<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-05-29</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000006885</issuerCik>
        <issuerName>STAGE STORES INC</issuerName>
        <issuerTradingSymbol>STGS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182215</rptOwnerCik>
            <rptOwnerName>WUENSCH RONALD W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Stock Options (right to buy)</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>22.18</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-29</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>2500</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2005-05-29</value>
            <footnoteId id="F1"/>
        </exerciseDate>
        <expirationDate>
            <value>2013-05-29</value>
            <footnoteId id="F1"/>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock, $.01 par value</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>2500</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>22500</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">The term of this stock option is ten (10) years from the date of the grant of the stock option (the &quot;Option Term&quot;).  The stock option may not be exercised after the expiration of its Option Term (May 29, 2013).  The stock option shall vest and become exercisable by Director according to the following: (1) 2 years from the date of grant (May 29, 2005), 50% of option shares may be exercised and (2) 4 years from the date of grant (May 29, 2007), 100% of the option shares may be exercised.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Ronald Wuensch</signatureName>
        <signatureDate>2003-05-30</signatureDate>
    </ownerSignature>

</ownershipDocument>

