<SEC-DOCUMENT>0001209191-18-047539.txt : 20180817
<SEC-HEADER>0001209191-18-047539.hdr.sgml : 20180817
<ACCEPTANCE-DATETIME>20180817201631
ACCESSION NUMBER:		0001209191-18-047539
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180816
FILED AS OF DATE:		20180817
DATE AS OF CHANGE:		20180817

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CAPELLAS MICHAEL D
		CENTRAL INDEX KEY:			0001068045

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23354
		FILM NUMBER:		181026895

	MAIL ADDRESS:	
		STREET 1:		C/O MCI
		STREET 2:		22001 LOUDOUN COUNTY PARKWAY
		CITY:			AXBURN
		STATE:			VA
		ZIP:			20147

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>2018-08-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001068045</rptOwnerCik>
            <rptOwnerName>CAPELLAS MICHAEL D</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>2018-08-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13868</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>108781</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2018-08-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3748</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>112529</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 16, 2018, the Reporting Person was awarded a total of 13,868 restricted share units (RSUs) 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 2018&quot; beginning on page 26 of the Issuer's Proxy Statement filed with the SEC on July 5, 2018. Each RSU represents a contingent right to receive one unrestricted, fully transferable share for each vested RSU which has not previously forfeited. The award shall vest in full on the date immediately prior to the date of Issuer's 2019 annual general meeting.</footnote>
        <footnote id="F2">On August 16, 2018, the Reporting Person was awarded a total of 3,748 restricted share units (RSUs) pursuant to the terms of the additional annual equity award to the Chairman of the Board under the Issuer's 2017 Equity Incentive Plan as more fully described in the section titled &quot;Non-Management Directors' Compensation for Fiscal Year 2018&quot; beginning on page 26 of the Issuer's Proxy Statement filed with the SEC on July 5, 2018. Each RSU represents a contingent right to receive one unrestricted, fully transferable share for each vested RSU which has not previously forfeited. The award shall vest in full on the date immediately prior to the date of Issuer's 2019 annual general meeting.</footnote>
        <footnote id="F3">Includes 17,616 unvested restricted share units (RSUs) which vest in full on the date immediately prior to the date of Issuer's 2019 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>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Michael D. Capellas, by Timothy Stewart as attorney-in-fact</signatureName>
        <signatureDate>2018-08-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
