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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-06-07</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001822250</issuerCik>
        <issuerName>ContextLogic Inc.</issuerName>
        <issuerTradingSymbol>WISH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611569</rptOwnerCik>
            <rptOwnerName>DST GLOBAL IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001833046</rptOwnerCik>
            <rptOwnerName>DST Global IV Co-Invest, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001649364</rptOwnerCik>
            <rptOwnerName>DST Global V, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001631057</rptOwnerCik>
            <rptOwnerName>DST INVESTMENTS XI, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001689496</rptOwnerCik>
            <rptOwnerName>DST Investments XV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001718306</rptOwnerCik>
            <rptOwnerName>DST Investments XVI, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001550224</rptOwnerCik>
            <rptOwnerName>DST Managers Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001833047</rptOwnerCik>
            <rptOwnerName>DST Managers V Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TRIDENT TRUST COMPANY (CAYMAN) LIMITED,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CAPITAL PLACE, P.O. BOX 847</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1103</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18796769</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15606631</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8864399</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7331241</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By DST Global V, L.P.</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F5"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>27630195</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>955135</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By DST INVESTMENTS XI, L.P.</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F7"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7660208</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5864012</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By DST Investments XV, L.P.</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F9"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2542417</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2066123</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By DST Investments XVI, L.P.</value>
                    <footnoteId id="F10"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6478250</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By DST Global IV Co-Invest, L.P.</value>
                    <footnoteId id="F11"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On June 7, 2021, DST GLOBAL IV, L.P. (&quot;DST IV&quot;) distributed in-kind, without consideration, 18,796,769 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;).</footnote>
        <footnote id="F2">The shares are owned directly by DST IV, whose general partner is DST Managers Ltd. DST Managers Ltd holds ultimate voting and investment power over the shares held by DST IV. Each of the reporting persons other than DST IV may be deemed to have an indirect pecuniary interest in the shares but disclaims beneficial ownership.</footnote>
        <footnote id="F3">On June 7, 2021, DST Global V, L.P. (&quot;DST V&quot;) distributed in-kind, without consideration, 8,864,399 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.</footnote>
        <footnote id="F4">The shares are owned directly by DST V, whose general partner is DST Managers V Ltd. DST Managers V Ltd holds ultimate voting and investment power over the shares held by DST V. Each of the reporting persons other than DST V may be deemed to have an indirect pecuniary interest in the shares but disclaims beneficial ownership.</footnote>
        <footnote id="F5">On June 7, 2021, DST INVESTMENTS XI, L.P. (&quot;DST INVESTMENTS XI&quot;) distributed in-kind, without consideration, 27,630,195 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.</footnote>
        <footnote id="F6">The shares are owned directly by DST INVESTMENTS XI, whose general partner is DST Managers Ltd. DST Managers Ltd holds ultimate voting and investment power over the shares held by each of the reporting persons. Each of the reporting persons other than DST INVESTMENTS XI may be deemed to have an indirect pecuniary interest in the shares but disclaims beneficial ownership.</footnote>
        <footnote id="F7">On June 7, 2021, DST Investments XV, L.P. (&quot;DST Investments XV&quot;) distributed in-kind, without consideration, 7,660,208 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.</footnote>
        <footnote id="F8">The shares are owned directly by DST Investments XV, whose general partner is DST Managers V Ltd. DST Managers V Ltd holds ultimate voting and investment power over the shares held by DST Investments XV. Each of the reporting persons other than DST Investments XV may be deemed to have an indirect pecuniary interest in the shares but disclaims beneficial ownership.</footnote>
        <footnote id="F9">On June 7, 2021, DST Investments XVI, L.P. (&quot;DST Investments XVI&quot;) distributed in-kind, without consideration, 2,542,417 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.</footnote>
        <footnote id="F10">The shares are owned directly by DST Investments XVI, whose general partner is DST Managers V Ltd. DST Managers V Ltd holds ultimate voting and investment power over the shares held by DST Investments XVI. Each of the reporting persons other than DST Investments XVI may be deemed to have an indirect pecuniary interest in the shares but disclaims beneficial ownership.</footnote>
        <footnote id="F11">The shares are owned directly by DST Global IV Co-Invest, L.P., whose general partner is DST Managers Ltd. DST Managers Ltd holds ultimate voting and investment power over the shares held by DST Global IV Co-Invest, L.P. Each of the reporting persons other than DST Global IV Co-Invest, L.P. may be deemed to have an indirect pecuniary interest in the shares but disclaims beneficial ownership.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>DST GLOBAL IV, L.P., By:  DST Managers Ltd, By: Despoina Zinonos, Its:  President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST Global IV Co-Invest, L.P., By:  DST Managers Ltd, By: Despoina Zinonos, Its: President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST Global V, L.P., By:  DST Managers V Ltd, By: Despoina Zinonos, Its: President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST INVESTMENTS XI, L.P.By:  DST Managers Ltd, By: Despoina Zinonos, Its: President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST DST Investments XV, L.P., By: DST Managers V Ltd, By: Despoina Zinonos, Its:  President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST Investments XVI, L.P., By: DST Managers V Ltd, By: Despoina Zinonos, Its: President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST Managers LTD, By: Despoina Zinonos, Its: President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>DST Managers V LTD, By: Despoina Zinonos, Its: President, /s/ Despoina Zinonos</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
