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 April 2025

Commission File Number: 001-38904

FLEX LNG Ltd.

(Translation of registrant's name into English)

Par-La-Ville Place

14 Par-La-Ville Road

Hamilton

Bermuda

(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    ☐

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached hereto as Exhibit 99.1 is a press release of FLEX LNG Ltd. (the “Company”), dated March 31, 2025, announcing that the Company’s Annual General Meeting will be held on May 8, 2025.

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.

	FLEX LNG Ltd. (registrant)
Date: April 1, 2025	By:	/s/ Knut Traaholt
		Name: Knut Traaholt
		Title: Chief Financial Officer of Flex LNG Management AS (Principal Financial Officer of FLEX LNG Ltd.)