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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 May , June 2026

27 May - 03 Jun $ 257.00
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
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10 May - 02 Jun $ 959.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
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11 May - 02 Jun $ 989.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Boston

28 May - 31 May $ 266.00
PHL
Philadelphia
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
PHL
Philadelphia
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12 May - 31 May $ 1,122.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
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10 May - 31 May $ 1,239.00
PHL
Philadelphia
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHL
Philadelphia
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One-way flights to Boston from Philadelphia

7:45 PM - 10:10 PM
United Airlines
1 Stops
4h 14m
PHL - BOS
$ 94
Kiwi
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7:45 PM - 10:15 PM
United Airlines
1 Stops
4h 14m
PHL - BOS
$ 189
Kiwi
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10:38 AM - 12:43 PM
United Airlines
1 Stops
3h 48m
PHL - BOS
$ 234
Kiwi
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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)
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.