How long is the flight from Pennsylvania to London?

United Airlines, Delta, and JetBlue can get you from Pennsylvania to London in just under 12h 57m. Your travel time can differ by up to 3h 05m. There are 3581 mi between Pennsylvania and London. This flight may include one or multiple stops.

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

One-way options have recently been found by users for as low as £193 on Kenya Airways. Other airlines that offer cheap prices include British Airways from £207 and SAUDIA from £225 one-way.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Pennsylvania to London?

When deciding which route to take from Pennsylvania to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.

What are the cheapest flights from Pennsylvania to London?

Looking for the cheapest flight from Pennsylvania to London? While on average our users pay £777, our data indicates the cheapest price to be £533. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £263.

What are the most reliable airlines from Pennsylvania to London?

The top 3 most reliable airlines when flying from Pennsylvania to London are Malaysia Airlines (92%), American Airlines (88%) and British Airways (88%).

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

The most popular airlines flying from Pennsylvania to London are Air Mauritius, Emirates and British Airways. Something to consider prior to booking your flight.

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

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

How can I find direct flights from Pennsylvania to London?

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

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

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

£228+ Cheap Flights from Pennsylvania to London

Cheap flight deals from Pennsylvania to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Mon 7/1217:39 -

1 stop13h 21m

Wed 9/1211:05 -

2 stops34h 53m

Deal found 7/10£555

Tue 8/1217:40 -

1 stop10h 25m

Sat 12/1208:05 -

2 stops37h 05m

Deal found 7/10£618

Mon 30/1117:40 -

1 stop9h 25m

Sat 12/1208:05 -

2 stops37h 05m

Deal found 8/10£619

Sat 28/1117:40 -

1 stop9h 25m

Wed 2/1219:30 -

2 stops25h 40m

Deal found 8/10£622

Mon 7/1217:40 -

1 stop10h 25m

Sat 12/1208:05 -

2 stops37h 05m

Deal found 8/10£623

Mon 23/1117:40 -

1 stop10h 25m

Mon 30/1108:05 -

2 stops37h 05m

Deal found 9/10£625

Fri 4/1208:34 -

2 stops26h 26m

Sun 6/1206:40 -

2 stops21h 25m

Deal found 8/10£626

Mon 19/1021:45 -

Nonstop7h 20m

Mon 26/1015:55 -

Nonstop8h 25m

Deal found 9/10£626

Sat 28/1117:40 -

1 stop11h 30m

Sat 12/1208:05 -

2 stops37h 05m

Deal found 7/10£633

Wed 2/1217:40 -

1 stop9h 25m

Mon 7/1208:05 -

2 stops37h 05m

Deal found 8/10£634

Wed 25/1117:40 -

1 stop10h 25m

Tue 1/1208:05 -

2 stops37h 05m

Deal found 7/10£635

Wed 2/1208:34 -

2 stops28h 56m

Sun 6/1206:40 -

2 stops21h 25m

Deal found 10/10£636

Best flights from Pennsylvania to London
Discover carefully curated flight deals from Pennsylvania to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Mon 7/1214:58 -

2 stops16h 02m

Wed 9/1211:05 -

2 stops34h 53m

Deal found 7/10£559

Wed 2/1212:28 -

1 stop12h 57m

Sat 12/1206:20 -

2 stops21h 50m

Deal found 7/10£657

Wed 9/1212:10 -

1 stop13h 45m

Sun 13/1212:20 -

1 stop16h 36m

Deal found 7/10£673

Wed 31/318:45 -

Nonstop7h 05m

Fri 9/413:45 -

Nonstop7h 55m

Deal found 7/10£715

Tue 9/212:51 -

1 stop13h 14m

Sat 13/215:40 -

1 stop12h 48m

Deal found 9/10£715

Tue 5/109:30 -

3 stops27h 00m

Thu 14/112:25 -

2 stops25h 12m

Deal found 11/10£725

Thu 26/1107:52 -

1 stop18h 03m

Thu 3/1211:45 -

1 stop16h 06m

Deal found 12/10£729

Tue 24/1106:00 -

2 stops25h 45m

Tue 1/1222:40 -

2 stops30h 16m

Deal found 9/10£747

Wed 13/117:00 -

2 stops18h 00m

Fri 22/106:40 -

3 stops19h 46m

Deal found 11/10£749

Tue 10/1119:40 -

Nonstop7h 10m

Tue 17/1110:35 -

Nonstop8h 05m

Deal found 11/10£763

Sat 3/417:31 -

1 stop32h 14m

Mon 5/417:50 -

2 stops29h 38m

Deal found 9/10£572

Sun 28/314:05 -

2 stops12h 20m

Fri 2/411:45 -

2 stops15h 29m

Deal found 11/10£668

Thu 10/1206:00 -

1 stop10h 40m

Wed 13/109:20 -

1 stop16h 09m

Deal found 8/10£675

Tue 16/206:00 -

1 stop23h 50m

Mon 22/206:50 -

2 stops31h 34m

Deal found 10/10£660

Wed 4/1118:35 -

Nonstop7h 00m

Wed 11/1106:30 -

1 stop12h 30m

Deal found 7/10£735

Mon 14/1209:30 -

2 stops31h 05m

Tue 12/118:30 -

2 stops30h 39m

Deal found 11/10£737

Mon 9/1112:09 -

2 stops17h 21m

Tue 24/1106:30 -

2 stops22h 20m

Deal found 12/10£672

Mon 7/1221:15 -

Nonstop7h 25m

Mon 14/1215:55 -

Nonstop8h 25m

Deal found 7/10£761

Sun 22/1106:20 -

1 stop9h 35m

Fri 27/1112:20 -

1 stop16h 32m

Deal found 7/10£696

Sun 22/1109:10 -

2 stops22h 30m

Fri 4/1212:25 -

2 stops35h 18m

Deal found 7/10£739

Sun 8/1119:40 -

1 stop10h 10m

Tue 17/1106:00 -

2 stops21h 56m

Deal found 11/10£749

Sat 28/1113:35 -

1 stop12h 20m

Thu 3/1209:20 -

1 stop14h 23m

Deal found 7/10£700

Thu 8/418:30 -

3 stops42h 15m

Mon 12/419:50 -

2 stops31h 41m

Deal found 10/10£748

Tue 10/1112:08 -

1 stop14h 42m

Tue 17/1108:40 -

2 stops15h 32m

Deal found 11/10£752

Sat 27/219:50 -

Nonstop7h 00m

Sat 6/306:30 -

1 stop12h 35m

Deal found 8/10£758

Sun 3/109:29 -

2 stops31h 06m

Sun 10/118:30 -

2 stops30h 39m

Deal found 8/10£752

Tue 29/1210:31 -

2 stops18h 24m

Fri 8/106:30 -

2 stops17h 24m

Deal found 9/10£752

Sun 4/418:39 -

2 stops23h 16m

Sun 11/411:20 -

3 stops28h 38m

Deal found 9/10£765

Mon 28/1216:45 -

1 stop22h 25m

Fri 8/106:30 -

2 stops21h 08m

Deal found 9/10£753

Wed 25/1105:44 -

1 stop20h 36m

Sun 29/1109:55 -

1 stop17h 31m

Deal found 11/10£1,104

Find flight deals from Pennsylvania to London

Round-trip from	£555
One-way from	£228
Popular in	June
Cheapest in	January
Average price	£755
Good round-trip deal	£615 or less

United Airlines
7/12-9/12
3 total stops
48h 14m total
Pennsylvania to London

Search Deals

British Airways
6/4-31/12
1 total stop
11h 33m total
Pennsylvania to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£151 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Mon 11/1

21:15-09:40

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Fri 8/1

06:00-20:55

1 stop9h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Tue 5/1

07:00-05:55

2 stops17h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Tue 12/1

08:35-06:25

2 stops16h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

HarrisburgLondon

MDT Harrisburg - LHR London Heathrow

MDTLHR

Harrisburg

Wed 4/11

11:25-07:20

1 stop14h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 7/4

10:15-07:25

1 stop16h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Sun 10/1

13:54-12:00

1 stop17h 06m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 4/11

06:30-21:40

1 stop10h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 6/1

11:10-11:40

1 stop19h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

PittsburghLondon

PIT Pittsburgh - LHR London Heathrow

PITLHR

Pittsburgh

Wed 13/1

12:41-10:50

2 stops17h 09m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

Flights are sorted by cheapest return flights first.

Deals found on 10/10

Showing 1-10 of 55 resultsSorted by cheapest first

...

Best time to book a flight from Pennsylvania to London

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

PIT-LHR

MDT-LHR

PHL-LHR

ERI-LHR

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 Pennsylvania to London

USPA-LON

PIT-LHR

MDT-LHR

PHL-LHR

ERI-LHR

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

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of £555). Flying from Pennsylvania to London in June is currently the most expensive (average of £1,059). 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 PA to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to London as you normally would.

Weekly flight availability from Pennsylvania to London

The most flights from USPA to LON are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

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

Airfare is below average for this route at the moment.

Pennsylvania to London flights typically cost between £666 and £872 in January.
The cheapest return price found within the last 5 days was £617 on Multiple Airlines (10 Jan–13 Jan).

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

The best time to book flights from Pennsylvania to London is 22 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.

Related info for your journey

How long is the flight from Pennsylvania to London?
United Airlines, Delta, and JetBlue can get you from Pennsylvania to London in just under 12h 57m. Your travel time can differ by up to 3h 05m. There are 3581 mi between Pennsylvania and London. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Pennsylvania to London one-way?
One-way options have recently been found by users for as low as £193 on Kenya Airways. Other airlines that offer cheap prices include British Airways from £207 and SAUDIA from £225 one-way.
What are the most popular routes from Pennsylvania to London?
When deciding which route to take from Pennsylvania to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.
What are the most reliable airlines from Pennsylvania to London?
The top 3 most reliable airlines when flying from Pennsylvania to London are Malaysia Airlines (92%), American Airlines (88%) and British Airways (88%).
What are the cheapest flights from Pennsylvania to London?
Looking for the cheapest flight from Pennsylvania to London? While on average our users pay £777, our data indicates the cheapest price to be £533. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £263.
Can I find deals for flights from Pennsylvania to London that include hotel bookings?
Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Pennsylvania to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.
Can I find deals for business class flights from Pennsylvania to London?
Yes. Cheapflights offers flight deals from Pennsylvania to London 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 Pennsylvania to London?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of £555). Flying from Pennsylvania to London in June is currently the most expensive (average of £1,059). 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 2 airlines flying from Pennsylvania to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£497	Average£944	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£1,045	Average£1,153	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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

Cheapflights makes it easy to find Pennsylvania to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to London from Pennsylvania 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 Pennsylvania to London with no change fees?

Yes! Cheapflights helps users easily find flights from Pennsylvania to London with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pennsylvania today and book when prices fit your budget.

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Cheap flights from Pennsylvania to London from £228

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to LondonExplore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Best flights from Pennsylvania to LondonDiscover carefully curated flight deals from Pennsylvania to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Discover carefully curated flight deals from Pennsylvania to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Direct flights from Pennsylvania to LondonExplore direct flight options from Pennsylvania to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 October 2026.

Explore direct flight options from Pennsylvania to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 October 2026.

Last-minute flights from Pennsylvania to LondonDiscover last-minute flight deals from Pennsylvania to London. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute flight deals from Pennsylvania to London. Data last updated 12 October 2026 and is based on user searches.

One-way flights from Pennsylvania to LondonSearch for one-way flight options from Pennsylvania to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Search for one-way flight options from Pennsylvania to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Find flight deals from Pennsylvania to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

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

Best time to book a flight from Pennsylvania to London

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

Cheapflights Insights

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

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

Find hourly flight availability from Pennsylvania to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 October 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to London as you normally would.

Weekly flight availability from Pennsylvania to London

Explore weekly flight availability from Pennsylvania to London. 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 12 October 2026.

The most flights from USPA to LON are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

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

Airfare is below average for this route at the moment.

Pennsylvania to London flights typically cost between £666 and £872 in January.The cheapest return price found within the last 5 days was £617 on Multiple Airlines (10 Jan–13 Jan).

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

The best time to book flights from Pennsylvania to London is 22 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.

Related info for your journey

How long is the flight from Pennsylvania to London?

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

What are the most popular routes from Pennsylvania to London?

What are the most reliable airlines from Pennsylvania to London?

What are the cheapest flights from Pennsylvania to London?

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

How can I find direct flights from Pennsylvania to London?

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

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

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Alternative routes for Pennsylvania to London

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

Complete your trip

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

Direct flights to England

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

Search flights from Pennsylvania to London by cabin class

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

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 October 2026.

Pennsylvania and London flights

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Pennsylvania to London flights

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Top 2 airlines flying from Pennsylvania to London

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

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

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

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

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Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Best flights from Pennsylvania to London
Discover carefully curated flight deals from Pennsylvania to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Direct flights from Pennsylvania to London
Explore direct flight options from Pennsylvania to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 October 2026.

Last-minute flights from Pennsylvania to London
Discover last-minute flight deals from Pennsylvania to London. Data last updated 12 October 2026 and is based on user searches.

One-way flights from Pennsylvania to London
Search for one-way flight options from Pennsylvania to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Pennsylvania to London flights typically cost between £666 and £872 in January.
The cheapest return price found within the last 5 days was £617 on Multiple Airlines (10 Jan–13 Jan).