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Cheap flights from Baltimore (BWI) 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 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 July , August 2026

26 Jul - 13 Aug $ 336.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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26 Jul - 04 Aug $ 356.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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31 Jul - 06 Aug $ 706.00
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

26 Jul - 31 Jul $ 521.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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26 Jul - 31 Jul $ 533.00
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
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29 Jul - 31 Jul $ 1,112.00
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

9:37 PM - 5:05 AM
Frontier Airlines
1 Stops
10h 9m
BWI - BOS
$ 209
Kiwi
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9:37 PM - 5:01 AM
Frontier Airlines
1 Stops
10h 5m
BWI - BOS
$ 237
Kiwi
Pick dates
9:37 PM - 5:05 AM
Frontier Airlines
1 Stops
10h 9m
BWI - BOS
$ 239
Kiwi
Pick dates

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.