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Cheap flights from London to Pennsylvania from $344

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 to Pennsylvania departing on 2/18. 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 round-trip flights

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Norse Atlantic UK Logo
1:05 pm - 3:55 pmLGW-JFK
7h 50mnonstop
Norse Atlantic UK Logo
6:20 pm - 6:20 amJFK-LGW
7h 00mnonstop
$428Norse Atlantic UK
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Tue, Apr 21 - Wed, Apr 29
Multiple Airlines Logo
9:50 am - 10:00 pmLGW-JFK
16h 10m1 stop
Multiple Airlines Logo
7:05 pm - 6:00 amJFK-LGW
6h 55mnonstop
$429Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
TAP AIR PORTUGAL Logo
10:45 am - 10:00 pmLGW-EWR
16h 15m1 stop
TAP AIR PORTUGAL Logo
12:15 am - 8:50 amEWR-LGW
27h 35m1 stop
$445TAP AIR PORTUGAL
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Fri, Jan 16 - Mon, Jan 19
TAP AIR PORTUGAL Logo
10:10 am - 10:00 pmLGW-EWR
16h 50m1 stop
TAP AIR PORTUGAL Logo
5:40 pm - 9:50 amEWR-LGW
11h 10m1 stop
$452TAP AIR PORTUGAL
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Sat, Jan 17 - Tue, Jan 20
Icelandair Logo
12:15 pm - 6:25 pmLHR-EWR
11h 10m1 stop
Icelandair Logo
7:35 pm - 7:30 pmEWR-LHR
18h 55m1 stop
$468Icelandair
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Wed, Nov 12 - Wed, Nov 19
Icelandair Logo
12:15 pm - 6:25 pmLHR-EWR
11h 10m1 stop
Icelandair Logo
7:35 pm - 10:50 amEWR-LHR
10h 15m1 stop
$473Icelandair
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Thu, Nov 13 - Sun, Nov 23
LEVEL Logo
6:50 pm - 10:00 pmLHR-JFK
32h 10m1 stop
LEVEL Logo
11:45 pm - 6:00 pmJFK-LHR
13h 15m1 stop
$480LEVEL
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Thu, Jan 15 - Wed, Jan 21
LEVEL Logo
9:55 am - 10:00 pmLHR-JFK
17h 05m1 stop
LEVEL Logo
11:45 pm - 9:10 amJFK-LHR
28h 25m1 stop
$482LEVEL
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Mon, Jan 12 - Mon, Jan 19
Scandinavian Airlines Logo
5:30 pm - 1:25 pmLHR-EWR
24h 55m1 stop
Scandinavian Airlines Logo
5:40 pm - 5:00 pmEWR-LHR
18h 20m1 stop
$509Scandinavian Airlines
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Wed, Feb 11 - Sun, Feb 15
Scandinavian Airlines Logo
9:05 pm - 1:35 pmLHR-EWR
21h 30m1 stop
Scandinavian Airlines Logo
6:30 pm - 2:35 pmEWR-LHR
15h 05m1 stop
$511Scandinavian Airlines
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Tue, Dec 16 - Sun, Jan 18

ITA Airways flights from London to Pennsylvania

Our best ITA Airways deals on London to Pennsylvania flight tickets
ITA Airways
Jan 15
LCY8:25 amLondon City
15h 30m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Jan 19
JFK4:45 pmNew York John F Kennedy Intl
13h 10m
1 stop
LCY10:55 amLondon City
$545
Find similar
ITA Airways
Jan 14
LCY8:25 amLondon City
15h 30m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Jan 26
JFK4:45 pmNew York John F Kennedy Intl
13h 10m
1 stop
LCY10:55 amLondon City
$547
Find similar
ITA Airways
Nov 12
LCY8:25 amLondon City
15h 30m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
Nov 17
JFK4:45 pmNew York John F Kennedy Intl
13h 10m
1 stop
LCY10:55 amLondon City
$548
Find similar

Lufthansa flights from London to Pennsylvania

Our best Lufthansa deals on London to Pennsylvania flight tickets
Lufthansa
Mar 11
LCY9:50 amLondon City
15h 20m
1 stop
JFK9:10 pmNew York John F Kennedy Intl
Mar 18
JFK4:55 pmNew York John F Kennedy Intl
12h 10m
1 stop
LCY9:05 amLondon City
$562
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Lufthansa
Mar 11
LCY9:50 amLondon City
15h 20m
1 stop
JFK9:10 pmNew York John F Kennedy Intl
Mar 18
JFK4:55 pmNew York John F Kennedy Intl
12h 10m
1 stop
LCY9:05 amLondon City
$569
Find similar
Lufthansa
Nov 10
LCY9:50 amLondon City
11h 10m
1 stop
EWR4:00 pmNewark
Nov 17
EWR6:05 pmNewark
10h 10m
1 stop
LCY9:15 amLondon City
$622
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 October 30, 2025.
Use the filters below to find and compare flights from London to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 4/21

1:05 pm-3:55 pm

Nonstop7h 50m

New York John F Kennedy Intl

Wed 4/29

6:20 pm-6:20 am

Nonstop7h 00m

$428

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Wed 3/11

9:50 am-10:00 pm

1 stop16h 10m

New York John F Kennedy Intl

Wed 3/18

7:05 pm-6:00 am

Nonstop6h 55m

$429

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Fri 1/16

10:45 am-10:00 pm

1 stop16h 15m

Newark

Mon 1/19

12:15 am-8:50 am

1 stop27h 35m

$445

LondonNewark

LGW - EWR

LGWEWR

London Gatwick

Sat 1/17

10:10 am-10:00 pm

1 stop16h 50m

Newark

Tue 1/20

5:40 pm-9:50 am

1 stop11h 10m

$452

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 11/12

12:15 pm-6:25 pm

1 stop11h 10m

Newark

Wed 11/19

7:35 pm-7:30 pm

1 stop18h 55m

$468

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Thu 11/13

12:15 pm-6:25 pm

1 stop11h 10m

Newark

Sun 11/23

7:35 pm-10:50 am

1 stop10h 15m

$473

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 1/15

6:50 pm-10:00 pm

1 stop32h 10m

New York John F Kennedy Intl

Wed 1/21

11:45 pm-6:00 pm

1 stop13h 15m

$480

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Mon 1/12

9:55 am-10:00 pm

1 stop17h 05m

New York John F Kennedy Intl

Mon 1/19

11:45 pm-9:10 am

1 stop28h 25m

$482

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Wed 2/11

5:30 pm-1:25 pm

1 stop24h 55m

Newark

Sun 2/15

5:40 pm-5:00 pm

1 stop18h 20m

$509

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Tue 12/16

9:05 pm-1:35 pm

1 stop21h 30m

Newark

Sun 1/18

6:30 pm-2:35 pm

1 stop15h 05m

$511

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 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 February is, on average, the cheapest month to fly to Pennsylvania from London, with most prices found around $665. If you don’t want to visit Pennsylvania in February, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of $670.

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 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 to Pennsylvania flight route?

Fly from London Heathrow to Philadelphia for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $764 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from London for as low as $679 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to Pennsylvania flights?

No. A direct flight is the cheapest option for a flight between London to Pennsylvania.

Cheap London to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Pennsylvania

Best Price Found

$572

Fastest flight time

7h 45m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Pennsylvania

2 airports
The best one-way flight to Pennsylvania from London in the past 72 hours is $572. The best round-trip flight deal from London to Pennsylvania found on momondo in the last 72 hours is $730.
The fastest flight from London to Pennsylvania takes 7h 45m
Direct flights go from London to Pennsylvania on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There are 2 airports near Pennsylvania: Newark (EWR), New York John F Kennedy Intl (JFK)
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  • When did momondo last update prices for flights from London to Pennsylvania?

    Prices for flights from London to Pennsylvania refresh daily.

  • How many operators does momondo search for flights from London to Pennsylvania?

  • How old do you have to be to fly from London to Pennsylvania?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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 to Pennsylvania?

Best airlines flying from London to Pennsylvania

Compare and see reviews for airlines that fly from London to Pennsylvania with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom $559Free CancellationRating
7.0
3,001 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
American AirlinesPriceFrom $597Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
FinnairPriceFrom $642Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
Aer LingusPriceFrom $670Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights

Why use momondo?

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

It is quick and easy to find London to Pennsylvania flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pennsylvania that suits you.

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

Yes. All flights to Pennsylvania from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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.

An easier way to manage your Pennsylvania trip

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