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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-10-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001818383</issuerCik>
        <issuerName>MediaAlpha, Inc.</issuerName>
        <issuerTradingSymbol>MAX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829474</rptOwnerCik>
            <rptOwnerName>INSIGNIA CAPITAL PARTNERS GP, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1333 NORTH CALIFORNIA BOULEVARD, STE 520</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94596</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001586847</rptOwnerCik>
            <rptOwnerName>Insignia Capital Partners, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1333 NORTH CALIFORNIA BOULEVARD, STE 520</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94596</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829472</rptOwnerCik>
            <rptOwnerName>INSIGNIA CAPITAL PARTNERS (AIV), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1333 NORTH CALIFORNIA BOULEVARD, STE 520</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94596</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001586845</rptOwnerCik>
            <rptOwnerName>Insignia Capital Partners (Parallel A), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1333 NORTH CALIFORNIA BOULEVARD, STE 520</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94596</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829475</rptOwnerCik>
            <rptOwnerName>INSIGNIA QL HOLDINGS, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1333 NORTH CALIFORNIA BOULEVARD, STE 520</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94596</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829476</rptOwnerCik>
            <rptOwnerName>INSIGNIA A QL HOLDINGS, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1333 NORTH CALIFORNIA BOULEVARD, STE 520</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94596</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-10-30</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>1869877</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10635407</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B-1 Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-10-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1869877</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F5"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.67</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1869877</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F5"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10635407</value>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On October 30, 2020, the Issuer used a portion of the net proceeds from the closing of its initial public offering (&quot;IPO&quot;) of Class A Common Stock to purchase Class B-1 Units of QL Holdings, LLC (the &quot;LLC&quot;) from certain of the Issuer's pre-IPO equityholders, including the Reporting Persons (the &quot;Synthetic Secondary&quot;), at a price of $17.67 per unit. To the extent Class B-1 Unit holders own shares of the Issuer's Class B Common Stock (the &quot;Class B Shares&quot;), one share of Class B Common Stock for every Class B-1 Unit sold in the Synthetic Secondary was forfeited and cancelled for no consideration.</footnote>
        <footnote id="F2">Includes 824,871 Class B Shares forfeited and cancelled for no consideration by Insignia A QL Holdings, LLC (&quot;Insignia A&quot;) and 1,045,006 Class B Shares forfeited and cancelled for no consideration by Insignia QL Holdings, LLC (&quot;Insignia QL&quot;) in connection with the Synthetic Secondary.</footnote>
        <footnote id="F3">Includes 4,691,665 Class B Shares held directly by Insignia A and 5,943,742 Class B Shares held directly by Insignia QL. Insignia Capital Partners (Parallel A), L.P. (&quot;Parallel A&quot;) and Insignia Capital Partners (AIV), L.P. (&quot;Insignia AIV&quot;) are members of Insignia A having the power to appoint the majority of the board of managers of Insignia A. Insignia Capital Partners, L.P. (&quot;Insignia Capital&quot; and together with Parallel A and Insignia AIV, the &quot;Insignia Fund&quot;) is the managing member of Insignia QL. Insignia Capital Partners GP, LLC (&quot;Insignia GP&quot;) is the general partner of the Insignia Fund. The three member Investment Committee of Insignia GP comprised of David Lowe, Anthony Broglio and Melvyn Deane exercises voting and investment control over the securities held directly by Insignia A and Insignia QL, which acts by a majority vote of its members.</footnote>
        <footnote id="F4">(Continued from footnote 3) Consequently, the Insignia Fund and Insignia GP may be deemed to beneficially own the securities held directly by Insignia A and Insignia QL. Messrs. Lowe, Broglio and Deane disclaim beneficial ownership of the securities held directly by Insignia A and Insignia QL.</footnote>
        <footnote id="F5">Includes 824,871 Class B-1 Units sold by Insignia A and 1,045,006 Class B-1 Units sold by Insignia QL in the Synthetic Secondary.</footnote>
        <footnote id="F6">Pursuant to the Exchange Agreeement, dated October 27, 2020, by and among the Issuer, the LLC and the members of the LLC (the &quot;Exchange Agreement&quot;), the Class B-1 Units of the LLC (together with one Class B Share of the Issuer for every Class B-1 Unit) are exchangeable at any time for one shares of the Issuer's Class A Common Stock.  Class B-1 Units of the LLC do not expire.</footnote>
        <footnote id="F7">Includes 4,691,665 Class B-1 Units of the LLC held directly by Insignia A and 5,943,742 Class B-1 Units of the LLC held directly by Insignia QL.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tony Broglio, as Managing Member of Insignia Capital Partners GP, LLC</signatureName>
        <signatureDate>2020-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Tony Broglio, as Managing Member of Insignia Capital Partners LP</signatureName>
        <signatureDate>2020-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Tony Broglio, as Managing Member of Insignia Capital Partner (AIV), LP</signatureName>
        <signatureDate>2020-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Tony Broglio, as Managing Member of Insignia Capital Partner (Parralel A), LP</signatureName>
        <signatureDate>2020-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Tony Broglio, as President and Secretary of Insignia QL Holdings, LLC</signatureName>
        <signatureDate>2020-11-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Tony Broglio, as President and Secretary of Insignia A QL Holdings, LLC</signatureName>
        <signatureDate>2020-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
