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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001054802</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001498710</issuerCik>
      <issuerName>Spirit Airlines, Inc.</issuerName>
      <secFileNumber>001-35186</secFileNumber>
      <issuerAddress>
        <com:street1>1731 RADIANT DRIVE</com:street1>
        <com:city>DANIA BEACH</com:city>
        <com:stateOrCountry>FL</com:stateOrCountry>
        <com:zipCode>33004</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>954-447-7920</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JONES BARCLAY G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>29689</noOfUnitsSold>
      <aggregateMarketValue>25764.00</aggregateMarketValue>
      <noOfUnitsOutstanding>109523815</noOfUnitsOutstanding>
      <approxSaleDate>12/03/2024</approxSaleDate>
      <securitiesExchangeName>OTC</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/01/2012</acquiredDate>
      <natureOfAcquisitionTransaction>RSU / RSA - See Remarks</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Spirit Airlines, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>29689</amountOfSecuritiesAcquired>
      <paymentDate>06/01/2012</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The shares sold in this filing were acquired and paid for between 6/01/2012 and 01/30/2024.</remarks>
    <noticeSignature>
      <noticeDate>12/03/2024</noticeDate>
      <signature>BARCLAY G JONES</signature>
    </noticeSignature>
  </formData>
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144
0001054802
XXXXXXXX
LIVE
0001498710
Spirit Airlines, Inc.
001-35186
1731 RADIANT DRIVE
DANIA BEACH
FL
33004
954-447-7920
JONES BARCLAY G
Director
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
29689
25764.00
109523815
12/03/2024
OTC
Common
06/01/2012
RSU / RSA - See Remarks
Spirit Airlines, Inc.
N
29689
06/01/2012
Equity Compensation
Y
The shares sold in this filing were acquired and paid for between 6/01/2012 and 01/30/2024.
12/03/2024
BARCLAY G JONES