Cheap Flights from London to Philadelphia

Compare London Heathrow to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

Book the best Philadelphia International fare with no extra fees

Flight deals from London Heathrow to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Philadelphia International? Find the lowest prices on one-way and return tickets right here.

Philadelphia.$876 per passenger.Departing Wed, 18 Sep, returning Mon, 23 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 18 Sep, arriving in Philadelphia International.Inbound indirect flight with British Airways, departs from Philadelphia International on Mon, 23 Sep, arriving in London Heathrow.Price includes taxes and charges.From $876, select.

Philadelphia.$879 per passenger.Departing Wed, 25 Sep, returning Wed, 9 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 25 Sep, arriving in Philadelphia International.Inbound indirect flight with British Airways, departs from Philadelphia International on Wed, 9 Oct, arriving in London Heathrow.Price includes taxes and charges.From $879, select.

Philadelphia.$880 per passenger.Departing Tue, 7 May, returning Tue, 21 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Tue, 7 May, arriving in Philadelphia International.Inbound indirect flight with Air Canada, departs from Philadelphia International on Tue, 21 May, arriving in London Heathrow.Price includes taxes and charges.From $880, select.

Philadelphia.$894 per passenger.Departing Wed, 26 Feb, returning Wed, 5 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 26 Feb, arriving in Philadelphia International.Inbound indirect flight with British Airways, departs from Philadelphia International on Wed, 5 Mar, arriving in London Heathrow.Price includes taxes and charges.From $894, select.

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Find the cheapest month to fly from London Heathrow to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Philadelphia International flights are currently cheapest in September.

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Direct flights from London Heathrow to Philadelphia International

London Heathrow to Philadelphia International: Alternative routes

Compare routes from London Heathrow to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

London to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	$876
Cheapest month to fly	September
Average flight time	8 hrs, 2 mins
Most popular airline	Iberia
Average flights per week	109

Finding cheap flights from London Heathrow to Philadelphia International: Frequently asked questions

: The best price we found for a return flight from London Heathrow to Philadelphia International is $876. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
: 8 hours and 2 minutes is the average flight time from London Heathrow to Philadelphia International.
: Iberia, American Airlines and Finnair fly direct from London Heathrow to Philadelphia International.
: As of April 2024, there are 109 flights per week flying from London Heathrow to Philadelphia International.
: The cheapest month to fly from London Heathrow to Philadelphia International is usually September.
: After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Philadelphia International Airport on Wednesday, 18 September 2024.
: Yes – the average flight time is 8 hours and 2 minutes.
: We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
: We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia International is around 40 days in advance, so don’t leave your flight to the last minute.
: Currently, British Airways offers the cheapest flight tickets to Philadelphia International.

How to find cheap flights to Philadelphia (PHL) from London (LHR) in 2024

Looking for cheap tickets from London Heathrow to Philadelphia International? Return tickets start from $876 and one-way flights to Philadelphia International from London Heathrow start from $927

Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London Heathrow to Philadelphia. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Philadelphia from London from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Philadelphia start from $927 one-way.
Flex your dates to find the best LHR-PHL ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Philadelphia International from London Heathrow.
Set up a Price Alert. You can easily track the fare of your cheap London Heathrow-Philadelphia flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between London Heathrow and Philadelphia International? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Iberia
American Airlines
Finnair
British Airways
Qatar Airways
Malaysia Airlines
Aer Lingus
Flexible on when you travel? The cheapest month to fly from London Heathrow to Philadelphia International is September.
Find the cheapest Business class flights from London Heathrow and Philadelphia International. We scour the internet for the best Business, Premium Economy and First Class flight fares to Philadelphia, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for London Heathrow to Philadelphia International flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between London Heathrow and Philadelphia International whenever you want.

Combine your flight to Philadelphia International from London Heathrow with hotels and car hire

Once you've secured your cheap flight ticket from London Heathrow to Philadelphia International, discover the best prices and exclusive rates for hotels in Philadelphia or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.

Plan the rest of your trip from London to Philadelphia

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.