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Cheap flights from London Heathrow Airport to Pennsylvania from $347

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 2/9. 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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Find the cheapest flights from London Heathrow Airport to Pennsylvania

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
12:15 pm - 6:00 pmLHR-JFK
10h 45m1 stop
Icelandair Logo
7:25 pm - 10:50 amJFK-LHR
10h 25m1 stop
$453Icelandair
Find Deal
Wed, Nov 26 - Wed, Dec 3
Icelandair Logo
12:15 pm - 6:25 pmLHR-EWR
11h 10m1 stop
Icelandair Logo
7:35 pm - 10:50 amEWR-LHR
10h 15m1 stop
$453Icelandair
Find Deal
Wed, Nov 26 - Wed, Dec 3
TAP AIR PORTUGAL Logo
8:15 am - 10:10 pmLHR-EWR
18h 55m1 stop
TAP AIR PORTUGAL Logo
5:40 pm - 12:40 pmEWR-LHR
14h 00m1 stop
$463TAP AIR PORTUGAL
Find Deal
Fri, Jan 16 - Wed, Jan 21
TAP AIR PORTUGAL Logo
8:15 am - 8:05 pmLHR-JFK
16h 50m1 stop
TAP AIR PORTUGAL Logo
10:00 pm - 9:35 pmJFK-LHR
18h 35m1 stop
$467TAP AIR PORTUGAL
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Thu, Feb 12 - Tue, Feb 17
Finnair Logo
11:45 am - 7:47 pmLHR-LGA
13h 02m1 stop
Finnair Logo
3:14 pm - 7:20 amLGA-LHR
11h 06m1 stop
$551Finnair
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Tue, Dec 2 - Tue, Dec 9
Finnair Logo
9:55 am - 6:00 pmLHR-LGA
13h 05m1 stop
Finnair Logo
5:30 pm - 10:25 amLGA-LHR
11h 55m1 stop
$557Finnair
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Wed, Dec 3 - Thu, Dec 11
British Airways Logo
7:30 am - 9:29 pmLHR-LGA
18h 59m2 stops
British Airways Logo
4:05 pm - 9:15 amLGA-LHR
12h 10m1 stop
$562British Airways
Find Deal
Tue, Feb 10 - Mon, Feb 16
British Airways Logo
7:40 pm - 9:29 pmLHR-LGA
30h 49m2 stops
British Airways Logo
1:05 pm - 9:40 amLGA-LHR
15h 35m1 stop
$572British Airways
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Mon, Feb 9 - Wed, Feb 18
American Airlines Logo
7:50 am - 2:00 pmLHR-PHL
11h 10m1 stop
American Airlines Logo
9:20 pm - 1:25 pmPHL-LHR
11h 05m1 stop
$669American Airlines
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Mon, Dec 8 - Mon, Dec 15
American Airlines Logo
7:50 am - 2:00 pmLHR-PHL
11h 10m1 stop
American Airlines Logo
7:50 pm - 7:50 amPHL-LHR
7h 00mnonstop
$673American Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15

Icelandair flights from London Heathrow Airport to Pennsylvania

Our best Icelandair deals on London Heathrow Airport to Pennsylvania flight tickets
Icelandair
Nov 26
LHR12:15 pmLondon Heathrow
10h 45m
1 stop
JFK6:00 pmNew York John F Kennedy Intl
Dec 3
JFK7:25 pmNew York John F Kennedy Intl
10h 25m
1 stop
LHR10:50 amLondon Heathrow
$453
Find similar
Icelandair
Nov 26
LHR12:15 pmLondon Heathrow
10h 45m
1 stop
JFK6:00 pmNew York John F Kennedy Intl
Dec 3
JFK7:25 pmNew York John F Kennedy Intl
19h 05m
1 stop
LHR7:30 pmLondon Heathrow
$454
Find similar
Icelandair
Nov 25
LHR8:35 pmLondon Heathrow
26h 25m
1 stop
JFK6:00 pmNew York John F Kennedy Intl
Dec 2
JFK7:25 pmNew York John F Kennedy Intl
10h 25m
1 stop
LHR10:50 amLondon Heathrow
$455
Find similar

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
Jan 16
LHR8:15 amLondon Heathrow
18h 55m
1 stop
EWR10:10 pmNewark
Jan 21
EWR5:40 pmNewark
14h 00m
1 stop
LHR12:40 pmLondon Heathrow
$463
Find similar
TAP AIR PORTUGAL
Feb 12
LHR8:15 amLondon Heathrow
16h 50m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
Feb 17
JFK10:00 pmNew York John F Kennedy Intl
18h 35m
1 stop
LHR9:35 pmLondon Heathrow
$467
Find similar
TAP AIR PORTUGAL
Jan 13
LHR8:15 amLondon Heathrow
16h 50m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
Feb 10
JFK10:00 pmNew York John F Kennedy Intl
14h 30m
1 stop
LHR5:30 pmLondon Heathrow
$468
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 November 3, 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

Wed 11/26

12:15 pm-6:00 pm

1 stop10h 45m

New York John F Kennedy Intl

Wed 12/3

7:25 pm-10:50 am

1 stop10h 25m

$453

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 11/26

12:15 pm-6:25 pm

1 stop11h 10m

Newark

Wed 12/3

7:35 pm-10:50 am

1 stop10h 15m

$453

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Fri 1/16

8:15 am-10:10 pm

1 stop18h 55m

Newark

Wed 1/21

5:40 pm-12:40 pm

1 stop14h 00m

$463

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 2/12

8:15 am-8:05 pm

1 stop16h 50m

New York John F Kennedy Intl

Tue 2/17

10:00 pm-9:35 pm

1 stop18h 35m

$467

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 12/2

11:45 am-7:47 pm

1 stop13h 02m

New York LaGuardia

Tue 12/9

3:14 pm-7:20 am

1 stop11h 06m

$551

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 12/3

9:55 am-6:00 pm

1 stop13h 05m

New York LaGuardia

Thu 12/11

5:30 pm-10:25 am

1 stop11h 55m

$557

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 2/10

7:30 am-9:29 pm

2 stops18h 59m

New York LaGuardia

Mon 2/16

4:05 pm-9:15 am

1 stop12h 10m

$562

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Mon 2/9

7:40 pm-9:29 pm

2 stops30h 49m

New York LaGuardia

Wed 2/18

1:05 pm-9:40 am

1 stop15h 35m

$572

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 12/8

7:50 am-2:00 pm

1 stop11h 10m

Philadelphia

Mon 12/15

9:20 pm-1:25 pm

1 stop11h 05m

$669

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 12/8

7:50 am-2:00 pm

1 stop11h 10m

Philadelphia

Mon 12/15

7:50 pm-7:50 am

Nonstop7h 00m

$673

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 $673.

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 Thursday when prices can be found for as low as $769. 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 $886. 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 $820.

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 $765 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 $679 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?

You could potentially save up to 6% 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

$572

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 $572. The best round-trip flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is $723.
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
3,006 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
American AirlinesPriceFrom $597Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
FinnairPriceFrom $642Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
Aer LingusPriceFrom $670Free CancellationRating
7.2
1,365 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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