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Cheap flights from London Heathrow Airport to Pennsylvania from $381

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 2/24. 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 round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
2:30 pm - 8:52 pm
LHR
-
LGA
11h 22m1 stop
Finnair Logo
7:00 pm - 12:30 pm
LGA
-
LHR
12h 30m1 stop
$505Finnair
Wed, Apr 22 - Sun, Apr 26
Multiple Airlines Logo
6:30 am - 4:09 pm
LHR
-
JFK
14h 39m2 stops
Multiple Airlines Logo
10:05 am - 8:05 am
JFK
-
LHR
17h 00m2 stops
$505Multiple Airlines
Tue, Jan 13 - Sun, Jan 18
Air Canada Logo
11:10 am - 5:58 pm
LHR
-
LGA
11h 48m1 stop
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
$506Air Canada
Fri, Jan 9 - Sat, Jan 17
Air Canada Logo
1:25 pm - 7:02 pm
LHR
-
LGA
10h 37m1 stop
Air Canada Logo
3:20 pm - 7:10 am
LGA
-
LHR
10h 50m1 stop
$507Air Canada
Sun, Jan 18 - Sun, Jan 25
American Airlines Logo
5:00 pm - 8:05 pm
LHR
-
JFK
8h 05mnonstop
American Airlines Logo
11:21 am - 7:20 am
JFK
-
LHR
14h 59m1 stop
$508American Airlines
Thu, Jan 8 - Wed, Jan 14
American Airlines Logo
1:30 pm - 9:00 pm
LHR
-
JFK
12h 30m1 stop
American Airlines Logo
10:15 am - 10:10 pm
JFK
-
LHR
6h 55mnonstop
$509American Airlines
Sun, Jan 18 - Sun, Jan 25
British Airways Logo
7:50 am - 4:35 pm
LHR
-
IAD
12h 45m1 stop
British Airways Logo
5:40 pm - 6:20 am
IAD
-
LHR
7h 40mnonstop
$622British Airways
Mon, Mar 16 - Wed, Apr 8
British Airways Logo
7:35 pm - 9:30 pm
LHR
-
DCA
30h 55m2 stops
British Airways Logo
8:45 pm - 7:00 pm
DCA
-
LHR
17h 15m1 stop
$623British Airways
Sun, Jan 11 - Sat, Jan 17
Iberia Logo
11:00 am - 8:04 pm
LHR
-
DCA
14h 04m1 stop
Iberia Logo
5:59 pm - 12:15 pm
DCA
-
LHR
13h 16m1 stop
$633Iberia
Mon, May 4 - Tue, May 19
Iberia Logo
6:10 am - 5:15 pm
LHR
-
PHL
16h 05m1 stop
Iberia Logo
7:40 pm - 7:50 am
PHL
-
LHR
7h 10mnonstop
$710Iberia
Sun, May 3 - Wed, May 6

Delta flights from London Heathrow Airport to Pennsylvania

Our best Delta deals on London Heathrow Airport to Pennsylvania flight tickets
Delta
Jan 9
LHR4:10 pmLondon Heathrow
8h 35m
JFK7:45 pmNew York John F Kennedy Intl
Jan 13
JFK5:05 pmNew York John F Kennedy Intl
9h 45m
1 stop
LHR7:50 amLondon Heathrow
$506
Find similar
Delta
Jan 8
LHR9:40 amLondon Heathrow
14h 03m
1 stop
JFK6:43 pmNew York John F Kennedy Intl
Jan 15
JFK5:05 pmNew York John F Kennedy Intl
9h 45m
1 stop
LHR7:50 amLondon Heathrow
$512
Find similar
Delta
Jan 8
LHR9:40 amLondon Heathrow
14h 03m
1 stop
JFK6:43 pmNew York John F Kennedy Intl
Jan 14
JFK4:40 pmNew York John F Kennedy Intl
11h 05m
1 stop
LHR8:45 amLondon Heathrow
$513
Find similar

Brussels Airlines flights from London Heathrow Airport to Pennsylvania

Our best Brussels Airlines deals on London Heathrow Airport to Pennsylvania flight tickets
Brussels Airlines
Jan 15
LHR5:50 pmLondon Heathrow
25h 00m
2 stops
JFK1:50 pmNew York John F Kennedy Intl
Jan 19
JFK5:30 pmNew York John F Kennedy Intl
22h 50m
2 stops
LHR9:20 pmLondon Heathrow
$508
Find similar
Brussels Airlines
Dec 27
LHR6:00 pmLondon Heathrow
8h 30m
EWR9:30 pmNewark
Jan 10
EWR8:25 amNewark
7h 10m
LHR8:35 pmLondon Heathrow
$543
Find similar
Brussels Airlines
Mar 16
LHR6:50 amLondon Heathrow
18h 20m
2 stops
JFK9:10 pmNew York John F Kennedy Intl
Mar 20
JFK10:55 pmNew York John F Kennedy Intl
18h 25m
2 stops
LHR9:20 pmLondon Heathrow
$547
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 December 20, 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 4/22

2:30 pm-8:52 pm

1 stop11h 22m

New York LaGuardia

Sun 4/26

7:00 pm-12:30 pm

1 stop12h 30m

$505

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Tue 1/13

6:30 am-4:09 pm

2 stops14h 39m

New York John F Kennedy Intl

Sun 1/18

10:05 am-8:05 am

2 stops17h 00m

$505

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1/9

11:10 am-5:58 pm

1 stop11h 48m

New York LaGuardia

Sat 1/17

3:20 pm-7:10 am

1 stop10h 50m

$506

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Sun 1/18

1:25 pm-7:02 pm

1 stop10h 37m

New York LaGuardia

Sun 1/25

3:20 pm-7:10 am

1 stop10h 50m

$507

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 1/8

5:00 pm-8:05 pm

Nonstop8h 05m

New York John F Kennedy Intl

Wed 1/14

11:21 am-7:20 am

1 stop14h 59m

$508

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Sun 1/18

1:30 pm-9:00 pm

1 stop12h 30m

New York John F Kennedy Intl

Sun 1/25

10:15 am-10:10 pm

Nonstop6h 55m

$509

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 3/16

7:50 am-4:35 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Wed 4/8

5:40 pm-6:20 am

Nonstop7h 40m

$622

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 1/11

7:35 pm-9:30 pm

2 stops30h 55m

Washington, D.C. Reagan-National

Sat 1/17

8:45 pm-7:00 pm

1 stop17h 15m

$623

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 5/4

11:00 am-8:04 pm

1 stop14h 04m

Washington, D.C. Reagan-National

Tue 5/19

5:59 pm-12:15 pm

1 stop13h 16m

$633

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sun 5/3

6:10 am-5:15 pm

1 stop16h 05m

Philadelphia

Wed 5/6

7:40 pm-7:50 am

Nonstop7h 10m

$710

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 $634. 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 $668.

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 $770. 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 Sunday because tickets tend to average around $903. 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 $823.

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 $757 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 $686 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.

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

$462

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 $462. The best round-trip flight deal from London Heathrow Airport to Pennsylvania found on momondo in the last 72 hours is $770.
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).
Search flight deals

  • 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
3,055 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.7
7,595 reviews
Search British Airways flights
American AirlinesPriceFrom $592Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
FinnairPriceFrom $642Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
Aer LingusPriceFrom $670Free CancellationRating
7.2
1,404 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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