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Cheap flights from London Heathrow Airport to Pennsylvania from $335

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 11/25. 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 round-trip flights

Aer Lingus Logo
9:50 am - 4:50 pmLHR-JFK
12h 00m1 stop
Aer Lingus Logo
6:25 pm - 9:05 amJFK-LHR
9h 40m1 stop
$420Aer Lingus
Find Deal
mié., oct. 15 - mié., oct. 22
Multiple Airlines Logo
6:35 am - 3:40 pmLHR-JFK
14h 05m1 stop
Multiple Airlines Logo
4:25 pm - 8:05 amJFK-LHR
10h 40m1 stop
$421Multiple Airlines
Find Deal
vie., nov. 7 - sáb., nov. 29
SWISS Logo
9:00 am - 5:40 pmLHR-JFK
12h 40m1 stop
SWISS Logo
4:25 pm - 8:05 amJFK-LHR
10h 40m1 stop
$422SWISS
Find Deal
mié., oct. 29 - mié., nov. 5
Iberia Logo
8:55 am - 4:29 pmLHR-JFK
12h 34m1 stop
Iberia Logo
9:45 am - 9:40 pmJFK-LHR
6h 55mnonstop
$431Iberia
Find Deal
mié., oct. 15 - mié., oct. 22
British Airways Logo
4:30 pm - 8:35 pmLHR-EWR
8h 05mnonstop
British Airways Logo
9:35 pm - 9:30 amEWR-LHR
6h 55mnonstop
$475British Airways
Find Deal
vie., oct. 31 - vie., nov. 7
British Airways Logo
4:30 pm - 7:35 pmLHR-EWR
8h 05mnonstop
British Airways Logo
6:30 pm - 6:25 amEWR-LHR
6h 55mnonstop
$476British Airways
Find Deal
mié., nov. 12 - lun., nov. 17
Finnair Logo
1:30 pm - 8:24 pmLHR-DCA
11h 54m1 stop
Finnair Logo
6:59 am - 7:00 amDCA-LHR
20h 01m1 stop
$557Finnair
Find Deal
jue., mar. 5 - jue., mar. 12
Finnair Logo
3:35 pm - 10:57 pmLHR-DCA
11h 22m1 stop
Finnair Logo
3:59 pm - 9:20 amDCA-LHR
12h 21m1 stop
$558Finnair
Find Deal
vie., oct. 31 - lun., nov. 3
American Airlines Logo
5:05 pm - 8:15 pmLHR-IAD
8h 10mnonstop
American Airlines Logo
7:25 pm - 7:45 amIAD-LHR
7h 20mnonstop
$564American Airlines
Find Deal
sáb., sep. 27 - mar., sep. 30
American Airlines Logo
4:25 pm - 7:55 pmLHR-IAD
8h 30mnonstop
American Airlines Logo
9:45 pm - 10:00 amIAD-LHR
7h 15mnonstop
$565American Airlines
Find Deal
vie., nov. 21 - jue., dic. 11

Aer Lingus flights from London Heathrow Airport to Pennsylvania

Our best Aer Lingus deals on London Heathrow Airport to Pennsylvania flight tickets
Aer Lingus
Oct 15
LHR9:50 amLondon Heathrow
12h 00m
1 stop
JFK4:50 pmNew York John F Kennedy Intl
Oct 22
JFK6:25 pmNew York John F Kennedy Intl
9h 40m
1 stop
LHR9:05 amLondon Heathrow
$420
Find similar
Aer Lingus
Nov 3
LHR10:00 amLondon Heathrow
11h 25m
1 stop
JFK4:25 pmNew York John F Kennedy Intl
Nov 10
JFK6:30 pmNew York John F Kennedy Intl
9h 45m
1 stop
LHR9:15 amLondon Heathrow
$424
Find similar
Aer Lingus
Oct 31
LHR12:10 pmLondon Heathrow
12h 15m
1 stop
JFK8:25 pmNew York John F Kennedy Intl
Nov 9
JFK5:00 pmNew York John F Kennedy Intl
10h 05m
1 stop
LHR8:05 amLondon Heathrow
$428
Find similar

Delta flights from London Heathrow Airport to Pennsylvania

Our best Delta deals on London Heathrow Airport to Pennsylvania flight tickets
Delta
Sep 23
LHR9:55 amLondon Heathrow
10h 30m
1 stop
JFK3:25 pmNew York John F Kennedy Intl
Sep 29
JFK8:30 pmNew York John F Kennedy Intl
7h 20m
LHR8:50 amLondon Heathrow
$467
Find similar
Delta
Sep 23
LHR9:55 amLondon Heathrow
10h 30m
1 stop
JFK3:25 pmNew York John F Kennedy Intl
Oct 7
JFK10:45 pmNew York John F Kennedy Intl
7h 15m
LHR11:00 amLondon Heathrow
$468
Find similar
Delta
Oct 2
LHR6:30 amLondon Heathrow
12h 00m
1 stop
JFK1:30 pmNew York John F Kennedy Intl
Oct 10
JFK11:25 pmNew York John F Kennedy Intl
7h 00m
LHR11:25 amLondon Heathrow
$469
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated septiembre 17, 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

mié. 10/15

9:50 am-4:50 pm

1 stop12h 00m

New York John F Kennedy Intl

mié. 10/22

6:25 pm-9:05 am

1 stop9h 40m

$420

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

vie. 11/7

6:35 am-3:40 pm

1 stop14h 05m

New York John F Kennedy Intl

sáb. 11/29

4:25 pm-8:05 am

1 stop10h 40m

$421

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

mié. 10/29

9:00 am-5:40 pm

1 stop12h 40m

New York John F Kennedy Intl

mié. 11/5

4:25 pm-8:05 am

1 stop10h 40m

$422

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

mié. 10/15

8:55 am-4:29 pm

1 stop12h 34m

New York John F Kennedy Intl

mié. 10/22

9:45 am-9:40 pm

Nonstop6h 55m

$431

LondonNewark

LHR - EWR

LHREWR

London Heathrow

vie. 10/31

4:30 pm-8:35 pm

Nonstop8h 05m

Newark

vie. 11/7

9:35 pm-9:30 am

Nonstop6h 55m

$475

LondonNewark

LHR - EWR

LHREWR

London Heathrow

mié. 11/12

4:30 pm-7:35 pm

Nonstop8h 05m

Newark

lun. 11/17

6:30 pm-6:25 am

Nonstop6h 55m

$476

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

jue. 3/5

1:30 pm-8:24 pm

1 stop11h 54m

Washington, D.C. Reagan-National

jue. 3/12

6:59 am-7:00 am

1 stop20h 01m

$557

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

vie. 10/31

3:35 pm-10:57 pm

1 stop11h 22m

Washington, D.C. Reagan-National

lun. 11/3

3:59 pm-9:20 am

1 stop12h 21m

$558

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

sáb. 9/27

5:05 pm-8:15 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

mar. 9/30

7:25 pm-7:45 am

Nonstop7h 20m

$564

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

vie. 11/21

4:25 pm-7:55 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

jue. 12/11

9:45 pm-10:00 am

Nonstop7h 15m

$565

Flights are sorted by cheapest round-trip 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?

The month of March is, on average, the cheapest month to fly to Pennsylvania from London Heathrow Airport, with most prices found around $635. 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 $669.

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

The cheapest day to depart on your flight to Pennsylvania is on a Tuesday when prices can be found for as low as $748. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $891. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

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

Our most recent data shows that the best time of day to fly to Pennsylvania is in the evening. Flights from London Heathrow Airport to Pennsylvania during this time can be as low as $472. In contrast, the most expensive time of day to depart to Pennsylvania is in the morning when prices are around $825.

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 $756 when searching weeks out. 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 $695 on momondo.

What cabin class options are available on London Heathrow to Pennsylvania flights?

There are 4 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

$730

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 $730. The best round-trip flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is $630.
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 required travel and health documents for your Pennsylvania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pennsylvania. We recommend that you seek guidance from your airline or a reliable 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
IberiaPriceFrom $559Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom $642Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
Aer LingusPriceFrom $670Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Pennsylvania?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Pennsylvania for you.

Can I find flights from London to Pennsylvania with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Pennsylvania from London with this policy.

How can momondo help me find flights from London to Pennsylvania?

Once all potential London to Pennsylvania flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Pennsylvania right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Pennsylvania now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pennsylvania and let you know when they change.

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1 adult
vie. 10/17
vie. 10/24
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