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Cheap flights from London to Philadelphia

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Find the cheapest flights from London to Philadelphia

Cheap return flights

These are some of the best return flight deals from London to Philadelphia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Philadelphia.

Cheap last-minute flights

Planning a quick getaway from London to Philadelphia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Philadelphia, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Philadelphia

Find recent round-trip train or bus tickets from London to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
LHR-PHL
7h 45mdirect
PHL-LHR
7h 10mdirect
American Airlines
Find Deal
LHR-PHL
8h 10mdirect
PHL-LHR
7h 10mdirect
Aer Lingus
Find Deal
LHR-PHL
7h 45mdirect
PHL-LHR
7h 10mdirect
Finnair
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LHR-PHL
7h 45mdirect
PHL-LHR
7h 10mdirect
Iberia
Find Deal
LHR-PHL
7h 45mdirect
PHL-LHR
7h 10mdirect
Malaysia Airlines
Find Deal
LHR-PHL
7h 45mdirect
PHL-LHR
7h 10mdirect
British Airways
Find Deal
LHR-PHL
7h 45mdirect
American Airlines
Find Deal
LHR-PHL
8h 10mdirect
Aer Lingus
Find Deal
LHR-PHL
7h 45mdirect
Finnair
Find Deal
LHR-PHL
7h 45mdirect
Iberia
Find Deal
LHR-PHL
7h 45mdirect
Malaysia Airlines
Find Deal
LHR-PHL
7h 45mdirect
British Airways
Find Deal

See travel insights to Philadelphia from

How to get the cheapest flight ticket from London to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

In general, February is the cheapest month to fly from London to Philadelphia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R12 018. If you are unable to visit Philadelphia during the month of February, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around R12 072.

How far in advance should I book a flight to Philadelphia?

The ideal time to book your flight to Philadelphia is 55 days in advance, when prices tend to average R13 430. Keep in mind that you might be able to find cheaper flights to Philadelphia at any time. In fact, our users found flights for as low as R211 629 in the past 72 hours.

How have London to Philadelphia flight prices changed over time?

As of November 2024, prices for London to Philadelphia flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from London to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from London to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Philadelphia (LON to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Philadelphia

Direct flights

None
There are no direct flights from London to Philadelphia. There are no popular flight routes from London to Philadelphia.

  • How far is London to Philadelphia by plane?

    The distance between London and Philadelphia is about 5695,4 km.

  • When did momondo last update prices for flights from London to Philadelphia Airport?

    Prices for flights from London to Philadelphia Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to Philadelphia Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Philadelphia?


Why use momondo?

Why should I use momondo to find a flight deal from London to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from London.

Can I find flights from London to Philadelphia with flexible booking policies on momondo?

Yes. All flights to Philadelphia from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Philadelphia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from London.

I’m not ready to book a flight from London to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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