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Cheap flights from London to Philadelphia

from as little as £282

5 nights in Philadelphia, departing London Heathrow on 20 / Jan / 2022 with British Airways (price found 43 hours ago)

Subject to availability, prices correct of the last 24 hours
Philadelphia

Cheap return flights from London to Philadelphia

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The London / Philadelphia route

All 5723 km of it

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Philadelphia flight facts

What you need to know

Alternative flights from the UK to Philadelphia

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Philadelphia

Today alone, Netflights has searched over 10,941 flights. 20 / Jan / 2022 is currently the lowest priced day of the year to fly the London/Philadelphia route. There are around 876 flights on any given week from the UK to Philadelphia and the cheapest month to fly right now is January.

Min / Max Temperature (°C)
LOWEST

-2 °C

AVG

14 °C

HIGHEST

30 °C

Rainfall (mm)
LOWEST

71 mm

AVG

98.1 mm

HIGHEST

123 mm

Key facts about Philadelphia

How to get cheap flights from London to Philadelphia

Tips and advice from our flight experts

Book cheap flights from London to Philadelphia with Netflights. We scan all 876 of the weekly flights going via Philadelphia, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.

London Heathrow (LHR) is the most popular airport in this city for flights to Philadelphia, and the most popular airlines are British Airways, Finnair & Virgin Atlantic. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

On average, the 5723 km flight to Philadelphia takes 12 hrs. If you want a bargain, keep an eye out for flights with Finnair, as they often have good deals. Or you could broaden your search by looking at flights to other airports in the USA to see if there are any cheaper options.

Today, we’ve scanned 10,941 flights, to help you see all the options for your trip to Philadelphia. Once you’ve chosen your flight, why not check out our deals on accommodation and car hire? You’ll find lots of hotels in the USA, including some close to the airport – perfect if you're arriving late or leaving early.

Other popular destinations near Philadelphia

Where other people are flying to

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