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

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

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

30 Jul - 10 Aug $ 1,986.00
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
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30 Jul - 10 Aug $ 2,598.00
LCY
London
Lufthansa
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Lufthansa
1 STOPS
LCY
London
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29 Jul - 11 Aug $ 3,397.00
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
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Last minute flights from London to Philadelphia

29 Jul - 01 Aug $ 1,985.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
PHL
Philadelphia
PHL
Philadelphia
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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30 Jul - 01 Aug $ 2,320.00
LCY
London
KLM Royal Dutch Airlines
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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30 Jul - 01 Aug $ 3,065.00
LCY
London
Swiss International Air Lines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Swiss International Air Lines
2 STOPS
LCY
London
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One-way flights to Philadelphia from London

6:00 PM - 8:58 PM
Frontier Airlines
3 Stops
35h 21m
LCY - PHL
$ 1,311
Kiwi
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9:10 AM - 2:36 PM
Aer Lingus
2 Stops
35h 50m
LCY - PHL
$ 1,785
Kiwi
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9:15 AM - 1:15 PM
United Airlines
1 Stops
11h 50m
LCY - PHL
$ 2,336
Kiwi
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How to find the cheapest flight from London (LCY) to Philadelphia (PHL)

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