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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-12-22</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001468174</issuerCik>
        <issuerName>Hyatt Hotels Corp</issuerName>
        <issuerTradingSymbol>H</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001498763</rptOwnerCik>
            <rptOwnerName>Settlement T-2390-C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CIBC TRUST COMPANY (BAHAMAS) LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>WEST BAY ST, GROUND FL, PO BOX N-3933</rptOwnerStreet2>
            <rptOwnerCity>NASSAU</rptOwnerCity>
            <rptOwnerState>C5</rptOwnerState>
            <rptOwnerZipCode>00000</rptOwnerZipCode>
            <rptOwnerStateDescription>BAHAMAS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-12-22</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>87694</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>87694</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As provided in the Issuer's Amended and Restated Certificate of Incorporation, each share of Class B Common Stock is convertible at any time, at the option of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in the Issuer's Amended and Restated Certificate of Incorporation.</footnote>
        <footnote id="F2">On December 21, 2016, the trustee of Settlement T-2390-C transferred to another trust for certain lineal descendants of Nicholas J. Pritzker, deceased, 87,694 shares of Class B Common Stock in the aggregate beneficially owned by Settlement T-2390-C. No consideration was paid in connection with the transfer from Settlement T-2390-C. The transfer of shares of Class B Common Stock constitutes a &quot;permitted transfer&quot; as defined under the Issuer's Amended and Restated Certificate of Incorporation.</footnote>
    </footnotes>

    <remarks>Member of 10% owner group. CIBC Trust Company (Bahamas) Limited serves as trustee of the Reporting Person and has investment power over the shares beneficially owned by the Reporting Person. The beneficiary of the Reporting Person does not have investment power over the shares of Class B Common Stock held by the Reporting Person. In addition, the Reporting Person may be deemed to be a member of a group because the Reporting Person has agreed to certain voting agreements and limitations on transfers of shares of Class A Common Stock and Class B Common Stock. The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein.</remarks>

    <ownerSignature>
        <signatureName>/s/ Schevon Miller, Authorized Signatory</signatureName>
        <signatureDate>2016-12-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
