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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.

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

Weather in Boston

Tuesday ,light rain
58°F 10/22/2019
Wednesday ,light rain
59°F 10/23/2019
Thursday ,few clouds
58°F 10/24/2019
Friday ,overcast clouds
58°F 10/25/2019
Saturday ,moderate rain
56°F 10/26/2019
Sunday ,sky is clear
51°F 10/27/2019
Monday ,sky is clear
56°F 10/28/2019
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