<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001711291</issuerCik>
        <issuerName>CURO Group Holdings Corp.</issuerName>
        <issuerTradingSymbol>CURO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001724331</rptOwnerCik>
            <rptOwnerName>Faulkner Chadwick Heath</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CURO GROUP HOLDINGS CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>3527 NORTH RIDGE ROAD</rptOwnerStreet2>
            <rptOwnerCity>WICHITA</rptOwnerCity>
            <rptOwnerState>KS</rptOwnerState>
            <rptOwnerZipCode>67205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14285</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14285</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3441780</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3441744</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.  The restricted stock units vest in two equal installments, with one half of the grant vesting at the 2018 annual meeting of the Issuer's stockholders, and the remaining one half vesting at the 2019 annual meeting of the Issuer's stockholders.</footnote>
        <footnote id="F2">The shares are held directly by the Exempt Family Trust c/u Leah M. Faulkner 2017 Dynasty Trust (the &quot;Leah Faulkner Trust&quot;).  Mr. Faulkner is the adviser of the Leah Faulkner Trust.  Mr. Faulkner disclaims beneficial ownership of the shares held by the Leah Faulkner Trust except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that Mr. Faulkner is the beneficial owner of the shares held by the Leah Faulkner Trust.</footnote>
        <footnote id="F3">The shares are held directly by the Exempt Family Trust c/u Chadwick H. Faulkner 2017 Dynasty Trust (the &quot;Chad Faulkner Trust&quot;).  Mr. Faulkner is the adviser of the Chad Faulkner Trust.  Mr. Faulkner disclaims beneficial ownership of the shares held by the Chad Faulkner Trust except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that Mr. Faulkner is the beneficial owner of the shares held by the Chad Faulkner Trust.</footnote>
    </footnotes>

    <remarks>The Power of Attorney given by Mr. Faulkner was previously filed with the U.S. Securities &amp; Exchange Commission on December 6, 2017, as an exhibit to a statement on Form 3 filed by Mr. Faulkner with respect to CURO Group Holdings Corp. and is hereby incorporated by reference.</remarks>

    <ownerSignature>
        <signatureName>/s/ Vin Thomas, attorney-in-fact</signatureName>
        <signatureDate>2017-12-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
