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 October 2018

Commission File Number: 001-14550

China Eastern Airlines Corporation Limited

(Translation of Registrant’s name into English)

Board Secretariat’s Office

5/F, Block A2, Northern District, CEA Building

36 Hongxiang 3rd Road, Minhang District

Shanghai, China 200335

(Address of principal executive offices)

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  ☐ Form 40-F

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):  ☐

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):  ☐

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:  ☐ Yes   ☒ No

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):     n/a

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.

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Certain statements contained in this announcement may be regarded as “forward-looking statements” within the meaning of the U.S. Securities Exchange Act of 1934, as amended. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual performance, financial condition or results of operations of the Company to be materially different from any future performance, financial condition or results of operations implied by such forward-looking statements. Further information regarding these risks, uncertainties and other factors is included in the Company’s filings with the U.S. Securities and Exchange Commission. The forward-looking statements included in this announcement represent the Company’s views as of the date of this announcement. While the Company anticipates that subsequent events and developments may cause the Company’s views to change, the Company specifically disclaims any obligation to update these forward-looking statements, unless required by applicable laws. These forward-looking statements should not be relied upon as representing the Company’s views as of any date subsequent to the date of this announcement.

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Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

2018 THIRD QUARTERLY REPORT

This announcement is made pursuant to the requirements under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong) and Rule 13.09 and Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

The financial statements of the Company for the third quarter of 2018 were not audited, and were prepared in accordance with the China Accounting Standards for Business Enterprises.

This announcement is made by China Eastern Airlines Corporation Limited (the “Company”) pursuant to the disclosure requirement under Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”) (which requires any issuer listed on The Stock Exchange of Hong Kong Limited (the “Hong Kong Stock Exchange”) whose securities are also listed on other stock exchange(s) to simultaneously inform the Hong Kong Stock Exchange of any information released to any of such other exchange(s) and to ensure that such information is released to the market in Hong Kong at the same time as it is released to the other market(s)). At the request of the Shanghai Stock Exchange, a similar announcement of the even date is being made simultaneously by the Company in Shanghai pursuant to the relevant provisions of the Shanghai listing rules and regulations.

This quarterly report was prepared in accordance with the regulations as prescribed by the China Securities Regulatory Commission in relation to disclosure of information in quarterly reports for listed companies, and is published simultaneously in Shanghai and Hong Kong. The financial statements of the Company for the third quarter of 2018 were not audited, and were prepared in accordance with the China Accounting Standards for Business Enterprises.

The board of directors (the “Board”) and the supervisory committee of the Company, and its directors, supervisors and senior management hereby confirm that the information set out in this quarterly report does not contain false information, misleading statement or material omission, and accept joint and several responsibility for the correctness, accuracy and completeness of the information set out in this quarterly report.

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All directors of the Company attended the meeting of the Board to consider this quarterly report.

Liu Shaoyong, the person-in-charge of the Company, Ma Xulun, the officer-in-charge of accounting of the Company, and Wu Yongliang, the officer-in-charge of the accounting department (accounting officer) of the Company hereby confirm that the financial statements forming part of this quarterly report are true, accurate and complete.

The financial statements in the third quarterly report of the Company are unaudited.

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Non-recurring profit and loss and relevant amounts

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As at the end of the reporting period, CES Global has pledged an aggregate of 1.45 billion H Shares of the Company.

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Pursuant to the notice regarding the “Accounting Standards for Business Enterprises No. 14 — Revenue”, “Accounting Standards for Business Enterprises No. 22 — Recognition and Measurement of Financial Instruments”, “Accounting Standards for Business Enterprises No. 23 — Transfer of Financial Assets”, “Accounting Standards for Business Enterprises No. 24 — Hedge Accounting”, “Accounting Standards for Business Enterprises No. 37 — Presentation of Financial Instruments” amended and published by the Ministry of Finance, the Company has applied the above revised Accounting Standards for Business Enterprises since 1 January 2018. In respect of the cumulative effect of initial application of the above standards, the Company adjusted the retained profit and other comprehensive income at the beginning of the reporting period of 2018, and the shareholder’s equity at the beginning of the reporting period increased to 1,031 million.

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On 10 July 2018, the related matters of this non-public issuance of A Shares and non-public issuance of H Shares were approved at the fifteenth ordinary meeting of the eighth session of the Board. The Company intends to non-publicly issue A Shares to Juneyao Airlines Co., Ltd. (“Juneyao Airlines”), and its controlling shareholder Juneyao (Group) Co., Ltd. (“Juneyao Group”) and/or its designated controlled subsidiaries and China Structural Reform Fund Corporation Limited for proceed of not more than RMB11.8 billion (inclusive); the Company intends to non-publicly issue H Shares to Juneyao Airlines and/or its designated controlled subsidiaries for proceed of not more than HK$3.5503 billion (inclusive). The Company received the approval from State-owned Assets Supervision and Administration Commission of the State Council (“SASAC”) on 25 August 2018, SASAC agreed in principle on this non-public issuance of A Shares and H Shares proposal of the Company. On 30 August 2018, the relevant resolutions were considered and approved at the 2018 third extraordinary general meeting, 2018 first A Share class meeting and 2018 first H Share class meeting of the Company. On the same date, the resolution for the clarification and specification of subscribers of A Shares regarding the non-public issuance of A Shares by the Company in 2018 was considered and approved at the 2018 fourth regular meeting of the Board. On 18 October 2018, the resolution for the clarification and specification of subscribers of H Shares regarding the non-public issuance of H Shares by the Company in 2018 was considered and approved at the seventeenth ordinary meeting of the eighth session of the Board. For details, please refer to the announcements of the Company published on the websites of Shanghai Stock Exchange and Hong Kong Stock Exchange on 10 July, 29 August, 30 August and 18 October 2018. The non-public issuance proposal is still pending approval by regulatory authorities including the Civil Aviation Administration of China (if required) and/or East China Regional Administration of the Civil Aviation Administration of China and China Securities Regulatory Commission.

On 30 August 2018, the 2018 third extraordinary general meeting of the Company considered and approved the resolution regarding the amendments to certain provisions of the articles of association of the Company, the rules for the meetings of the Board and the rules for the meeting of the supervisory committee of the Company. For details, please refer to the announcement of the Company published on the websites of Shanghai Stock Exchange and Hong Kong Stock Exchange on 30 August 2018.

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According to the unified deployment and arrangement of the Company’s comprehensive deepened reform, certain directors and supervisors resigned from the positions as directors and supervisors of the Company. On 30 August 2018, independent directors, shareholder representative supervisors, employee representatives supervisors and chief legal adviser of the Company were elected at the 2018 third extraordinary general meeting, the 2018 third leader joint meeting of the sixth employee representatives and the 2018 fourth regular meeting of the Board, respectively. For details, please refer to the announcements of the Company published on the websites of Shanghai Stock Exchange and Hong Kong Stock Exchange on 8 August and 30 August 2018.

As at the end of the reporting period, the undertakings of the Company have been fully fulfilled.

Not applicable

As at the date of this announcement, the directors of the Company include Liu Shaoyong (Chairman), Ma Xulun (Vice Chairman, President), Lin Wanli (Independent non-executive Director), Li Ruoshan (Independent non-executive Director), Ma Weihua (Independent non-executive Director), Shao Ruiqing (Independent non-executive Director), Cai Hongping (Independent nonexecutive Director) and Yuan Jun (Employee Representative Director).

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The financial statements are signed by:

Legal representative: Liu Shaoyong

Officer-in-charge of accounting: Ma Xulun

Officer-in-charge of the accounting department: Wu Yongliang

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