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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2016-10-01</periodOfReport>

    <dateOfOriginalSubmission>2016-10-04</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001669811</issuerCik>
        <issuerName>Donnelley Financial Solutions, Inc.</issuerName>
        <issuerTradingSymbol>DFIN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001685401</rptOwnerCik>
            <rptOwnerName>Turner Kami</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DONNELLEY FINANCIAL SOLUTIONS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>35 WEST WACKER DRIVE</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-10-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5523</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5523</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reporting Person is filing an amendment to her Form 4, which was filed on October 4, 2016, in order to update the number of securities acquired and the amount of securities beneficially owned following the Reported Transaction.  On October 1, 2016, Kami S. Turner was awarded restricted stock with a value of $125,000 by Donnelley Financial Solutions, Inc. (&quot;DFS&quot;).  Such grant represents 5,523 shares of restricted stock calculated based on the ten trading day volume weighted average price of DFS common stock following the date of grant.</footnote>
    </footnotes>

    <remarks>Controller and Chief Accounting Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ Jennifer B. Reiners, Jennifer B. Reiners, Attorney-in-Fact for Kami S. Turner</signatureName>
        <signatureDate>2016-10-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
