Exhibit 24

                               Power of Attorney

      KNOW BY ALL THESE PRESENTS, that the undersigned hereby constitutes and
appoints James F. Rogers, the undersigned's true and lawful attorney-in-fact to:

    1.  prepare, execute for an on behalf of the undersigned, in the
        undersigned's name, place and stead in any and all capacities related to
        securities of Orbitz Worldwide, Inc. (the "Company"), any and all
        filings by the undersigned with the United States Securities and
        Exchange Commission (the "SEC") pursuant to Section 16 of the Securities
        Exchange Act of 1934 and the rules thereunder, as amended, and with
        respect to the foregoing, any other forms or reports the undersigned may
        be required to file in connection with the undersigned's ownership,
        acquisition, or disposition of securities of the Company, including,
        without limitation, Form ID;

    2.  do and perform any and all acts for and on behalf of the undersigned
        which may be necessary or desirable to complete, execute and deliver any
        such filing as described in paragraph (1) above, or other form or
        report, and timely file such form or report with the SEC and any stock
        exchange or similar authority; and

    3.  take any other action of any type whatsoever in connection with the
        foregoing which, in the opinion of such attorney-in- fact, may be of
        benefit to, in the best interest of, or legally required by, the
        undersigned, it being understood that the documents executed by such
        attorney-in-fact on behalf of the undersigned pursuant to this Power of
        Attorney shall be in such form and shall contain such terms and
        conditions as such attorney-in-fact may approve in such
        attorney-in-fact's discretion.

      The undersigned hereby grants to such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, is not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934 and the rules thereunder,
as amended.

      This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file any such filing as described in
paragraph (1) above, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorney-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of August 31, 2012.

                                  /s/ Martin J. Brand
                             --------------------------------
                             Name:  Martin J. Brand