<?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>0001855818</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001743907</issuerCik>
      <issuerName>Sun Country Airlines Holdings</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>6516813900</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Davis Brian Edward</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>FIDELITY BROKERAGE SERVICES LLC</name>
        <address>
          <com:street1>245 SUMMER STREET</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1337</noOfUnitsSold>
      <aggregateMarketValue>25035.33</aggregateMarketValue>
      <noOfUnitsOutstanding>56241005</noOfUnitsOutstanding>
      <approxSaleDate>05/01/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/31/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Sun Country Airlines Holdings</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1337</amountOfSecuritiesAcquired>
      <paymentDate>12/31/2020</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Brian Davis</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>Sun Country Airlines Holdings</securitiesClassTitle>
      <saleDate>05/01/2023</saleDate>
      <amountOfSecuritiesSold>1326</amountOfSecuritiesSold>
      <grossProceeds>25480.01</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>BRIAN DAVIS</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>SUN COUNTRY AIRLINES HOLDINGS</securitiesClassTitle>
      <saleDate>04/03/2023</saleDate>
      <amountOfSecuritiesSold>406</amountOfSecuritiesSold>
      <grossProceeds>7926.78</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>BRIAN DAVIS</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>SUN COUNTRY AIRLINES HOLDINGS</securitiesClassTitle>
      <saleDate>01/04/2023</saleDate>
      <amountOfSecuritiesSold>126</amountOfSecuritiesSold>
      <grossProceeds>2036.37</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/05/2023</noticeDate>
      <signature>Daniel Gardea as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Brian Davis</signature>
    </noticeSignature>
  </formData>
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144
0001855818
XXXXXXXX
LIVE
0001743907
Sun Country Airlines Holdings
001-40217
2005 Cargo Road
Minneapolis
MN
55450
6516813900
Davis Brian Edward
Officer
Common
FIDELITY BROKERAGE SERVICES LLC
245 SUMMER STREET
Boston
MA
02110
1337
25035.33
56241005
05/01/2023
NYSE
Common
12/31/2020
Stock Award
Sun Country Airlines Holdings
N
1337
12/31/2020
Compensation
N
Brian Davis
2005 Cargo Road
Minneapolis
MN
55450
Sun Country Airlines Holdings
05/01/2023
1326
25480.01
BRIAN DAVIS
2005 CARGO ROAD
MINNEAPOLIS
MN
55450
SUN COUNTRY AIRLINES HOLDINGS
04/03/2023
406
7926.78
BRIAN DAVIS
2005 CARGO ROAD
MINNEAPOLIS
MN
55450
SUN COUNTRY AIRLINES HOLDINGS
01/04/2023
126
2036.37
05/05/2023
Daniel Gardea as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Brian Davis