<?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>
          <cik>0001850688</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>Gyurci John</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>2000</noOfUnitsSold>
      <aggregateMarketValue>38000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>56241005</noOfUnitsOutstanding>
      <approxSaleDate>06/05/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/05/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Option Granted - (Granted 11/21/2018)</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2000</amountOfSecuritiesAcquired>
      <paymentDate>06/05/2023</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Gyurci</name>
        <address>
          <com:street1>2005 Cargo Road</com:street1>
          <com:city>Minneapolis</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55450</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>04/03/2023</saleDate>
      <amountOfSecuritiesSold>374</amountOfSecuritiesSold>
      <grossProceeds>7301.66</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Gyurci</name>
        <address>
          <com:street1>2005 Cargo Road</com:street1>
          <com:city>Minneapolis</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55450</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/08/2023</saleDate>
      <amountOfSecuritiesSold>1012</amountOfSecuritiesSold>
      <grossProceeds>18231.12</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/05/2023</noticeDate>
      <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Gyurci</signature>
    </noticeSignature>
  </formData>
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144
0001850688
XXXXXXXX
LIVE
0001743907
Sun Country Airlines Holdings, Inc.
001-40217
2005 CARGO ROAD
MINNEAPOLIS
MN
55450
651-681-3900
Gyurci John
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
2000
38000.00
56241005
06/05/2023
NASDAQ
Common
06/05/2023
Option Granted - (Granted 11/21/2018)
Issuer
N
2000
06/05/2023
Cash
N
John Gyurci
2005 Cargo Road
Minneapolis
MN
55450
Common
04/03/2023
374
7301.66
John Gyurci
2005 Cargo Road
Minneapolis
MN
55450
Common
05/08/2023
1012
18231.12
06/05/2023
/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Gyurci