content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <!-- Field: Pseudo-Tag; ID: Name; Data: SCA Horus Holdings, LLC -->
            <cik>0001851327</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001743907</issuerCik>
        <issuerName>Sun Country Airlines Holdings, Inc.</issuerName>
        <secFileNumber>001-40217</secFileNumber>
        <issuerAddress>
          <com:street1>2005 Cargo Road</com:street1>
          <com:city>Minneapolis</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55450</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>651-681-3900</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SCA Horus Holdings, LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>10% stockholder</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Barclays Capital Inc.</name>
          <address>
            <com:street1>745 7th Avenue</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10019</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>4815000</noOfUnitsSold>
        <aggregateMarketValue>69432300.00</aggregateMarketValue>
        <noOfUnitsOutstanding>52939832</noOfUnitsOutstanding>
        <approxSaleDate>11/04/2024</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common stock</securitiesClassTitle>
        <acquiredDate>04/11/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Formation of issuer</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Sun Country Airlines Holdings, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>45332640</amountOfSecuritiesAcquired>
        <paymentDate>04/11/2018</paymentDate>
        <natureOfPayment>Formation of issuer</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/04/2024</noticeDate>
        <signature>/s/ James Elworth, Vice President and Assistant Secretary</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2907}]
text: 144
  0001851327
  XXXXXXXX
  LIVE
  0001743907
  Sun Country Airlines Holdings, Inc.
  001-40217
  2005 Cargo Road
  Minneapolis
  MN
  55450
  651-681-3900
  SCA Horus Holdings, LLC
  10% stockholder
  Common stock
  Barclays Capital Inc.
  745 7th Avenue
  New York
  NY
  10019
  4815000
  69432300.00
  52939832
  11/04/2024
  Nasdaq
  Common stock
  04/11/2018
  Formation of issuer
  Sun Country Airlines Holdings, Inc.
  N
  45332640
  04/11/2018
  Formation of issuer
  Y
  11/04/2024
  /s/ James Elworth, Vice President and Assistant Secretary