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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-03-28</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001669812</issuerCik>
        <issuerName>LSC Communications, Inc.</issuerName>
        <issuerTradingSymbol>LKSD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000029669</rptOwnerCik>
            <rptOwnerName>RR Donnelley &amp; Sons Co</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>35 WEST WACKER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2017-03-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6242802</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.44</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On February 22, 2016, LSC Communications, Inc., a Delaware corporation (&quot;LSC&quot;), issued all 100 outstanding shares of LSC common stock to R. R. Donnelley &amp; Sons Company, a Delaware corporation (&quot;RRD&quot;). On September 30, 2016 and simultaneously with the effectiveness of the amended and restated certificate of incorporation of LSC (the &quot;Amended and Restated Certificate of Incorporation&quot;) that increased the number of authorized shares of common stock from 100 to 65,000,000, LSC effected a recapitalization (the &quot;Recapitalization&quot;) of the 100 shares of common stock issued and outstanding, which Recapitalization converted such 100 shares into 32,430,139 shares of common stock, par value $0.01, of LSC (the &quot;Common Stock&quot;).</footnote>
        <footnote id="F2">On October 1, 2016 at 12:01 a.m., 26,187,337 shares of Common Stock, which was 80.75% of the Common Stock then outstanding, were distributed by RRD to its stockholders (the &quot;Distribution&quot;). Following the Distribution, RRD beneficially owned 6,242,802 shares of Common Stock, which was 19.25% of the then outstanding Common Stock.</footnote>
        <footnote id="F3">On March 28, 2017, RRD completed the sale (the &quot;Sale&quot;) of 6,242,802 shares of Common Stock at a price of $19.44 per share (the public offering price, net of underwriting discounts and commissions of $0.81 per share) in an underwritten, public secondary offering. Immediately following the Sale, RRD owned no shares of Common Stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Terry D. Peterson, Executive Vice President and Chief Financial Officer of R.R. Donnelley &amp; Sons Company</signatureName>
        <signatureDate>2017-03-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
