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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-06-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001418226</rptOwnerCik>
            <rptOwnerName>Silver Lake Group, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</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>0001351522</rptOwnerCik>
            <rptOwnerName>Silver Lake Technology Associates II, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</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>0001277090</rptOwnerCik>
            <rptOwnerName>SILVER LAKE PARTNERS II L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</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>0001325822</rptOwnerCik>
            <rptOwnerName>Silver Lake Technology Investors II, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</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>2018-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6586643</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.45</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15884350</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-06-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>84475</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15799875</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Silver Lake Group, L.L.C. (&quot;SLG&quot;) is the managing member of Silver Lake Technology Associates II, L.L.C. (&quot;Associates II&quot;), which is the general partner of (a) Silver Lake Partners II, L.P. (&quot;Partners II&quot;), which directly holds 12,305,381 shares of common stock (&quot;Common Stock&quot;) of Sabre Corporation (the &quot;Issuer&quot;), and (b) Silver Lake Technology Investors II, L.P. (&quot;Investors II&quot;), which directly holds 50,283 shares of Common Stock.</footnote>
        <footnote id="F2">As the sole general partner of Partners II and Investors II, Associates II may be deemed to share voting and dispositive power with respect to the shares of Common Stock directly held by Partners II and Investors II.  As the sole managing member of Associates II, SLG may be deemed to share voting and dispositive power with respect to the shares of Common Stock directly held by Partners II and Investors II.</footnote>
        <footnote id="F3">Associates II is a member of Sovereign Manager Co-Invest, LLC (&quot;Sovereign Manager&quot;), which is the managing member of Sovereign Co-Invest II, LLC (&quot;Sovereign Co-Invest II&quot;), which directly holds 3,444,211 shares of Common Stock.  Sovereign Manager is managed by a management committee consisting of two managers, one of which is designated by Associates II.  Because of the relationship among Sovereign Manager, Associates II and SLG, each of Associates II and SLG may be deemed to share voting and dispositive power with respect to the shares of Common Stock directly held by Sovereign Co-Invest II.</footnote>
        <footnote id="F4">Each of SLG, Associates II, Partners II and Investors II (collectively, the &quot;Reporting Persons&quot;) disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein.</footnote>
        <footnote id="F5">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>
        <footnote id="F6">Distribution of 84,475 shares of Common Stock by Partners II through Associates II to certain direct and indirect members of Associates II for the sole purpose of charitable giving.</footnote>
    </footnotes>

    <remarks>(7) The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act.</remarks>

    <ownerSignature>
        <signatureName>/s/ Karen M. King, Managing Director and Chief Legal Officer of Silver Lake Group, L.L.C. (7)</signatureName>
        <signatureDate>2018-06-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Karen M. King, Managing Director and Chief Legal Officer of Silver Lake Group, L.L.C., the managing member of Silver Lake Technology Associates II, L.L.C. (7)</signatureName>
        <signatureDate>2018-06-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Karen M. King, Managing Director and Chief Legal Officer of Silver Lake Group, L.L.C., the managing member of Silver Lake Technology Associates II, L.L.C., the general partner of Silver Lake Partners II, L.P. (7)</signatureName>
        <signatureDate>2018-06-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Karen M. King, Managing Director and Chief Legal Officer of Silver Lake Group, L.L.C., the managing member of Silver Lake Technology Associates II, L.L.C., the general partner of Silver Lake Technology Investors II, L.P. (7)</signatureName>
        <signatureDate>2018-06-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
