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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-07-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001383650</issuerCik>
        <issuerName>Cheniere Energy Partners, L.P.</issuerName>
        <issuerTradingSymbol>CQP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000003570</rptOwnerCik>
            <rptOwnerName>Cheniere Energy, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 MILAM STREET, SUITE 1900</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001582966</rptOwnerCik>
            <rptOwnerName>Cheniere Energy Partners LP Holdings, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 MILAM STREET, SUITE 1900</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Subordinated Units (Limited Partner Interests)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-07-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>135383831</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Units</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>135383831</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>135383831</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On July 28, 2020, the Issuer announced that the board of directors of Cheniere Energy GP, LLC, the Issuer's general partner (the &quot;Board&quot;), approved the regular quarterly distribution to the holders of the Issuer's common units representing limited partner interests (&quot;Common Units&quot;) for the second quarter of 2020 in an amount of $0.645 per Common Unit, payable by the Issuer on August 14, 2020, to Common Unit holders of record as of August 7, 2020.  Also on July 28, 2020, the Issuer announced that the Board confirmed that, upon payment of the distribution, the Issuer will have satisfied the financial conditions for the conversion of the subordinated units representing limited partner interests of the Issuer (&quot;Subordinated Units&quot;) set forth in the Issuer's Fourth Amended and Restated Agreement of Limited Partnership (the &quot;Agreement&quot;). [continued in footnote 2]</footnote>
        <footnote id="F2">[continued from footnote 1] As a result, pursuant to the terms of the Agreement, all of the outstanding Subordinated Units will convert into Common Units on a one-for-one basis on August 17, 2020, the first business day following the distribution, for no additional consideration. Upon the conversion of all of the Subordinated Units to Common Units, the Subordination Period (as defined in the Agreement) will automatically terminate.</footnote>
        <footnote id="F3">The Subordinated Units do not have an expiration date.</footnote>
        <footnote id="F4">The Subordinated Units are directly held by Cheniere Energy Partners LP Holdings, LLC, a wholly-owned subsidiary of Cheniere Energy, Inc.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sean N. Markowitz, Executive Vice President, Chief Legal Officer and Corporate Secretary of Cheniere Energy, Inc.</signatureName>
        <signatureDate>2020-07-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Sean N. Markowitz, Corporate Secretary and Manager of Cheniere Energy Partners LP Holdings, LLC</signatureName>
        <signatureDate>2020-07-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
