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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-08</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001518222</issuerCik>
        <issuerName>Bankrate, Inc.</issuerName>
        <issuerTradingSymbol>RATE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470409</rptOwnerCik>
            <rptOwnerName>Ben Holding S.a.r.l.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1-3 BOULEVARD DE LA FOIRE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>L-1528</rptOwnerCity>
            <rptOwnerState>N4</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>LUXEMBOURG</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001401972</rptOwnerCik>
            <rptOwnerName>Apax Europe VII-1, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THIRD FLOOR ROYAL BANK PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1 GLATEGNY ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY1 2HJ</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470423</rptOwnerCik>
            <rptOwnerName>Apax Europe VII-A, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THIRD FLOOR ROYAL BANK PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1 GLATEGNY ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY1 2HJ</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470412</rptOwnerCik>
            <rptOwnerName>Apax Europe VII-B, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THIRD FLOOR ROYAL BANK PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1 GLATEGNY ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY1 2HJ</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470415</rptOwnerCik>
            <rptOwnerName>Apax Europe VII GP Co. Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THIRD FLOOR ROYAL BANK PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1 GLATEGNY ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY1 2HJ</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470417</rptOwnerCik>
            <rptOwnerName>Apax Europe VII GP L.P. Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THIRD FLOOR ROYAL BANK PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1 GLATEGNY ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY1 2HJ</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001469807</rptOwnerCik>
            <rptOwnerName>Apax Guernsey (Holdco) PCC Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THIRD FLOOR ROYAL BANK PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>1 GLATEGNY ESPLANADE</rptOwnerStreet2>
            <rptOwnerCity>ST. PETER PORT</rptOwnerCity>
            <rptOwnerState>Y7</rptOwnerState>
            <rptOwnerZipCode>GY1 2HJ</rptOwnerZipCode>
            <rptOwnerStateDescription>GUERNSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001364985</rptOwnerCik>
            <rptOwnerName>Apax US VII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 908GT</rptOwnerStreet1>
            <rptOwnerStreet2>GEORGETOWN</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-9002</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470577</rptOwnerCik>
            <rptOwnerName>Apax US VII GP, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 908GT</rptOwnerStreet1>
            <rptOwnerStreet2>GEORGETOWN</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-9002</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001469893</rptOwnerCik>
            <rptOwnerName>Apax US VII GP, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 908GT</rptOwnerStreet1>
            <rptOwnerStreet2>GEORGETOWN</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode></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>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>37703694</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents all of the shares of the common stock, par value $0.01 per share, of Bankrate, Inc. (the &quot;Company&quot;) beneficially owned by Ben Holding S.a.r.l. immediately prior to the effective time of the merger (the &quot;Merger&quot;) contemplated by the Agreement and Plan of Merger dated as of July 2, 2017, among the Company, Red Ventures Holdco, LP, and Baton Merger Corp. Upon completion of the Merger on November 8, 2017, each such share of common stock was automatically cancelled and converted into the right to receive $14.00 in cash, without interest.</footnote>
        <footnote id="F2">Ben Holding S.a r.l. is owned by Apax US VII, L.P. (holding 7%) and Apax WW Nominees Ltd. (holding 93% as a nominee for Apax Europe VII-A, L.P., Apax Europe VII-B, L.P. and Apax Europe VII-1, L.P.). Apax Europe VII GP L.P. Inc. is the general partner of each of Apax Europe VII-A, L.P., Apax Europe VII-B, L.P. and Apax Europe VII-1, L.P. Apax Europe VII GP Co. Ltd. is the general partner of Apax Europe VII GP L.P. Inc. Apax Europe VII GP Co. Ltd. is a wholly owned subsidiary of Apax Guernsey (Holdco) PCC Limited. (Continued in footnote 3)</footnote>
        <footnote id="F3">Apax US VII GP, L.P. is the general partner of Apax US VII GP, L.P. Apax US VII GP, Ltd. is the general partner of Apax US VII GP, L.P. John F. Megrue owns 100% of the equity interests of Apax US VII GP, Ltd. The Reporting Persons disclaim beneficial ownership of the securities reported on this statement except to the extent of their respective pecuniary interests therein. The filing of this statement shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, any of the Reporting Persons is the beneficial owner of all such shares of common stock covered by this statement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Geoffrey Limpach and Gerard Maitrejean for Ben Holding S.a.r.l.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ John Megrue for Apax U.S. VII GP, Ltd. general partner of Apax US VII GP, L.P., general partner of Apax US VII, L.P.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Andrew Guille for Apax Europe VII GP Co. Ltd, general partner of Apax Europe VII GP L.P. Inc., general partner of Apax Europe VII-1, L.P.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Andrew Guille for Apax Europe VII GP Co. Ltd, general partner of Apax Europe VII GP L.P. Inc., general partner of Apax Europe VII-A, L.P.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Andrew Guille Apax Europe VII GP Co. Ltd, general partner of Apax Europe VII GP L.P. Inc., general partner of Apax Europe VII-B, L.P.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Andrew Guille for Apax Europe VII GP Co. Ltd.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Andrew Guille for Apax Europe VII GP L.P., Inc.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Andrew Guille for Apax Guernsey (Holdco) PCC Limited</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ John Megrue for Apax US VII GP, Ltd., general partner of Apax US VII GP, L.P., general partner of Apax US VII, L.P.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>s/ John Megrue for Apax US VII GP, Ltd.</signatureName>
        <signatureDate>2017-11-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
