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

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0 Children (2~11)
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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 December 2025 , January 2026

29 Dec - 17 Jan $ 220.00
BWI
Baltimore
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
BWI
Baltimore
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23 Dec - 10 Jan $ 282.00
BWI
Baltimore
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
BWI
Baltimore
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16 Dec - 16 Jan $ 1,310.00
BWI
Baltimore
Hawaiian Airlines
1 STOPS
BOS
Boston
BOS
Boston
Hawaiian Airlines
1 STOPS
BWI
Baltimore
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Last minute flights from Baltimore to Boston

29 Dec - 31 Dec $ 348.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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23 Dec - 31 Dec $ 486.00
BWI
Baltimore
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
BWI
Baltimore
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17 Dec - 31 Dec $ 1,250.00
BWI
Baltimore
Spirit Airlines
1 STOPS
BOS
Boston
BOS
Boston
Spirit Airlines
1 STOPS
BWI
Baltimore
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One-way flights to Boston from Baltimore

9:09 PM - 7:00 AM
Spirit Airlines
1 Stops
12h 52m
BWI - BOS
$ 159
Kiwi
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6:15 AM - 6:11 PM
United Airlines
1 Stops
15h 29m
BWI - BOS
$ 203
Kiwi
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10:44 AM - 1:55 PM
United Airlines
1 Stops
6h 33m
BWI - BOS
$ 548
Kiwi
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How to find the cheapest flight from Baltimore (BWI) to Boston (BOS)

Related info for your journey
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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.