Cheap flights from London Heathrow Airport to Pennsylvania from £260

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 20/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
07:05 - 15:40
LHR
-
JFK
13h 35m
1 stop
Scandinavian Airlines Logo
18:55 - 17:40
JFK
-
LHR
17h 45m
1 stop
£337Scandinavian Airlines
Thu, 16 Apr - Thu, 23 Apr
Scandinavian Airlines Logo
19:50 - 15:40
LHR
-
JFK
24h 50m
1 stop
Scandinavian Airlines Logo
17:10 - 16:25
JFK
-
LHR
18h 15m
1 stop
£339Scandinavian Airlines
Mon, 13 Apr - Mon, 20 Apr
United Airlines Logo
16:40 - 23:30
LHR
-
LGA
11h 50m
1 stop
United Airlines Logo
14:50 - 06:55
LGA
-
LHR
11h 05m
1 stop
£342United Airlines
Tue, 28 Apr - Wed, 6 May
United Airlines Logo
12:15 - 18:44
LHR
-
LGA
11h 29m
1 stop
United Airlines Logo
14:49 - 10:40
LGA
-
LHR
14h 51m
1 stop
£365United Airlines
Sat, 18 Apr - Tue, 21 Apr
Air Canada Logo
11:10 - 19:03
LHR
-
LGA
11h 53m
1 stop
Air Canada Logo
11:40 - 06:35
LGA
-
LHR
13h 55m
1 stop
£383Air Canada
Wed, 25 Mar - Sun, 29 Mar
Air Canada Logo
14:10 - 12:01
LHR
-
DCA
26h 51m
1 stop
Air Canada Logo
16:10 - 10:00
DCA
-
LHR
12h 50m
1 stop
£401Air Canada
Sat, 18 Apr - Sat, 25 Apr
British Airways Logo
10:30 - 16:45
LHR
-
DCA
11h 15m
1 stop
British Airways Logo
17:31 - 08:30
DCA
-
LHR
9h 59m
1 stop
£401British Airways
Wed, 15 Apr - Wed, 22 Apr
British Airways Logo
17:05 - 20:10
LHR
-
IAD
8h 05mdirect
British Airways Logo
22:25 - 10:50
IAD
-
LHR
7h 25mdirect
£402British Airways
Wed, 15 Apr - Wed, 6 May
JetBlue Logo
08:40 - 19:49
LHR
-
PHL
16h 09m
1 stop
JetBlue Logo
10:20 - 06:30
PHL
-
LHR
15h 10m
1 stop
£457JetBlue
Tue, 1 Sep - Tue, 15 Sep
JetBlue Logo
08:40 - 21:40
LHR
-
PHL
18h 00m
1 stop
JetBlue Logo
08:25 - 06:30
PHL
-
LHR
17h 05m
1 stop
£463JetBlue
Mon, 4 May - Mon, 11 May

British Airways flights from London Heathrow Airport to Pennsylvania

Our best British Airways deals on London Heathrow Airport to Pennsylvania flight tickets
British Airways
28 Apr
LHR19:25London Heathrow
8h 00m
JFK22:25New York John F Kennedy Intl
7 May
JFK18:30New York John F Kennedy Intl
7h 10m
LHR06:40London Heathrow
£347
British Airways
12 Mar
LHR11:45London Heathrow
12h 45m
1 stop
IAD20:30Washington, D.C. Dulles Intl
16 Mar
IAD16:46Washington, D.C. Dulles Intl
10h 34m
1 stop
LHR07:20London Heathrow
£401
British Airways
15 Apr
LHR17:05London Heathrow
8h 05m
IAD20:10Washington, D.C. Dulles Intl
6 May
IAD22:25Washington, D.C. Dulles Intl
7h 25m
LHR10:50London Heathrow
£402

Scandinavian Airlines flights from London Heathrow Airport to Pennsylvania

Our best Scandinavian Airlines deals on London Heathrow Airport to Pennsylvania flight tickets
Scandinavian Airlines
16 Apr
LHR07:05London Heathrow
13h 35m
1 stop
JFK15:40New York John F Kennedy Intl
23 Apr
JFK18:55New York John F Kennedy Intl
17h 45m
1 stop
LHR17:40London Heathrow
£337
Scandinavian Airlines
13 Apr
LHR19:50London Heathrow
24h 50m
1 stop
JFK15:40New York John F Kennedy Intl
20 Apr
JFK17:10New York John F Kennedy Intl
18h 15m
1 stop
LHR16:25London Heathrow
£339
Scandinavian Airlines
16 Apr
LHR07:05London Heathrow
13h 35m
1 stop
JFK15:40New York John F Kennedy Intl
27 Apr
JFK18:55New York John F Kennedy Intl
17h 45m
1 stop
LHR17:40London Heathrow
£340

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 March 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

Cheapest return flight

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 16/4

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Thu 23/4

18:55-17:40

1 stop17h 45m

£337

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 13/4

19:50-15:40

1 stop24h 50m

New York John F Kennedy Intl

Mon 20/4

17:10-16:25

1 stop18h 15m

£339

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 28/4

16:40-23:30

1 stop11h 50m

New York LaGuardia

Wed 6/5

14:50-06:55

1 stop11h 05m

£342

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sat 18/4

12:15-18:44

1 stop11h 29m

New York LaGuardia

Tue 21/4

14:49-10:40

1 stop14h 51m

£365

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 25/3

11:10-19:03

1 stop11h 53m

New York LaGuardia

Sun 29/3

11:40-06:35

1 stop13h 55m

£383

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 18/4

14:10-12:01

1 stop26h 51m

Washington, D.C. Reagan-National

Sat 25/4

16:10-10:00

1 stop12h 50m

£401

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 15/4

10:30-16:45

1 stop11h 15m

Washington, D.C. Reagan-National

Wed 22/4

17:31-08:30

1 stop9h 59m

£401
Fastest return journey

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 15/4

17:05-20:10

Nonstop8h 05m

Washington, D.C. Dulles Intl

Wed 6/5

22:25-10:50

Nonstop7h 25m

£402

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 1/9

08:40-19:49

1 stop16h 09m

Philadelphia

Tue 15/9

10:20-06:30

1 stop15h 10m

£457

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 4/5

08:40-21:40

1 stop18h 00m

Philadelphia

Mon 11/5

08:25-06:30

1 stop17h 05m

£463

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 £507. If you don’t want to visit Pennsylvania in September, then you should wait until April to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £519.

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 £604. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as £624 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 £627.

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 £518 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

£428

Fastest flight time

7h 40m

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 £428. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £557.
The fastest flight from London Heathrow Airport to Pennsylvania takes 7h 40m
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).
  • 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 £302Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Air CanadaPriceFrom £338Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
IcelandairPriceFrom £385Free CancellationRating
7.1
619 reviews
Search Icelandair flights
LufthansaPriceFrom £412Free CancellationRating
6.8
7,840 reviews
Search Lufthansa flights
JetBluePriceFrom £419Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
British AirwaysPriceFrom £454Free CancellationRating
6.7
7,781 reviews
Search British Airways flights
American AirlinesPriceFrom £455Free CancellationRating
7.1
11,409 reviews
Search American Airlines flights
IberiaPriceFrom £457Free CancellationRating
7.0
3,133 reviews
Search Iberia flights
Virgin AtlanticPriceFrom £459Free CancellationRating
7.5
680 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £460Free CancellationRating
7.6
1,371 reviews
Search Finnair 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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1 adult
Wed 8/4
Wed 15/4

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