<?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>0001224983</rptOwnerCik>
            <rptOwnerName>AGUIRRE FERNANDO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CHIQUITA BRANDS INTERNATIONAL</rptOwnerStreet1>
            <rptOwnerStreet2>250 EAST FIFTH STREET</rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman, President and CEO</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>81477</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>433609</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5690</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by children</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </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 Fernando Aguirre</signatureName>
        <signatureDate>2008-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2008-08-05
0
0000101063
CHIQUITA BRANDS INTERNATIONAL INC
cqb
0001224983
AGUIRRE FERNANDO
CHIQUITA BRANDS INTERNATIONAL
250 EAST FIFTH STREET
CINCINNATI
OH
45202
1
1
0
0
Chairman, President and CEO
Common Stock
2008-08-05
4
A
0
81477
0
A
433609
D
Common Stock
5690
I
by children
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 Fernando Aguirre
2008-08-06