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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2015-02-10</periodOfReport>

    <dateOfOriginalSubmission>2015-02-11</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001597033</issuerCik>
        <issuerName>Sabre Corp</issuerName>
        <issuerTradingSymbol>SABR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001495741</rptOwnerCik>
            <rptOwnerName>TPG Group Holdings (SBS) Advisors, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TPG GLOBAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>301 COMMERCE STREET, SUITE 3300</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000860866</rptOwnerCik>
            <rptOwnerName>BONDERMAN DAVID</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TPG GLOBAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>301 COMMERCE STREET, SUITE 3300</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH,</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001099776</rptOwnerCik>
            <rptOwnerName>COULTER JAMES G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TPG GLOBAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>301 COMMERCE STREET, SUITE 3300</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH,</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>19391108</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.0237</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>131817900</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price represents the public offering price of $20.75 per share of common stock (&quot;Common Stock&quot;) of Sabre Corporation (&quot;the Issuer&quot;) less the underwriters' discount of $0.72625 per share of Common Stock.</footnote>
        <footnote id="F2">David Bonderman and James G. Coulter are officers and sole shareholders of TPG Group Holdings (SBS) Advisors, Inc. (&quot;Group Advisors&quot; and, together with Messrs. Bonderman and Coulter, the &quot;Reporting Persons&quot;). Group Advisors is the general partner of TPG Group Holdings (SBS), L.P., which is the sole member of TPG Holdings I-A, LLC, which is the general partner of TPG Holdings I, L.P., which is the sole member of each of TPG GenPar V Advisors, LLC and TPG GenPar IV Advisors, LLC.</footnote>
        <footnote id="F3">TPG GenPar V Advisors, LLC is the general partner of TPG GenPar V, L.P., which is the general partner of each of (i) TPG Partners V, L.P., which directly holds 79,864,004 shares of Common Stock, (ii) TPG FOF V-A, L.P., which directly holds 208,884 shares of Common Stock, and (iii) TPG FOF V-B, L.P., which directly holds 168,463 shares of Common Stock.</footnote>
        <footnote id="F4">TPG GenPar IV Advisors, LLC is the general partner of TPG GenPar IV, L.P., which is the general partner of TPG Partners IV, L.P. (together with TPG Partners V, L.P., TPG FOF V-A, L.P. and TPG FOF V-B, L.P., the &quot;TPG Funds&quot;), which directly holds 6,686,617shares of Common Stock.</footnote>
        <footnote id="F5">TPG GenPar V, L.P. is a member of Sovereign Manager Co-Invest, LLC, which is the managing member of Sovereign Co-Invest, LLC (&quot;Co-Invest&quot;), which directly holds 44,889,932 shares of Common Stock. Co-Invest is managed by a management committee consisting of two managers, one of which is designated by TPG GenPar V, L.P.</footnote>
        <footnote id="F6">Because of the relationship between the Reporting Persons and the TPG Funds and Co-Invest, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of the greater of their respective direct or indirect pecuniary interests in the profits or capital accounts of the TPG Funds and Co-Invest. Each Reporting Person and each of the TPG Funds disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's or such TPG Fund's pecuniary interest therein, if any.</footnote>
        <footnote id="F7">Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.</footnote>
    </footnotes>

    <remarks>(8) The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act. (9) Ronald Cami is signing on behalf of both Messrs. Bonderman and Coulter pursuant to authorization and designation letters dated July 1, 2013, which were previously filed with the Securities and Exchange Commission. (10) This amendment is filed to correct that James G. Coulter is not a director of the Issuer, which he was inadvertently identified as in the original Form 4.</remarks>

    <ownerSignature>
        <signatureName>/s/ Ronald Cami, Vice President, TPG Group Holdings (SBS) Advisors, Inc. (8)</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Ronald Cami, on behalf of David Bonderman (8) (9)</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Ronald Cami, on behalf of James G. Coulter (8) (9) (10)</signatureName>
        <signatureDate>2015-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
