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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-04-21</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001091862</issuerCik>
        <issuerName>LANXESS Solutions US Inc.</issuerName>
        <issuerTradingSymbol>CHMT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001330575</rptOwnerCik>
            <rptOwnerName>Catalano Anna C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>199 BENSON ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIDDLEBURY</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06749</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-04-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>26794</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>33.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On September 25, 2016, Chemtura Corporation (the &quot;Company&quot;) entered into an Agreement and Plan of Merger (the &quot;Merger Agreement&quot;) with Lanxess Deutschland GmbH (&quot;Lanxess&quot;) and LANXESS Solutions US Inc. (f/k/a LANXESS Additives Inc.) (&quot;Merger Subsidiary&quot;), pursuant to which Merger Subsidiary will merge (the &quot;Merger&quot;) with and into the Company, whereupon the existence of Merger Subsidiary will cease and the Company will become the surviving corporation and a wholly-owned subsidiary of Lanxess. The Merger became effective on April 21, 2017 (the &quot;Effective Time&quot;). Pursuant to the Merger Agreement, each share of the Company's common stock, par value $0.01, outstanding immediately prior to the Effective Time was converted into the right to receive $33.50 in cash, without interest.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Alan Schutzman by Power of Attorney</signatureName>
        <signatureDate>2017-04-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
