<SEC-DOCUMENT>0001209191-18-061097.txt : 20181204
<SEC-HEADER>0001209191-18-061097.hdr.sgml : 20181204
<ACCEPTANCE-DATETIME>20181204211637
ACCESSION NUMBER:		0001209191-18-061097
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181204
FILED AS OF DATE:		20181204
DATE AS OF CHANGE:		20181204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONETTO MARC A
		CENTRAL INDEX KEY:			0001244320

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23354
		FILM NUMBER:		181218527

	MAIL ADDRESS:	
		STREET 1:		847 GIBRALTAR DR
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

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>2018-12-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001244320</rptOwnerCik>
            <rptOwnerName>ONETTO MARC A</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>2018-12-04</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.4897</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>76929</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13868</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Price reflects weighted average purchase price; actual purchase prices ranged from $8.465 to $8.50. The Reporting Person undertakes to provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased or sold at each separate price.</footnote>
        <footnote id="F2">Shares held by MARC &amp; SALLY ONETTO TTEES MARC &amp; SALLY ONETTO LIVING TR DTD 6/7/99 of which Reporting Person and his spouse are co-trustees and co-beneficiaries.</footnote>
        <footnote id="F3">Includes 13,868 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>
        <footnote id="F4">Each unvested Restricted Stock Unit represents a contingent right to receive one unrestricted, fully transferable share for each vested Restricted Stock Unit which has not previously forfeited.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marc A. Onetto, by Heather Childress as attorney-in-fact</signatureName>
        <signatureDate>2018-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
