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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2023-10-19</periodOfReport>

    <dateOfOriginalSubmission>2022-09-20</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001600847</issuerCik>
        <issuerName>Gamida Cell Ltd.</issuerName>
        <issuerTradingSymbol>GMDA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001947032</rptOwnerCik>
            <rptOwnerName>Jenkins Abigail L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GAMIDA CELL LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>116 HUNTINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2023-10-19</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>250000</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>266129</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Share Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.22</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-10-19</value>
                <footnoteId id="F3"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-10-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The restricted stock unit (&quot;RSU&quot;) award was approved by the Board of Directors of the Issuer on September 19, 2022, subject to shareholder approval. The Issuer's shareholders approved the award at the annual general meeting of the shareholders on October 19, 2023.</footnote>
        <footnote id="F2">Represents an RSU award, which vested or shall vest with respect to 33% of the RSUs, on each of September 19, 2023 and September 19, 2024, respectively, and with respect to 34% of the RSUs, on September 19, 2025. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.</footnote>
        <footnote id="F3">The option grant was approved by the Board of Directors of the Issuer on September 19, 2022, subject to shareholder approval. The Issuer's shareholders approved the grant at the annual general meeting of the shareholders on October 19, 2023.</footnote>
        <footnote id="F4">One fourth (1/4th) of the shares subject to the option award vested on September 19, 2023, and one twelfth (1/12th) of the remaining shares subject to the option award vested or shall vest in equal quarterly installments thereafter, subject to the Reporting Person's continuous service through each such vesting date.</footnote>
    </footnotes>

    <remarks>This amendment is being filed solely to correct the transaction dates to October 19, 2023 and to correct the expiration date of the option grant to October 18, 2033.</remarks>

    <ownerSignature>
        <signatureName>/s/ Joshua F. Patterson, Attorney-in-Fact</signatureName>
        <signatureDate>2023-10-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
