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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

    From Boston to Chicago

    Departing 10/24/2018

    Fares From
    $44*

    One-way

  2. BOS-ORD

    From Boston to Chicago

    Departing 10/30/2018

    Fares From
    $44*

    One-way

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

Weather in Chicago

Thursday ,sky is clear
11°C 10/18/2018
Friday ,light rain
12°C 10/19/2018
Saturday ,light rain
10°C 10/20/2018
Sunday ,sky is clear
7°C 10/21/2018
Monday ,sky is clear
10°C 10/22/2018
Tuesday ,light rain
12°C 10/23/2018
Wednesday ,sky is clear
12°C 10/24/2018
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