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Ultra Low Fare Flights from Chicago (ORD) to Boston (BOS) with Spirit

Fly Chicago 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. ORD-BOS

    Chicago to Boston

    Departing 09/18/2019

    Fares From
    $49*

    One Way

  2. ORD-BOS

    Chicago to Boston

    Departing 09/21/2019

    Fares From
    $49*

    One Way

  3. ORD-BOS

    Chicago to Boston

    Departing 09/25/2019

    Fares From
    $49*

    One Way

  4. ORD-BOS

    Chicago to Boston

    Departing 09/28/2019

    Fares From
    $49*

    One Way

  5. ORD-BOS

    Chicago to Boston

    Departing 09/11/2019

    Fares From
    $49*

    One Way

  6. ORD-BOS

    Chicago to Boston

    Departing 11/09/2019

    Fares From
    $49*

    One Way

Ultra Low Fare Flights from Chicago (ORD) to Boston (BOS) with Spirit

Weather in Boston

Wednesday ,few clouds
69°F 08/21/2019
Thursday ,sky is clear
85°F 08/22/2019
Friday ,moderate rain
74°F 08/23/2019
Saturday ,sky is clear
69°F 08/24/2019
Sunday ,light rain
70°F 08/25/2019
Monday ,overcast clouds
63°F 08/26/2019
Tuesday ,light rain
62°F 08/27/2019
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