UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2016

Commission File Number: 001-33853

CTRIP.COM INTERNATIONAL, LTD.

968 Jin Zhong Road

Shanghai 200335, People’s Republic of China

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F        x              Form 40-F        o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  o

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date:                               September 14, 2016

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EXHIBIT INDEX

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Exhibit 99.1

Ctrip.com International, Ltd. Announces Completion of Offering of American Depositary Shares

SHANGHAI, September 13, 2016 — Ctrip.com International, Ltd. (Nasdaq: CTRP), a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China (“Ctrip” or the “Company”), today announced the completion of the offering of 28,500,000 American depositary shares (“ADSs”), each representing 0.125 of an ordinary share (the “ADS Offering”), at US$45.96 per ADS. Ctrip has granted the underwriters in the ADS Offering a 30-day option to purchase up to an additional 4,275,000 ADSs to cover over-allotments, if any.

The Company also closed the concurrent offering of US$900 million in aggregate principal amount of convertible senior notes due 2022 (the “Notes”) (the “Notes Offering”) on September 12, 2016. The Notes were offered to qualified institutional buyers pursuant to Rule 144A under the United States Securities Act of 1933, as amended (the “Securities Act”), and certain non-U.S. persons in compliance with Regulation S under the Securities Act. The Company has granted the initial purchasers a 30-day option to purchase up to an additional US$75 million principal amount of the Notes solely to cover over-allotments, if any.

J.P. Morgan Securities LLC and Morgan Stanley & Co. International plc acted as the joint book-running managers for the ADS Offering.

Concurrently with the ADS Offering, the Company closed private placements of Ctrip’s ordinary shares with the respective subsidiaries of Baidu, Inc. (“Baidu”) and The Priceline Group Inc. (“Priceline”), Ctrip’s existing shareholders, at an aggregate investment amount of US$100 million and US$25 million, respectively, pursuant to exemptions from registration with the U.S. Securities and Exchange Commission (the “SEC”) under Regulation S and Section 4(a)(2) of the Securities Act, respectively. In addition, concurrently with the closing of the Notes Offering, the Company also closed a private placement of US$25 million aggregate principal amount of convertible notes due 2022 with a subsidiary of Priceline pursuant to an exemption from registration with the SEC under Section 4(a)(2) of the Securities Act.

The Company plans to use the net proceeds from the ADS Offering and the concurrent private placements of ordinary shares for organic growth of Ctrip’s business, acquisitions of and investments in complementary businesses and assets, and other general corporate purposes.

The ADS Offering has been made only by means of a prospectus supplement and an accompanying prospectus included in a registration statement on Form F-3 filed with the SEC on December 9, 2015, which automatically became effective upon filing. Copies of the prospectus supplement and the accompanying prospectus relating to the ADS Offering may be obtained from J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Ave., Edgewood, NY 11717, Attention: Prospectus Library, 866-803-9204, and Morgan Stanley, Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY, 10014.

This press release shall not constitute an offer to sell or a solicitation of an offer to purchase any securities, nor shall there be a sale of the securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “may,” “will,” “expect,” “anticipate,” “future,” “intend,” “plan,” “believe,” “estimate,” “is/are likely to,” “confident” or other similar statements. Ctrip may also make written or oral forward-looking statements in its periodic reports to the SEC, in its annual report to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. Forward-looking statements involve inherent risks and uncertainties. A number of important factors could cause actual results to differ materially from those contained in any forward-looking statement. Potential risks and uncertainties include, but are not limited to, severe or prolonged downturn in the global or Chinese economy, general declines or disruptions in the travel industry, volatility in the trading price of Ctrip’s ADSs, Ctrip’s reliance on its relationships and contractual arrangements with travel suppliers and strategic alliances, failure to further increase Ctrip’s brand recognition to obtain new business partners and consumers, failure to compete against new and existing competitors, failure to successfully manage current growth and potential future growth, risks associated with any strategic investments or acquisitions, seasonality in the travel industry in mainland China, Hong Kong, Macau or Taiwan, failure to successfully develop Ctrip’s corporate travel business, damage to or failure of Ctrip’s infrastructure and technology, loss of services of Ctrip’s key executives, adverse changes in economic and political policies of the PRC government, inflation in China, risks and uncertainties associated with PRC laws and regulations with respect to the ownership structure of Ctrip’s affiliated Chinese entities and the contractual arrangements among Ctrip, its affiliated Chinese entities and their shareholders, and other risks outlined in Ctrip’s filings with the SEC, including its annual report on Form 20-F and other filings. All information provided in this press release and in the attachments is as of the date of the issuance, and Ctrip does not undertake any obligation to update any forward-looking statement, except as required under applicable law.

About Ctrip.com International, Ltd.

Ctrip.com International, Ltd. is a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China. It is the largest online consolidator of accommodations and transportation tickets in China in terms of transaction volume. Ctrip enables business and leisure travelers to make informed and cost-effective bookings by aggregating comprehensive travel related information and offering its services through an advanced transaction and service platform consisting of its mobile apps, Internet websites and centralized, toll-free, 24-hour customer service center. Ctrip also helps customers book vacation packages and guided tours. In addition, through its corporate travel management services, Ctrip helps corporate clients effectively manage their travel requirements. Since its inception in 1999, Ctrip has experienced substantial growth and become one of the best-known travel brands in China.

For further information, please contact:

Investor Relations
Ctrip.com International, Ltd.
Tel: (+86) 21 3406 4880 X 12300
Email: iremail@ctrip.com

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Exhibit 99.2

Ctrip.com International, Ltd. Announces Completion of Offering of Convertible Senior Notes

SHANGHAI, September 13, 2016 — Ctrip.com International, Ltd. (Nasdaq: CTRP), a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China (“Ctrip” or the “Company”), today announced the completion of the offering of US$900 million in aggregate principal amount of convertible senior notes due 2022 (the “Notes”). The Notes were offered to qualified institutional buyers pursuant to Rule 144A under the United States Securities Act of 1933, as amended (the “Securities Act”), and certain non-U.S. persons in compliance with Regulation S under the Securities Act. The Company has granted the initial purchasers a 30-day option to purchase up to an additional US$75 million principal amount of the Notes solely to cover over-allotments, if any. The Notes will be convertible into Ctrip’s American depositary shares (“ADSs”), each representing 0.125 of an ordinary share of Ctrip, at the option of the holders, based on an initial conversion rate of 15.2688 of the Company’s ADSs per US$1,000 principal amount of Notes (which is equivalent to an initial conversion price of approximately US$65.49 per ADS and represents an approximately 42.5% conversion premium over the closing trading price of the Company’s ADSs on September 6, 2016, which was US$45.96 per ADS). The conversion rate for the Notes is subject to adjustment upon the occurrence of certain events.

The Notes will bear interest at a rate of 1.25% per year, payable semiannually in arrears on March 15 and September 15 of each year, beginning on March 15, 2017. The Notes will mature on September 15, 2022, unless previously repurchased, redeemed or converted in accordance with their terms prior to such date.

The Company also closed the concurrent offering of 28,500,000 ADSs (the “ADS Offering”) at US$45.96 per ADS on September 12, 2016. Ctrip has granted the underwriters in the ADS Offering a 30-day option to purchase up to an additional 4,275,000 ADSs in connection with the ADS Offering to cover over-allotments, if any.

Concurrently with the closing of the Notes Offering, the Company closed a private placement of US$25 million aggregate principal amount of convertible notes due 2022 with a subsidiary of The Priceline Group Inc. (“Priceline”), Ctrip’s existing shareholder, pursuant to an exemption from registration with the U.S. Securities and Exchange Commission (the “SEC”) under Section 4(a)(2) of the Securities Act. In addition, concurrently with the ADS Offering, the Company closed private placements of Ctrip’s ordinary shares with the respective subsidiaries of Baidu, Inc. (“Baidu”) and Priceline, Ctrip’s existing shareholders, at an aggregate investment amount of US$100 million and US$25 million, respectively, pursuant to exemptions from registration with the SEC under Regulation S and Section 4(a)(2) of the Securities Act, respectively.

The Company plans to use the net proceeds from the Notes Offering and the concurrent private placement of convertible notes to Priceline for organic growth of Ctrip’s business, acquisitions of and investments in complementary businesses and assets, and other general corporate purposes.

The Notes, the ADSs deliverable upon conversion of the Notes and the ordinary shares represented thereby, have not been registered under the Securities Act or any state securities laws. They may not be offered or sold within the United States or to U.S. persons, except to qualified institutional buyers in reliance on the exemption from registration provided by Rule 144A under the Securities Act and to certain persons in offshore transactions in reliance on Regulation S under the Securities Act.

This press release shall not constitute an offer to sell or a solicitation of an offer to purchase any securities, nor shall there be a sale of the securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “may,” “will,” “expect,” “anticipate,” “future,” “intend,” “plan,” “believe,” “estimate,” “is/are likely to,” “confident” or other similar statements. Ctrip may also make written or oral forward-looking statements in its periodic reports to the SEC, in its annual report to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. Forward-looking statements involve inherent risks and uncertainties. A number of important factors could cause actual results to differ materially from those contained in any forward-looking statement. Potential risks and uncertainties include, but are not limited to, severe or prolonged downturn in the global or Chinese economy, general declines or disruptions in the travel industry, volatility in the trading price of Ctrip’s ADSs, Ctrip’s reliance on its relationships and contractual arrangements with travel suppliers and strategic alliances, failure to further increase Ctrip’s brand recognition to obtain new business partners and consumers, failure to compete against new and existing competitors, failure to successfully manage current growth and potential future growth, risks associated with any strategic investments or acquisitions, seasonality in the travel industry in mainland China, Hong Kong, Macau or Taiwan, failure to successfully develop Ctrip’s corporate travel business, damage to or failure of Ctrip’s infrastructure and technology, loss of services of Ctrip’s key executives, adverse changes in economic and political policies of the PRC government, inflation in China, risks and uncertainties associated with PRC laws and regulations with respect to the ownership structure of Ctrip’s affiliated Chinese entities and the contractual arrangements among Ctrip, its affiliated Chinese entities and their shareholders, and other risks outlined in Ctrip’s filings with the SEC, including its annual report on Form 20-F and other filings. All information provided in this press release and in the attachments is as of the date of the issuance, and Ctrip does not undertake any obligation to update any forward-looking statement, except as required under applicable law.

About Ctrip.com International, Ltd.

Ctrip.com International, Ltd. is a leading travel service provider of accommodation reservation, transportation ticketing, packaged tours and corporate travel management in China. It is the largest online consolidator of accommodations and transportation tickets in China in terms of transaction volume. Ctrip enables business and leisure travelers to make informed and cost-effective bookings by aggregating comprehensive travel related information and offering its services through an advanced transaction and service platform consisting of its mobile apps, Internet websites and centralized, toll-free, 24-hour customer service center. Ctrip also helps customers book vacation packages and guided tours. In addition, through its corporate travel management services, Ctrip helps corporate clients effectively manage their travel requirements. Since its inception in 1999, Ctrip has experienced substantial growth and become one of the best-known travel brands in China.

For further information, please contact:

Investor Relations
Ctrip.com International, Ltd.
Tel: (+86) 21 3406 4880 X 12300
Email: iremail@ctrip.com

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