<SEC-DOCUMENT>0002007448-26-000001.txt : 20260109
<SEC-HEADER>0002007448-26-000001.hdr.sgml : 20260109
<ACCEPTANCE-DATETIME>20260109160718
ACCESSION NUMBER:		0002007448-26-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260108
FILED AS OF DATE:		20260109
DATE AS OF CHANGE:		20260109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Clerc Alexandre
		CENTRAL INDEX KEY:			0002007448
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40304
		FILM NUMBER:		26523127

	MAIL ADDRESS:	
		STREET 1:		C/O FRONTIER GROUP HOLDINGS, INC.
		STREET 2:		4545 AIRPORT WAY
		CITY:			DENVER
		STATE:			CO
		ZIP:			80239

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Frontier Group Holdings, Inc.
		CENTRAL INDEX KEY:			0001670076
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				463681866
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4545 AIRPORT WAY
		CITY:			DENVER
		STATE:			CO
		ZIP:			80239
		BUSINESS PHONE:		(720) 374-4490

	MAIL ADDRESS:	
		STREET 1:		4545 AIRPORT WAY
		CITY:			DENVER
		STATE:			CO
		ZIP:			80239
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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        <issuerName>Frontier Group Holdings, Inc.</issuerName>
        <issuerTradingSymbol>ULCC</issuerTradingSymbol>
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            <rptOwnerCik>0002007448</rptOwnerCik>
            <rptOwnerName>Clerc Alexandre</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FRONTIER GROUP HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4545 AIRPORT WAY</rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80239</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>SVP, Customers</officerTitle>
            <otherText></otherText>
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    <derivativeTable>
        <derivativeTransaction>
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                <value>Restricted Stock Units</value>
            </securityTitle>
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            <transactionAmounts>
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                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
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            </transactionAmounts>
            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F2"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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            </securityTitle>
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                </transactionShares>
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                </underlyingSecurityTitle>
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                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">Relates solely to the settlement of previously granted Restricted Stock Units upon vesting. No shares were sold by the Reporting Person.</footnote>
        <footnote id="F2">Each Restricted Stock Unit represents a contingent right to receive one share of Issuer Common Stock. The Restricted Stock Units have no expiration date.</footnote>
        <footnote id="F3">Represents shares of Issuer Common Stock withheld by the Issuer solely to satisfy tax withholding obligations in connection with the net issuance of shares of Issuer Common Stock delivered to the Reporting Person on January 8, 2026, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.</footnote>
        <footnote id="F4">The remaining Restricted Stock Units vest in two substantially equal annual installments beginning on January 8, 2027.</footnote>
        <footnote id="F5">The remaining Restricted Stock Units fully vest on January 8, 2027.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Howard Diamond, as Attorney-in-fact for Alexandre Clerc</signatureName>
        <signatureDate>2026-01-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
