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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 June , July 2026

30 Jun - 08 Jul $ 351.00
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
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30 Jun - 11 Jul $ 410.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
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30 Jun - 04 Jul $ 620.00
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

29 Jun - 30 Jun $ 557.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
Pick dates
29 Jun - 30 Jun $ 557.00
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
Pick dates
30 Jun - 30 Jun $ 741.00
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
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One-way flights to Philadelphia from Boston

9:10 AM - 8:12 PM
Frontier Airlines
1 Stops
13h 19m
BOS - PHL
$ 220
Kiwi
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5:45 AM - 8:35 AM
United Airlines
1 Stops
4h
BOS - PHL
$ 279
Kiwi
Pick dates
5:45 AM - 8:35 AM
United Airlines
1 Stops
4h
BOS - PHL
$ 279
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.