Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from London to Philadelphia in February , March 2026

25 Feb - 26 Mar $ 964.00
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
Pick dates
16 Feb - 09 Mar $ 1,652.00
LCY
London
Lufthansa
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Lufthansa
1 STOPS
LCY
London
Pick dates
16 Feb - 05 Mar $ 1,841.00
LCY
London
Aer Lingus
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
Pick dates

Last minute flights from London to Philadelphia

18 Feb - 01 Mar $ 1,128.00
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
Pick dates
19 Feb - 01 Mar $ 1,169.00
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
Pick dates
25 Feb - 01 Mar $ 1,358.00
LCY
London
Aer Lingus
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Aer Lingus
1 STOPS
LCY
London
Pick dates

One-way flights to Philadelphia from London

9:20 AM - 6:08 PM
Swiss International Air Lines
2 Stops
16h 49m
LCY - PHL
$ 721
Kiwi
Pick dates
9:15 AM - 6:08 PM
Swiss International Air Lines
2 Stops
16h 54m
LCY - PHL
$ 721
Kiwi
Pick dates
6:50 AM - 11:30 AM
Aer Lingus
1 Stops
12h 5m
LCY - PHL
$ 1,220
Kiwi
Pick dates

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

Related info for your journey
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.
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.