-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 a5hg2kf/nELDX5xLvJIMwg==

<SEC-DOCUMENT>0001179110-10-014598.txt : 20101004
<SEC-HEADER>0001179110-10-014598.hdr.sgml : 20101004
<ACCEPTANCE-DATETIME>20101004170958
ACCESSION NUMBER:		0001179110-10-014598
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100930
FILED AS OF DATE:		20101004
DATE AS OF CHANGE:		20101004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CLARKE JEFF
		CENTRAL INDEX KEY:			0001285969

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33599
		FILM NUMBER:		101106538

	MAIL ADDRESS:	
		STREET 1:		COMPUTER ASSOCIATES INTERNATIONAL INC
		STREET 2:		ONE COMPUTER ASSOCIATES PLAZA
		CITY:			ISLANDA
		STATE:			NY
		ZIP:			11746

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Orbitz Worldwide, Inc.
		CENTRAL INDEX KEY:			0001394159
		STANDARD INDUSTRIAL CLASSIFICATION:	TRANSPORTATION SERVICES [4700]
		IRS NUMBER:				205337455
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 W. MADISON STREET
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661
		BUSINESS PHONE:		312-894-5000

	MAIL ADDRESS:	
		STREET 1:		500 W. MADISON STREET
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-09-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001394159</issuerCik>
        <issuerName>Orbitz Worldwide, Inc.</issuerName>
        <issuerTradingSymbol>OWW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001285969</rptOwnerCik>
            <rptOwnerName>CLARKE JEFF</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TRAVELPORT LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>405 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10174</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2962.0853</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>410360.4143</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units granted under the Orbitz Worldwide, Inc. Non-Employee Directors Deferred Compensation Plan (the &quot;Plan&quot;).  Each restricted stock unit represents a right to receive one share of Orbitz Worldwide, Inc. (the &quot;Company&quot;) common stock, par value $0.01 per share, on the date which is 200 days immediately following the date upon which the holder's service as a member of the Company's Board of Directors terminates for any reason.  The restricted stock units are immediately vested and non-forfeitable.</footnote>
        <footnote id="F2">Includes 143,260.4143 restricted stock units granted to Mr. Clarke under the Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James P. Shaughnessy, Attorney-in-fact for Jeff Clarke</signatureName>
        <signatureDate>2010-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----