<SUBMISSION>
<ACCESSION-NUMBER>0001140361-13-023217
<TYPE>4/A
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20130523
<FILING-DATE>20130529
<DATE-OF-FILING-DATE-CHANGE>20130529
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>WASSONG DAVID
<CIK>0001233188
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4/A
<ACT>34
<FILE-NUMBER>001-14498
<FILM-NUMBER>13879362
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O SOROS FUND MANAGEMENT LLC
<STREET2>888 SEVENTH AVE 31ST FL.
<CITY>NEW YORK
<STATE>NY
<ZIP>10106
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>BLUEFLY INC
<CIK>0001030896
<ASSIGNED-SIC>5961
<IRS-NUMBER>133612110
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0403
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>42 WEST 39TH ST
<CITY>NEW YORK
<STATE>NY
<ZIP>10018
<PHONE>2129448000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>42 WEST 39TH ST
<CITY>NEW YORK
<STATE>NY
<ZIP>10018
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>PIVOT RULES INC
<DATE-CHANGED>19970305
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2013-05-23</periodOfReport>

    <dateOfOriginalSubmission>2013-05-28</dateOfOriginalSubmission>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001030896</issuerCik>
        <issuerName>BLUEFLY INC</issuerName>
        <issuerTradingSymbol>BFLY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001233188</rptOwnerCik>
            <rptOwnerName>WASSONG DAVID</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>888 SEVENTH AVENUE,</rptOwnerStreet1>
            <rptOwnerStreet2>33RD FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10106</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-05-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10072</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Automatically converted pursuant to the &quot;short form merger&quot; of the Issuer and Runway Acquisition Sub, Inc. into the right to receive consideration in an amount equal to $0.10 per share in cash, without interest.</footnote>
    </footnotes>

    <remarks>As of May 23, 2013, David Wassong ceased to be a director of the Issuer.</remarks>

    <ownerSignature>
        <signatureName>/s/ David Wassong</signatureName>
        <signatureDate>2013-05-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
