Book United Boston to Philadelphia flight deals from $394

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Plan ahead for flights from Boston to Philadelphia

from
to
Type
Dates
Price*
Boston (BOS)
to Philadelphia (PHL)
Roundtrip
Depart: 12/21/18
Return: 01/05/19
from$ 394*Viewed: 1 hour ago
Boston (BOS)
to Philadelphia (PHL)
Roundtrip
Depart: 12/22/18
Return: 01/06/19
from$ 419*Viewed: 1 hour ago
Boston (BOS)
to Philadelphia (PHL)
Roundtrip
Depart: 12/28/18
Return: 01/01/19
from$ 529*Viewed: 19 hours ago
Boston (BOS)
to Philadelphia (PHL)
Roundtrip
Depart: 12/23/18
Return: 01/07/19
from$ 595*Viewed: 1 hour ago
*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

50 °FFriday12/14/2018
44 °FSaturday12/15/2018
41 °FSunday12/16/2018
39 °FMonday12/17/2018
38 °FTuesday12/18/2018
43 °FWednesday12/19/2018
39 °FThursday12/20/2018
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