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Cheap flights from Baltimore (BWI) to Boston (BOS)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Baltimore (BWI) to Boston (BOS)

How to find the cheapest flight from Baltimore (BWI) to Boston (BOS)
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How to find the cheapest flight from Baltimore (BWI) to Boston (BOS)
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How to find the cheapest flight from Baltimore (BWI) to Boston (BOS)
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Cheap flights from Baltimore to Boston in September , October 2026

28 Sep - 28 Oct $ 295.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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28 Sep - 02 Oct $ 454.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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28 Sep - 03 Oct $ 455.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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Last minute flights from Baltimore to Boston

28 Sep - 30 Sep $ 455.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
27 Sep - 30 Sep $ 546.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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27 Sep - 30 Sep $ 1,082.00
BWI
Baltimore
United Airlines
1 STOPS
BOS
Boston
BOS
Boston
United Airlines
1 STOPS
BWI
Baltimore
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One-way flights to Boston from Baltimore

6:00 AM - 9:30 AM
Frontier Airlines
1 Stops
6h 9m
BWI - BOS
$ 228
Kiwi
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9:27 AM - 7:16 AM
Frontier Airlines
1 Stops
24h 55m
BWI - BOS
$ 234
Kiwi
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7:05 PM - 9:24 PM
United Airlines
1 Stops
5h 49m
BWI - BOS
$ 544
Kiwi
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How to find the cheapest flight from Baltimore (BWI) to Boston (BOS)

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