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S$444 Cheap Flights from Philadelphia to London

View S$444 flight on Tue, 29 Dec, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to London

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Cheap Flights from Philadelphia to London (PHL-LON)

Prices were available within the past 7 days and start at S$444 for one-way flights and S$1,063 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 26 Oct - Mon, 2 Nov
PHL
Philadelphia
LGW
London
S$1,063 Return, found 1 day ago
S$1,063
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Philadelphia to London, returning Mon, 2 Nov, priced at S$1,063 found 1 day ago
United
Mon, 26 Oct - Mon, 2 Nov
PHL
Philadelphia
LGW
London
S$1,096 Return, found 1 day ago
S$1,096
Return
found 1 day ago
Select United flight, departing Mon, 26 Oct from Philadelphia to London, returning Mon, 2 Nov, priced at S$1,096 found 1 day ago
Delta
Mon, 26 Oct - Mon, 2 Nov
PHL
Philadelphia
LGW
London
S$1,099 Return, found 1 day ago
S$1,099
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Philadelphia to London, returning Mon, 2 Nov, priced at S$1,099 found 1 day ago
Delta
Mon, 26 Oct - Mon, 2 Nov
PHL
Philadelphia
LGW
London
S$1,099 Return, found 1 day ago
S$1,099
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Philadelphia to London, returning Mon, 2 Nov, priced at S$1,099 found 1 day ago
United
Mon, 26 Oct - Mon, 2 Nov
PHL
Philadelphia
LGW
London
S$1,107 Return, found 1 day ago
S$1,107
Return
found 1 day ago
Select United flight, departing Mon, 26 Oct from Philadelphia to London, returning Mon, 2 Nov, priced at S$1,107 found 1 day ago
Delta
Mon, 26 Oct - Mon, 2 Nov
PHL
Philadelphia
LGW
London
S$1,111 Return, found 1 day ago
S$1,111
Return
found 1 day ago
Select Delta flight, departing Mon, 26 Oct from Philadelphia to London, returning Mon, 2 Nov, priced at S$1,111 found 1 day ago
Finnair
Sat, 24 Oct - Sat, 31 Oct
PHL
Philadelphia
LHR
London
S$1,115 Return, found 3 days ago
S$1,115
Return
found 3 days ago
Select Finnair flight, departing Sat, 24 Oct from Philadelphia to London, returning Sat, 31 Oct, priced at S$1,115 found 3 days ago
Virgin Atlantic
Sat, 24 Oct - Sat, 31 Oct
PHL
Philadelphia
LHR
London
S$1,123 Return, found 3 days ago
S$1,123
Return
found 3 days ago
Select Virgin Atlantic flight, departing Sat, 24 Oct from Philadelphia to London, returning Sat, 31 Oct, priced at S$1,123 found 3 days ago
Delta
Sat, 24 Oct - Sat, 31 Oct
PHL
Philadelphia
LHR
London
S$1,123 Return, found 3 days ago
S$1,123
Return
found 3 days ago
Select Delta flight, departing Sat, 24 Oct from Philadelphia to London, returning Sat, 31 Oct, priced at S$1,123 found 3 days ago
Air Canada
Sat, 24 Oct - Sat, 31 Oct
PHL
Philadelphia
LHR
London
S$1,128 Return, found 3 days ago
S$1,128
Return
found 3 days ago
Select Air Canada flight, departing Sat, 24 Oct from Philadelphia to London, returning Sat, 31 Oct, priced at S$1,128 found 3 days ago

Find the cheapest month to fly from Philadelphia (PHL) to London (LON)

August is typically the cheapest month to fly

From S$1,014 - S$1,622 per traveller.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Gatwick
Return price
S$1,063
Distance
5686 km

Book with confidence

Perfect flights from Philadelphia to London

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With Expedia, you have access to a wide range of airlines, including United, Air Canada, British Airways, Delta, KLM, American Airlines, Finnair, Virgin Atlantic. Our selection of flights from Philadelphia Intl. to LON-All Airports caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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Experience the joy of finding cheap flights from Philadelphia Intl. to LON-All Airports that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$444 and roundtrip prices from S$1,063*.
 

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Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Philadelphia to London.
 

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Book Your Flight from Philadelphia to London with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Philadelphia to London

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