Cheap Flights from London to Philadelphia

Compare London to Philadelphia flight deals

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Flight deals from London to Philadelphia

Looking for a cheap last-minute deal or the best return flight from London to Philadelphia? If you want to travel next month, return fares start from Rs168,452. Find the lowest prices on one-way and return tickets right here.

Philadelphia.Rs92,786 per passenger.Departing Wed, 2 Sep.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed, 2 Sep, arriving in Philadelphia International.Price includes taxes and charges.From Rs92,786, select.

Philadelphia.Rs95,803 per passenger.Departing Mon, 22 Jun.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Luton on Mon, 22 Jun, arriving in Philadelphia International.Price includes taxes and charges.From Rs95,803, select.

Philadelphia.Rs96,174 per passenger.Departing Wed, 26 Aug.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Luton on Wed, 26 Aug, arriving in Philadelphia International.Price includes taxes and charges.From Rs96,174, select.

Philadelphia.Rs97,146 per passenger.Departing Wed, 15 Jul.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Luton on Wed, 15 Jul, arriving in Philadelphia International.Price includes taxes and charges.From Rs97,146, select.

Philadelphia.Rs112,166 per passenger.Departing Tue, 20 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Tue, 20 Oct, arriving in Philadelphia International.Price includes taxes and charges.From Rs112,166, select.

Philadelphia.Rs118,785 per passenger.Departing Sat, 14 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 14 Nov, arriving in Philadelphia International.Price includes taxes and charges.From Rs118,785, select.

Philadelphia.Rs122,792 per passenger.Departing Mon, 7 Dec.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 7 Dec, arriving in Philadelphia International.Price includes taxes and charges.From Rs122,792, select.

Philadelphia.Rs126,895 per passenger.Departing Tue, 6 Apr.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 6 Apr, arriving in Philadelphia International.Price includes taxes and charges.From Rs126,895, select.

Philadelphia.Rs146,368 per passenger.Departing Tue, 9 Mar.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Tue, 9 Mar, arriving in Philadelphia International.Price includes taxes and charges.From Rs146,368, select.

Philadelphia.Rs149,576 per passenger.Departing Tue, 5 Jan.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Tue, 5 Jan, arriving in Philadelphia International.Price includes taxes and charges.From Rs149,576, select.

Philadelphia.Rs149,890 per passenger.Departing Mon, 22 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Mon, 22 Feb, arriving in Philadelphia International.Price includes taxes and charges.From Rs149,890, select.

Philadelphia.Rs151,115 per passenger.Departing Mon, 10 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from London Heathrow on Mon, 10 May, arriving in Philadelphia International.Price includes taxes and charges.From Rs151,115, select.

Philadelphia.Rs154,201 per passenger.Departing Mon, 15 Mar.One-way flight with Finnair.Outbound direct flight with Finnair departs from London Heathrow on Mon, 15 Mar, arriving in Philadelphia International.Price includes taxes and charges.From Rs154,201, select.

Philadelphia.Rs156,644 per passenger.Departing Wed, 30 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 30 Dec, arriving in Philadelphia International.Price includes taxes and charges.From Rs156,644, select.

Philadelphia.Rs156,779 per passenger.Departing Wed, 28 Oct.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 28 Oct, arriving in Philadelphia International.Price includes taxes and charges.From Rs156,779, select.

Philadelphia.Rs156,782 per passenger.Departing Tue, 29 Sep.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Tue, 29 Sep, arriving in Philadelphia International.Price includes taxes and charges.From Rs156,782, select.

Find the cheapest month to fly from London to Philadelphia

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

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Direct flights from London to Philadelphia

Alternative London to Philadelphia routes

Looking for the cheapest, fastest or easiest route from London to Philadelphia? You could fly into the following airports instead.

London to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	Rs92,786
Cheapest month to fly	September
Average flight time	8 hrs, 3 mins
Most popular airline	American Airlines
Average flights per week	101

Finding cheap flights from London to Philadelphia: Frequently asked questions

How many airports are there in Philadelphia?

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.

How much are return flights from London to Philadelphia?

The best price we found for a return flight from London to Philadelphia is Rs160,058. 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.

How long does it take to fly from London to Philadelphia?

8 hours and 3 minutes is the average flight time from London to Philadelphia.

Which airlines fly direct from London to Philadelphia?

American Airlines, British Airways and Finnair fly direct from London to Philadelphia.

How many flights are there a week from London to Philadelphia?

As of June 2026, there are 101 flights per week flying from London to Philadelphia.

When is the cheapest time to fly from London to Philadelphia?

The cheapest month to fly from London to Philadelphia is usually June.

Which is the cheapest airport to fly into in Philadelphia?

If you're flying from London, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from Rs160,058.

Which upcoming date is cheapest to fly from London to Philadelphia on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Philadelphia on Tuesday, 23 June 2026.

Can I get a direct flight from London to Philadelphia?

Yes – the average flight time is 8 hours and 3 minutes.

How can I get the best flight deal from London to Philadelphia?

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 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.

When is the best time to book flights to Philadelphia?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Philadelphia?

In June, the average temperature is usually around 21°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.

Which is the cheapest airline to fly from London to Philadelphia with?

The cheapest airline that flies to Philadelphia is Wizz Air UK. And the cheapest airline that flies to Blue Bell Airport is British Airways.

Travelling from London to Philadelphia: what you need to know

When planning a flight from London to Philadelphia, you'll have your choice of airports to jet out of. Check out London Heathrow Airport (LHR) and London Gatwick Airport (LGW) for your departure options. Other possibilities include Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).
Disembark at Philadelphia International Airport (PHL), the major arrival point in Philadelphia.
Jump on a direct London to Philadelphia flight and you'll be flying for an average of 8 hours.
Philadelphia is four hours behind London and is in the UTC-4 timezone.
London Heathrow Airport (LHR) to Philadelphia International Airport (PHL) is the most traveled route that connects these two cities. There are 18 weekly flights to choose from. If you have things to do before heading off, the last flight from London to Philadelphia is with American Airlines at 14:10. Go for the first LHR to PHL departure with American Airlines at 10:05 to maximise your time in Philadelphia.
Allow plenty of time to get on your London to Philadelphia flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.
Flying over a peak time like July? Public holidays and other popular seasons can lead to longer queues and delays at security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from London to Philadelphia

Get cheap London to Philadelphia flights by booking two months ahead. According to our research, that's the sweet spot for picking up a bargain.
Plan your trip for May. That's the best month for landing an incredible deal on plane tickets from London to Philadelphia. If you're flexible with your dates, use the 'Whole month' tool to see the lowest price across every month.
Finding a cheap flight from London to Philadelphia is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a better deal is available.
Save on your London to Philadelphia flight with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from London

London Heathrow Airport (LHR)

If you're after a direct flight from London to Philadelphia, you can depart from London Heathrow Airport (LHR). Get from LHR to Philadelphia International Airport (PHL) in one seamless journey.
Be on the lookout for deals with American Airlines. This carrier offers direct London to Philadelphia plane tickets out of LHR.
We make it simple to find a London to Philadelphia flight with a stopover. To see the options departing from London Heathrow Airport, uncheck 'Direct flights only.' Next, pick a flight offering a stop long enough to see the sights of the city of your choice. Major stopovers include:
- Hartsfield-Jackson Atlanta International Airport (ATL)
- Newark Liberty International Airport (EWR)
- Logan International Airport (BOS)
LHR is around 26 kilometres from central London. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 55 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 1 hour.
Want a leisurely start to your trip? Stay near London Heathrow Airport. Whether you're taking an early flight from London to Philadelphia or just don't like being rushed, these hotels are just the thing:
When it comes to London Heathrow Airport's on-time performance, 68.18% of flights arrive within the scheduled time frame.

London Gatwick Airport (LGW)

Split up your London to Philadelphia flight with a stop so you can stretch your legs or perhaps go somewhere you've never been before. Some top stopovers between London Gatwick Airport and Philadelphia are:
- Orlando International Airport (MCO)
- Dublin Airport (DUB)
- Montreal-Pierre Elliott Trudeau International Airport (YUL)
With public transport, you can travel from central London to LGW in around 30 minutes. The terminal is roughly 40 kilometres away. Driving will take you about 1 hour 20 minutes.
Kick off your holiday early with an additional night away from home. Before catching your flight from London to Philadelphia, kick back in one of these hotels near London Gatwick Airport:
When it comes to flights staying on schedule, London Gatwick Airport has an on-time arrival rate of 69%.

Stansted Airport (STN)

Searching for a ticket from London to Philadelphia with a stop or two can offer you a bigger choice of departure times and access to better fares. When leaving from Stansted Airport (STN), here are a few places you can detour to on the way to Philadelphia:
- Amsterdam Airport Schiphol (AMS)
- Dublin Airport (DUB)
- Copenhagen Airport (CPH)
STN is around 48 kilometres from central London. The drive from the city centre to the terminal takes about 1 hour. If you're thinking about taking public transport, expect a journey time of around 1 hour 25 minutes.
Sleep a little longer, move a little slower, and still make your London to Philadelphia flight with plenty of time to spare. These accommodation options near Stansted Airport make it a breeze to get to the terminal if you're jetting off early:
Airports have an on-time performance rating that tracks how often flights get to their destinations as expected. At STN, that figure is 64.73%.

Arriving in Philadelphia

Philadelphia International Airport (PHL)

Philadelphia International Airport (PHL) to central Philadelphia takes around 15 minutes to reach by car. The centre is roughly 11 kilometres away.
It usually takes 45 minutes to get there on public transport.
Reserve a hotel close to PHL if you're coming in on a late flight from London to Philadelphia. Pick one of these options and skip the long transfer:
Grab a Philadelphia International Airport rental car and explore Philadelphia and beyond with your own set of wheels. Dollar, Thrifty and Budget are top providers to choose from here.
Lock in the lowest price by reserving your ride from Philadelphia International Airport about three weeks ahead of your trip.
PHL is located at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

Trenton-Mercer Airport (TTN) is about 48 kilometres from central Philadelphia. After your flight from London to Philadelphia, it'll take you approximately 40 minutes to reach the heart of the city in a ride-share or cab.
Travelling by public transport will take about 1 hour 45 minutes.
Budget, National and Enterprise make picking up a Trenton-Mercer Airport rental car easy and quick. These trusted providers are located around or in the terminal and will have you on your way in a heartbeat.
Get the pick of the lot. Securing your ride from TTN four weeks in advance often means better prices and a greater range of vehicles.
The address for Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

August is the most popular month for flights from London to Philadelphia. To travel when it's less crowded, go to Philadelphia in February.
The warmest month in Philadelphia is July, with temperatures ranging between 18ºC and 32ºC. Book your London to Philadelphia ticket then if this is the type of weather you enjoy.
If you like cooler conditions, search for a cheap flight from London to Philadelphia in January when temperatures average between -7ºC and 9ºC.

More about Philadelphia

After booking your flight from London to Philadelphia, take your pick from prime hotels that put you close to the action. Make one of these accommodation options your base for exploring Philadelphia:
Every great journey has to include some sightseeing. Liberty Bell, Independence Hall and Philadelphia Museum of Art are essential stops on your Philadelphia itinerary.

Explore more of United States

New York is just one of the many places in United States waiting to be discovered after you've seen Philadelphia. Around 129 kilometres to the north-east, popular attractions include Statue of Liberty, Central Park and Empire State Building.
If there's time to check out another well-known destination in United States, head for Boston, roughly 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are key reasons to visit.