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Get United's best fares today on flights from London to Philadelphia

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FromToDatesFare TypePrice

London (LHR)

Philadelphia (PHL)

Depart: 10/25/19

10/27/19

Roundtrip
from
$1,392*
Viewed:5hoursago

London (LHR)

Philadelphia (PHL)

Depart: 07/13/20

08/03/20

Roundtrip
from
$913*
Viewed:8hoursago

London (LHR)

Philadelphia (PHL)

Depart: 11/27/19

12/01/19

Roundtrip
from
$453*
Viewed:1dayago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Philadelphia

Monday few clouds
57°F 10/21/19
Tuesday moderate rain
62°F 10/22/19
Wednesday sky is clear
59°F 10/23/19
Thursday sky is clear
60°F 10/24/19
Friday overcast clouds
61°F 10/25/19
Saturday overcast clouds
54°F 10/26/19
Sunday sky is clear
55°F 10/27/19
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