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Ultra Low Fare Flights from Baltimore (BWI) to Boston (BOS) with Spirit

Fly Baltimore to Boston and Save Big

*Fares presented below are available at the beginning of each day, but may sell out. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.

  1. BWI-BOS

    From Baltimore to Boston

    Departing 11/06/2018

    Fares From
    $41*

    One-way

  2. BWI-BOS

    From Baltimore to Boston

    Departing 11/28/2018

    Fares From
    $41*

    One-way

  3. BWI-BOS

    From Baltimore to Boston

    Departing 12/12/2018

    Fares From
    $41*

    One-way

  4. BWI-BOS

    From Baltimore to Boston

    Departing 11/14/2018

    Fares From
    $41*

    One-way

  5. BWI-BOS

    From Baltimore to Boston

    Departing 10/10/2018

    Fares From
    $41*

    One-way

  6. BWI-BOS

    From Baltimore to Boston

    Departing 10/24/2018

    Fares From
    $41*

    One-way

Ultra Low Fare Flights from Baltimore (BWI) to Boston (BOS) with Spirit

Baltimore to Boston Flight Deals

*Fares presented below are available at the beginning of each day, but may sell out. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.

  1. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 01/11/2019

    Fares From
    $51*
  2. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 02/01/2019

    Fares From
    $51*
  3. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 01/26/2019

    Fares From
    $51*
  4. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 02/27/2019

    Fares From
    $51*
  5. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 02/24/2019

    Fares From
    $51*
  6. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 01/18/2019

    Fares From
    $51*
  7. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 02/05/2019

    Fares From
    $51*
  8. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 01/04/2019

    Fares From
    $70*
  9. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 12/25/2018

    Fares From
    $70*
  10. From Baltimore (BWI) to Boston (BOS)

    One-way

    Departing 01/01/2019

    Fares From
    $91*