£257 Cheap Flights from Philadelphia (PHL) to London (LON)
Popular airlines from Philadelphia International Airport (PHL) to London
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Cheap Flights from Philadelphia (PHL) to London (LON)
Prices were available within the past 7 days and start at £257 for one-way flights and £621 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Alternative airports near London
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Philadelphia (PHL) to London (LON)
August is typically the cheapest month to fly
Travel information
Origin airport | Philadelphia Intl. |
|---|---|
Destination airport | Heathrow |
Return price | £621 |
Distance | 5656 km |
Book with confidence
Compare flights from Philadelphia to London easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Philadelphia to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to LON-All Airports in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Philadelphia Intl. to LON-All Airports.
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Philadelphia Intl. (PHL) to LON-All Airports (LON)
The easiest way to view the best deals on flights from Philadelphia to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Philadelphia Intl. to LON-All Airports start at just £621 and range up to £679.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Philadelphia and London
- booking your flight during October, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Philadelphia to London flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Philadelphia Intl. to LON-All Airports for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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