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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

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

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202015</rptOwnerCik>
            <rptOwnerName>ZALLA JEFFREY M</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>Senior Vice President and CFO</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>1621</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.13</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>87640</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>70</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by 401(k)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </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 4,689 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>
        <footnote id="F2">Table 1, Item 5: Represents the number of whole units held in the Chiquita Stock Fund of the Company's Savings and Investment Plan, a 401(k) Plan, based on a plan statement dated as of June 30, 2008.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James E. Thompson as Attorney-in-Fact for Jeffrey M. Zalla</signatureName>
        <signatureDate>2008-08-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2008-08-08
0
0000101063
CHIQUITA BRANDS INTERNATIONAL INC
cqb
0001202015
ZALLA JEFFREY M
250 EAST FIFTH ST
CINCINNATI
OH
45202
0
1
0
0
Senior Vice President and CFO
Common Stock
2008-08-07
4
F
0
1621
16.13
D
87640
D
Common Stock
70
I
by 401(k)
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 4,689 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.
Table 1, Item 5: Represents the number of whole units held in the Chiquita Stock Fund of the Company's Savings and Investment Plan, a 401(k) Plan, based on a plan statement dated as of June 30, 2008.
James E. Thompson as Attorney-in-Fact for Jeffrey M. Zalla
2008-08-08