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Ultra Low Fare Flights from Boston (BOS) to Phoenix (PHX) with Spirit

Fly Boston to Phoenix 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 Boston (BOS) to Phoenix (PHX) with Spirit

Weather in Phoenix

Friday ,scattered clouds
103°F 07/03/2020
Saturday ,sky is clear
99°F 07/04/2020
Sunday ,sky is clear
102°F 07/05/2020
Monday ,sky is clear
98°F 07/06/2020
Tuesday ,sky is clear
97°F 07/07/2020
Wednesday ,sky is clear
99°F 07/08/2020
Thursday ,sky is clear
99°F 07/09/2020
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