Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Mon 8-3

18:35-06:35

Nonstop7h 00m

London Heathrow

Wed 31-12

00:00-18:00

Nonstop0h 00m

S$ 444

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Wed 9-12

18:35-06:35

Nonstop7h 00m

London Heathrow

Wed 31-12

00:00-18:00

Nonstop0h 00m

S$ 444

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Mon 7-12

18:35-06:35

Nonstop7h 00m

London Heathrow

Wed 31-12

00:00-18:00

Nonstop0h 00m

S$ 444

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Fri 11-12

18:35-06:35

Nonstop7h 00m

London Heathrow

Wed 31-12

00:00-18:00

Nonstop0h 00m

S$ 507

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Sat 12-12

18:35-06:35

Nonstop7h 00m

London Heathrow

Wed 31-12

00:00-18:00

Nonstop0h 00m

S$ 507

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Mon 11-1

18:35-06:35

Nonstop7h 00m

London Heathrow

Sun 24-1

10:35-13:50

Nonstop8h 15m

S$ 1,065

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Mon 28-9

18:45-06:50

Nonstop7h 05m

London Heathrow

Mon 19-10

13:45-16:40

Nonstop7h 55m

S$ 1,066

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Tue 15-12

18:35-06:35

Nonstop7h 00m

London Heathrow

Sun 17-1

13:10-16:15

Nonstop8h 05m

S$ 1,119

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Tue 15-12

18:35-06:35

Nonstop7h 00m

London Heathrow

Sat 16-1

13:10-16:15

Nonstop8h 05m

S$ 1,119

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Thu 29-10

19:35-06:35

Nonstop7h 00m

London Heathrow

Mon 2-11

13:10-16:15

Nonstop8h 05m

S$ 1,128

Flights are sorted by cheapest return flights first.

Deals found on 10-9

Showing 1-10 of 35 resultsSorted by cheapest first

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Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.

PHL-SIN

PHL-LHR

PHL-CDG

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9-12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Find direct flights from Philadelphia within your budget

Best time to book a flight from Philadelphia

Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Pennsylvania cities

Book a direc flight from one of these other cities located in Pennsylvania.

Direct flights from North America cities

Book a direct flight from one of these popular origins located in North America.

Direct flights from United States

Book a direct flight from one of these popular origins located in United States.

Direct flights to United States

Consider flying direct to one of these destinations in United States

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S$ 444+ Direct flights from Philadelphia

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9-12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Find direct flights from Philadelphia within your budget

Best time to book a flight from Philadelphia

Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Pennsylvania cities

Book a direc flight from one of these other cities located in Pennsylvania.

Direct flights from North America cities

Book a direct flight from one of these popular origins located in North America.

Direct flights from United States

Book a direct flight from one of these popular origins located in United States.

Direct flights to United States

Consider flying direct to one of these destinations in United States

100% Free

Book With Flexibility

Travel Smart