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Cheap Flights from Philadelphia to London $485.48

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Cheapest Flights from Philadelphia to London (PHL to LHR)

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

London

$509.39

$606.63

$723.46

$972.10

Southend-on-Sea

$1246.66

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

Question : How long are most people's visits to London when they fly in from Philadelphia?
Answer : Over the next two months, passengers from PHL to LHR are planning on staying for nine days on average.

Question : Would you be willing to change your travel days if it saved you money?
Answer : In February, Wednesday is your lowest-cost day to fly. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : How many different departure times are there each day?
Answer : On average, PHL to LHR sees two different flight times. The average route has 31 different flight times per day, so expect fewer choices than you're used to.

Question : Which airline is struggling to get to London on time?
Answer : Flights on US Airways to London from Philadelphia during the last month were delayed 30% of the time. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.