Select journey type

Enter to select travel class and passengers

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

Fly Boston to Chicago 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. BOS-ORD

    Boston to Chicago

    Departing 10/23/2018

    Fares From
    $39*

    One-way

  2. BOS-ORD

    Boston to Chicago

    Departing 09/12/2018

    Fares From
    $39*

    One-way

  3. BOS-ORD

    Boston to Chicago

    Departing 10/31/2018

    Fares From
    $39*

    One-way

  4. BOS-ORD

    Boston to Chicago

    Departing 10/27/2018

    Fares From
    $39*

    One-way

  5. BOS-ORD

    Boston to Chicago

    Departing 11/03/2018

    Fares From
    $39*

    One-way

  6. BOS-ORD

    Boston to Chicago

    Departing 09/18/2018

    Fares From
    $39*

    One-way

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

Weather in Chicago

Monday ,moderate rain
25°C 08/20/2018
Tuesday ,moderate rain
22°C 08/21/2018
Wednesday ,sky is clear
21°C 08/22/2018
Thursday ,sky is clear
25°C 08/23/2018
Friday ,light rain
26°C 08/24/2018
Saturday ,sky is clear
32°C 08/25/2018
Sunday ,sky is clear
31°C 08/26/2018
Powered by: OpenWeatherMap.org