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PHL (Philadelphia) to LHR (London) Flights $555.66

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Cheap PHL to LHR Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

London

$536.96

$571.86

$638.80

$694.85

Interesting Facts About Flights from Philadelphia to London (PHL to LHR)

Question : What day has the most flight time options?
Answer : The day with the most departure times for this route is Saturday with four options. Note that the day with the most flight time options for all flights departing from the United States is Sunday with 5,738.

Question : What is the cheapest day to fly in the next four weeks?
Answer : As of Jul 17th, the best day for deals to London (LHR) is Aug 15th. It costs $488, which is 51% below the average price to book the same route.

Question : How often are flights late from Philadelphia International Airport (PHL) to London Heathrow Airport (LHR)?
Answer : The Philadelphia to London route has a 68% on-time rate, ranking in the 27th percentile worldwide in getting their passengers to their destinations on schedule. If a flight is delayed, though, expect an average of about half an hour added to your flight time.

Question : How long do most people stay in London?
Answer : Of course you're not most people, but if you were, you'd stay roughly 13 days.

Question : About how long is the flight from Philadelphia to London?
Answer : On average, the flight time from PHL to LHR is seven hours and one minute.

Question : How many departure times are there on a given day?
Answer : Of course the day matters, but on average, four different flight times exist when you fly from PHL to LHR. Compared to the average route departing the United States with five flight times, you won't have as many options as most.

Question : What price range should you expect when booking from Philadelphia (PHL) to London (LHR)?
Answer : Flight prices change much more than the majority of routes from the United States for PHL to LHR. They vary anywhere from $475 to $4,474. Prices tend to be lower the further out you book.