Cheap flights from London Heathrow Airport to Pennsylvania from £266

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 22/4. 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
17:10 - 14:35
JFK
-
LHR
16h 25m
1 stop
£327Scandinavian Airlines
Fri, 17 Apr - Sun, 19 Apr
Icelandair Logo
13:05 - 22:05
LHR
-
JFK
14h 00m
1 stop
Icelandair Logo
20:30 - 11:55
JFK
-
LHR
10h 25m
1 stop
£328Icelandair
Thu, 16 Apr - Fri, 24 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
£384United Airlines
Fri, 24 Apr - Fri, 1 May
Iberia Logo
06:15 - 15:30
LHR
-
IAD
14h 15m
1 stop
Iberia Logo
17:40 - 06:20
IAD
-
LHR
7h 40mdirect
£391Iberia
Wed, 15 Apr - Wed, 29 Apr
Iberia Logo
06:15 - 15:30
LHR
-
IAD
14h 15m
1 stop
Iberia Logo
17:40 - 06:20
IAD
-
LHR
7h 40mdirect
£393Iberia
Wed, 15 Apr - Wed, 6 May
British Airways Logo
17:05 - 20:10
LHR
-
IAD
8h 05mdirect
British Airways Logo
19:15 - 07:45
IAD
-
LHR
7h 30mdirect
£395British Airways
Tue, 31 Mar - Mon, 6 Apr
Finnair Logo
17:05 - 20:20
LHR
-
IAD
8h 15mdirect
Finnair Logo
19:15 - 07:45
IAD
-
LHR
7h 30mdirect
£395Finnair
Tue, 21 Apr - Thu, 30 Apr
British Airways Logo
06:15 - 15:30
LHR
-
IAD
14h 15m
1 stop
British Airways Logo
19:15 - 07:45
IAD
-
LHR
7h 30mdirect
£396British Airways
Wed, 15 Apr - Wed, 6 May
Finnair Logo
20:35 - 22:29
LHR
-
DCA
30h 54m
2 stops
Finnair Logo
17:31 - 06:25
DCA
-
LHR
31h 54m
1 stop
£400Finnair
Mon, 27 Apr - Wed, 6 May
United Airlines Logo
08:00 - 18:12
LHR
-
DCA
15h 12m
1 stop
United Airlines Logo
13:00 - 08:30
DCA
-
LHR
14h 30m
1 stop
£403United Airlines
Mon, 15 Jun - Mon, 29 Jun

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
4 Mar
LHR20:35London Heathrow
26h 25m
1 stop
JFK18:00New York John F Kennedy Intl
24 Mar
JFK20:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£325
Icelandair
27 Feb
LHR12:15London Heathrow
10h 45m
1 stop
JFK18:00New York John F Kennedy Intl
3 Mar
JFK19:25New York John F Kennedy Intl
10h 25m
1 stop
LHR10:50London Heathrow
£326
Icelandair
16 Apr
LHR13:05London Heathrow
14h 00m
1 stop
JFK22:05New York John F Kennedy Intl
24 Apr
JFK20:30New York John F Kennedy Intl
10h 25m
1 stop
LHR11:55London Heathrow
£328

Scandinavian Airlines flights from London Heathrow Airport to Pennsylvania

Our best Scandinavian Airlines deals on London Heathrow Airport to Pennsylvania flight tickets
Scandinavian Airlines
13 Apr
LHR19:50London Heathrow
24h 50m
1 stop
JFK15:40New York John F Kennedy Intl
19 Apr
JFK17:10New York John F Kennedy Intl
18h 15m
1 stop
LHR16:25London Heathrow
£329
Scandinavian Airlines
14 Apr
LHR07:05London Heathrow
13h 35m
1 stop
JFK15:40New York John F Kennedy Intl
21 Apr
JFK17:10New York John F Kennedy Intl
11h 25m
1 stop
LHR09:35London Heathrow
£334
Scandinavian Airlines
9 Mar
LHR17:00London Heathrow
27h 45m
1 stop
JFK16:45New York John F Kennedy Intl
7 May
JFK17:10New York John F Kennedy Intl
16h 25m
1 stop
LHR14:35London Heathrow
£336

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 23 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

Fri 17/4

07:05-15:40

1 stop13h 35m

New York John F Kennedy Intl

Sun 19/4

17:10-14:35

1 stop16h 25m

£327

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 16/4

13:05-22:05

1 stop14h 00m

New York John F Kennedy Intl

Fri 24/4

20:30-11:55

1 stop10h 25m

£328

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 24/4

16:40-23:30

1 stop11h 50m

New York LaGuardia

Fri 1/5

14:50-06:55

1 stop11h 05m

£384

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 15/4

06:15-15:30

1 stop14h 15m

Washington, D.C. Dulles Intl

Wed 29/4

17:40-06:20

Nonstop7h 40m

£391

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 15/4

06:15-15:30

1 stop14h 15m

Washington, D.C. Dulles Intl

Wed 6/5

17:40-06:20

Nonstop7h 40m

£393

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 31/3

17:05-20:10

Nonstop8h 05m

Washington, D.C. Dulles Intl

Mon 6/4

19:15-07:45

Nonstop7h 30m

£395

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 21/4

17:05-20:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Thu 30/4

19:15-07:45

Nonstop7h 30m

£395

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 15/4

06:15-15:30

1 stop14h 15m

Washington, D.C. Dulles Intl

Wed 6/5

19:15-07:45

Nonstop7h 30m

£396

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 27/4

20:35-22:29

2 stops30h 54m

Washington, D.C. Reagan-National

Wed 6/5

17:31-06:25

1 stop31h 54m

£400

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 15/6

08:00-18:12

1 stop15h 12m

Washington, D.C. Reagan-National

Mon 29/6

13:00-08:30

1 stop14h 30m

£403

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 March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £522.

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 £599. 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 £656.

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 £621 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 £623.

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 £572 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?

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

£391

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 £391. The best return flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is £521.
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 £300Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
Air CanadaPriceFrom £336Free CancellationRating
7.1
10,742 reviews
Search Air Canada flights
IcelandairPriceFrom £383Free CancellationRating
7.1
617 reviews
Search Icelandair flights
LufthansaPriceFrom £410Free CancellationRating
6.8
7,808 reviews
Search Lufthansa flights
JetBluePriceFrom £417Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
FinnairPriceFrom £447Free CancellationRating
7.6
1,367 reviews
Search Finnair flights
British AirwaysPriceFrom £449Free CancellationRating
6.7
7,762 reviews
Search British Airways flights
American AirlinesPriceFrom £452Free CancellationRating
7.2
11,342 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom £457Free CancellationRating
7.5
679 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £462Free CancellationRating
7.2
1,463 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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Wed 25/3
Wed 1/4

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