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Cheap flights from Philadelphia (PHL) to London (LCY)

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How to find the cheapest flight from Philadelphia (PHL) to London (LCY)

How to find the cheapest flight from Philadelphia (PHL) to London (LCY)
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How to find the cheapest flight from Philadelphia (PHL) to London (LCY)
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How to find the cheapest flight from Philadelphia (PHL) to London (LCY)
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Cheap flights from Philadelphia to London in January , February 2026

25 Jan - 11 Feb $ 1,003.00
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
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18 Jan - 04 Feb $ 1,594.00
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
PHL
Philadelphia
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18 Jan - 05 Feb $ 1,594.00
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to London

18 Jan - 02 Feb $ 1,152.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
PHL
Philadelphia
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18 Jan - 01 Feb $ 1,267.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
PHL
Philadelphia
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18 Jan - 01 Feb $ 1,418.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
PHL
Philadelphia
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One-way flights to London from Philadelphia

1:10 PM - 4:25 PM
Swiss International Air Lines
2 Stops
22h 55m
PHL - LCY
$ 412
Kiwi
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5:40 PM - 8:45 AM
Lufthansa
1 Stops
10h 35m
PHL - LCY
$ 416
Kiwi
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9:25 PM - 11:10 AM
Aer Lingus
1 Stops
10h 15m
PHL - LCY
$ 667
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to London (LCY)

Related info for your journey
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How to find the cheapest flight from Philadelphia (PHL) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Philadelphia (PHL) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.