How long is the flight from London to Pennsylvania?

Virgin Atlantic, Air Europa, and Delta can get you from London to Pennsylvania in just under 12h 50m. Your travel time can differ by up to 4h 55m. London and Pennsylvania are separated by a distance of 3458 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from London to Pennsylvania one-way?

To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £271. Aer Lingus flights start at £346 while deals on British Airways start at £393 one-way.

In terms of precipitation, rainfall in Pennsylvania ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Pennsylvania when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the most popular routes from London to Pennsylvania?

Most travelers choose London Heathrow - New York John F Kennedy Intl, London Heathrow - Newark or London Gatwick - New York John F Kennedy Intl when deciding on the best route from London to Pennsylvania.

What are the cheapest flights from London to Pennsylvania?

Looking at all options, your cheapest flight can be booked for £415. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £219 on average, our data indicates £1,538 when flying from London to Pennsylvania.

What are the most reliable airlines from London to Pennsylvania?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Pennsylvania on time: Malaysia Airlines (89%), American Airlines (83%), Finnair (83%).

What are the most popular airlines that fly from London to Pennsylvania?

British Airways, Aer Lingus and JetBlue are the most popular airlines when flying from London to Pennsylvania.

Can I find deals for flights from London to Pennsylvania that include hotel bookings?

Yes. In addition to deals on London to Pennsylvania flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Pennsylvania?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Pennsylvania.

Can I find deals for business class flights from London to Pennsylvania?

Yes. Cheapflights offers flight deals from London to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£347+ Cheap Flights from London to Pennsylvania

Cheap flight deals from London to Pennsylvania

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Pennsylvania
Explore the most affordable flight options available from London to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Fri 4/910:25 -

1 stop15h 20m

Tue 8/918:30 -

1 stop9h 55m

Deal found 27/8£420

Fri 25/909:30 -

1 stop12h 11m

Thu 1/1019:55 -

1 stop10h 55m

Deal found 27/8£420

Wed 23/919:15 -

1 stop26h 20m

Sun 27/916:15 -

1 stop20h 10m

Deal found 27/8£420

Thu 29/1012:10 -

2 stops32h 35m

Tue 3/1117:35 -

2 stops21h 40m

Deal found 27/8£420

Fri 25/917:25 -

Nonstop7h 55m

Thu 8/1007:50 -

Nonstop6h 55m

Deal found 28/8£420

Fri 6/1121:45 -

1 stop23h 10m

Fri 13/1118:05 -

1 stop22h 00m

Deal found 29/8£420

Thu 22/1010:25 -

1 stop15h 20m

Mon 26/1013:15 -

2 stops15h 45m

Deal found 30/8£420

Thu 8/1006:50 -

2 stops13h 56m

Thu 15/1008:45 -

2 stops16h 45m

Deal found 30/8£420

Thu 15/1009:15 -

1 stop12h 20m

Mon 19/1020:30 -

1 stop11h 05m

Deal found 30/8£420

Mon 16/1110:50 -

2 stops33h 55m

Mon 23/1117:35 -

2 stops23h 20m

Deal found 30/8£420

Fri 9/1011:35 -

Nonstop7h 50m

Thu 15/1021:40 -

Nonstop7h 10m

Deal found 28/8£420

Mon 19/1017:25 -

1 stop29h 20m

Fri 23/1022:05 -

1 stop13h 20m

Deal found 28/8£421

Best flights from London to Pennsylvania
Discover carefully curated flight deals from London to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Sun 11/1009:40 -

1 stop17h 45m

Sun 18/1017:00 -

1 stop11h 15m

Deal found 27/8£436

Sat 31/1010:00 -

1 stop12h 50m

Wed 11/1122:05 -

1 stop13h 20m

Deal found 28/8£437

Fri 4/908:25 -

2 stops16h 34m

Wed 9/909:30 -

2 stops17h 25m

Deal found 28/8£440

Wed 14/1019:15 -

2 stops50h 23m

Sun 18/1023:55 -

1 stop28h 15m

Deal found 29/8£450

Wed 23/919:30 -

1 stop23h 25m

Wed 14/1017:40 -

1 stop20h 00m

Deal found 25/8£465

Fri 16/1018:05 -

1 stop24h 10m

Sun 25/1018:40 -

2 stops15h 55m

Deal found 28/8£465

Thu 19/1110:40 -

2 stops15h 55m

Sun 29/1100:10 -

2 stops15h 25m

Deal found 29/8£477

Thu 1/1006:50 -

1 stop11h 10m

Mon 12/1018:10 -

1 stop11h 05m

Deal found 25/8£478

Thu 15/1007:30 -

1 stop16h 40m

Fri 23/1020:55 -

Nonstop7h 15m

Deal found 25/8£483

Thu 8/1009:20 -

1 stop10h 15m

Sun 11/1019:10 -

1 stop9h 20m

Deal found 26/8£493

Thu 17/913:35 -

1 stop33h 10m

Wed 23/900:40 -

1 stop13h 20m

Deal found 28/8£502

Fri 2/1008:40 -

1 stop16h 40m

Sun 11/1013:00 -

1 stop12h 30m

Deal found 26/8£586

Thu 8/1015:40 -

1 stop32h 35m

Thu 15/1020:25 -

1 stop13h 15m

Deal found 29/8£590

Tue 10/1111:40 -

1 stop13h 20m

Sun 15/1109:40 -

1 stop19h 05m

Deal found 30/8£632

Mon 9/1110:55 -

1 stop16h 30m

Tue 24/1100:20 -

1 stop28h 35m

Deal found 29/8£670

Fri 4/910:00 -

1 stop12h 05m

Mon 21/916:40 -

1 stop10h 15m

Deal found 27/8£442

Fri 23/1018:05 -

Nonstop8h 00m

Sun 25/1019:15 -

Nonstop7h 05m

Deal found 27/8£465

Fri 13/1121:05 -

2 stops21h 20m

Mon 16/1118:30 -

2 stops13h 25m

Deal found 28/8£468

Thu 17/910:00 -

2 stops18h 15m

Mon 21/909:30 -

2 stops17h 25m

Deal found 27/8£471

Mon 2/1111:00 -

1 stop16h 55m

Sun 8/1100:10 -

2 stops15h 25m

Deal found 29/8£481

Mon 9/1109:40 -

1 stop11h 50m

Sat 14/1114:44 -

1 stop12h 01m

Deal found 30/8£459

Thu 3/908:25 -

2 stops16h 34m

Thu 10/909:30 -

2 stops17h 25m

Deal found 27/8£471

Fri 6/1106:00 -

1 stop17h 00m

Thu 12/1119:25 -

1 stop22h 25m

Deal found 28/8£521

Thu 8/1018:05 -

Nonstop8h 00m

Thu 15/1022:50 -

1 stop16h 50m

Deal found 29/8£530

Tue 20/1016:00 -

Nonstop8h 20m

Thu 17/1217:55 -

1 stop22h 45m

Deal found 29/8£536

Fri 30/1006:40 -

1 stop14h 00m

Sun 8/1117:30 -

2 stops16h 05m

Deal found 28/8£496

Thu 22/1011:20 -

2 stops14h 50m

Sun 1/1123:55 -

2 stops16h 40m

Deal found 27/8£500

Tue 10/1112:55 -

1 stop12h 36m

Fri 13/1112:55 -

1 stop13h 50m

Deal found 29/8£459

Thu 15/1013:45 -

1 stop10h 35m

Mon 19/1021:05 -

1 stop19h 30m

Deal found 25/8£515

Thu 12/1106:00 -

1 stop17h 00m

Tue 17/1119:25 -

1 stop14h 40m

Deal found 30/8£523

Find flight deals from London to Pennsylvania

Round-trip from	£420
One-way from	£347
Popular in	August
Cheapest in	January
Average price	£838
Good round-trip deal	£632 or less
Good one-way deal	£514 or less

Air France
4/9-8/9
2 total stops
25h 15m total
London to Pennsylvania

Search Deals

Iberia
10/11
1 total stop
12h 30m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to Pennsylvania.

Search Deals

Price to beat on a one-way flight from London (LON) to Pennsylvania.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sun 11/10

09:40-22:25

1 stop17h 45m

New York LaGuardia

Sun 18/10

17:00-09:15

1 stop11h 15m

£436

LondonNew York

LGW London Gatwick - JFK New York John F Kennedy Intl

LGWJFK

London Gatwick

Sat 31/10

10:00-18:50

1 stop12h 50m

New York John F Kennedy Intl

Wed 11/11

22:05-16:25

1 stop13h 20m

£437

LondonNewark

LCY London City - EWR Newark

LCYEWR

London City

Fri 4/9

08:25-19:59

2 stops16h 34m

Newark

Wed 9/9

09:30-07:55

2 stops17h 25m

£440

LondonNew York

LCY London City - JFK New York John F Kennedy Intl

LCYJFK

London City

Fri 4/9

10:00-17:05

1 stop12h 05m

New York John F Kennedy Intl

Mon 21/9

16:40-07:55

1 stop10h 15m

£442

LondonNewark

LCY London City - EWR Newark

LCYEWR

London City

Wed 14/10

19:15-16:38

2 stops50h 23m

Newark

Sun 18/10

23:55-09:10

1 stop28h 15m

£450

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Mon 9/11

09:40-16:30

1 stop11h 50m

New York LaGuardia

Sat 14/11

14:44-07:45

1 stop12h 01m

£459

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Tue 10/11

12:55-20:31

1 stop12h 36m

New York LaGuardia

Fri 13/11

12:55-07:45

1 stop13h 50m

£459

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Wed 23/9

19:30-13:55

1 stop23h 25m

Newark

Wed 14/10

17:40-18:40

1 stop20h 00m

£465

Fastest return journey

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Fri 23/10

18:05-21:05

Nonstop8h 00m

New York John F Kennedy Intl

Sun 25/10

19:15-06:20

Nonstop7h 05m

£465

LondonNewark

LHR London Heathrow - EWR Newark

LHREWR

London Heathrow

Fri 16/10

18:05-13:15

1 stop24h 10m

Newark

Sun 25/10

18:40-14:35

2 stops15h 55m

£465

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from London with our price prediction graph.

LGW-JFK

LHR-LGA

LCY-JFK

LHR-JFK

STN-JFK

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Pennsylvania

LON-USPA

LGW-JFK

LHR-LGA

LCY-JFK

LHR-JFK

What is the cheapest month to book a flight from London to Pennsylvania?

Currently, January is the cheapest month in which you can book a flight from London to Pennsylvania (average of £561). Flying from London to Pennsylvania in August is currently the most expensive (average of £856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to PA?

When flying from London to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Pennsylvania

The most flights from LON to USPA are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

How much does it cost for a return flight from London to Pennsylvania?

Airfare is typical for this route at the moment.

London to Pennsylvania flights typically cost between £505 and £677 in September.
The cheapest return price found within the last 5 days was £592 on Finnair (14 Sept–21 Sept).

How far ahead should I book a flight from London to Pennsylvania?

The best time to book flights from London to Pennsylvania is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Pennsylvania

See what other customers who have flown with Finnair,Aer Lingus, andJetBlue from London to Pennsylvania have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Finnair

7.6

Good

1,430 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Aer Lingus

7.3

Good

1,732 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

JetBlue

7.1

Good

3,033 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Iberia

7.0

Good

3,248 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

British Airways

6.7

Okay

8,195 reviews

Finnair

7.6

Good

1,430 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

How long is the flight from London to Pennsylvania?
Virgin Atlantic, Air Europa, and Delta can get you from London to Pennsylvania in just under 12h 50m. Your travel time can differ by up to 4h 55m. London and Pennsylvania are separated by a distance of 3458 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London to Pennsylvania one-way?
To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £271. Aer Lingus flights start at £346 while deals on British Airways start at £393 one-way.
What are the most popular routes from London to Pennsylvania?
Most travelers choose London Heathrow - New York John F Kennedy Intl, London Heathrow - Newark or London Gatwick - New York John F Kennedy Intl when deciding on the best route from London to Pennsylvania.
What are the most reliable airlines from London to Pennsylvania?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Pennsylvania on time: Malaysia Airlines (89%), American Airlines (83%), Finnair (83%).
What are the cheapest flights from London to Pennsylvania?
Looking at all options, your cheapest flight can be booked for £415. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £219 on average, our data indicates £1,538 when flying from London to Pennsylvania.
Can I find deals for flights from London to Pennsylvania that include hotel bookings?
Yes. In addition to deals on London to Pennsylvania flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Pennsylvania?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Pennsylvania.
Can I find deals for business class flights from London to Pennsylvania?
Yes. Cheapflights offers flight deals from London to Pennsylvania by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Pennsylvania?
Currently, January is the cheapest month in which you can book a flight from London to Pennsylvania (average of £561). Flying from London to Pennsylvania in August is currently the most expensive (average of £856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Alternative routes for London to Pennsylvania

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Top 10 airlines flying from London to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£209	Average£671	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£252	Average£461	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£415	Average£570	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Air Canada	Cheapest£433	Average£587	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Finnair	Cheapest£444	Average£665	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£449	Average£788	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£456	Average£686	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£460	Average£751	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£460	Average£725	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest£463	Average£697	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Pennsylvania?

Cheapflights helps you search for flights from London to Pennsylvania via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Pennsylvania?

Cheapflights helps you find that perfect flight to Pennsylvania from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Pennsylvania with no change fees?

Yes, we can. To see specific flights from London to Pennsylvania with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Pennsylvania become cheaper?

Yes! Start tracking prices for London to Pennsylvania flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London to Pennsylvania from £347

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Pennsylvania

Cheapest flights from London to PennsylvaniaExplore the most affordable flight options available from London to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Explore the most affordable flight options available from London to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Best flights from London to PennsylvaniaDiscover carefully curated flight deals from London to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Discover carefully curated flight deals from London to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Direct flights from London to PennsylvaniaExplore direct flight options from London to Pennsylvania based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Explore direct flight options from London to Pennsylvania based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Last-minute flights from London to PennsylvaniaDiscover last-minute flight deals from London to Pennsylvania. Data last updated 30 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Pennsylvania. Data last updated 30 August 2026 and is based on user searches.

One-way flights from London to PennsylvaniaSearch for one-way flight options from London to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Search for one-way flight options from London to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

Find flight deals from London to Pennsylvania

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Pennsylvania that are best for you.

Best time to book a flight from London to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Pennsylvania?

What is the cheapest time of day to fly from LON to PA?

Find hourly flight availability from London to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 August 2026.

When flying from London to Pennsylvania, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Pennsylvania

Explore weekly flight availability from London to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 August 2026.

The most flights from LON to USPA are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

How much does it cost for a return flight from London to Pennsylvania?

Airfare is typical for this route at the moment.

London to Pennsylvania flights typically cost between £505 and £677 in September.The cheapest return price found within the last 5 days was £592 on Finnair (14 Sept–21 Sept).

How far ahead should I book a flight from London to Pennsylvania?

The best time to book flights from London to Pennsylvania is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Pennsylvania

See what other customers who have flown with Finnair,Aer Lingus, andJetBlue from London to Pennsylvania have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Pennsylvania?

What are the cheapest airlines to fly from London to Pennsylvania one-way?

What are the most popular routes from London to Pennsylvania?

What are the most reliable airlines from London to Pennsylvania?

What are the cheapest flights from London to Pennsylvania?

Can I find deals for flights from London to Pennsylvania that include hotel bookings?

How can I find direct flights from London to Pennsylvania?

Can I find deals for business class flights from London to Pennsylvania?

What is the cheapest month to book a flight from London to Pennsylvania?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Pennsylvania by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from London to Pennsylvania by cabin class

Find flights from London to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Pennsylvania flights

Browse other London and Pennsylvania flight options. Last updated on 30 August 2026.

Popular flight searches

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London to Pennsylvania flights

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Top 10 airlines flying from London to Pennsylvania

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Cheapest flights from London to Pennsylvania
Explore the most affordable flight options available from London to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 August 2026.

Best flights from London to Pennsylvania
Discover carefully curated flight deals from London to Pennsylvania that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 August 2026.

Direct flights from London to Pennsylvania
Explore direct flight options from London to Pennsylvania based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Last-minute flights from London to Pennsylvania
Discover last-minute flight deals from London to Pennsylvania. Data last updated 30 August 2026 and is based on user searches.

One-way flights from London to Pennsylvania
Search for one-way flight options from London to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

London to Pennsylvania flights typically cost between £505 and £677 in September.
The cheapest return price found within the last 5 days was £592 on Finnair (14 Sept–21 Sept).