How long is the flight from London to Pennsylvania?

Icelandair, United Airlines, and SWISS can get you from London to Pennsylvania in just under 11h 05m. Your travel time can differ by up to 17h 15m. 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 Norse Atlantic UK, which is currently one of the cheapest options available, starting at £252. LEVEL flights start at £269 while deals on British Airways start at £285 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 Heathrow - New York LaGuardia 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 £446. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £258 on average, our data indicates £767 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: Aer Lingus (74%), American Airlines (66%), Finnair (66%).

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

American Airlines, Air Canada and Finnair 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.

£247+ Flights from London to Pennsylvania

Q: 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 £454 and £558 in October. The cheapest return flight price found within the last 3 days was £439 on United Airlines (30 Oct-8 Nov).

Cheap flight deals from London to Pennsylvania

Round-trip from	£308
One-way from	£247
Popular in	August
Cheapest in	February
Average price	£491
Good round-trip deal	£498 or less
Good one-way deal	£540 or less

Icelandair
4/2-9/2
2 total stops
21h 35m total
London to Pennsylvania

Search Deals

Norse Atlantic UK
25/9
Nonstop
7h 50m total
London to Pennsylvania

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£30 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

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

Find flight deals from London to Pennsylvania

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 16 September 2025.

Mon 3/1113:00LGW - JFK

Nonstop7h 55mNorse Atlantic UK

Mon 10/1118:05JFK - LGW

Nonstop6h 55mNorse Atlantic UK

Deal found 15/9£308

Tue 11/1114:45STN - JFK

2 stops30h 00mMultiple Airlines

Mon 24/1117:35JFK - STN

2 stops19h 45mMultiple Airlines

Deal found 15/9£308

Fri 17/1006:55LHR - JFK

1 stop13h 05mLufthansa

Mon 20/1017:30JFK - LHR

1 stop11h 25mLufthansa

Deal found 14/9£308

Fri 7/1107:40LHR - JFK

1 stop13h 00mMultiple Airlines

Wed 26/1116:25JFK - LHR

1 stop10h 40mMultiple Airlines

Deal found 14/9£308

Thu 2/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Tue 7/1020:05JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£309

Wed 24/909:25LCY - JFK

1 stop12h 10mSWISS

Mon 29/920:30JFK - LCY

1 stop11h 00mSWISS

Deal found 16/9£309

Mon 13/1006:00LHR - JFK

1 stop11h 50mMultiple Airlines

Mon 20/1017:30JFK - LHR

1 stop11h 25mMultiple Airlines

Deal found 14/9£309

Fri 3/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Sun 12/1019:45JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£310

Mon 3/1113:30LHR - JFK

1 stop11h 40mMultiple Airlines

Fri 28/1116:25JFK - LHR

1 stop10h 40mMultiple Airlines

Deal found 14/9£310

Sun 2/1105:30LHR - JFK

1 stop12h 20mMultiple Airlines

Mon 24/1116:25JFK - LHR

1 stop10h 40mMultiple Airlines

Deal found 14/9£311

Fri 7/1113:00LGW - JFK

Nonstop7h 55mNorse Atlantic UK

Tue 11/1118:05JFK - LGW

Nonstop6h 55mNorse Atlantic UK

Deal found 14/9£311

Mon 3/1113:25LHR - LGA

1 stop10h 38mAir Canada

Mon 10/1110:35LGA - LHR

1 stop15h 35mAir Canada

Deal found 15/9£311

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 16 September 2025.

Mon 3/1111:55LGW - JFK

1 stop11h 05mIcelandair

Sun 16/1119:25JFK - LGW

1 stop10h 30mIcelandair

Deal found 14/9£318

Mon 10/1110:15STN - JFK

3 stops34h 30mMultiple Airlines

Fri 14/1117:35JFK - STN

2 stops19h 45mMultiple Airlines

Deal found 15/9£319

Wed 15/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Sun 19/1019:45JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£322

Thu 6/1113:45LHR - JFK

1 stop28h 20mUnited Airlines

Thu 13/1110:05JFK - LHR

1 stop16h 05mUnited Airlines

Deal found 15/9£328

Tue 13/117:20LGW - JFK

1 stop33h 40mLEVEL

Tue 20/123:45JFK - LGW

1 stop27h 45mLEVEL

Deal found 15/9£330

Tue 3/306:00LHR - JFK

1 stop12h 05mSWISS

Sun 8/322:00JFK - LHR

1 stop14h 20mSWISS

Deal found 15/9£330

Mon 3/1106:00LHR - EWR

1 stop12h 55mAustrian Airlines

Mon 10/1108:25EWR - LHR

Nonstop7h 10mAustrian Airlines

Deal found 15/9£330

Wed 26/1109:35LGW - EWR

1 stop17h 25mTAP AIR PORTUGAL

Wed 3/1217:40EWR - LGW

1 stop11h 10mTAP AIR PORTUGAL

Deal found 16/9£339

Fri 7/1111:45LHR - LGA

2 stops15h 41mVirgin Atlantic

Sun 16/1116:00LGA - LHR

1 stop10h 50mVirgin Atlantic

Deal found 14/9£352

Sat 8/1110:00LCY - JFK

1 stop10h 45mDelta

Thu 13/1114:50JFK - LCY

2 stops13h 40mDelta

Deal found 15/9£381

Tue 4/1111:55LGW - JFK

1 stop11h 05mIcelandair

Wed 12/1119:25JFK - LGW

1 stop10h 30mIcelandair

Deal found 14/9£318

Tue 25/1114:45STN - JFK

2 stops30h 00mMultiple Airlines

Sat 29/1117:35JFK - STN

2 stops14h 45mMultiple Airlines

Deal found 15/9£323

Thu 6/1109:00LHR - JFK

1 stop12h 40mUnited Airlines

Sun 9/1110:05JFK - LHR

1 stop16h 05mUnited Airlines

Deal found 15/9£328

Fri 7/1109:05LHR - EWR

1 stop33h 50mAustrian Airlines

Sat 15/1108:25EWR - LHR

Nonstop7h 10mAustrian Airlines

Deal found 15/9£330

Fri 7/1109:00LHR - EWR

1 stop16h 30mSWISS

Sun 9/1122:00EWR - LHR

1 stop13h 20mSWISS

Deal found 15/9£330

Thu 9/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Thu 16/1020:05JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 15/9£337

Sat 7/310:10LGW - EWR

1 stop16h 50mTAP AIR PORTUGAL

Mon 16/301:15EWR - LGW

1 stop15h 20mTAP AIR PORTUGAL

Deal found 15/9£347

Sat 1/1111:55LGW - JFK

1 stop11h 05mIcelandair

Mon 10/1119:25JFK - LGW

1 stop10h 30mIcelandair

Deal found 15/9£318

Sat 8/1109:00LHR - EWR

1 stop16h 30mUnited Airlines

Tue 11/1108:25EWR - LHR

Nonstop7h 10mUnited Airlines

Deal found 14/9£328

Tue 7/1010:25LHR - EWR

1 stop32h 30mAustrian Airlines

Tue 14/1023:20EWR - LHR

Nonstop7h 05mAustrian Airlines

Deal found 15/9£330

Wed 15/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Wed 22/1020:05JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 15/9£339

Tue 7/1014:45STN - JFK

3 stops29h 55mMultiple Airlines

Tue 14/1017:10JFK - STN

3 stops23h 05mMultiple Airlines

Deal found 15/9£341

Mon 10/1110:00LCY - JFK

1 stop10h 45mVirgin Atlantic

Mon 17/1116:45JFK - LCY

1 stop9h 30mVirgin Atlantic

Deal found 15/9£381

Fri 5/1209:20LCY - JFK

1 stop11h 25mDelta

Mon 8/1216:40JFK - LCY

1 stop9h 35mDelta

Deal found 15/9£381

Mon 3/1111:55LGW - JFK

1 stop11h 05mIcelandair

Tue 11/1119:25JFK - LGW

1 stop10h 30mIcelandair

Deal found 14/9£318

Wed 8/1019:20LCY - JFK

1 stop22h 30mSWISS

Wed 15/1016:15JFK - LCY

1 stop11h 35mSWISS

Deal found 14/9£350

Thu 6/1112:05LHR - EWR

1 stop13h 25mUnited Airlines

Sun 9/1122:40EWR - LHR

Nonstop7h 25mUnited Airlines

Deal found 14/9£328

Mon 17/1110:40LGW - EWR

1 stop16h 30mTAP AIR PORTUGAL

Sun 23/1123:55EWR - LGW

1 stop10h 50mTAP AIR PORTUGAL

Deal found 14/9£362

Mon 3/1106:30STN - JFK

1 stop12h 25mMultiple Airlines

Mon 10/1117:00JFK - STN

1 stop11h 50mMultiple Airlines

Deal found 15/9£346

Thu 13/1108:40LCY - JFK

1 stop15h 40mVirgin Atlantic

Tue 18/1112:59JFK - LCY

2 stops13h 16mVirgin Atlantic

Deal found 15/9£381

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 16 September 2025.

Mon 3/1113:00LGW - JFK

Nonstop7h 55mNorse Atlantic UK

Mon 10/1118:05JFK - LGW

Nonstop6h 55mNorse Atlantic UK

Deal found 15/9£308

Thu 2/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Tue 7/1020:05JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£309

Fri 3/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Sat 11/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 14/9£310

Thu 2/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Mon 6/1020:05JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£311

Fri 3/1017:00LHR - JFK

Nonstop7h 55mIberia

Fri 10/1009:45JFK - LHR

Nonstop6h 55mIberia

Deal found 13/9£311

Fri 7/1113:00LGW - JFK

Nonstop7h 55mNorse Atlantic UK

Wed 12/1118:05JFK - LGW

Nonstop6h 55mNorse Atlantic UK

Deal found 14/9£311

Fri 3/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Tue 7/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 14/9£312

Fri 26/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Tue 30/918:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 15/9£313

Thu 2/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Sat 11/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 14/9£313

Tue 14/1017:00LHR - JFK

Nonstop7h 55mIberia

Tue 21/1009:50JFK - LHR

Nonstop6h 50mIberia

Deal found 14/9£313

Mon 3/1113:00LGW - JFK

Nonstop7h 55mNorse Atlantic UK

Wed 12/1118:05JFK - LGW

Nonstop6h 55mNorse Atlantic UK

Deal found 15/9£314

Fri 10/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Thu 16/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 14/9£315

Last-minute flights from London to Pennsylvania
Discover last-minute flight deals from London to Pennsylvania. Data last updated 16 September 2025 and is based on user searches.

Mon 22/918:40LHR - JFK

1 stop23h 10mMultiple Airlines

Wed 1/1009:00JFK - LHR

1 stop19h 35mMultiple Airlines

Deal found 14/9£311

Mon 22/906:00LHR - JFK

1 stop11h 50mSWISS

Wed 1/1016:15JFK - LHR

1 stop10h 40mSWISS

Deal found 14/9£313

Tue 23/911:30LHR - JFK

1 stop13h 35mMultiple Airlines

Mon 29/916:15JFK - LHR

1 stop10h 40mMultiple Airlines

Deal found 15/9£308

Wed 24/909:25LCY - JFK

1 stop12h 10mSWISS

Mon 29/920:30JFK - LCY

1 stop11h 00mSWISS

Deal found 16/9£309

Wed 24/906:00LHR - JFK

1 stop11h 50mMultiple Airlines

Wed 15/1009:00JFK - LHR

1 stop16h 30mMultiple Airlines

Deal found 15/9£312

Fri 26/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Tue 30/918:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 15/9£313

Thu 2/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Tue 7/1020:05JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£309

Thu 2/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Sat 11/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 14/9£313

Fri 3/1015:05LGW - JFK

Nonstop8h 00mBritish Airways

Sun 12/1019:45JFK - LGW

Nonstop7h 05mBritish Airways

Deal found 14/9£310

Fri 3/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Wed 8/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 14/9£312

Wed 8/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Wed 15/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 16/9£311

Thu 9/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Thu 16/1018:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 16/9£311

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 16 September 2025.

Thu 25/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 15/9£247

Wed 11/207:25LCY - JFK

2 stops19h 35mMultiple Airlines

Deal found 15/9£247

Mon 3/1116:20STN - JFK

3 stops32h 45mMultiple Airlines

Deal found 15/9£247

Wed 5/1109:15LTN - JFK

1 stop18h 15mMultiple Airlines

Deal found 15/9£247

Mon 24/1107:25LGW - JFK

2 stops17h 40mMultiple Airlines

Deal found 13/9£248

Sun 19/1016:25STN - JFK

1 stop24h 55mMultiple Airlines

Deal found 14/9£248

Thu 8/107:50LTN - JFK

2 stops19h 40mMultiple Airlines

Deal found 14/9£248

Fri 10/1013:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 14/9£249

Thu 23/1006:15STN - JFK

2 stops18h 50mMultiple Airlines

Deal found 14/9£249

Thu 13/1112:25LHR - JFK

1 stop12h 40mTAP AIR PORTUGAL

Deal found 14/9£249

Tue 4/1109:50LGW - LGA

3 stops33h 10mMultiple Airlines

Deal found 14/9£249

Wed 5/1114:55LGW - JFK

3 stops34h 10mMultiple Airlines

Deal found 14/9£249

Cheapflights Fare Finder

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

Mon 3/11

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Sun 16/11

19:25-10:55

1 stop10h 30m

£318

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Tue 4/11

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Wed 12/11

19:25-10:55

1 stop10h 30m

£318

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Sat 1/11

11:55-19:00

1 stop11h 05m

New York John F Kennedy Intl

Mon 10/11

19:25-10:55

1 stop10h 30m

£318

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Mon 3/11

11:55-18:00

1 stop11h 05m

New York John F Kennedy Intl

Tue 11/11

19:25-10:55

1 stop10h 30m

£318

LondonNew York

STN - JFK

STNJFK

London Stansted

Mon 10/11

10:15-15:45

3 stops34h 30m

New York John F Kennedy Intl

Fri 14/11

17:35-18:20

2 stops19h 45m

£319

LondonNew York

LGW - JFK

LGWJFK

London Gatwick

Wed 15/10

15:05-18:05

Nonstop8h 00m

New York John F Kennedy Intl

Sun 19/10

19:45-07:50

Nonstop7h 05m

£322

LondonNew York

STN - JFK

STNJFK

London Stansted

Tue 25/11

14:45-15:45

2 stops30h 00m

New York John F Kennedy Intl

Sat 29/11

17:35-13:20

2 stops14h 45m

£323

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 6/11

13:45-13:05

1 stop28h 20m

New York John F Kennedy Intl

Thu 13/11

10:05-07:10

1 stop16h 05m

£328

LondonNew York

LHR - JFK

LHRJFK

London Heathrow

Thu 6/11

09:00-16:40

1 stop12h 40m

New York John F Kennedy Intl

Sun 9/11

10:05-07:10

1 stop16h 05m

£328

LondonNewark

LHR - EWR

LHREWR

London Heathrow

Sat 8/11

09:00-20:30

1 stop16h 30m

Newark

Tue 11/11

08:25-20:35

Nonstop7h 10m

£328

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results

...

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.

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

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

Currently, March is the cheapest month in which you can book a flight from London to Pennsylvania (average of £648). Flying from London to Pennsylvania in July is currently the most expensive (average of £839). 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 Friday, which is when the least amount of flights are scheduled (10 on average).

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

Reviews of airlines servicing Pennsylvania

See what other customers who have flown with Finnair, United Airlines, 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

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,324 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

8,924 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

JetBlue

7.2

Good

2,914 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Iberia

7.0

Good

2,924 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,363 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Related info for your journey

How long is the flight from London to Pennsylvania?
Icelandair, United Airlines, and SWISS can get you from London to Pennsylvania in just under 11h 05m. Your travel time can differ by up to 17h 15m. 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 Norse Atlantic UK, which is currently one of the cheapest options available, starting at £252. LEVEL flights start at £269 while deals on British Airways start at £285 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 Heathrow - New York LaGuardia 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: Aer Lingus (74%), American Airlines (66%), Finnair (66%).
What are the cheapest flights from London to Pennsylvania?
Looking at all options, your cheapest flight can be booked for £446. While the most popular route (London Heathrow - New York John F Kennedy Intl) can be booked for £258 on average, our data indicates £767 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, March is the cheapest month in which you can book a flight from London to Pennsylvania (average of £648). Flying from London to Pennsylvania in July is currently the most expensive (average of £839). 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

Alternative routes for London to Pennsylvania

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Heathrow to LaGuardia flights

Gatwick to Newark flights

London City to John F Kennedy Intl flights

Gatwick to John F Kennedy Intl flights

London City to Newark flights

Gatwick to LaGuardia flights

Stansted to John F Kennedy Intl flights

Luton to John F Kennedy Intl flights

Heathrow to Miami flights

Heathrow to Orlando flights

Heathrow to Los Angeles flights

Stansted to Newark flights

Luton to Newark flights

Manchester to John F Kennedy Intl flights

London City to LaGuardia flights

Heathrow to Boston flights

Heathrow to Dallas/Fort Worth flights

Heathrow to San Francisco flights

Heathrow to O'Hare Intl flights

Heathrow to Dulles Intl flights

Heathrow to Las Vegas flights

Gatwick to Orlando flights

Heathrow to Baltimore flights

Manchester to Newark flights

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Direct flights to United States

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Top 10 airlines flying from London to Pennsylvania

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£299	Average£519	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Icelandair	Cheapest£331	Average£534	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Canada	Cheapest£333	Average£529	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
JetBlue	Cheapest£354	Average£523	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Lufthansa	Cheapest£407	Average£524	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£430	Average£603	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£437	Average£629	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£440	Average£597	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£447	Average£632	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Virgin Atlantic	Cheapest£453	Average£652	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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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.

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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.

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Cheap flights from London to Pennsylvania from £247

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Pennsylvania

Keep the following information in mind while searching for London to Pennsylvania flight deals. Data was last updated 16 September 2025.

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Find 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 16 September 2025.

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 16 September 2025.

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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

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

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 16 September 2025.

Weekly flight availability from London to Pennsylvania

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

Reviews of airlines servicing Pennsylvania

See what other customers who have flown with Finnair, United Airlines, 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

Find useful and relevant information for your journey from London to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

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Alternative routes for London to Pennsylvania

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

Top 10 airlines flying from London to Pennsylvania

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

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

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

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

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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 16 September 2025.