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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-12-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001679273</issuerCik>
        <issuerName>Lamb Weston Holdings, Inc.</issuerName>
        <issuerTradingSymbol>LW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001642306</rptOwnerCik>
            <rptOwnerName>Werner Thomas P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LAMB WESTON HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>599 S. RIVERSHORE LANE</rptOwnerStreet2>
            <rptOwnerCity>EAGLE</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>83616</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>2016-12-14</value>
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                <value></value>
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            <underlyingSecurity>
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            <underlyingSecurity>
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                <underlyingSecurityShares>
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            <underlyingSecurity>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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                </underlyingSecurityShares>
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                <directOrIndirectOwnership>
                    <value>D</value>
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            <securityTitle>
                <value>Performance Units</value>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F16"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>21640</value>
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        <derivativeHolding>
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                <value>Performance Units</value>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F17"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>19873</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>19873</value>
                    <footnoteId id="F14"/>
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        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of Lamb Weston Holdings, Inc. (&quot;Lamb Weston&quot;) common stock received in connection with the pro-rata distribution of Lamb Weston common stock by Conagra Brands, Inc. (&quot;Conagra&quot;) (the &quot;Spinoff&quot;) and converted from Conagra common stock held by the Reporting Person as of the Spinoff. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row are estimated as of November 9, 2016 based on preliminary information regarding the Spinoff. Final amounts, if different, will be reported in a subsequent filing.</footnote>
        <footnote id="F2">These stock options will become exercisable as to 33.33% on December 14, 2017, 33.33% on December 14, 2018 and 33.34% on December 14, 2019.</footnote>
        <footnote id="F3">Each restricted stock unit represents a contingent right to receive one share of Lamb Weston common stock upon settlement.</footnote>
        <footnote id="F4">Restricted stock units vest on December 14, 2019, or earlier upon certain events.</footnote>
        <footnote id="F5">Grant of option to purchase 54,756 shares of Lamb Weston common stock, which is fully vested, was received in the Spinoff in exchange for an option held by the Reporting Person to purchase 34,908 shares of Conagra common stock for $36.89 per share, subject to the same terms and conditions as the original Conagra stock option. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row.</footnote>
        <footnote id="F6">Grant of option to purchase 90,165 shares of Lamb Weston common stock, which will vest as follows: 33.33% on July 14, 2015, 33.33% on July 14, 2016 and 33.34% on July 14, 2017, was received in the Spinoff in exchange for an option held by the Reporting Person to purchase 57,482 shares of Conagra common stock for $30.89 per share, subject to the same terms and conditions as the original Conagra stock option. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row.</footnote>
        <footnote id="F7">Grant of option to purchase 63,461 shares of Lamb Weston common stock, which will vest as follows: 33.33% on August 28, 2016, 33.33% on August 28, 2017 and 33.34% on August 28, 2017, was received in the Spinoff in exchange for an option held by the Reporting Person to purchase 40,458 shares of Conagra common stock for $41.73 per share, subject to the same terms and conditions as the original Conagra stock option. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row.</footnote>
        <footnote id="F8">Grant of option to purchase 61,259 shares of Lamb Weston common stock, which will vest as follows: 33.33% on July 11, 2017, 33.33% on July 11, 2018 and 33.34% on July 11, 2019, was received in the Spinoff in exchange for an option held by the Reporting Person to purchase 39,054 shares of Conagra common stock for $48.11 per share, subject to the same terms and conditions as the original Conagra stock option. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row.</footnote>
        <footnote id="F9">Grant of restricted stock units received in connection with the Spinoff and converted from Conagra restricted stock units held by the Reporting Person as of the Spinoff. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row.</footnote>
        <footnote id="F10">Restricted stock units vest on July 17, 2018, or earlier upon certain events.</footnote>
        <footnote id="F11">Restricted stock units vest on August 28, 2018, or earlier upon certain events.</footnote>
        <footnote id="F12">Restricted stock units vest on July 1, 2017, or earlier upon certain events.</footnote>
        <footnote id="F13">Restricted stock units vest on July 11, 2019, or earlier upon certain events.</footnote>
        <footnote id="F14">Grant of performance units received in connection with the Spinoff and converted from Conagra performance units held by the Reporting Person as of the Spinoff. Exempt acquisitions under Rule 16a-9 are being shown on a voluntary basis in this row.</footnote>
        <footnote id="F15">Performance units vest at the fiscal year end of 2017, plus accrued dividends.</footnote>
        <footnote id="F16">Performance units vest at the fiscal year end of 2018, plus accrued dividends.</footnote>
        <footnote id="F17">Performance units vest at the fiscal year end of 2019, plus accrued dividends.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Eryk J. Spytek, as Attorney-in-Fact</signatureName>
        <signatureDate>2016-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
