<?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>0001277646</rptOwnerCik>
            <rptOwnerName>ZAMAN WAHEED</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>SVP Product Supply Org.</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>18460</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>82734</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 Waheed Zaman</signatureName>
        <signatureDate>2008-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2008-08-05
0
0000101063
CHIQUITA BRANDS INTERNATIONAL INC
cqb
0001277646
ZAMAN WAHEED
250 EAST FIFTH ST.
CINCINNATI
OH
45202
0
1
0
0
SVP Product Supply Org.
Common Stock
2008-08-05
4
A
0
18460
0
A
82734
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 Waheed Zaman
2008-08-06