Issuer Free Writing Prospectus Filed Pursuant to Rule 433

supplementing the

Preliminary Prospectus Supplement dated November 13, 2018

Registration No. 333-223058

MARRIOTT INTERNATIONAL, INC.

Floating Rate Series Y Notes due 2020

4.150% Series Z Notes due 2023

4.650% Series AA Notes due 2028

PRICING TERM SHEET

Dated: November 13, 2018

Floating Rate Series Y Notes due 2020

Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

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Note: The issuer expects that delivery of the notes will be made to investors on or about November 16, 2018, which will be the third business day following the date of the prospectus supplement (such settlement being referred to as “T+3”). Under Rule 15c6-1 under the Exchange Act, trades in the secondary market are required to settle in two business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the notes before the second business day prior to November 16, 2018 will be required, by virtue of the fact that the notes initially settle in T+3, to specify an alternative settlement arrangement at the time of any such trade to prevent a failed settlement. Purchasers who wish to trade notes prior to their date of delivery hereunder should consult their advisors.

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering.

You may get these documents for free by visiting EDGAR on the SEC web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling J.P. Morgan Securities LLC at (212) 834-4533 (collect) or Deutsche Bank Securities Inc. at (800) 503-4611.

4.150% Series Z Notes due 2023

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Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

Note: The issuer expects that delivery of the notes will be made to investors on or about November 16, 2018, which will be the third business day following the date of the prospectus supplement (such settlement being referred to as “T+3”). Under Rule 15c6-1 under the Exchange Act, trades in the secondary market are required to settle in two business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the notes before the second business day prior to November 16, 2018 will be required, by virtue of the fact that the notes initially settle in T+3, to specify an alternative settlement arrangement at the time of any such trade to prevent a failed settlement. Purchasers who wish to trade notes prior to their date of delivery hereunder should consult their advisors.

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering.

You may get these documents for free by visiting EDGAR on the SEC web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling J.P. Morgan Securities LLC at (212) 834-4533 (collect) or Deutsche Bank Securities Inc. at (800) 503-4611.

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4.650% Series AA Notes due 2028

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Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

Note: The issuer expects that delivery of the notes will be made to investors on or about November 16, 2018, which will be the third business day following the date of the prospectus supplement (such settlement being referred to as “T+3”). Under Rule 15c6-1 under the Exchange Act, trades in the secondary market are required to settle in two business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the notes before the second business day prior to November 16, 2018 will be required, by virtue of the fact that the notes initially settle in T+3, to specify an alternative settlement arrangement at the time of any such trade to prevent a failed settlement. Purchasers who wish to trade notes prior to their date of delivery hereunder should consult their advisors.

The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering.

You may get these documents for free by visiting EDGAR on the SEC web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling J.P. Morgan Securities LLC at (212) 834-4533 (collect) or Deutsche Bank Securities Inc. at (800) 503-4611.

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