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 05/16/2019

    Fares From
    $60*

    One Way

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

Boston to Chicago 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. Boston (BOS) to Chicago (ORD)

    One Way

    Departing 09/18/2019

    Fares From
    $60*

Weather in Chicago

Sunday ,snow
-3°C 02/17/2019
Monday ,light snow
-3°C 02/18/2019
Tuesday ,light snow
-4°C 02/19/2019
Wednesday ,snow
-0°C 02/20/2019
Thursday ,light snow
1°C 02/21/2019
Friday ,sky is clear
-0°C 02/22/2019
Saturday ,light rain
2°C 02/23/2019
Powered by: OpenWeatherMap.org