Flights from London to Pennsylvania

Flight deals from London to Pennsylvania

Looking for cheap flights from London to Pennsylvania, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Philadelphia.฿15,413 per passenger.Departing Fri, Sep 19, returning Sun, Oct 5.Round-trip flight with Norse Atlantic Airways (UK) and Spirit Airlines.Outbound indirect flight with Norse Atlantic Airways (UK), departing from London Gatwick on Fri, Sep 19, arriving in Philadelphia International.Inbound indirect flight with Spirit Airlines, departing from Philadelphia International on Sun, Oct 5, arriving in London Gatwick.Price includes taxes and charges.From ฿15,413, select.

Pittsburgh.฿16,171 per passenger.Departing Thu, Sep 11, returning Sun, Sep 28.Round-trip flight with Norse Atlantic Airways (UK) and Spirit Airlines.Outbound indirect flight with Norse Atlantic Airways (UK), departing from London Gatwick on Thu, Sep 11, arriving in Pittsburgh International.Inbound indirect flight with Spirit Airlines, departing from Pittsburgh International on Sun, Sep 28, arriving in London Gatwick.Price includes taxes and charges.From ฿16,171, select.

Latrobe.฿20,097 per passenger.Departing Sun, Oct 5, returning Fri, Oct 10.Round-trip flight with Norse Atlantic Airways (UK) and Spirit Airlines.Outbound indirect flight with Norse Atlantic Airways (UK), departing from London Gatwick on Sun, Oct 5, arriving in Latrobe.Inbound indirect flight with Spirit Airlines, departing from Latrobe on Fri, Oct 10, arriving in London Gatwick.Price includes taxes and charges.From ฿20,097, select.

Harrisburg.฿20,567 per passenger.Departing Wed, Oct 8, returning Wed, Oct 15.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from London Heathrow on Wed, Oct 8, arriving in Harrisburg International.Inbound indirect flight with Delta, departing from Harrisburg International on Wed, Oct 15, arriving in London Heathrow.Price includes taxes and charges.From ฿20,567, select.

Allentown.฿21,895 per passenger.Departing Wed, Oct 29, returning Mon, Nov 3.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from London Heathrow on Wed, Oct 29, arriving in Allentown.Inbound indirect flight with Delta, departing from Allentown on Mon, Nov 3, arriving in London Heathrow.Price includes taxes and charges.From ฿21,895, select.

State College.฿23,782 per passenger.Departing Thu, Sep 18, returning Thu, Sep 25.Round-trip flight with United.Outbound indirect flight with United, departing from London Heathrow on Thu, Sep 18, arriving in State College.Inbound indirect flight with United, departing from State College on Thu, Sep 25, arriving in London Heathrow.Price includes taxes and charges.From ฿23,782, select.

Wilkes-Barre.฿23,963 per passenger.Departing Thu, Sep 18, returning Tue, Sep 23.Round-trip flight with Brussels Airlines and United.Outbound indirect flight with Brussels Airlines, departing from London Heathrow on Thu, Sep 18, arriving in Wilkes-Barre International.Inbound indirect flight with United, departing from Wilkes-Barre International on Tue, Sep 23, arriving in London Heathrow.Price includes taxes and charges.From ฿23,963, select.

Flying from London to Pennsylvania

Arm yourself with these facts on the fly.

Cheapest flight found	฿9,350, Pittsburgh
Cheapest month to fly	December
Average flight time	8 hrs, 9 mins
Cheapest airport to fly from	London Stansted
Most popular airline	Finnair

How to find cheap flights from London to Pennsylvania

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from London to Pennsylvania. Other savvy travelers recently found round-trip flights from ฿15,413 and one-way tickets from ฿9,352. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from London Stansted into Pittsburgh

At the moment, the lowest-priced flight tickets to Pennsylvania are from London Stansted Airport to Pittsburgh International Airport.

Fly in December

We crunched the flight calendar and found the cheapest time to fly from London to Pennsylvania is currently December.

Fly on a Friday

From our data, we can see that Friday seems to be the cheapest time to fly from London to Pennsylvania.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from London to anywhere you choose in Pennsylvania.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from London to Pennsylvania go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the London to Pennsylvania flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average London to Pennsylvania flight price?

We looked at all of the upcoming round-trip flights from London to Pennsylvania we could find over the next 12 months. It looks like ฿15,413 is the best price. This is good, compared to the average Pennsylvania ticket price of ฿20,270.

What is the cheapest month to fly from London to Pennsylvania?

The cheapest month to fly from London to Philadelphia International Airport is usually September. The cheapest month to fly from London to Harrisburg International Airport is usually October. The cheapest month to fly from London to State College Airport is usually September. And the cheapest month to fly from London to Latrobe Airport is usually October.

On which upcoming date is it cheapest to fly from London to Pennsylvania?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Pennsylvania on Friday, September 19, 2025.

Are there any direct flights from London to Pennsylvania?

London Heathrow Airport offers direct flights to Pennsylvania.

If I'm flying from London, where in Pennsylvania is cheapest to fly to?

If you're flying from London, the cheapest city in Pennsylvania to fly into is Philadelphia. The cheapest airport serving Philadelphia at the moment is Philadelphia International.