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Ultra Low Fare Flights from Boston (BOS) to San Diego (SAN) with Spirit

Fly Boston to San Diego 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-SAN

    Boston to San Diego

    Departing 02/06/2019

    Fares From
    $84*

    One Way

  2. BOS-SAN

    Boston to San Diego

    Departing 02/06/2019

    Fares From
    $84*

    One Way

  3. BOS-SAN

    Boston to San Diego

    Departing 02/12/2019

    Fares From
    $84*

    One Way

  4. BOS-SAN

    Boston to San Diego

    Departing 02/12/2019

    Fares From
    $84*

    One Way

  5. BOS-SAN

    Boston to San Diego

    Departing 02/13/2019

    Fares From
    $84*

    One Way

  6. BOS-SAN

    Boston to San Diego

    Departing 02/13/2019

    Fares From
    $84*

    One Way

Ultra Low Fare Flights from Boston (BOS) to San Diego (SAN) with Spirit

Boston to San Diego 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 Diego (SAN)

    One Way

    Departing 05/04/2019

    Fares From
    $162*
  2. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 05/04/2019

    Fares From
    $162*
  3. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 05/08/2019

    Fares From
    $162*
  4. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 05/11/2019

    Fares From
    $162*
  5. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 05/14/2019

    Fares From
    $162*
  6. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 05/14/2019

    Fares From
    $162*
  7. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 05/15/2019

    Fares From
    $162*
  8. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 08/20/2019

    Fares From
    $162*
  9. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 08/21/2019

    Fares From
    $162*
  10. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 08/21/2019

    Fares From
    $162*

Weather in San Diego

Wednesday ,light rain
19°C 01/16/2019
Thursday ,heavy intensity rain
13°C 01/17/2019
Friday ,light rain
13°C 01/18/2019
Saturday ,sky is clear
13°C 01/19/2019
Sunday ,sky is clear
15°C 01/20/2019
Monday ,sky is clear
14°C 01/21/2019
Tuesday ,sky is clear
14°C 01/22/2019
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