How long is the flight from London to Pennsylvania?

United Airlines, JetBlue, and Delta can get you from London to Pennsylvania in just under 8h 25m. Your travel time can differ by up to 9h 15m. London and Pennsylvania are separated by a distance of 3440 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 SAUDIA, which is currently one of the cheapest options available, starting at £321. British Airways flights start at £328 while deals on Air India start at £389 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 £402. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £327 on average, our data indicates £1,996 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 (86%), American Airlines (82%), Finnair (82%).

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

Emirates, Air Mauritius and Turkish Airlines 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.

£354+ 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 14 August 2026.

Thu 17/913:05 -

Nonstop7h 50m

Tue 22/918:20 -

Nonstop7h 00m

Deal found 13/8£426

Wed 28/1013:00 -

1 stop12h 31m

Sun 1/1118:55 -

1 stop11h 25m

Deal found 11/8£426

Tue 15/919:15 -

1 stop26h 20m

Sun 20/920:30 -

1 stop15h 55m

Deal found 12/8£426

Mon 26/1010:50 -

3 stops33h 55m

Thu 29/1018:35 -

3 stops24h 40m

Deal found 12/8£426

Mon 19/1005:40 -

2 stops21h 25m

Thu 22/1020:30 -

2 stops23h 20m

Deal found 12/8£426

Wed 9/920:05 -

1 stop21h 45m

Mon 21/916:15 -

1 stop10h 40m

Deal found 11/8£426

Sat 3/1013:05 -

Nonstop7h 50m

Fri 9/1018:20 -

Nonstop7h 00m

Deal found 11/8£427

Thu 17/914:05 -

1 stop10h 31m

Thu 24/914:30 -

1 stop11h 05m

Deal found 11/8£427

Mon 14/909:15 -

1 stop32h 35m

Mon 21/920:30 -

1 stop16h 00m

Deal found 10/8£427

Mon 28/920:45 -

2 stops28h 20m

Tue 6/1022:05 -

2 stops17h 55m

Deal found 14/8£427

Thu 24/920:50 -

2 stops21h 25m

Thu 1/1021:10 -

2 stops18h 00m

Deal found 10/8£427

Tue 1/1209:00 -

1 stop12h 40m

Wed 2/1219:35 -

1 stop13h 05m

Deal found 10/8£427

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 14 August 2026.

Sat 10/1010:50 -

2 stops17h 40m

Mon 12/1019:29 -

1 stop10h 11m

Deal found 13/8£434

Mon 11/108:05 -

Nonstop8h 25m

Mon 18/108:45 -

Nonstop7h 07m

Deal found 13/8£437

Thu 24/906:30 -

1 stop11h 02m

Tue 29/908:15 -

Nonstop6h 55m

Deal found 13/8£441

Wed 21/1011:45 -

2 stops15h 40m

Tue 27/1015:00 -

1 stop14h 00m

Deal found 10/8£445

Mon 21/907:55 -

2 stops17h 10m

Mon 28/922:05 -

2 stops16h 00m

Deal found 11/8£450

Mon 28/908:40 -

1 stop16h 35m

Mon 5/1021:45 -

1 stop13h 40m

Deal found 13/8£451

Fri 9/1018:00 -

Nonstop8h 20m

Sat 17/1019:15 -

Nonstop7h 00m

Deal found 14/8£454

Sat 3/1017:00 -

1 stop10h 40m

Sat 10/1018:30 -

1 stop9h 50m

Deal found 10/8£457

Fri 6/1110:40 -

2 stops16h 15m

Mon 9/1100:55 -

1 stop14h 40m

Deal found 12/8£460

Wed 14/1019:50 -

2 stops22h 25m

Sun 18/1017:45 -

1 stop15h 50m

Deal found 12/8£477

Thu 12/1117:25 -

1 stop29h 25m

Sun 15/1122:05 -

1 stop13h 20m

Deal found 9/8£480

Fri 23/1012:00 -

1 stop13h 05m

Sun 25/1017:06 -

1 stop12h 34m

Deal found 12/8£485

Wed 14/1020:40 -

2 stops48h 58m

Sun 18/1023:55 -

1 stop15h 05m

Deal found 13/8£511

Wed 19/813:05 -

Nonstop7h 50m

Sun 6/918:20 -

Nonstop7h 00m

Deal found 10/8£533

Fri 18/912:40 -

1 stop25h 15m

Fri 2/1020:30 -

1 stop30h 25m

Deal found 10/8£632

Tue 17/1117:20 -

1 stop30h 00m

Tue 1/1200:20 -

1 stop28h 35m

Deal found 9/8£668

Fri 18/906:50 -

2 stops15h 35m

Sun 27/918:29 -

1 stop12h 26m

Deal found 13/8£437

Wed 21/1011:45 -

2 stops15h 40m

Wed 28/1015:00 -

1 stop16h 40m

Deal found 9/8£445

Sat 3/1011:30 -

1 stop12h 15m

Fri 9/1018:30 -

Nonstop7h 15m

Deal found 13/8£446

Fri 20/1110:45 -

1 stop16h 10m

Sun 29/1100:10 -

2 stops15h 25m

Deal found 10/8£460

Mon 11/112:50 -

Nonstop8h 30m

Mon 18/122:00 -

Nonstop7h 25m

Deal found 13/8£461

Mon 14/1209:20 -

1 stop10h 40m

Thu 31/1221:20 -

1 stop9h 40m

Deal found 9/8£470

Fri 23/1006:55 -

2 stops17h 06m

Mon 26/1011:20 -

1 stop14h 35m

Deal found 12/8£437

Thu 12/1119:50 -

2 stops22h 50m

Tue 17/1117:40 -

2 stops15h 55m

Deal found 11/8£483

Wed 26/806:50 -

1 stop11h 10m

Sat 5/918:10 -

1 stop17h 55m

Deal found 10/8£485

Fri 11/917:00 -

1 stop10h 40m

Sun 20/921:30 -

1 stop13h 30m

Deal found 13/8£457

Thu 1/1010:25 -

1 stop11h 45m

Sun 11/1013:15 -

2 stops15h 10m

Deal found 9/8£462

Wed 16/909:20 -

1 stop10h 15m

Thu 25/217:00 -

1 stop9h 15m

Deal found 9/8£470

Sat 5/1208:15 -

2 stops18h 20m

Wed 9/1223:25 -

2 stops17h 10m

Deal found 9/8£479

Sat 12/907:30 -

2 stops16h 15m

Sat 19/911:35 -

2 stops16h 00m

Deal found 13/8£441

Find flight deals from London to Pennsylvania

Round-trip from	£426
One-way from	£354
Popular in	August
Cheapest in	January
Average price	£809
Good round-trip deal	£669 or less
Good one-way deal	£416 or less

Norse Atlantic UK
17/9-22/9
Nonstop
14h 50m total
London to Pennsylvania

Search Deals

24/9
2 total stops
28h 15m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£49 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 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

Sat 10/10

10:50-23:30

2 stops17h 40m

New York LaGuardia

Mon 12/10

19:29-10:40

1 stop10h 11m

£434

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Mon 11/1

08:05-11:30

Nonstop8h 25m

New York John F Kennedy Intl

Mon 18/1

08:45-20:52

Nonstop7h 07m

£437

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Fri 18/9

06:50-17:25

2 stops15h 35m

New York LaGuardia

Sun 27/9

18:29-11:55

1 stop12h 26m

£437

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Fri 23/10

06:55-19:01

2 stops17h 06m

New York LaGuardia

Mon 26/10

11:20-05:55

1 stop14h 35m

£437

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Thu 24/9

06:30-12:32

1 stop11h 02m

New York John F Kennedy Intl

Tue 29/9

08:15-20:10

Nonstop6h 55m

£441

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Sat 12/9

07:30-18:45

2 stops16h 15m

New York LaGuardia

Sat 19/9

11:35-08:35

2 stops16h 00m

£441

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Wed 21/10

11:45-22:25

2 stops15h 40m

New York LaGuardia

Tue 27/10

15:00-09:00

1 stop14h 00m

£445

LondonNew York

LHR London Heathrow - LGA New York LaGuardia

LHRLGA

London Heathrow

Wed 21/10

11:45-22:25

2 stops15h 40m

New York LaGuardia

Wed 28/10

15:00-11:40

1 stop16h 40m

£445

LondonNew York

LHR London Heathrow - JFK New York John F Kennedy Intl

LHRJFK

London Heathrow

Sat 3/10

11:30-18:45

1 stop12h 15m

New York John F Kennedy Intl

Fri 9/10

18:30-06:45

Nonstop7h 15m

£446

LondonNew York

LTN London Luton - JFK New York John F Kennedy Intl

LTNJFK

London Luton

Mon 21/9

07:55-20:05

2 stops17h 10m

New York John F Kennedy Intl

Mon 28/9

22:05-19:05

2 stops16h 00m

£450

Flights are sorted by cheapest return flights first.

Deals found on 9/8

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.

LHR-LGA

LHR-JFK

LTN-JFK

LHR-EWR

LGW-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

LHR-LGA

LHR-JFK

LTN-JFK

LHR-EWR

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

Currently, September is the cheapest month in which you can book a flight from London to Pennsylvania (average of £540). Flying from London to Pennsylvania in July is currently the most expensive (average of £826). 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 below average for this route at the moment.

London to Pennsylvania flights typically cost between £667 and £916 in October.
The cheapest return price found within the last 5 days was £582 on Multiple Airlines (19 Oct–23 Oct).

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, andAmerican Airlines 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

1,426 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

1,426 reviews

Finnair

7.6

Good

1,426 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

1,701 reviews

Finnair

7.6

Good

1,426 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

American Airlines

7.1

Good

11,939 reviews

Finnair

7.6

Good

1,426 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

3,037 reviews

Finnair

7.6

Good

1,426 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

8,160 reviews

Finnair

7.6

Good

1,426 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?
United Airlines, JetBlue, and Delta can get you from London to Pennsylvania in just under 8h 25m. Your travel time can differ by up to 9h 15m. London and Pennsylvania are separated by a distance of 3440 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 SAUDIA, which is currently one of the cheapest options available, starting at £321. British Airways flights start at £328 while deals on Air India start at £389 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 (86%), American Airlines (82%), Finnair (82%).
What are the cheapest flights from London to Pennsylvania?
Looking at all options, your cheapest flight can be booked for £402. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £327 on average, our data indicates £1,996 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, September is the cheapest month in which you can book a flight from London to Pennsylvania (average of £540). Flying from London to Pennsylvania in July is currently the most expensive (average of £826). 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

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Top 10 airlines flying from London to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£210	Average£664	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£253	Average£463	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£333	Average£702	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	Cheapest£402	Average£656	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£417	Average£571	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Air Canada	Cheapest£434	Average£589	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£442	Average£704	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£445	Average£650	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£451	Average£663	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Aer Lingus	Cheapest£461	Average£752	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus 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 £354

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 24/9. 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 14 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 14 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 14 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 14 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 14 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 14 August 2026.

Last-minute flights from London to PennsylvaniaDiscover last-minute flight deals from London to Pennsylvania. Data last updated 14 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Pennsylvania. Data last updated 14 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 14 August 2026.

Search for one-way flight options from London to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated 14 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 14 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 14 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 below average for this route at the moment.

London to Pennsylvania flights typically cost between £667 and £916 in October.The cheapest return price found within the last 5 days was £582 on Multiple Airlines (19 Oct–23 Oct).

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, andAmerican Airlines 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 14 August 2026.

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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 14 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 14 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 14 August 2026.

Last-minute flights from London to Pennsylvania
Discover last-minute flight deals from London to Pennsylvania. Data last updated 14 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 14 August 2026.

London to Pennsylvania flights typically cost between £667 and £916 in October.
The cheapest return price found within the last 5 days was £582 on Multiple Airlines (19 Oct–23 Oct).