<SEC-DOCUMENT>0001209191-19-047036.txt : 20190821
<SEC-HEADER>0001209191-19-047036.hdr.sgml : 20190821
<ACCEPTANCE-DATETIME>20190821174448
ACCESSION NUMBER:		0001209191-19-047036
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190820
FILED AS OF DATE:		20190821
DATE AS OF CHANGE:		20190821

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHIH WILLY C
		CENTRAL INDEX KEY:			0001191547

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23354
		FILM NUMBER:		191043846

	MAIL ADDRESS:	
		STREET 1:		343 STATE STREET
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			146500211

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FLEX LTD.
		CENTRAL INDEX KEY:			0000866374
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			U0
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		2 CHANGI SOUTH LANE
		CITY:			SINGAPORE
		STATE:			U0
		ZIP:			486123
		BUSINESS PHONE:		(65) 6876-9899

	MAIL ADDRESS:	
		STREET 1:		2 CHANGI SOUTH LANE
		CITY:			SINGAPORE
		STATE:			U0
		ZIP:			486123

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLEXTRONICS INTERNATIONAL LTD.
		DATE OF NAME CHANGE:	20060608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLEXTRONICS INTERNATIONAL LTD
		DATE OF NAME CHANGE:	19940318

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLEX HOLDINGS PTE LTD
		DATE OF NAME CHANGE:	19940201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-08-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000866374</issuerCik>
        <issuerName>FLEX LTD.</issuerName>
        <issuerTradingSymbol>FLEX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191547</rptOwnerCik>
            <rptOwnerName>SHIH WILLY C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FLEXTRONICS INTERNATIONAL USA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6201 AMERICA CENTER DRIVE</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-08-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18611</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>212281</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 20, 2019, the Reporting Person was awarded a total of 18,611 restricted share units (&quot;RSUs&quot;) pursuant to the terms of the annual equity award to non-employee directors under the Issuer's 2017 Equity Incentive Plan as more fully described in the section titled &quot;Non-Management Directors' Compensation for Fiscal Year 2019&quot; beginning on page 40 of the Issuer's Proxy Statement filed with the SEC on July 9, 2019. The award shall vest in full on the date immediately prior to the date of Issuer's 2020 annual general meeting.</footnote>
        <footnote id="F2">Includes 18,611 unvested RSUs which vest in full on the date immediately prior to the date of Issuer's 2020 annual general meeting. Each unvested RSU represents a contingent right to receive one unrestricted, fully transferrable share for each vested RSU which has not been previously forfeited.</footnote>
        <footnote id="F3">The shares are held by the Willy C. Shih Revocable Trust.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Willy C. Shih, by Heather Childress as attorney-in-fact</signatureName>
        <signatureDate>2019-08-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
