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Cheap flights from London Heathrow Airport to Pennsylvania from £286

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 16/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Finnair Logo
12:15 - 21:43
LHR
-
LGA
14h 28m1 stop
Finnair Logo
17:45 - 07:50
LGA
-
LHR
9h 05m1 stop
£378Finnair
Wed, 15 Apr - Mon, 20 Apr
Iberia Logo
10:45 - 19:15
LHR
-
JFK
13h 30m1 stop
Iberia Logo
21:50 - 09:40
JFK
-
LHR
6h 50mdirect
£378Iberia
Sat, 17 Jan - Sat, 24 Jan
Finnair Logo
11:00 - 18:25
LHR
-
LGA
12h 25m1 stop
Finnair Logo
17:17 - 06:55
LGA
-
LHR
32h 38m1 stop
£378Finnair
Wed, 22 Apr - Sun, 26 Apr
Air Canada Logo
13:25 - 22:33
LHR
-
LGA
14h 08m2 stops
Air Canada Logo
15:20 - 07:10
LGA
-
LHR
10h 50m1 stop
£381Air Canada
Tue, 13 Jan - Tue, 20 Jan
British Airways Logo
13:30 - 21:12
LHR
-
LGA
12h 42m1 stop
British Airways Logo
16:05 - 06:30
LGA
-
LHR
9h 25m1 stop
£382British Airways
Mon, 23 Feb - Wed, 4 Mar
United Airlines Logo
16:20 - 23:43
LHR
-
LGA
12h 23m1 stop
United Airlines Logo
14:32 - 06:55
LGA
-
LHR
11h 23m1 stop
£383United Airlines
Sat, 31 Jan - Wed, 15 Apr
United Airlines Logo
13:25 - 21:33
LHR
-
LGA
13h 08m1 stop
United Airlines Logo
15:20 - 07:10
LGA
-
LHR
10h 50m1 stop
£384United Airlines
Sat, 17 Jan - Sat, 24 Jan
Air Canada Logo
11:10 - 20:58
LHR
-
JFK
14h 48m2 stops
Air Canada Logo
16:50 - 08:30
JFK
-
LHR
10h 40m1 stop
£384Air Canada
Sat, 17 Jan - Sat, 24 Jan
British Airways Logo
09:50 - 21:29
LHR
-
LGA
16h 39m2 stops
British Airways Logo
17:45 - 09:15
LGA
-
LHR
10h 30m1 stop
£385British Airways
Thu, 22 Jan - Thu, 29 Jan
Iberia Logo
17:00 - 17:08
LHR
-
DCA
29h 08m1 stop
Iberia Logo
17:00 - 07:45
DCA
-
LHR
9h 45m1 stop
£471Iberia
Wed, 7 Jan - Tue, 31 Mar

American Airlines flights from London Heathrow Airport to Pennsylvania

Our best American Airlines deals on London Heathrow Airport to Pennsylvania flight tickets
American Airlines
26 Jan
LHR10:35London Heathrow
8h 00m
JFK13:35New York John F Kennedy Intl
24 Mar
JFK13:59New York John F Kennedy Intl
13h 01m
1 stop
LHR07:00London Heathrow
£382
Find similar
American Airlines
2 Feb
LHR10:05London Heathrow
8h 00m
JFK13:05New York John F Kennedy Intl
28 Feb
JFK23:20New York John F Kennedy Intl
6h 55m
LHR11:15London Heathrow
£393
Find similar
American Airlines
8 Jan
LHR17:00London Heathrow
8h 05m
JFK20:05New York John F Kennedy Intl
18 Jan
JFK21:40New York John F Kennedy Intl
28h 20m
1 stop
LHR07:00London Heathrow
£396
Find similar

Iberia flights from London Heathrow Airport to Pennsylvania

Our best Iberia deals on London Heathrow Airport to Pennsylvania flight tickets
Iberia
30 Jan
LHR11:25London Heathrow
12h 50m
1 stop
JFK19:15New York John F Kennedy Intl
3 Feb
JFK21:50New York John F Kennedy Intl
6h 50m
LHR09:40London Heathrow
£387
Find similar
Iberia
15 Jan
LHR11:25London Heathrow
12h 50m
1 stop
JFK19:15New York John F Kennedy Intl
22 Jan
JFK21:50New York John F Kennedy Intl
6h 50m
LHR09:40London Heathrow
£393
Find similar
Iberia
15 Jan
LHR11:25London Heathrow
12h 50m
1 stop
JFK19:15New York John F Kennedy Intl
22 Jan
JFK21:50New York John F Kennedy Intl
6h 50m
LHR09:40London Heathrow
£394
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 18 December 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 - LGA

LHRLGA

London Heathrow

Wed 15/4

12:15-21:43

1 stop14h 28m

New York LaGuardia

Mon 20/4

17:45-07:50

1 stop9h 05m

£378

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 17/1

10:45-19:15

1 stop13h 30m

New York John F Kennedy Intl

Sat 24/1

21:50-09:40

Nonstop6h 50m

£378

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 22/4

11:00-18:25

1 stop12h 25m

New York LaGuardia

Sun 26/4

17:17-06:55

1 stop32h 38m

£378

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 13/1

13:25-22:33

2 stops14h 08m

New York LaGuardia

Tue 20/1

15:20-07:10

1 stop10h 50m

£381

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 23/2

13:30-21:12

1 stop12h 42m

New York LaGuardia

Wed 4/3

16:05-06:30

1 stop9h 25m

£382

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sat 31/1

16:20-23:43

1 stop12h 23m

New York LaGuardia

Wed 15/4

14:32-06:55

1 stop11h 23m

£383

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sat 17/1

13:25-21:33

1 stop13h 08m

New York LaGuardia

Sat 24/1

15:20-07:10

1 stop10h 50m

£384

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sat 17/1

11:10-20:58

2 stops14h 48m

New York John F Kennedy Intl

Sat 24/1

16:50-08:30

1 stop10h 40m

£384

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 22/1

09:50-21:29

2 stops16h 39m

New York LaGuardia

Thu 29/1

17:45-09:15

1 stop10h 30m

£385

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 7/1

17:00-17:08

1 stop29h 08m

Washington, D.C. Reagan-National

Tue 31/3

17:00-07:45

1 stop9h 45m

£471

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £474. 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 £499.

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 £648.

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 £500 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 £625.

What is the cheapest London Heathrow to Pennsylvania flight route?

Fly from London Heathrow to Pittsburgh 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 £566 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 £513 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 9% 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 44m

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 £567.
The fastest flight from London Heathrow Airport to Pennsylvania takes 7h 44m
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).
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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 £303Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Air CanadaPriceFrom £339Free CancellationRating
7.1
10,536 reviews
Search Air Canada flights
IcelandairPriceFrom £387Free CancellationRating
7.0
591 reviews
Search Icelandair flights
JetBluePriceFrom £402Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
LufthansaPriceFrom £403Free CancellationRating
6.8
7,637 reviews
Search Lufthansa flights
British AirwaysPriceFrom £438Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
FinnairPriceFrom £447Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
American AirlinesPriceFrom £454Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
IberiaPriceFrom £455Free CancellationRating
7.0
3,054 reviews
Search Iberia flights
Virgin AtlanticPriceFrom £460Free CancellationRating
7.5
675 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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