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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-08-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001321946</rptOwnerCik>
            <rptOwnerName>Kocher Brian W</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, North America</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2008-08-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>590</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.13</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35429</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Table I, Item l.  Shares withheld, based on the fair market value of the Common Stock on August 7, 2008, to pay required withholding taxes upon the vesting of 1,705 shares covered by a Restricted Stock Award granted August 7, 2007 under the Company's Stock and Incentive Plan. The full award was previously reported.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James E. Thompson as Attorney-in-Fact for Brian W. Kocher</signatureName>
        <signatureDate>2008-08-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2008-08-07
0
0000101063
CHIQUITA BRANDS INTERNATIONAL INC
cqb
0001321946
Kocher Brian W
250 EAST FIFTH STREET
CINCINNATI
OH
45202
0
1
0
0
President, North America
Common Stock
2008-08-07
4
F
0
590
16.13
D
35429
D
Table I, Item l.  Shares withheld, based on the fair market value of the Common Stock on August 7, 2008, to pay required withholding taxes upon the vesting of 1,705 shares covered by a Restricted Stock Award granted August 7, 2007 under the Company's Stock and Incentive Plan. The full award was previously reported.
James E. Thompson as Attorney-in-Fact for Brian W. Kocher
2008-08-08