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Ultra Low Fare Flights from Philadelphia (PHL) to Seattle (SEA) with Spirit

Fly Philadelphia to Seattle 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 Philadelphia (PHL) to Seattle (SEA) with Spirit

Philadelphia to Seattle 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. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 02/02/2021

    Fares From
    $106*
  2. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 12/02/2020

    Fares From
    $106*
  3. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 12/03/2020

    Fares From
    $106*
  4. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 12/04/2020

    Fares From
    $106*
  5. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 12/15/2020

    Fares From
    $106*
  6. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 01/20/2021

    Fares From
    $106*
  7. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 01/23/2021

    Fares From
    $106*
  8. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 01/26/2021

    Fares From
    $106*
  9. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 01/27/2021

    Fares From
    $106*
  10. Philadelphia (PHL) to Seattle (SEA)

    One Way

    Departing 01/30/2021

    Fares From
    $106*

Weather in Seattle

Saturday ,overcast clouds
62°F 08/08/2020
Sunday ,sky is clear
73°F 08/09/2020
Monday ,sky is clear
80°F 08/10/2020
Tuesday ,broken clouds
74°F 08/11/2020
Wednesday ,overcast clouds
69°F 08/12/2020
Thursday ,scattered clouds
73°F 08/13/2020
Friday ,sky is clear
76°F 08/14/2020
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