Select journey type

Enter to select travel class and passengers

Ultra Low Fare Flights from Boston (BOS) to Austin (AUS) with Spirit

Fly Boston to Austin 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-AUS

    Boston to Austin

    Departing 09/09/2019

    Fares From
    $72*

    One Way

  2. BOS-AUS

    Boston to Austin

    Departing 09/06/2019

    Fares From
    $74*

    One Way

  3. BOS-AUS

    Boston to Austin

    Departing 09/04/2019

    Fares From
    $74*

    One Way

  4. BOS-AUS

    Boston to Austin

    Departing 09/07/2019

    Fares From
    $74*

    One Way

  5. BOS-AUS

    Boston to Austin

    Departing 08/28/2019

    Fares From
    $74*

    One Way

  6. BOS-AUS

    Boston to Austin

    Departing 08/31/2019

    Fares From
    $74*

    One Way

Ultra Low Fare Flights from Boston (BOS) to Austin (AUS) with Spirit

Boston to Austin 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 Austin (AUS)

    One Way

    Departing 12/05/2019

    Fares From
    $96*
  2. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/09/2019

    Fares From
    $101*
  3. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/16/2019

    Fares From
    $101*
  4. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/10/2019

    Fares From
    $107*
  5. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/11/2019

    Fares From
    $107*
  6. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/12/2019

    Fares From
    $107*
  7. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/14/2019

    Fares From
    $107*
  8. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/17/2019

    Fares From
    $107*
  9. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/18/2019

    Fares From
    $107*
  10. Boston (BOS) to Austin (AUS)

    One Way

    Departing 12/07/2019

    Fares From
    $132*

Weather in Austin

Sunday ,light rain
98°F 08/25/2019
Monday ,sky is clear
94°F 08/26/2019
Tuesday ,sky is clear
94°F 08/27/2019
Wednesday ,scattered clouds
94°F 08/28/2019
Thursday ,broken clouds
96°F 08/29/2019
Friday ,sky is clear
95°F 08/30/2019
Saturday ,broken clouds
92°F 08/31/2019
Powered by: OpenWeatherMap.org