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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 December 2025 , January 2026

23 Dec - 06 Jan $ 169.00
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
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31 Dec - 08 Jan $ 252.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
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21 Dec - 03 Jan $ 706.00
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
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Last minute flights from Boston to Philadelphia

23 Dec - 31 Dec $ 219.00
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
Pick dates
25 Dec - 31 Dec $ 244.00
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
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25 Dec - 31 Dec $ 457.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
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One-way flights to Philadelphia from Boston

11:02 AM - 9:30 PM
Frontier Airlines
1 Stops
11h 56m
BOS - PHL
$ 87
Kiwi
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7:44 PM - 10:20 PM
United Airlines
1 Stops
3h 46m
BOS - PHL
$ 154
Kiwi
Pick dates
7:44 PM - 10:20 PM
United Airlines
1 Stops
3h 46m
BOS - PHL
$ 233
Kiwi
Pick dates

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.