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Ultra Low Fare Flights from Boston (BOS) to San Juan (SJU) with Spirit

Fly Boston to San Juan 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 San Juan (SJU) with Spirit

Boston to San Juan 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 San Juan (SJU)

    One Way

    Departing 05/02/2020

    Fares From
    $86*
  2. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/04/2020

    Fares From
    $86*
  3. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/05/2020

    Fares From
    $86*
  4. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/06/2020

    Fares From
    $86*
  5. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/09/2020

    Fares From
    $86*
  6. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/11/2020

    Fares From
    $86*
  7. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/12/2020

    Fares From
    $86*
  8. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/13/2020

    Fares From
    $86*
  9. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/16/2020

    Fares From
    $86*
  10. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 05/18/2020

    Fares From
    $86*

Weather in San Juan

Tuesday ,moderate rain
77°F 12/10/2019
Wednesday ,moderate rain
81°F 12/11/2019
Thursday ,moderate rain
80°F 12/12/2019
Friday ,moderate rain
80°F 12/13/2019
Saturday ,moderate rain
81°F 12/14/2019
Sunday ,light rain
82°F 12/15/2019
Monday ,moderate rain
81°F 12/16/2019
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