<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001955367</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001692115</issuerCik>
            <issuerName>SOUTHWEST GAS HOLDINGS INC.</issuerName>
            <secFileNumber>001-37976</secFileNumber>
            <issuerAddress>
                <ns2:street1>8360 S Durango Drive</ns2:street1>
                <ns2:city>Las Vegas</ns2:city>
                <ns2:stateOrCountry>NV</ns2:stateOrCountry>
                <ns2:zipCode>89113</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>702-876-7237</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ROBERT J STEFANI</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>10233</noOfUnitsSold>
            <aggregateMarketValue>742545.37</aggregateMarketValue>
            <noOfUnitsOutstanding>71711480</noOfUnitsOutstanding>
            <approxSaleDate>08/27/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/01/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>49</amountOfSecuritiesAcquired>
            <paymentDate>03/01/2024</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/21/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>5688</amountOfSecuritiesAcquired>
            <paymentDate>11/21/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/04/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1592</amountOfSecuritiesAcquired>
            <paymentDate>01/04/2024</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/02/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2904</amountOfSecuritiesAcquired>
            <paymentDate>05/02/2024</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>ROBERT J STEFANI</name>
                <address>
                    <ns2:street1>8360 S Durango Drive</ns2:street1>
                    <ns2:city>Las Vegas</ns2:city>
                    <ns2:stateOrCountry>NV</ns2:stateOrCountry>
                    <ns2:zipCode>89113</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/26/2024</saleDate>
            <amountOfSecuritiesSold>767</amountOfSecuritiesSold>
            <grossProceeds>56095.62</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>08/27/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Robert Jerome Stefani</signature>
        </noticeSignature>
    </formData>
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144
0001955367
XXXXXXXX
LIVE
0001692115
SOUTHWEST GAS HOLDINGS INC.
001-37976
8360 S Durango Drive
Las Vegas
NV
89113
702-876-7237
ROBERT J STEFANI
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
10233
742545.37
71711480
08/27/2024
NYSE
Common
03/01/2024
Restricted stock vesting under a registered plan
Issuer
N
49
03/01/2024
Not Applicable
Common
11/21/2023
Restricted stock vesting under a registered plan
Issuer
N
5688
11/21/2023
Not Applicable
Common
01/04/2024
Restricted stock vesting under a registered plan
Issuer
N
1592
01/04/2024
Not Applicable
Common
05/02/2024
Restricted stock vesting under a registered plan
Issuer
N
2904
05/02/2024
Not Applicable
N
ROBERT J STEFANI
8360 S Durango Drive
Las Vegas
NV
89113
Common
08/26/2024
767
56095.62
08/27/2024
/s/ Robert Jerome Stefani