Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to Baltimore (BWI)

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

Cheap flights from Boston to Baltimore in August , September 2026

29 Aug - 10 Sep $ 457.00
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
Pick dates
26 Aug - 10 Sep $ 674.00
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
Pick dates
28 Aug - 10 Sep $ 793.00
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Baltimore

29 Aug - 01 Sep $ 690.00
BOS
Boston
Frontier Airlines
1 STOPS
BWI
Baltimore
BWI
Baltimore
Frontier Airlines
1 STOPS
BOS
Boston
Pick dates
26 Aug - 31 Aug $ 1,108.00
BOS
Boston
Alaska Airlines
1 STOPS
BWI
Baltimore
BWI
Baltimore
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
28 Aug - 31 Aug $ 1,141.00
BOS
Boston
United Airlines
1 STOPS
BWI
Baltimore
BWI
Baltimore
United Airlines
1 STOPS
BOS
Boston
Pick dates

One-way flights to Baltimore from Boston

10:04 AM - 7:10 PM
Frontier Airlines
1 Stops
11h 36m
BOS - BWI
$ 307
Kiwi
Pick dates
8:05 AM - 10:49 AM
United Airlines
1 Stops
5h 53m
BOS - BWI
$ 532
Kiwi
Pick dates
3:30 PM - 6:15 PM
United Airlines
1 Stops
5h 59m
BOS - BWI
$ 532
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Baltimore (BWI)

Related info for your journey
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 Boston (BOS) to Baltimore (BWI)
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 Boston (BOS) to Baltimore (BWI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.