Select journey type

Enter to select travel class and passengers

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 12/09/2020

    Fares From
    $67*
  2. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 12/08/2020

    Fares From
    $67*
  3. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 10/03/2020

    Fares From
    $67*
  4. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 10/24/2020

    Fares From
    $67*
  5. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 08/31/2020

    Fares From
    $67*
  6. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 09/01/2020

    Fares From
    $67*
  7. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 09/02/2020

    Fares From
    $67*
  8. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 09/10/2020

    Fares From
    $67*
  9. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 09/11/2020

    Fares From
    $67*
  10. Boston (BOS) to San Juan (SJU)

    One Way

    Departing 09/12/2020

    Fares From
    $67*

Weather in San Juan

Sunday ,scattered clouds
88°F 05/31/2020
Monday ,light rain
86°F 06/01/2020
Tuesday ,light rain
86°F 06/02/2020
Wednesday ,light rain
86°F 06/03/2020
Thursday ,light rain
85°F 06/04/2020
Friday ,light rain
84°F 06/05/2020
Saturday ,light rain
85°F 06/06/2020
Powered by: OpenWeatherMap.org