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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-10-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000101063</issuerCik>
        <issuerName>CHIQUITA BRANDS INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>cqb</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001303885</rptOwnerCik>
            <rptOwnerName>Viviani Tanios</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>250 EAST FIFTH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, Fresh Express Group</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2005-10-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1124</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.61</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13953</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Note 1: Table I, Item l.  Shares withheld, based on the fair market value of the Common Stock on September 30, 2005, to pay required withholding taxes upon the vesting of 3,506 shares covered by a Restricted Stock Award granted October 1, 2004 under the Company's 2002 Stock Option and Incentive Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Robert W. Olson as Attorney-in-Fact for Tanios Viviani</signatureName>
        <signatureDate>2005-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2005-10-01
0
0000101063
CHIQUITA BRANDS INTERNATIONAL INC
cqb
0001303885
Viviani Tanios
250 EAST FIFTH STREET
CINCINNATI
OH
45202
0
1
0
0
President, Fresh Express Group
Common Stock
2005-10-01
4
F
0
1124
27.61
D
13953
D
Note 1: Table I, Item l.  Shares withheld, based on the fair market value of the Common Stock on September 30, 2005, to pay required withholding taxes upon the vesting of 3,506 shares covered by a Restricted Stock Award granted October 1, 2004 under the Company's 2002 Stock Option and Incentive Plan.
Robert W. Olson as Attorney-in-Fact for Tanios Viviani
2005-10-04