Cheap flights from London Gatwick to Philadelphia from £396

from as little as £396

7 nights in Philadelphia, departing London Gatwick on 09 / Sep / 2025 with JetBlue (price found 23 hours ago)

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

The London Gatwick / 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 207 flights. 09 / Sep / 2025 is currently the lowest priced day of the year to fly the London Gatwick/Philadelphia route. There are around 70 flights on any given week from the UK to Philadelphia and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

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 Gatwick to Philadelphia

Tips and advice from our flight experts

Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Gatwick to Philadelphia, across the two airlines that offer this route. We've found that 09 / Sep / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.

British Airways is the most popular airline that flies from London Gatwick to Philadelphia. But it's still worth looking at other options, as there are 70 flights to Philadelphia every week. If you want to broaden your search, look at flights departing from other airports.

Your flight from London Gatwick to Philadelphia will take at least 12 hrs 30 mins. On average, it takes 13 hrs 20 mins to fly the 5723 km distance. Take a look at flight times to see which one works best for you.

If you need somewhere to stay for your trip to the USA, take a look at our accommodation options.

Other popular destinations near Philadelphia

Where other people are flying to

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