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>
            <cik>0001671358</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001670076</issuerCik>
        <issuerName>Frontier Group Holdings, INc. </issuerName>
        <secFileNumber>001-40304</secFileNumber>
        <issuerAddress>
          <com:street1>4545 Airport Way</com:street1>
          <com:city>Denver</com:city>
          <com:stateOrCountry>CO</com:stateOrCountry>
          <com:zipCode>80239</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>7203744200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Howard Diamond</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>UBS Financial Services Inc</name>
          <address>
            <com:street1>1000 Harbor Blvd</com:street1>
            <com:street2>3rd Floor</com:street2>
            <com:city>Weehawken</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>07086</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>190000</noOfUnitsSold>
        <aggregateMarketValue>1529500</aggregateMarketValue>
        <noOfUnitsOutstanding>218516579</noOfUnitsOutstanding>
        <approxSaleDate>05/08/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>common</securitiesClassTitle>
        <acquiredDate>05/08/2023</acquiredDate>
        <natureOfAcquisitionTransaction>stock option</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Frontier Holdings Group</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>190000</amountOfSecuritiesAcquired>
        <paymentDate>05/08/2023</paymentDate>
        <natureOfPayment>cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/08/2023</noticeDate>
        <signature>/s/ UBS Financial Services Inc, as attorney-in-fact for Howard Diamond</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2817}]
text: 144
  0001671358
  XXXXXXXX
  LIVE
  0001670076
  Frontier Group Holdings, INc.
  001-40304
  4545 Airport Way
  Denver
  CO
  80239
  7203744200
  Howard Diamond
  Officer
  common
  UBS Financial Services Inc
  1000 Harbor Blvd
  3rd Floor
  Weehawken
  NJ
  07086
  190000
  1529500
  218516579
  05/08/2023
  NASDAQ
  common
  05/08/2023
  stock option
  Frontier Holdings Group
  N
  190000
  05/08/2023
  cash
  Y
  05/08/2023
  /s/ UBS Financial Services Inc, as attorney-in-fact for Howard Diamond