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

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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 Philadelphia (PHL) to Boston (BOS)

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

29 Jun - 18 Jul $ 421.00
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
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30 Jun - 10 Jul $ 442.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
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29 Jun - 04 Jul $ 482.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Boston

29 Jun - 30 Jun $ 557.00
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates
29 Jun - 30 Jun $ 557.00
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
Pick dates
29 Jun - 30 Jun $ 1,016.00
PHL
Philadelphia
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to Boston from Philadelphia

3:10 PM - 5:25 PM
United Airlines
1 Stops
4h 4m
PHL - BOS
$ 279
Kiwi
Pick dates
10:32 AM - 12:55 PM
United Airlines
1 Stops
4h 8m
PHL - BOS
$ 279
Kiwi
Pick dates
3:10 PM - 5:25 PM
United Airlines
1 Stops
4h 4m
PHL - BOS
$ 320
Kiwi
Pick dates

How to find the cheapest flight from Philadelphia (PHL) to Boston (BOS)

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