Document:

<PAGE>

                                                                   EXHIBIT 10.18

                                PROMISSORY NOTE

$400,000.00                                                     October 31, 1999

--------------------------------------------------------------------------------
    1.    FOR VALUE RECEIVED, the undersigned, Sam E. Galeotos, an individual
(the "Borrower"), hereby promises to pay to the order of Cheap Tickets, Inc., a
Delaware corporation (the "Lender"), at the Lender's address of 1440 Kapiolani
Boulevard, Suite 800, Honolulu, Hawaii 96814, or at such other place as the
Lender from time to time may designate, in lawful money of the United States and
in immediately available funds, the principal amount of FOUR-HUNDRED THOUSAND
AND NO/100 DOLLARS ($400,000.00) with no interest thereon from the date the
proceeds of the loan evidenced by this Promissory Note (this "Note") are
disbursed until maturity (whether such maturity is scheduled or accelerated).

    2.    The entire unpaid principal balance and any other sums outstanding
under this Note shall be due and payable upon October 31, 2002.

    3.    Principal, any interest, and all other sums owed to the Lender under
this Note shall be evidenced by entries in records maintained by the Lender for
such purpose.

    4.    Any interest and fees shall be calculated for actual days elapsed on
the basis of a 365-day year. In no event shall the Borrower be obliged to pay
interest at a rate in excess of the highest rate permitted by applicable law
from time to time in effect.

    5.    The Borrower may prepay some or all of the principal under this Note
without penalty or premium.

    6.    From and after maturity of this Note, whether scheduled or
accelerated, all sums then due and payable under this Note, including all
principal and all accrued interest, shall bear interest at a rate of Ten Percent
(10%) per annum until paid in full.

    7.    This Note is issued pursuant to and governed by Section 3.1(d) of that
                                                          --------------
certain Employment Agreement dated as of October 25, 1999, by and between the
Lender and the Borrower (the "Employment Agreement").

    8.    If the Lender delays in exercising or fails to exercise any of its
rights under this Note, that delay or failure shall not constitute a waiver of
any of the Lender's rights, or of any breach, default or failure of condition of
or under this Note. All of the Lender's remedies in connection with this Note or
under applicable law shall be cumulative, and the Lender's exercise of any one
or more of those remedies shall not constitute an election of remedies. The
illegality or unenforceability of any provision of this Note or any related
document shall not in any way affect or impair the legality or enforceability of
the remaining provisions of this Note or any related document.

    9.    This Note inures to and binds the heirs, legal representatives,
successors and assigns of the Borrower and the Lender; provided, however, that
the Borrower may not assign this Note, or assign or delegate any of its rights
or obligations, without the prior written consent

                                       1
<PAGE>

of the Lender in each instance. The Lender in its sole discretion may transfer
this Note without notice to or the consent of the Borrower.

    10.   This Note is governed by the laws of the State of Hawaii, without
regard to the choice of law rules of that State.

    11.   Any dispute, controversy or claim arising out of or relating in any
manner to this Note or the loan shall be resolved pursuant to Section 10 of the
Employment Agreement.

                              By: /s/ Sam E. Galeotos
                                 --------------------
                              Name:   Sam E. Galeotos
                              Address:  1440 Kapiolani Boulevard, Suite 800
                                        Honolulu, Hawaii 96814

NOTEHOLDER:

CHEAP TICKETS, INC.,
a Delaware corporation

By: /s/ Mike Hartley
   --------------------
Name:   Mike Hartley
     ------------------
Title:    CEO
      -----------------

MAILING ADDRESS:

Cheap Tickets, Inc.
1440 Kapiolani Boulevard, Suite 800
Honolulu, Hawaii 96814
Attn:
     ------------------------------

                                       2<PAGE>

                                                                   EXHIBIT 10.19

Note: Portions of this exhibit indicated by "[*]" are subject to a confidential
treatment request, and have been omitted from this exhibit.  Complete,
unredacted copies of this exhibit have been filed with the Securities and
Exchange Commission as part of the Company's confidential treatment request.

                         [LOGO] AMERICA WEST AIRLINES
                            CONSOLIDATOR AGREEMENT

This Agreement is made February 4, 2000, between America West Airlines Inc., a
Delaware corporation at 4000 East Sky Harbor Boulevard, Phoenix, Arizona 85034,
(herein "America West") and Cheap Tickets Inc., a Hawaii corporation at 1440
Kapiolani Boulevard, Suite 800, Honolulu, Hawaii 96814, (herein "Customer").
The parties agree to the following mutual covenants:

1.   FARES:
     a)   This Agreement is valid for use by Cheap Tickets Inc.
     b)   Seats sold will be at specific fare levels in markets specified by
          America West and under the conditions stated in Attachments A and B
          herein.
     c)   The net fares offered in conjunction with this Agreement shall be
          applicable for travel wholly over the services of America West and
          America West Express as specified in Attachment A; all other codeshare
          flights are not applicable.  Net fares are provided in Consolidator
          Fare schedules per previous and/or future fare distributions.
     d)   Net fares are subject to change at the sole and complete discretion of
          America West.  Written notice shall be provided to Customer not less
          than five (5) business days prior to the effective ticketing date of
          any net-fare change, or two (2) business days for electronically filed
          fares.  Customer agrees that all tickets issued as of the effective
          date of any net-fare change shall reflect the applicable fares of such
          fare change.  Customer agrees to sign and return the confirmation page
          of all Bulk Fare Advisories, thereby signifying acceptance of all
          terms, conditions and fares contained in said advisory.  Failure to
          sign and return confirmation does not release Customer from adherence
          to any revisions made on such advisories.
     e)   Fares do not include the following: U.S. transportation or
                   ---
          international taxes, fuel surcharges, passenger facility charges,
          and/or other city/governmental surcharges.

2.   PAYMENT/REPORTING:
     Customer agrees to issue tickets on standard industry ticket stock.  In
     accordance with ARC policies and procedures, tickets will be reported and
     funds due for tickets will be remitted through ARC each week.  Invoices for
     other than ticket sales shall be due and payable within fifteen (15) days
     from the date of invoice and shall not be subject to any offset or
     deduction for any purpose.

3.   ADVERTISING:
     Customer agrees not to use the America West trade name, service marks,
     logos, emblems, symbols or other brand identifiers in any advertising
     promotional material, brochures, facsimiles, printed matter, signs or
     Internet sites without the prior review and written approval of such
     material by America West.

4.   INTERNET
     If Customer utilizes an Internet site to facilitate the sale of America
     West seats, Customer agrees to the following:
     a)   A complete list of all Internet addresses connected to the sale of
          America West seats will be provided to America West within ten (10)
          business days of submission of this signed Agreement.  Any additions,
          deletions or corrections to this list must be communicated to America
          West within ten (10) business days of said additions, deletions or
          corrections.  Communication must be made via electronic mail to
          sp&a@americawest.com.
     b)   Customer agrees to provide monthly reports listing the number of
          America West tickets sold via the Internet and the grand total of
          America West ticket sales (Internet sales plus all other sales).
          Reports must be received by America West by the 10th business day of
          each month, with totals representing the previous month's ticket
          sales.  The report must be sent via electronic mail to
          sp&a@americawest.com.
     c)   If an Internet site contains restricted pages that are used to
          facilitate business, Customer agrees to provide America West with
          passwords necessary to gain access to restricted pages.

5.   CONTRACT NONCOMPLIANCE:
     a)   America West is entitled to receive compensation for the full value of
          the coach fare in the event that inventory sold is not ticketed or
          released in accordance with this Agreement, including Attachments A
          and B.
     b)   Compensation due America West will be invoiced to Customer due and
          payable fifteen (15) business days after notification.
     c)   Noncompliance with booking and/or ticketing procedures set forth in
          this Agreement and its Attachments will result in a debit memo to
          Customer.  Noncompliance includes but is not limited to reservations
          booked and/or ticketed in the wrong class of service, wrong fare,
          individual bookings that qualify as a group, and/or booking published
          fares without ticketing in accordance with tariff rules.  Customer
          will be responsible for noncompliance.  America West will issue debit
          memos to recover CRS fees and full-ticket value of noncompliant
          bookings/tickets.

6.   DEFAULT:
     In the event Customer fails to make payment as required by this Agreement,
     America West shall provide written notice to Customer to cure such default
     within five (5) business days from the date of such notice.  In the event
     such non-payment is not cured within said five (5) days, this Agreement
     shall be terminated immediately.  If Customer fails to perform any other
     terms of this Agreement and is in default thereof, this Agreement may be
     terminated after thirty (30) days written notice of those matters in
     default and the failure of Customer to cure such default.  America West
     shall be free to pursue all legal and equitable remedies available for any
     default.
<PAGE>

                             AMERICA WEST AIRLINES
                      CONSOLIDATOR AGREEMENT (continued)

7.   TERMS AND TERMINATION:
     a)   The term of this Agreement is from February 15, 2000, through December
          31, 2000, with all travel completed forty-five (45) days after the
          Agreement expires.  Either party may terminate this Agreement without
          cause by giving not less than thirty (30) days prior written notice of
          the intention to do so.  Such termination shall not relieve either
          party from payment of amounts currently due and owing.
     b)   Should Customer fail to perform its duties as outlined in this
          Agreement, and such default continues after thirty (30) days written
          notice to correct such default, then America West may terminate this
          Agreement without further notice.

8.   LOST TICKETS:
     When a passenger loses his/her America West ticket, the passenger may
     purchase a replacement ticket for the portion lost and will be refunded the
     price of the replacement ticket minus the applicable fee, provided the
     itinerary (flight number, travel date, city) of the replacement ticket is
     exactly the same as the lost ticket.  If a replacement ticket is not
     -------
     purchased for the exact itinerary, no refund will be made.
                       -----

9.   COMMISSION
     Attachment B herein represents the only commission program for which
     Customer is eligible.  Customer shall be entitled to a commission on
     applicable published fares in specified markets for individual travel per
                ---------
     Attachment B.  All published-fare commissions must be taken at point of
     sale.  Net fares offered under this agreement are not eligible for
     commission.  ARC ticketing locations included under this agreement shall
     not be eligible for further override commission or soft dollar incentives.

10.  CONFIDENTIALITY:
     All terms and conditions of this Agreement are strictly confidential.  Any
     breach of confidentiality; duplication of the Agreement, its Attachments,
     Bulk Fare Advisories and/or Consolidator Fare schedules; use or disclosure
     of this Agreement in whole or in part for any purpose shall immediately
     render this Agreement null and void and subject to immediate cancellation
     at the option of America West.

11.  ENTIRE AGREEMENT:
     This Agreement represents the entire understanding between the parties.  No
     waiver, alteration or modification of any of the provisions herein shall be
     binding unless in writing and signed by and authorized agent or
     representative of the parties.

12.  ASSIGNMENT AND BINDING EFFECT:
     The provisions of this Agreement shall be binding upon any successor to
     either of the parties, but shall not be assignable by Customer.

13.  ATTORNEY FEES:
     In the event action is necessary to enforce the terms of this Agreement,
     the prevailing party in such action shall be entitled to recover its
     reasonable attorney fees and costs.

14.  APPLICABLE LAW:
     The laws of the State of Arizona shall govern this Agreement.

15.  AUTHORIZED TICKETING LOCATIONS
     Tickets issued under this Agreement may be issued only through designated
     ticketing locations as shown on Attachment C.  Customer agrees to provide
     written notice of any changes, additions or deletions to designated
     ticketing locations upon not less than ten (10) days prior written notice
     to America West via electronic mail to sp&a@americawestcom.  If e-mail is
     not available, changes should be sent to the following postal address:

                             America West Airlines
                    Off-Tariff Contracts, Mail Code CH-SPA
                        4000 East Sky Harbor Boulevard
                            Phoenix, Arizona 85034

     All ARC lists, changes and additions submitted must include the following
     information: The complete eight-digit ARC number, agency name, address and
     phone number.  If the number of ARC locations exceeds ten (10), Customer
     agrees to provide ARC numbers via electronic mail or floppy diskette (IBM
     compatible) in MS Excel format.

<TABLE>
<CAPTION>
CHEAP TICKETS, INC.                                  AMERICA WEST AIRLINES, INC.
<S>                                            <C>
By:    /s/ Michael Hartley                           By:       /s/ Ron Cole
       -------------------------------------                   -------------------------------------
       Michael Hartley                                         Ron L. Cole
       President & Chief Executive Officer                     Vice President, Sales

Date:    2-11-00                                     Date:       03-03-00
       -------------------------------------                   -------------------------------------

                                                     Initials:  /s/ M.L.     /s/ J.S.
                                                                -----------  ----------
                                                                M. Loew      J. Schmidt
</TABLE>
<PAGE>

                        ATTACHMENT A - NET FARE PROGRAM
                        -------------------------------

<TABLE>
<CAPTION>
PROGRAM TITLE:                     Cheap Tickets Inc.
--------------
<S>                               <C>
Address:                           1440 Kapiolani Boulevard, Suite 800
                                   Honolulu, Hawaii 96814
ARC Number(s):                     See Attachment C
Automation System(s):              Sabre
Contact:                           Michael Hartley
Phone:                             (808) 945-7439
Fax:                               (808) 945-0610
E-mail:                            mhartley@cheaptickets.com
Internet site:                     www.cheaptickets.com
RESERVATIONS:                      Booked by Customer only, through automation.  Bookings made [*] are
------------                       permitted with [*].
Booking Class:                     Day: V class / Night: KN class
Groups:                            Not Permitted.
OSI Entries:                       3 OSI HP CTCT (808) 945-7439 CHEAP TICKETS
                                   3 OSI HP CHANGES THROUGH CONSOLIDATOR ONLY
                                   3 OSI HP FLIGHTFUND CREDIT NOT PERMITTED
                                   3 OSI HP TKNA 401 xxxx xxx xxx
TICKET INFORMATION:
------------------
Changes:                           [*] non-commissionable fee per ticket.  Ticket reissuance by Customer only, prior to original
                                   travel date only.  Changes to name, origin or destination are not permitted.  Once travel has
                                   commenced, changes to return are not permitted (standby travel only).
Fares:                             As listed on Consolidator Fare list.  All net fares are subject to change with five (5) business
                                   days notice or two (2) days for electronically filed fares.
                                   Fares are net, non-commissionable.
                                   Fares do not include taxes or surcharges.
                                            ---
                                   Net fares are subject to change until ticketed.
                                   When LAX-CMH nonstop night service is used for LAX to East Coast, the night fare may be used
                                   when the connecting flight out of CMH departs at or before 9:10 a.m.  Applicable East Coast
                                   cities are BDL, BOS, BWI, DCA, EWR, LGA, MDW, PHL.

Fare Basis Codes:

                                                                     FARE BASIS CODES
                                   -------------------------------------------------------------------------------
                                   <S>                       <C>            <C>        <C>              <C>
                                   Fee Type                 Day Off Peak   Day Peak   Night Off Peak   Night Peak
                                   -------------------------------------------------------------------------------
                                   HIGH Season One-Way       VHO3CNO        VHP3CNO    KNHO2CNO         KNHP2CNO
                                   -------------------------------------------------------------------------------
                                   HIGH Season Roundtrip     VHO3CN         VHP3CN     KNHO2CN          KNHP2CN
                                   -------------------------------------------------------------------------------
                                   LOW Season One-Way        VO3CNO         VP3CNO     KNO2CNO          KNP2CNO
                                   -------------------------------------------------------------------------------
                                   LOW Season Roundtrip      VO3CN          VP3CN      KNO2CN           KNP2CN
                                   -------------------------------------------------------------------------------

IT Code:                           ITLPCTI (must appear in tour code box)
Restrictions:                      Tickets are nontransferable and nonrefundable, with the exception of death of the passenger
                                   (properly documented).
Ticketing Agency:                  Cheap Tickets Inc.
Ticket Time Limit:                 All tickets must be issued [*].
Ticket Entries:                    1.   Base net fare, tax and total on auditor's coupon only.
                                                                        ---------------------
                                   2.   Flight coupons shall show zero (0) or BULK plus applicable XF charges.

                                   3.   Not valid before date of travel.
                                   4.   Not valid after thirty (30) days from original travel date.

PROGRAM SPECIFICS
-----------------
Days/Travel:                       Off-Peak [*]  (both directions).
                                   Peak [*] (both directions).
Flight Fund:                       Not permitted on net fares; permitted on published fares only.
Markets:                           Systemwide
[*]                                [*]
[*]                                [*]
Open Jaw:                          Permitted
Open Returns:                      Not Permitted
PTA/TBM:                           Not Permitted
Routing:                           Published America West and America West Express routings only.  All other codeshare flights are
                                   not applicable.
Rule 240:                          Permitted
[*]                                [*]
Stopover:                          Not Permitted
Waitlists:                         Not Permitted
</TABLE>

[*] The redacted portion, indicated by this symbol, is the subject of a
confidential treatment request.

<PAGE>

<TABLE>
<CAPTION>

        ATTACHMENT B - COMMISSION ON PUBLISHED FARES (Individual Travel)
        ----------------------------------------------------------------

RESERVATIONS:
------------
<S>                              <C>
Booking Class:                     Applicable published fare type
Groups:                            Not permitted
Reservations:                      Booked by Customer only

TICKET INFORMATION:
-------------------

Applicable Fares:                  America West published fares in effect at the time of
                                   ticketing and according to the tariff rules of that
                                   published fare (except as stated below).  See "Restrictions"
                                   below.
                                   Disclaimer:  Certain short-term, introductory or other
                                   ----------
                                   published promotional fares specifically prohibiting
                                   additional discounts do not apply.

                                   Restrictions:
                                   -------------
                                   1.  Companion fares do not apply
                                   2.  Promotional fares specifically prohibiting additional
                                       discounts do not apply
                                   3.  Other discounts do not apply (senior discounts,
                                       vouchers, etc.)
                                   4.  F-class excursion fares do not apply (FE14, etc.)

[*]
                                   [*]
Fare Basis Code:                   Applicable to the published fare used.
IT Code:                           ITLPCTIPBA (must appear in tour code box)
                                          ---
Ticketing Agency:                  Cheap Tickets Inc.
ARC Number(s):                     See Attachment C
Ticket Entries:                    All published fare ticket entries are required, with the
                                   exception of the following:
                                   The discounted published fare should be omitted from the
                                   base, tax and total box of the passenger coupon if Customer
                                   uses all of or a portion of commission to discount the
                                   published fare.  The discounted published fare and
                                   applicable base, tax, total and commission amounts must be
                                   shown on all auditor's coupons.

PROGRAM SPECIFICS:
------------------

                                   Published America West and America West Express routings only.
Markets:                           Codeshare flights are not applicable.
Restrictions:                      All published rules apply, unless otherwise stated above.
</TABLE>

[*] The redacted portion, indicated by this symbol, is the subject of a
confidential treat request.

<PAGE>

                 ATTACHMENT C - AUTHORIZED TICKETING LOCATIONS
                 ---------------------------------------------

PROGRAM TITLE:                     Cheap Tickets, Inc.
-------------                      1440 Kapiolani Boulevard, Suite 800
                                   Honolulu, Hawaii 96814

ARC NUMBERS OF AUTHORIZED TICKETING LOCATIONS UNDER THIS AGREEMENT:
------------------------------------------------------------------

05508274
05513266
05521714
05644236
05685713
05709745
06644444
12505964
12518483
12530954
12601676
12916120
33514526
33965750
36975820
50523911

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