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Cheap flights from Boston (BOS) to Philadelphia (PHL)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boston (BOS) to Philadelphia (PHL)

How to find the cheapest flight from Boston (BOS) to Philadelphia (PHL)
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How to find the cheapest flight from Boston (BOS) to Philadelphia (PHL)
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How to find the cheapest flight from Boston (BOS) to Philadelphia (PHL)
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Cheap flights from Boston to Philadelphia in January , February 2026

26 Jan - 04 Feb $ 225.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
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21 Jan - 03 Feb $ 999.00
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
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21 Jan - 04 Feb $ 999.00
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
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Last minute flights from Boston to Philadelphia

30 Jan - 31 Jan $ 228.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
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20 Jan - 01 Feb $ 1,273.00
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
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21 Jan - 01 Feb $ 1,273.00
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
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One-way flights to Philadelphia from Boston

5:45 AM - 8:20 AM
United Airlines
1 Stops
3h 52m
BOS - PHL
$ 114
Kiwi
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5:45 AM - 8:20 AM
United Airlines
1 Stops
3h 52m
BOS - PHL
$ 152
Kiwi
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9:30 AM - 12:55 PM
United Airlines
1 Stops
4h 40m
BOS - PHL
$ 152
Kiwi
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How to find the cheapest flight from Boston (BOS) to Philadelphia (PHL)

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