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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 April , May 2026

27 Apr - 06 May $ 1,389.00
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
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14 Apr - 09 May $ 2,020.00
PHL
Philadelphia
KLM Royal Dutch Airlines
1 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
PHL
Philadelphia
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10 Apr - 03 May $ 2,453.00
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to London

20 Apr - 30 Apr $ 1,389.00
PHL
Philadelphia
Iberia Airlines
2 STOPS
LCY
London
LCY
London
Iberia Airlines
2 STOPS
PHL
Philadelphia
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12 Apr - 30 Apr $ 1,525.00
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
PHL
Philadelphia
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10 Apr - 30 Apr $ 2,695.00
PHL
Philadelphia
Lufthansa
1 STOPS
LCY
London
LCY
London
Lufthansa
1 STOPS
PHL
Philadelphia
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One-way flights to London from Philadelphia

11:30 AM - 8:00 AM
Swiss International Air Lines
2 Stops
16h 10m
PHL - LCY
$ 558
Kiwi
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6:30 PM - 8:45 AM
Aer Lingus
1 Stops
10h 50m
PHL - LCY
$ 974
Kiwi
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6:30 PM - 8:45 AM
Aer Lingus
1 Stops
10h 50m
PHL - LCY
$ 1,021
Kiwi
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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)
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.