
IcelandairPriceFrom £379Free CancellationRating
7.1
609 reviews
Search Icelandair flights
LufthansaPriceFrom £406Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights
JetBluePriceFrom £413Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
FinnairPriceFrom £443Free CancellationRating
7.6
1,360 reviews
Search Finnair flights
British AirwaysPriceFrom £444Free CancellationRating
6.7
7,723 reviews
Search British Airways flights
American AirlinesPriceFrom £447Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom £452Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £457Free CancellationRating
7.2
1,447 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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