Select journey type

Enter to select travel class and passengers

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.

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 07/07/2020

    Fares From
    $45*
  2. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/08/2020

    Fares From
    $45*
  3. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/14/2020

    Fares From
    $45*
  4. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/15/2020

    Fares From
    $45*
  5. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/21/2020

    Fares From
    $45*
  6. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/22/2020

    Fares From
    $45*
  7. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/28/2020

    Fares From
    $45*
  8. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 07/29/2020

    Fares From
    $45*
  9. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 08/18/2020

    Fares From
    $45*
  10. Boston (BOS) to San Diego (SAN)

    One Way

    Departing 08/19/2020

    Fares From
    $45*

Weather in San Diego

Sunday ,light rain
59°F 04/05/2020
Monday ,heavy intensity rain
59°F 04/06/2020
Tuesday ,moderate rain
59°F 04/07/2020
Wednesday ,light rain
57°F 04/08/2020
Thursday ,light rain
60°F 04/09/2020
Friday ,scattered clouds
63°F 04/10/2020
Saturday ,overcast clouds
60°F 04/11/2020
Powered by: OpenWeatherMap.org