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* These fares displayed include all taxes and fees for economy class travel and were found by Kayak users in the last 48 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charged additional fees for extra checked bags. Please check the carriers' sites.
 

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Best Fares: Baltimore to Boston*   any trip length

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Cheap flights from Baltimore (BWI) to Boston (BOS) by airline
These are the cheapest* Boston flights found by KAYAK users in the past 48 hours. Use the links to see if you can get a better deal!
 
£66+ Cheap flights from Baltimore, MD, United States (BWI) Travelling: (Apr 08 - Apr 12 2010)
Found 47h 27m ago on JetBlue Airways
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£87+ Cheap flights from Baltimore, MD, United States (BWI) Travelling: (Apr 01 - Apr 05 2010)
Found 42h 26m ago on AirTran
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