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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-08-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001425191</rptOwnerCik>
            <rptOwnerName>Donnan Brian</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>250 EAST FIFTH ST</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>VP Controller and CAO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2008-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4775</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16398</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Table 1, Item.1: Restricted Stock Award granted effective August 5, 2008 pursuant to the Chiquita Stock and Incentive Plan and the Company's Equity-Based Compensation Guidelines.  The shares granted under this Award will vest over a four year period with 25% becoming exercisable on August 5 in each of 2009, 2010, 2011 and 2012 provided that the Reporting Person is employed by the Company or any of the Company's subsidiaries on the applicable vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James E. Thompson as Attorney-in-Fact for Brian D.Donnan</signatureName>
        <signatureDate>2008-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2008-08-05
0
0000101063
CHIQUITA BRANDS INTERNATIONAL INC
cqb
0001425191
Donnan Brian
250 EAST FIFTH ST
CINCINNATI
OH
45202
0
1
0
0
VP Controller and CAO
Common Stock
2008-08-05
4
A
0
4775
0
A
16398
D
Table 1, Item.1: Restricted Stock Award granted effective August 5, 2008 pursuant to the Chiquita Stock and Incentive Plan and the Company's Equity-Based Compensation Guidelines.  The shares granted under this Award will vest over a four year period with 25% becoming exercisable on August 5 in each of 2009, 2010, 2011 and 2012 provided that the Reporting Person is employed by the Company or any of the Company's subsidiaries on the applicable vesting date.
James E. Thompson as Attorney-in-Fact for Brian D.Donnan
2008-08-06