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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-08-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001636222</issuerCik>
        <issuerName>Wingstop Inc.</issuerName>
        <issuerTradingSymbol>WING</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001040618</rptOwnerCik>
            <rptOwnerName>ARONSON NEAL K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ROARK CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>1180 PEACHTREE STREET NE, SUITE 2500</rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30309</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, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2016-08-12</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2016-08-12</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6765858</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Consists of the shares held by RC II WS LLC. RC II WS LLC, a Georgia limited liability company, is controlled by Roark Capital Partners II, LP, a Delaware limited partnership. Roark Capital Partners II, LP is controlled by its general partner, Roark Capital GenPar II, LLC, a Delaware limited liability company, which is in turn controlled by its managing member, Neal K. Aronson, who has served as chairman of Wingstop's board of directors since February 2015 and served as a member of Wingstop's compensation committee through May 18, 2016. Each of Roark Capital Partners II, LP, Roark Capital GenPar II, LLC and Mr. Aronson may be deemed to have voting and dispositive power with respect to the common stock directly owned by RC II WS LLC and therefore be deemed to be the beneficial owner of the common stock held by RC II WS LLC, but each disclaim beneficial ownership of such common stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Neal K. Aronson</signatureName>
        <signatureDate>2016-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
