Filing Details

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___________)* Air France-KLM SA (Name of Issuer) Common (Title of Class of Securities) 009119108 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X ] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 009119108

1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Donald Smith & Co., Inc. 13-2807845 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) [X] 3. SEC Use Only ......................................................... 4. Citizenship or Place of Organization A Delaware Corporation Number of 5. Sole Voting Power 6,678,392 shares Shares Beneficially 6. Shared Voting Power 0 Owned by Each Reporting 7. Sole Dispositive Power 16,083,112shares Person With 8. Shared Dispositive Power 0 9.Aggregate Amount Beneficially Owned by Each Reporting Person 16,083,112 shares 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11. Percent of Class Represented by Amount in Row (9) 3.75% 12. Type of Reporting Person (See Instructions) IA1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Donald Smith Long/Short Equities Fund, L.P. 27-1481102 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) [X] 3. SEC Use Only ......................................................... 4. Citizenship or Place of Organization A Delaware Corporation Number of 5. Sole Voting Power 44,878 shares Shares Beneficially 6. Shared Voting Power 0 Owned by Each Reporting 7. Sole Dispositive Power 16,083,112shares Person With 8. Shared Dispositive Power 0 9.Aggregate Amount Beneficially Owned by Each Reporting Person 16,083,112 shares 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11. Percent of Class Represented by Amount in Row (9) 3.75% 12. Type of Reporting Person (See Instructions) PN 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Donald G. Smith 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) [X] 3. SEC Use Only ......................................................... 4. Citizenship or Place of Organization A Delaware Corporation Number of 5. Sole Voting Power 95,515 shares Shares Beneficially 6. Shared Voting Power 0 Owned by Each Reporting 7. Sole Dispositive Power 16,083,112shares Person With 8. Shared Dispositive Power 0 9.Aggregate Amount Beneficially Owned by Each Reporting Person 16,083,112 shares 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11. Percent of Class Represented by Amount in Row (9) 3.75% 12. Type of Reporting Person (See Instructions) IN1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Donald and Paula Smith Family Foundation 22-3732524 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) [X] 3. SEC Use Only ......................................................... 4. Citizenship or Place of Organization United States of America Number of 5. Sole Voting Power 8,942 shares Shares Beneficially 6. Shared Voting Power 0 Owned by Each Reporting 7. Sole Dispositive Power 16,083,112shares Person With 8. Shared Dispositive Power 0 9.Aggregate Amount Beneficially Owned by Each Reporting Person 16,083,112 shares 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11. Percent of Class Represented by Amount in Row (9) 3.75% 12. Type of Reporting Person (See Instructions) OOItem 1. (a) Name of Issuer: Air France-KLM SA (b) Address of Issuer's Principal Executive Offices 2 rue Robert Esnault-Pelterie 75007 Paris France Item 2. (a) Name of Person Filing: Donald Smith & Co.,Inc. (b) Address of Principal Business Office: 152 West 57th Street New York, NY 10019 (c) Citizenship: A Delaware Corporation (d) Title of Class of Securities: Common (e) CUSIP Number: 009119108SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) RULE 13d-1(f)(1) AGREEMENT The undersigned persons, on February 8, 2018, agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of the Common Stock of Air France-KLM SA at December 31, 2017. Donald Smith & Co., Inc. By /s/ Donald G. Smith Donald G.Smith President Duly authorized by and on behalf of Donald Smith & Co.,Inc. Donald Smith Long/Short Equities Fund, L.P. By /s/ Donald G. Smith Donald G.Smith President Duly authorized by and on behalf of Donald Smith Long/Short Equities Fund, L.P Donald G. Smith By /s/ Donald G. Smith Donald G.Smith President Richard L. Greenberg By /s/ Donald G. Smith Donald G.Smith President Duly authorized by and on behalf of Richard L. Greenberg Donald and Paula Smith Family Foundation By /s/ Donald G. Smith Donald G. Smith President Duly authorized by and on behalf of Donald and Paula Smith Family Foundation